[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.1rc2-39-gb8c870e

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Thu Dec 5 10:34:26 CST 2013


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http://git.mpich.org/mpich.git/commitdiff/b8c870e7239098c8cc05a80505d2140adbbeff86

commit b8c870e7239098c8cc05a80505d2140adbbeff86
Author: Sameh Sharkawi <sssharka at us.ibm.com>
Date:   Mon Oct 28 19:16:40 2013 -0400

    Fixes for MPI_Alltoall when using non-contig data and collective selection
    
    (ibm) D192063: MPI_Alltoall issue with non-contig datatypes and colsel
    (ibm) 14981425fb8db5ee7aab152ddbb5e92d8a477e1d
    
    Signed-off-by: Michael Blocksome <blocksom at us.ibm.com>

diff --git a/src/mpid/pamid/src/coll/alltoall/mpido_alltoall.c b/src/mpid/pamid/src/coll/alltoall/mpido_alltoall.c
index c3952a7..354fe71 100644
--- a/src/mpid/pamid/src/coll/alltoall/mpido_alltoall.c
+++ b/src/mpid/pamid/src/coll/alltoall/mpido_alltoall.c
@@ -248,7 +248,8 @@ int MPIDO_Alltoall_simple(const void *sendbuf,
    MPIDI_Post_coll_t alltoall_post;
    int sndlen, rcvlen, snd_contig = 1, rcv_contig = 1, pamidt=1;
    int tmp;
-  const int rank = comm_ptr->rank;
+   const int rank = comm_ptr->rank;
+   const int size = comm_ptr->local_size;
 
    const struct MPIDI_Comm* const mpid = &(comm_ptr->mpid);
 
@@ -278,15 +279,15 @@ int MPIDO_Alltoall_simple(const void *sendbuf,
     send_size = sndlen * sendcount;
     if(!snd_contig)
     {
-      snd_noncontig_buff = MPIU_Malloc(send_size);
+      snd_noncontig_buff = MPIU_Malloc(send_size*size);
       sbuf = snd_noncontig_buff;
       if(snd_noncontig_buff == NULL)
       {
         MPID_Abort(NULL, MPI_ERR_NO_SPACE, 1,
                    "Fatal:  Cannot allocate pack buffer");
       }
-      DLOOP_Offset last = send_size;
-      MPID_Segment_init(sendbuf, sendcount, sendtype, &segment, 0);
+      DLOOP_Offset last = send_size*size;
+      MPID_Segment_init(sendbuf, sendcount*size, sendtype, &segment, 0);
       MPID_Segment_pack(&segment, 0, &last, snd_noncontig_buff);
 
     }
@@ -294,7 +295,7 @@ int MPIDO_Alltoall_simple(const void *sendbuf,
 
   if(!rcv_contig)
   {
-    rcv_noncontig_buff = MPIU_Malloc(recv_size);
+    rcv_noncontig_buff = MPIU_Malloc(recv_size*size);
     rbuf = rcv_noncontig_buff;
     if(rcv_noncontig_buff == NULL)
     {
@@ -345,8 +346,8 @@ int MPIDO_Alltoall_simple(const void *sendbuf,
 
    if(!rcv_contig)
    {
-      MPIR_Localcopy(rcv_noncontig_buff, recv_size, MPI_CHAR,
-                        recvbuf,         recvcount,     recvtype);
+      MPIR_Localcopy(rcv_noncontig_buff, recv_size*size, MPI_CHAR,
+                        recvbuf,         recvcount*size,     recvtype);
       MPIU_Free(rcv_noncontig_buff);
    }
    if(!snd_contig)  MPIU_Free(snd_noncontig_buff);

http://git.mpich.org/mpich.git/commitdiff/c7c7d608af8202314ad7296fb48bb344cea25d20

commit c7c7d608af8202314ad7296fb48bb344cea25d20
Author: Sameh Sharkawi <sssharka at us.ibm.com>
Date:   Tue Aug 20 15:51:28 2013 -0400

    Fixes for Collective Selection enablement
    
    (ibm) Disabling PAMI if Collective selection can't be enabled
    (ibm) 19a99aa5b81cb5a99a0284830a7caa2bd9f0c923
    
    Signed-off-by: Michael Blocksome <blocksom at us.ibm.com>

diff --git a/src/mpid/pamid/src/mpid_init.c b/src/mpid/pamid/src/mpid_init.c
index 9e47625..445b33d 100644
--- a/src/mpid/pamid/src/mpid_init.c
+++ b/src/mpid/pamid/src/mpid_init.c
@@ -554,6 +554,10 @@ void MPIDI_Init_collsel_extension()
   }
   else
     MPIDI_Process.optimized.auto_select_colls = MPID_AUTO_SELECT_COLLS_NONE;
+
+  //If collective selection will be disabled, check on fca, if both not required, disable pami alltogether
+  if(MPIDI_Process.optimized.auto_select_colls == MPID_AUTO_SELECT_COLLS_NONE && MPIDI_Process.optimized.collectives != MPID_COLL_FCA)
+    MPIDI_Process.optimized.collectives = MPID_COLL_OFF;
 }
 
 void MPIDI_Collsel_table_generate()
diff --git a/src/mpid/pamid/src/mpidi_env.c b/src/mpid/pamid/src/mpidi_env.c
index 91fb6a4..873e926 100644
--- a/src/mpid/pamid/src/mpidi_env.c
+++ b/src/mpid/pamid/src/mpidi_env.c
@@ -867,7 +867,7 @@ MPIDI_Env_setup(int rank, int requested)
       if(env != NULL)
       {
          if(strncasecmp(env, "N", 1) == 1)
-            MPIDI_Process.optimized.collectives = 0;
+            MPIDI_Process.optimized.collectives = MPID_COLL_OFF;
       }
    }
 
@@ -894,13 +894,15 @@ MPIDI_Env_setup(int rank, int requested)
              if(strncasecmp(env, "TUN", 3) == 0)
              {
                MPIDI_Process.optimized.auto_select_colls = MPID_AUTO_SELECT_COLLS_TUNE;
-               MPIDI_Process.optimized.collectives       = 1;
+               if(MPIDI_Process.optimized.collectives   != MPID_COLL_FCA)
+                 MPIDI_Process.optimized.collectives     = MPID_COLL_ON;
              }
              else if(strncasecmp(env, "YES", 3) == 0)
              {
                MPIDI_Process.optimized.auto_select_colls = MPID_AUTO_SELECT_COLLS_ALL; /* All collectives will be using auto coll sel.
                                                                                     We will check later on each individual coll. */
-               MPIDI_Process.optimized.collectives       = 1;
+               if(MPIDI_Process.optimized.collectives   != MPID_COLL_FCA)
+                 MPIDI_Process.optimized.collectives     = MPID_COLL_ON;
              }
              else
                MPIDI_Process.optimized.auto_select_colls = MPID_AUTO_SELECT_COLLS_NONE;

http://git.mpich.org/mpich.git/commitdiff/8680bcf68ead36ef311d02eef002189e5f84bf4c

commit 8680bcf68ead36ef311d02eef002189e5f84bf4c
Author: Sameh Sharkawi <sssharka at us.ibm.com>
Date:   Thu Apr 11 17:38:02 2013 -0400

    Task flooding causes poor MPI_Reduce performance
    
    (ibm) D189408
    (ibm) b58293f8c851895ac7d3c8f3220dee196b6ad075
    
    Signed-off-by: Michael Blocksome <blocksom at us.ibm.com>

diff --git a/src/mpid/pamid/include/mpidi_datatypes.h b/src/mpid/pamid/include/mpidi_datatypes.h
index 053f98c..8dcd0b7 100644
--- a/src/mpid/pamid/include/mpidi_datatypes.h
+++ b/src/mpid/pamid/include/mpidi_datatypes.h
@@ -101,6 +101,9 @@ typedef struct
   MPIDI_RequestHandle_t request_handles[MPIDI_MAX_THREADS];
 #endif
 
+#if QUEUE_BINARY_SEARCH_SUPPORT
+  unsigned queue_binary_search_support_on;
+#endif
   unsigned verbose;        /**< The current level of verbosity for end-of-job stats. */
   unsigned statistics;     /**< The current level of stats collection.               */
   unsigned rma_pending;    /**< The max num outstanding requests during an RMA op    */
diff --git a/src/mpid/pamid/include/mpidi_platform.h b/src/mpid/pamid/include/mpidi_platform.h
index 42c2cd8..4a280aa 100644
--- a/src/mpid/pamid/include/mpidi_platform.h
+++ b/src/mpid/pamid/include/mpidi_platform.h
@@ -42,6 +42,7 @@
 #undef  OUT_OF_ORDER_HANDLING
 #undef  DYNAMIC_TASKING
 #undef  RDMA_FAILOVER
+#undef  QUEUE_BINARY_SEARCH_SUPPORT
 
 #define ASYNC_PROGRESS_MODE_DEFAULT 0
 
@@ -137,6 +138,7 @@ static const char _ibm_release_version_[] = "V1R2M0";
 #define MPIDI_NO_ASSERT       1
 #define TOKEN_FLOW_CONTROL    1
 #define DYNAMIC_TASKING       1
+#define QUEUE_BINARY_SEARCH_SUPPORT 1
 
 /* Allow MPICH to detect local tasks */
 #define MPID_USE_NODE_IDS 1
diff --git a/src/mpid/pamid/src/Makefile.mk b/src/mpid/pamid/src/Makefile.mk
index 065b33a..8f03768 100644
--- a/src/mpid/pamid/src/Makefile.mk
+++ b/src/mpid/pamid/src/Makefile.mk
@@ -58,7 +58,8 @@ lib_lib at MPILIBNAME@_la_SOURCES +=               \
     src/mpid/pamid/src/mpid_mprobe.c            \
     src/mpid/pamid/src/mpid_imrecv.c            \
     src/mpid/pamid/src/mpid_improbe.c           \
-    src/mpid/pamid/src/mpidi_nbc_sched.c
+    src/mpid/pamid/src/mpidi_nbc_sched.c        \
+    src/mpid/pamid/src/mpid_recvq_mmap.cpp
 
 endif BUILD_PAMID
 
diff --git a/src/mpid/pamid/src/mpid_init.c b/src/mpid/pamid/src/mpid_init.c
index 2db821d..9e47625 100644
--- a/src/mpid/pamid/src/mpid_init.c
+++ b/src/mpid/pamid/src/mpid_init.c
@@ -114,7 +114,9 @@ MPIDI_Process_t  MPIDI_Process = {
   .mp_statistics         = 0,
   .mp_printenv           = 0,
 #endif
-
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+  .queue_binary_search_support_on = 0,
+#endif
   .rma_pending           = 1000,
   .shmem_pt2pt           = 1,
   .smp_detect            = MPIDI_SMP_DETECT_DEFAULT,
@@ -903,6 +905,9 @@ MPIDI_PAMI_init(int* rank, int* size, int* threading)
              "  mp_printenv  : %u\n"
              "  mp_interrupts: %u\n"
 #endif
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+             "  queue_binary_search_support_on : %u\n"
+#endif
              "  optimized.collectives : %u\n"
              "  optimized.select_colls: %u\n"
              "  optimized.subcomms    : %u\n"
@@ -937,6 +942,9 @@ MPIDI_PAMI_init(int* rank, int* size, int* threading)
              MPIDI_Process.mp_printenv,
              (MPIDI_Process.async_progress.mode != ASYNC_PROGRESS_MODE_DISABLED),
 #endif
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+             MPIDI_Process.queue_binary_search_support_on,
+#endif
              MPIDI_Process.optimized.collectives,
              MPIDI_Process.optimized.select_colls,
              MPIDI_Process.optimized.subcomms,
diff --git a/src/mpid/pamid/src/mpid_recvq.c b/src/mpid/pamid/src/mpid_recvq.c
index 3cd9cae..7bbb213 100644
--- a/src/mpid/pamid/src/mpid_recvq.c
+++ b/src/mpid/pamid/src/mpid_recvq.c
@@ -55,6 +55,10 @@ MPIDI_Recvq_init()
   MPIDI_Recvq.posted_tail = NULL;
   MPIDI_Recvq.unexpected_head = NULL;
   MPIDI_Recvq.unexpected_tail = NULL;
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+  if(MPIDI_Process.queue_binary_search_support_on)
+    MPIDI_Recvq_init_queues();
+#endif
 }
 
 
@@ -80,6 +84,7 @@ MPIDI_Recvq_FU(int source, int tag, int context_id, MPI_Status * status)
 {
   MPID_Request * rreq;
   int found = FALSE;
+  void * it;
 #ifdef USE_STATISTICS
   unsigned search_length = 0;
 #endif
@@ -91,39 +96,88 @@ MPIDI_Recvq_FU(int source, int tag, int context_id, MPI_Status * status)
 
   if (tag != MPI_ANY_TAG && source != MPI_ANY_SOURCE)
     {
-      rreq = MPIDI_Recvq.unexpected_head;
-      while (rreq != NULL) {
-#ifdef USE_STATISTICS
-        ++search_length;
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+      if(MPIDI_Process.queue_binary_search_support_on)
+      {
+#ifndef OUT_OF_ORDER_HANDLING
+        MPIDI_Recvq_find_in_uexp(source, tag, context_id, &rreq, &it);
+#else
+        MPIDI_Recvq_find_in_uexp(source, tag, context_id, -1, &rreq, &it);
 #endif
-        if ( (MPIDI_Request_getMatchCtxt(rreq) == context_id) &&
-             (MPIDI_Request_getMatchRank(rreq) == source    ) &&
-             (MPIDI_Request_getMatchTag(rreq)  == tag       )
-             )
-          {
+        if (rreq != NULL) {
   #ifdef OUT_OF_ORDER_HANDLING
-            pami_source= MPIDI_Request_getPeerRank_pami(rreq);
-            in_cntr=&MPIDI_In_cntr[pami_source];
-            nMsgs = in_cntr->nMsgs + 1;
-            if( ((int)(nMsgs-MPIDI_Request_getMatchSeq(rreq))) >= 0 )
-            {
-              if (rreq->mpid.nextR != NULL) {  /* recv is in the out of order list */
-                 if (MPIDI_Request_getMatchSeq(rreq) == nMsgs) {
-                     in_cntr->nMsgs=nMsgs;
-                     MPIDI_Recvq_remove_req_from_ool(rreq,in_cntr);
-                 } 
-              } 
+          pami_source= MPIDI_Request_getPeerRank_pami(rreq);
+          in_cntr=&MPIDI_In_cntr[pami_source];
+          nMsgs = in_cntr->nMsgs + 1;
+          if( ((int)(nMsgs-MPIDI_Request_getMatchSeq(rreq))) >= 0 )
+          {
+            if (rreq->mpid.nextR != NULL) {  /* recv is in the out of order list */
+               if (MPIDI_Request_getMatchSeq(rreq) == nMsgs) {
+                   in_cntr->nMsgs=nMsgs;
+                   MPIDI_Recvq_remove_req_from_ool(rreq,in_cntr);
+               } 
+            } 
   #endif
             found = TRUE;
             if(status != MPI_STATUS_IGNORE)
               *status = (rreq->status);
-            break;
 #ifdef OUT_OF_ORDER_HANDLING
-             }
+          }
+          else
+          {
+            MPIDI_Recvq_find_in_uexp(source, tag, context_id, nMsgs, &rreq, &it);
+            if (rreq != NULL) {
+              if (rreq->mpid.nextR != NULL) {  /* recv is in the out of order list */
+                in_cntr->nMsgs=nMsgs;
+                MPIDI_Recvq_remove_req_from_ool(rreq,in_cntr);
+              }
+              found = TRUE;
+              if(status != MPI_STATUS_IGNORE)
+                *status = (rreq->status);
+            }
+          }
+#endif /* OUT_OF_ORDER_HANDLING */
+        }
+      }
+      else
+      {
+#endif /* QUEUE_BINARY_SEARCH_SUPPORT */
+        rreq = MPIDI_Recvq.unexpected_head;
+        while (rreq != NULL) {
+#ifdef USE_STATISTICS
+          ++search_length;
 #endif
-       }
-        rreq = rreq->mpid.next;
+          if ( (MPIDI_Request_getMatchCtxt(rreq) == context_id) &&
+               (MPIDI_Request_getMatchRank(rreq) == source    ) &&
+               (MPIDI_Request_getMatchTag(rreq)  == tag       )
+               )
+            {
+  #ifdef OUT_OF_ORDER_HANDLING
+              pami_source= MPIDI_Request_getPeerRank_pami(rreq);
+              in_cntr=&MPIDI_In_cntr[pami_source];
+              nMsgs = in_cntr->nMsgs + 1;
+              if( ((int)(nMsgs-MPIDI_Request_getMatchSeq(rreq))) >= 0 )
+              {
+                if (rreq->mpid.nextR != NULL) {  /* recv is in the out of order list */
+                   if (MPIDI_Request_getMatchSeq(rreq) == nMsgs) {
+                       in_cntr->nMsgs=nMsgs;
+                       MPIDI_Recvq_remove_req_from_ool(rreq,in_cntr);
+                   } 
+                } 
+  #endif
+              found = TRUE;
+              if(status != MPI_STATUS_IGNORE)
+                *status = (rreq->status);
+              break;
+#ifdef OUT_OF_ORDER_HANDLING
+               }
+#endif
+          }
+          rreq = rreq->mpid.next;
+        }
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
       }
+#endif /* QUEUE_BINARY_SEARCH_SUPPORT */
     }
   else
     {
@@ -152,26 +206,24 @@ MPIDI_Recvq_FU(int source, int tag, int context_id, MPI_Status * status)
           match.rank = source;
           mask.rank = ~0;
         }
-
-      rreq = MPIDI_Recvq.unexpected_head;
-      while (rreq != NULL) {
-#ifdef USE_STATISTICS
-        ++search_length;
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+      if(MPIDI_Process.queue_binary_search_support_on)
+      {
+#ifndef OUT_OF_ORDER_HANDLING
+        MPIDI_Recvq_find_in_uexp(source, tag, match.context_id, &rreq, &it);
+#else
+        MPIDI_Recvq_find_in_uexp(source, tag, match.context_id, -1, &rreq, &it);
 #endif
-        if ( (  MPIDI_Request_getMatchCtxt(rreq)              == match.context_id) &&
-             ( (MPIDI_Request_getMatchRank(rreq) & mask.rank) == match.rank      ) &&
-             ( (MPIDI_Request_getMatchTag(rreq)  & mask.tag ) == match.tag       )
-             )
-          {
+        if (rreq != NULL) {
 #ifdef OUT_OF_ORDER_HANDLING
-            pami_source= MPIDI_Request_getPeerRank_pami(rreq);
-            in_cntr=&MPIDI_In_cntr[pami_source];
-            nMsgs = in_cntr->nMsgs + 1;
-            if(( ( (int)(nMsgs-MPIDI_Request_getMatchSeq(rreq))) >= 0) || (source == MPI_ANY_SOURCE)) {
-               if(source == MPI_ANY_SOURCE) {
-                 if((int) (nMsgs-MPIDI_Request_getMatchSeq(rreq)) < 0 )
-                    goto NEXT_MSG;
-               }
+          pami_source= MPIDI_Request_getPeerRank_pami(rreq);
+          in_cntr=&MPIDI_In_cntr[pami_source];
+          nMsgs = in_cntr->nMsgs + 1;
+          if(( ( (int)(nMsgs-MPIDI_Request_getMatchSeq(rreq))) >= 0) || (source == MPI_ANY_SOURCE)) {
+            if(source == MPI_ANY_SOURCE) {
+              if((int) (nMsgs-MPIDI_Request_getMatchSeq(rreq)) < 0 )
+                goto NEXT_MSG2;
+            }
             if (rreq->mpid.nextR != NULL)  { /* recv is in the out of order list */
               if (MPIDI_Request_getMatchSeq(rreq) == nMsgs)
                 in_cntr->nMsgs=nMsgs;
@@ -181,15 +233,66 @@ MPIDI_Recvq_FU(int source, int tag, int context_id, MPI_Status * status)
             found = TRUE;
             if(status != MPI_STATUS_IGNORE) 
               *status = (rreq->status);
-            break;
 #ifdef OUT_OF_ORDER_HANDLING
-           }
-#endif
-
+          }
+          else
+          {
+     NEXT_MSG2: MPIDI_Recvq_find_in_uexp(source, tag, match.context_id, nMsgs, &rreq, &it);
+             if (rreq != NULL) {
+               if (rreq->mpid.nextR != NULL) {  /* recv is in the out of order list */
+                 in_cntr->nMsgs=nMsgs;
+                 MPIDI_Recvq_remove_req_from_ool(rreq,in_cntr);
+               }
+               found = TRUE;
+               if(status != MPI_STATUS_IGNORE)
+                 *status = (rreq->status);
+             }
+          }
+#endif /* OUT_OF_ORDER_HANDLING */
         }
+      }
+      else
+      {
+#endif /* QUEUE_BINARY_SEARCH_SUPPORT */
+        rreq = MPIDI_Recvq.unexpected_head;
+        while (rreq != NULL) {
+#ifdef USE_STATISTICS
+          ++search_length;
+#endif
+          if ( (  MPIDI_Request_getMatchCtxt(rreq)              == match.context_id) &&
+               ( (MPIDI_Request_getMatchRank(rreq) & mask.rank) == match.rank      ) &&
+               ( (MPIDI_Request_getMatchTag(rreq)  & mask.tag ) == match.tag       )
+               )
+            {
+#ifdef OUT_OF_ORDER_HANDLING
+              pami_source= MPIDI_Request_getPeerRank_pami(rreq);
+              in_cntr=&MPIDI_In_cntr[pami_source];
+              nMsgs = in_cntr->nMsgs + 1;
+              if(( ( (int)(nMsgs-MPIDI_Request_getMatchSeq(rreq))) >= 0) || (source == MPI_ANY_SOURCE)) {
+                 if(source == MPI_ANY_SOURCE) {
+                   if((int) (nMsgs-MPIDI_Request_getMatchSeq(rreq)) < 0 )
+                      goto NEXT_MSG;
+                 }
+              if (rreq->mpid.nextR != NULL)  { /* recv is in the out of order list */
+                if (MPIDI_Request_getMatchSeq(rreq) == nMsgs)
+                  in_cntr->nMsgs=nMsgs;
+                MPIDI_Recvq_remove_req_from_ool(rreq,in_cntr);
+              }
+#endif
+              found = TRUE;
+              if(status != MPI_STATUS_IGNORE) 
+                *status = (rreq->status);
+              break;
+#ifdef OUT_OF_ORDER_HANDLING
+             }
+#endif
+          }
      NEXT_MSG:
-        rreq = rreq->mpid.next;
+          rreq = rreq->mpid.next;
+        }
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
       }
+#endif
     }
 
 #ifdef USE_STATISTICS
@@ -215,6 +318,7 @@ MPIDI_Recvq_FDUR(MPI_Request req, int source, int tag, int context_id)
   MPID_Request * cur_rreq           = NULL; /* current request in queue */
   MPID_Request * matching_cur_rreq  = NULL; /* matching request in queue */
   MPID_Request * matching_prev_rreq = NULL; /* previous in queue to match */
+  void         * it                 = NULL;
 #ifdef USE_STATISTICS
   unsigned search_length = 0;
 #endif
@@ -222,31 +326,64 @@ MPIDI_Recvq_FDUR(MPI_Request req, int source, int tag, int context_id)
   /* ----------------------- */
   /* first we do the finding */
   /* ----------------------- */
-  cur_rreq = MPIDI_Recvq.unexpected_head;
-  while (cur_rreq != NULL) {
-#ifdef USE_STATISTICS
-    ++search_length;
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+  if(MPIDI_Process.queue_binary_search_support_on)
+  {
+#ifndef OUT_OF_ORDER_HANDLING
+    MPIDI_Recvq_find_in_uexp(source, tag, context_id, &cur_rreq, &it);
+#else
+    /* Passing -1 for seqno because I don't care about it here */
+    MPIDI_Recvq_find_in_uexp(source, tag, context_id, -1, &cur_rreq, &it);
 #endif
-    if (MPIDI_Request_getPeerRequestH(cur_rreq) == req        &&
-        MPIDI_Request_getMatchCtxt(cur_rreq)    == context_id &&
-        MPIDI_Request_getMatchRank(cur_rreq)    == source     &&
-        MPIDI_Request_getMatchTag(cur_rreq)     == tag)
+    if (cur_rreq != NULL) {
+      if (MPIDI_Request_getPeerRequestH(cur_rreq) == req) 
       {
         matching_prev_rreq = prev_rreq;
         matching_cur_rreq  = cur_rreq;
-        break;
       }
-    prev_rreq = cur_rreq;
-    cur_rreq  = cur_rreq->mpid.next;
+    }
   }
+  else
+  {
+#endif
+    cur_rreq = MPIDI_Recvq.unexpected_head;
+    while (cur_rreq != NULL) {
+#ifdef USE_STATISTICS
+      ++search_length;
+#endif
+      if (MPIDI_Request_getPeerRequestH(cur_rreq) == req        &&
+          MPIDI_Request_getMatchCtxt(cur_rreq)    == context_id &&
+          MPIDI_Request_getMatchRank(cur_rreq)    == source     &&
+          MPIDI_Request_getMatchTag(cur_rreq)     == tag)
+        {
+          matching_prev_rreq = prev_rreq;
+          matching_cur_rreq  = cur_rreq;
+          break;
+        }
+      prev_rreq = cur_rreq;
+      cur_rreq  = cur_rreq->mpid.next;
+    }
+#ifdef  QUEUE_BINARY_SEARCH_SUPPORT
+  }
+#endif
 
   /* ----------------------- */
   /* found nothing; return   */
   /* ----------------------- */
   if (matching_cur_rreq == NULL)
     goto fn_exit;
-
-  MPIDI_Recvq_remove(MPIDI_Recvq.unexpected, matching_cur_rreq, matching_prev_rreq);
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+  if(MPIDI_Process.queue_binary_search_support_on)
+  {
+#ifndef OUT_OF_ORDER_HANDLING
+    MPIDI_Recvq_remove_uexp(source, tag, context_id, it);
+#else
+    MPIDI_Recvq_remove_uexp(source, tag, context_id, MPIDI_Request_getMatchSeq(cur_rreq),it);
+#endif
+  }
+  else
+#endif
+    MPIDI_Recvq_remove(MPIDI_Recvq.unexpected, matching_cur_rreq, matching_prev_rreq);
 
  fn_exit:
 #ifdef USE_STATISTICS
@@ -276,6 +413,7 @@ MPIDI_Recvq_FDU(int source, pami_task_t pami_source, int tag, int context_id, in
   int found = FALSE;
   MPID_Request * rreq = NULL;
   MPID_Request * prev_rreq;
+  void         * it;
 #ifdef USE_STATISTICS
   unsigned search_length = 0;
 #endif
@@ -292,27 +430,56 @@ MPIDI_Recvq_FDU(int source, pami_task_t pami_source, int tag, int context_id, in
   //This function is typically called when there are unexp recvs
   if (tag != MPI_ANY_TAG && source != MPI_ANY_SOURCE)
     {
-      prev_rreq = NULL;
-      rreq = MPIDI_Recvq.unexpected_head;
-      while (rreq != NULL) {
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+      if(MPIDI_Process.queue_binary_search_support_on)
+      {
+#ifdef OUT_OF_ORDER_HANDLING
+        MPIDI_Recvq_find_in_uexp(source, tag, context_id, nMsgs, &rreq, &it);
+#else
+        MPIDI_Recvq_find_in_uexp(source, tag, context_id, &rreq, &it);
+#endif
+        if (rreq != NULL) {
+#ifdef OUT_OF_ORDER_HANDLING
+          if(rreq->mpid.nextR != NULL) {       /* recv is in the out of order list */
+            if (MPIDI_Request_getMatchSeq(rreq) == nMsgs) {
+              in_cntr->nMsgs=nMsgs;
+            }
+            MPIDI_Recvq_remove_req_from_ool(rreq,in_cntr);
+          }
+          MPIDI_Recvq_remove_uexp(source, tag, context_id, MPIDI_Request_getMatchSeq(rreq),it);
+#else
+          MPIDI_Recvq_remove_uexp(source, tag, context_id, it);
+#endif
+          found = TRUE;
+#ifdef MPIDI_TRACE
+          MPIDI_Trace_buf[(rreq->mpid.partner_id)].R[(rreq->mpid.idx)].matchedInUQ2=1;
+#endif
+        }
+      }
+      else
+      {
+#endif
+        prev_rreq = NULL;
+        rreq = MPIDI_Recvq.unexpected_head;
+        while (rreq != NULL) {
 #ifdef USE_STATISTICS
-        ++search_length;
+          ++search_length;
 #endif
 #ifdef OUT_OF_ORDER_HANDLING
-        if( ((int)(nMsgs-MPIDI_Request_getMatchSeq(rreq))) >= 0 ) {
+          if( ((int)(nMsgs-MPIDI_Request_getMatchSeq(rreq))) >= 0 ) {
 #endif
-        if ( (MPIDI_Request_getMatchCtxt(rreq) == context_id) &&
-             (MPIDI_Request_getMatchRank(rreq) == source    ) &&
-             (MPIDI_Request_getMatchTag(rreq)  == tag       )
-             )
-          {
+            if ( (MPIDI_Request_getMatchCtxt(rreq) == context_id) &&
+                 (MPIDI_Request_getMatchRank(rreq) == source    ) &&
+                 (MPIDI_Request_getMatchTag(rreq)  == tag       )
+               )
+            {
 #ifdef OUT_OF_ORDER_HANDLING
-            if(rreq->mpid.nextR != NULL) {       /* recv is in the out of order list */
-              if (MPIDI_Request_getMatchSeq(rreq) == nMsgs) {
-                in_cntr->nMsgs=nMsgs;
+              if(rreq->mpid.nextR != NULL) {       /* recv is in the out of order list */
+                if (MPIDI_Request_getMatchSeq(rreq) == nMsgs) {
+                  in_cntr->nMsgs=nMsgs;
+                }
+                MPIDI_Recvq_remove_req_from_ool(rreq,in_cntr);
               }
-              MPIDI_Recvq_remove_req_from_ool(rreq,in_cntr);
-            }
 #endif
             MPIDI_Recvq_remove(MPIDI_Recvq.unexpected, rreq, prev_rreq);
             found = TRUE;
@@ -320,12 +487,15 @@ MPIDI_Recvq_FDU(int source, pami_task_t pami_source, int tag, int context_id, in
             goto fn_exit;
           }
 #ifdef OUT_OF_ORDER_HANDLING
-       }
+          }
 #endif
 
-        prev_rreq = rreq;
-        rreq = rreq->mpid.next;
+          prev_rreq = rreq;
+          rreq = rreq->mpid.next;
+        }
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
       }
+#endif
     }
   else
     {
@@ -355,44 +525,94 @@ MPIDI_Recvq_FDU(int source, pami_task_t pami_source, int tag, int context_id, in
           mask.rank = ~0;
         }
 
-      prev_rreq = NULL;
-      rreq = MPIDI_Recvq.unexpected_head;
-      while (rreq != NULL) {
-#ifdef USE_STATISTICS
-        ++search_length;
-#endif
-#ifdef OUT_OF_ORDER_HANDLING
-        if(( ( (int)(nMsgs-MPIDI_Request_getMatchSeq(rreq))) >= 0) || (source == MPI_ANY_SOURCE)) {
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+      if(MPIDI_Process.queue_binary_search_support_on)
+      {
+#ifndef OUT_OF_ORDER_HANDLING
+        MPIDI_Recvq_find_in_uexp(source, tag, match.context_id, &rreq, &it);
+#else
+        MPIDI_Recvq_find_in_uexp(source, tag, match.context_id, -1, &rreq, &it);
 #endif
-        if ( (  MPIDI_Request_getMatchCtxt(rreq)              == match.context_id) &&
-             ( (MPIDI_Request_getMatchRank(rreq) & mask.rank) == match.rank      ) &&
-             ( (MPIDI_Request_getMatchTag(rreq)  & mask.tag ) == match.tag       )
-             )
-          {
+        if (rreq != NULL) {
 #ifdef OUT_OF_ORDER_HANDLING
+          if(( ( (int)(nMsgs-MPIDI_Request_getMatchSeq(rreq))) >= 0) || (source == MPI_ANY_SOURCE)) {
             if(source == MPI_ANY_SOURCE) {
               in_cntr = &MPIDI_In_cntr[MPIDI_Request_getPeerRank_pami(rreq)];
               nMsgs = in_cntr->nMsgs+1;
               if((int) (nMsgs-MPIDI_Request_getMatchSeq(rreq)) < 0 )
-                 goto NEXT_MSG;
+                 goto NEXT_MSG2;
             }
             if (rreq->mpid.nextR != NULL)  { /* recv is in the out of order list */
               if (MPIDI_Request_getMatchSeq(rreq) == nMsgs)
                 in_cntr->nMsgs=nMsgs;
               MPIDI_Recvq_remove_req_from_ool(rreq,in_cntr);
             }
-#endif
-            MPIDI_Recvq_remove(MPIDI_Recvq.unexpected, rreq, prev_rreq);
+            MPIDI_Recvq_remove_uexp(MPIDI_Request_getMatchRank(rreq), MPIDI_Request_getMatchTag(rreq), match.context_id, MPIDI_Request_getMatchSeq(rreq),it);
+#else /* OUT_OF_ORDER_HANDLING */
+            MPIDI_Recvq_remove_uexp(MPIDI_Request_getMatchRank(rreq), MPIDI_Request_getMatchTag(rreq), match.context_id, it);
+#endif/* OUT_OF_ORDER_HANDLING */
             found = TRUE;
             goto fn_exit;
-          }
 #ifdef OUT_OF_ORDER_HANDLING
+          }
+     NEXT_MSG2:
+          MPIDI_Recvq_find_in_uexp(source, tag, match.context_id, nMsgs, &rreq, &it);
+          if (rreq != NULL) {
+            if (rreq->mpid.nextR != NULL)  { /* recv is in the out of order list */
+              if (MPIDI_Request_getMatchSeq(rreq) == nMsgs)
+                in_cntr->nMsgs=nMsgs;
+              MPIDI_Recvq_remove_req_from_ool(rreq,in_cntr);
+            }
+            MPIDI_Recvq_remove_uexp(MPIDI_Request_getMatchRank(rreq), MPIDI_Request_getMatchTag(rreq), match.context_id, MPIDI_Request_getMatchSeq(rreq),it);
+          }
+#endif /* OUT_OF_ORDER_HANDLING */
+
         }
-     NEXT_MSG:
+      }
+      else
+      {
 #endif
-        prev_rreq = rreq;
-        rreq = rreq->mpid.next;
+        prev_rreq = NULL;
+        rreq = MPIDI_Recvq.unexpected_head;
+        while (rreq != NULL) {
+#ifdef USE_STATISTICS
+          ++search_length;
+#endif
+#ifdef OUT_OF_ORDER_HANDLING
+          if(( ( (int)(nMsgs-MPIDI_Request_getMatchSeq(rreq))) >= 0) || (source == MPI_ANY_SOURCE)) {
+#endif
+            if ( (  MPIDI_Request_getMatchCtxt(rreq)              == match.context_id) &&
+                 ( (MPIDI_Request_getMatchRank(rreq) & mask.rank) == match.rank      ) &&
+                 ( (MPIDI_Request_getMatchTag(rreq)  & mask.tag ) == match.tag       )
+                 )
+            {
+#ifdef OUT_OF_ORDER_HANDLING
+              if(source == MPI_ANY_SOURCE) {
+                in_cntr = &MPIDI_In_cntr[MPIDI_Request_getPeerRank_pami(rreq)];
+                nMsgs = in_cntr->nMsgs+1;
+                if((int) (nMsgs-MPIDI_Request_getMatchSeq(rreq)) < 0 )
+                   goto NEXT_MSG;
+              }
+              if (rreq->mpid.nextR != NULL)  { /* recv is in the out of order list */
+                if (MPIDI_Request_getMatchSeq(rreq) == nMsgs)
+                  in_cntr->nMsgs=nMsgs;
+                MPIDI_Recvq_remove_req_from_ool(rreq,in_cntr);
+              }
+#endif
+              MPIDI_Recvq_remove(MPIDI_Recvq.unexpected, rreq, prev_rreq);
+              found = TRUE;
+              goto fn_exit;
+            }
+#ifdef OUT_OF_ORDER_HANDLING
+          }
+       NEXT_MSG:
+#endif
+          prev_rreq = rreq;
+          rreq = rreq->mpid.next;
+        }
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
       }
+#endif
     }
 
  fn_exit:
@@ -416,27 +636,45 @@ MPIDI_Recvq_FDPR(MPID_Request * req)
   MPID_Request * cur_rreq  = NULL;
   MPID_Request * prev_rreq = NULL;
   int found = FALSE;
+  void * it;
 #ifdef USE_STATISTICS
   unsigned search_length = 0;
 #endif
 
-  cur_rreq = MPIDI_Recvq.posted_head;
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+  if(MPIDI_Process.queue_binary_search_support_on)
+  {
+    MPIDI_Recvq_find_in_post(MPIDI_Request_getMatchRank(req), MPIDI_Request_getMatchTag(req), MPIDI_Request_getMatchCtxt(req), &cur_rreq, &it);
+    if (cur_rreq != NULL) {
+      if (cur_rreq == req)
+      {
+        MPIDI_Recvq_remove_post(MPIDI_Request_getMatchRank(req), MPIDI_Request_getMatchTag(req), MPIDI_Request_getMatchCtxt(req),it);
+        found = TRUE;
+      }
+    }
+  }
+  else
+  {
+#endif /* QUEUE_BINARY_SEARCH_SUPPORT */
+    cur_rreq = MPIDI_Recvq.posted_head;
 
-  while (cur_rreq != NULL) {
+    while (cur_rreq != NULL) {
 #ifdef USE_STATISTICS
-    ++search_length;
+      ++search_length;
 #endif
-    if (cur_rreq == req)
+      if (cur_rreq == req)
       {
         MPIDI_Recvq_remove(MPIDI_Recvq.posted, cur_rreq, prev_rreq);
         found = TRUE;
         break;
       }
 
-    prev_rreq = cur_rreq;
-    cur_rreq = cur_rreq->mpid.next;
+      prev_rreq = cur_rreq;
+      cur_rreq = cur_rreq->mpid.next;
+    }
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
   }
-
+#endif
 #ifdef USE_STATISTICS
   MPIDI_Statistics_time(MPIDI_Statistics.recvq.posted_search, search_length);
 #endif
@@ -511,8 +749,13 @@ MPIDI_Recvq_AEU(MPID_Request *newreq, int source, pami_task_t pami_source, int t
   TRACE_SET_REQ_VAL(rreq->mpid.envelope.data,(void *) 0);
 #ifndef OUT_OF_ORDER_HANDLING
   MPIDI_Request_setMatch(rreq, tag, source, context_id);
-  MPIDI_Recvq_append(MPIDI_Recvq.unexpected, rreq);
-#else
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+  if(MPIDI_Process.queue_binary_search_support_on)
+    MPIDI_Recvq_insert_uexp((void*)rreq, source, tag, context_id);
+  else
+#endif
+    MPIDI_Recvq_append(MPIDI_Recvq.unexpected, rreq);
+#else /* OUT_OF_ORDER_HANDLING */
   MPID_Request *q;
   MPIDI_In_cntr_t *in_cntr;
   int insert, i;
@@ -522,26 +765,33 @@ MPIDI_Recvq_AEU(MPID_Request *newreq, int source, pami_task_t pami_source, int t
   MPIDI_Request_setPeerRank_pami(rreq, pami_source);
   MPIDI_Request_setPeerRank_comm(rreq, source);
   MPIDI_Request_setMatchSeq(rreq, msg_seqno);
-
-  if (!in_cntr->n_OutOfOrderMsgs) {
-    MPIDI_Recvq_append(MPIDI_Recvq.unexpected, rreq);
-  } else {
-    q=in_cntr->OutOfOrderList;
-    insert=0;
-    for (i=1; i<=in_cntr->n_OutOfOrderMsgs; i++) {
-      if ( context_id == MPIDI_Request_getMatchCtxt(q)) {
-        if (((int)(msg_seqno - MPIDI_Request_getMatchSeq(q))) < 0) {
-           MPIDI_Recvq_insert(MPIDI_Recvq.unexpected, q, rreq);
-           insert=1;
-           break;
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+  if(MPIDI_Process.queue_binary_search_support_on)
+  { 
+    MPIDI_Recvq_insert_uexp((void*)rreq, source, tag, context_id, msg_seqno);
+  }
+  else
+  {
+#endif
+    if (!in_cntr->n_OutOfOrderMsgs) {
+      MPIDI_Recvq_append(MPIDI_Recvq.unexpected, rreq);
+    } else {
+      q=in_cntr->OutOfOrderList;
+      insert=0;
+      for (i=1; i<=in_cntr->n_OutOfOrderMsgs; i++) {
+        if ( context_id == MPIDI_Request_getMatchCtxt(q)) {
+          if (((int)(msg_seqno - MPIDI_Request_getMatchSeq(q))) < 0) {
+             MPIDI_Recvq_insert(MPIDI_Recvq.unexpected, q, rreq);
+             insert=1;
+             break;
+          }
         }
+        q=q->mpid.nextR;
+      }
+      if (!insert) {
+        MPIDI_Recvq_append(MPIDI_Recvq.unexpected, rreq);
       }
-      q=q->mpid.nextR;
-    }
-    if (!insert) {
-      MPIDI_Recvq_append(MPIDI_Recvq.unexpected, rreq);
     }
-   }
    TRACE_SET_R_VAL(pami_source,(msg_seqno & SEQMASK),req,rreq);
    TRACE_SET_R_VAL(pami_source,(msg_seqno & SEQMASK),msgid,msg_seqno);
    TRACE_SET_R_BIT(pami_source,(msg_seqno & SEQMASK),fl.f.ool);
@@ -550,11 +800,14 @@ MPIDI_Recvq_AEU(MPID_Request *newreq, int source, pami_task_t pami_source, int t
    TRACE_SET_REQ_VAL(rreq->mpid.idx,(msg_seqno & SEQMASK));
    TRACE_SET_R_VAL(pami_source,(msg_seqno & SEQMASK),rsource,pami_source);
    TRACE_SET_REQ_VAL(rreq->mpid.partner_id,pami_source);
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+  }
+#endif
 
   if (((int)(in_cntr->nMsgs - msg_seqno)) < 0) { /* seqno > nMsgs, out of order */
     MPIDI_Recvq_enqueue_ool(pami_source,rreq);
   }
-#endif
+#endif/* OUT_OF_ORDER_HANDLING */
 
   return rreq;
 }
diff --git a/src/mpid/pamid/src/mpid_recvq.h b/src/mpid/pamid/src/mpid_recvq.h
index 707fb66..9aa0d56 100644
--- a/src/mpid/pamid/src/mpid_recvq.h
+++ b/src/mpid/pamid/src/mpid_recvq.h
@@ -119,12 +119,28 @@ static inline int
 MPIDI_Recvq_FU_r(int source, int tag, int context, MPI_Status * status)
 {
   int rc = FALSE;
-  if (likely(MPIDI_Recvq.unexpected_head != NULL))
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+  if(MPIDI_Process.queue_binary_search_support_on)
   {
-    MPIU_THREAD_CS_ENTER(MSGQUEUE,0);
-    rc = MPIDI_Recvq_FU(source, tag, context, status);
-    MPIU_THREAD_CS_EXIT(MSGQUEUE, 0);
+    if (likely(!MPIDI_Recvq_empty_uexp()))
+    {
+      MPIU_THREAD_CS_ENTER(MSGQUEUE,0);
+      rc = MPIDI_Recvq_FU(source, tag, context, status);
+      MPIU_THREAD_CS_EXIT(MSGQUEUE, 0);
+    }
+  }
+  else
+  {
+#endif
+    if (likely(MPIDI_Recvq.unexpected_head != NULL)) 
+    {
+      MPIU_THREAD_CS_ENTER(MSGQUEUE,0);
+      rc = MPIDI_Recvq_FU(source, tag, context, status);
+      MPIU_THREAD_CS_EXIT(MSGQUEUE, 0);
+    }
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
   }
+#endif
   return rc;
 }
 
@@ -147,21 +163,45 @@ MPIDI_Recvq_FDU_or_AEP(MPID_Request *newreq, int source, pami_task_t pami_source
 {
   MPID_Request * rreq = NULL;
   /* We have unexpected messages, so search unexpected queue */
-  if (unlikely(MPIDI_Recvq.unexpected_head != NULL)) {
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+  if(MPIDI_Process.queue_binary_search_support_on)
+  {
+    if (unlikely(!MPIDI_Recvq_empty_uexp()))
+    {
 #ifndef OUT_OF_ORDER_HANDLING
-    rreq = MPIDI_Recvq_FDU(source, tag, context_id, foundp);
+      rreq = MPIDI_Recvq_FDU(source, tag, context_id, foundp);
 #else
-    rreq = MPIDI_Recvq_FDU(source, pami_source, tag, context_id, foundp);
+      rreq = MPIDI_Recvq_FDU(source, pami_source, tag, context_id, foundp);
 #endif
-    if (*foundp == TRUE)
-      return rreq;
+      if (*foundp == TRUE)
+        return rreq;
 #if (MPIDI_STATISTICS)
-    else {
-     MPID_NSTAT(mpid_statp->lateArrivals);
+      else {
+       MPID_NSTAT(mpid_statp->lateArrivals);
+      }
+#endif
     }
+  }
+  else
+  {
+#endif
+    if (unlikely(MPIDI_Recvq.unexpected_head != NULL)) {
+#ifndef OUT_OF_ORDER_HANDLING
+      rreq = MPIDI_Recvq_FDU(source, tag, context_id, foundp);
+#else
+      rreq = MPIDI_Recvq_FDU(source, pami_source, tag, context_id, foundp);
+#endif
+      if (*foundp == TRUE)
+        return rreq;
+#if (MPIDI_STATISTICS)
+      else {
+       MPID_NSTAT(mpid_statp->lateArrivals);
+      }
 #endif
+    }
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
   }
-
+#endif
   /* A matching request was not found in the unexpected queue,
      so we need to allocate a new request and add it to the
      posted queue */
@@ -171,7 +211,12 @@ MPIDI_Recvq_FDU_or_AEP(MPID_Request *newreq, int source, pami_task_t pami_source
   TRACE_SET_REQ_VAL(rreq->mpid.envelope.data,(void *) 0);
   rreq->kind = MPID_REQUEST_RECV;
   MPIDI_Request_setMatch(rreq, tag, source, context_id);
-  MPIDI_Recvq_append(MPIDI_Recvq.posted, rreq);
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+  if(MPIDI_Process.queue_binary_search_support_on)
+    MPIDI_Recvq_insert_post(rreq, source, tag, context_id);
+  else
+#endif
+    MPIDI_Recvq_append(MPIDI_Recvq.posted, rreq);
   *foundp = FALSE;
 
   return rreq;
@@ -232,12 +277,30 @@ MPIDI_Recvq_FDP(size_t source, pami_task_t pami_source, int tag, int context_id,
 {
   MPID_Request * rreq;
   MPID_Request * prev_rreq = NULL;
+  void * it;
 #ifdef USE_STATISTICS
   unsigned search_length = 0;
 #endif
   TRACE_MEMSET_R(pami_source,msg_seqno,recv_status);
 
-  rreq = MPIDI_Recvq.posted_head;
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+  if(MPIDI_Process.queue_binary_search_support_on)
+  {
+    MPIDI_Recvq_find_in_post(source, tag, context_id, &rreq, &it);
+    if(rreq == NULL)
+    {
+      MPIDI_Recvq_find_in_post(source, MPI_ANY_TAG, context_id, &rreq, &it);
+      if(rreq == NULL)
+      {
+        MPIDI_Recvq_find_in_post(MPI_ANY_SOURCE, tag, context_id, &rreq, &it);
+        if(rreq == NULL)
+          MPIDI_Recvq_find_in_post(MPI_ANY_SOURCE, MPI_ANY_TAG, context_id, &rreq, &it);
+      }
+    }
+  }
+  else
+#endif
+    rreq = MPIDI_Recvq.posted_head;
 
 #ifdef OUT_OF_ORDER_HANDLING
   MPIDI_In_cntr_t *in_cntr = &MPIDI_In_cntr[pami_source];
@@ -288,15 +351,28 @@ MPIDI_Recvq_FDP(size_t source, pami_task_t pami_source, int tag, int context_id,
 #ifdef OUT_OF_ORDER_HANDLING
         MPIDI_Request_setPeerRank_pami(rreq, pami_source);
 #endif
-        MPIDI_Recvq_remove(MPIDI_Recvq.posted, rreq, prev_rreq);
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+        if(MPIDI_Process.queue_binary_search_support_on)
+          MPIDI_Recvq_remove_post(match_src, match_tag, match_ctx, it);
+        else
+#endif
+          MPIDI_Recvq_remove(MPIDI_Recvq.posted, rreq, prev_rreq);
 #ifdef USE_STATISTICS
         MPIDI_Statistics_time(MPIDI_Statistics.recvq.unexpected_search, search_length);
 #endif
         return rreq;
       }
-
-    prev_rreq = rreq;
-    rreq = rreq->mpid.next;
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+    if(MPIDI_Process.queue_binary_search_support_on)
+      break;
+    else
+    {
+#endif
+      prev_rreq = rreq;
+      rreq = rreq->mpid.next;
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+    }
+#endif
   }
 #ifdef OUT_OF_ORDER_HANDLING
   }
diff --git a/src/mpid/pamid/src/mpid_recvq_mmap.cpp b/src/mpid/pamid/src/mpid_recvq_mmap.cpp
new file mode 100644
index 0000000..c565fed
--- /dev/null
+++ b/src/mpid/pamid/src/mpid_recvq_mmap.cpp
@@ -0,0 +1,419 @@
+#include <map>
+#include <stdio.h>
+#include <cstdlib>
+#include "mpidi_platform.h"
+
+
+extern "C" { 
+
+struct MPID_Queue_map_key_t
+{
+  int context_id;
+  int source;
+  int tag;
+  inline bool operator< (const MPID_Queue_map_key_t& qmk) const
+  {
+    if(context_id < qmk.context_id)
+      return true;
+    else if(context_id == qmk.context_id)
+    {
+      if(source < qmk.source)
+        return true;
+      else if(source == qmk.source)
+      {
+        if(tag < qmk.tag)
+          return true;
+        else
+          return false;
+      }
+      else
+        return false;
+    }
+    else
+      return false;
+  } 
+};
+
+struct MPID_Queue_map_value_t
+{
+  void* rreq;
+#ifdef OUT_OF_ORDER_HANDLING
+  int seqno;
+#endif
+};
+
+typedef std::multimap<MPID_Queue_map_key_t,MPID_Queue_map_value_t> MPID_Req_queue_map_t;
+typedef std::multimap<MPID_Queue_map_key_t,MPID_Queue_map_value_t>::iterator MPID_Req_queue_map_iterator_t;
+
+MPID_Req_queue_map_t MPID_Unexp_queue;
+MPID_Req_queue_map_t MPID_Posted_queue;
+
+MPID_Req_queue_map_iterator_t itp;
+MPID_Req_queue_map_iterator_t itu;
+
+void MPIDI_Recvq_init_queues();
+int MPIDI_Recvq_empty_uexp();
+int MPIDI_Recvq_empty_post();
+
+#ifndef OUT_OF_ORDER_HANDLING
+void MPIDI_Recvq_insert_uexp(void * rreq, int source, int tag, int context_id);
+void MPIDI_Recvq_insert_post(void * rreq, int source, int tag, int context_id);
+void MPIDI_Recvq_insrt(MPID_Req_queue_map_t* queue, void * rreq, int source, int tag, int context_id);
+
+void MPIDI_Recvq_remove_uexp(int source, int tag, int context_id, void* it_req);
+void MPIDI_Recvq_remove_post(int source, int tag, int context_id, void* it_req);
+void MPIDI_Recvq_rm(MPID_Req_queue_map_t* queue, int source, int tag, int context_id, void* it_req);
+
+void MPIDI_Recvq_find_in_uexp(int source, int tag, int context_id, void** req, void** it_req);
+void MPIDI_Recvq_find_in_post(int source, int tag, int context_id, void** req, void** it_req);
+void MPIDI_Recvq_find(MPID_Req_queue_map_t* queue, int source, int tag, int context_id, void** req, void** it_req);
+
+#else
+void MPIDI_Recvq_insert_uexp(void * rreq, int source, int tag, int context_id, int seqno);
+void MPIDI_Recvq_insert_post(void * rreq, int source, int tag, int context_id);
+void MPIDI_Recvq_insrt(MPID_Req_queue_map_t* queue, void * rreq, int source, int tag, int context_id, int seqno);
+
+void MPIDI_Recvq_remove_uexp(int source, int tag, int context_id, int seqno, void* it_req);
+void MPIDI_Recvq_remove_uexp_noit(int source, int tag, int context_id, int seqno);
+void MPIDI_Recvq_remove_post(int source, int tag, int context_id, void* it_req);
+void MPIDI_Recvq_rm(MPID_Req_queue_map_t* queue, int source, int tag, int context_id, int seqno, void* it_req);
+
+void MPIDI_Recvq_find_in_uexp(int source, int tag, int context_id, int seqno, void** req, void** it_req);
+void MPIDI_Recvq_find_in_post(int source, int tag, int context_id, void** req, void** it_req);
+void MPIDI_Recvq_find(MPID_Req_queue_map_t* queue, int source, int tag, int context_id, int seqno, void** req, void** it_req);
+
+#endif
+
+
+
+
+void MPIDI_Recvq_init_queues()
+{
+  MPID_Unexp_queue.clear();
+  MPID_Posted_queue.clear();
+}
+
+int MPIDI_Recvq_empty_uexp()
+{
+  return MPID_Unexp_queue.empty();
+}
+
+int MPIDI_Recvq_empty_post()
+{
+  return MPID_Posted_queue.empty();
+}
+
+#ifndef OUT_OF_ORDER_HANDLING
+void MPIDI_Recvq_insert_uexp(void * rreq, int source, int tag, int context_id)
+{
+  MPIDI_Recvq_insrt(&MPID_Unexp_queue, rreq, source, tag, context_id);
+}
+
+
+void MPIDI_Recvq_insert_post(void * rreq, int source, int tag, int context_id)
+{
+  MPIDI_Recvq_insrt(&MPID_Posted_queue, rreq, source, tag, context_id);
+}
+
+
+void MPIDI_Recvq_insrt(MPID_Req_queue_map_t* queue, void * rreq, int source, int tag, int context_id)
+{
+  MPID_Queue_map_key_t key;
+  MPID_Queue_map_value_t value;
+  key.context_id = context_id;
+  key.source     = source;
+  key.tag        = tag;
+  value.rreq     = rreq;
+  queue->insert(std::make_pair(key,value));  
+}
+
+
+void MPIDI_Recvq_remove_uexp(int source, int tag, int context_id, void* it_req)
+{
+  MPIDI_Recvq_rm(&MPID_Unexp_queue, source, tag, context_id, it_req);
+}
+
+
+void MPIDI_Recvq_remove_post(int source, int tag, int context_id, void* it_req)
+{
+  MPIDI_Recvq_rm(&MPID_Posted_queue, source, tag, context_id, it_req);
+}
+
+
+void MPIDI_Recvq_rm(MPID_Req_queue_map_t* queue, int source, int tag, int context_id, void* it_req)
+{
+  MPID_Req_queue_map_iterator_t it = *((MPID_Req_queue_map_iterator_t*)it_req);
+  queue->erase(it);
+}
+
+
+void MPIDI_Recvq_find_in_uexp(int source, int tag, int context_id, void** req, void** it_req)
+{
+  return MPIDI_Recvq_find(&MPID_Unexp_queue, source, tag, context_id, req, it_req);
+}
+
+void MPIDI_Recvq_find_in_post(int source, int tag, int context_id, void** req, void** it_req)
+{
+  MPID_Queue_map_key_t key;
+  key.context_id = context_id;
+  key.source     = source;
+  key.tag        = tag;
+  *it_req = NULL;
+  *req    = NULL;
+  itp = MPID_Posted_queue.find(key);
+  if(itp != MPID_Posted_queue.end())
+  {
+    *it_req = &itp;
+    *req = ((MPID_Queue_map_value_t)(itp->second)).rreq;
+  }
+}
+
+void MPIDI_Recvq_find(MPID_Req_queue_map_t* queue, int source, int tag, int context_id, void** req, void** it_req)
+{
+  MPID_Queue_map_key_t key;
+  key.context_id = context_id;
+  key.source     = source;
+  key.tag        = tag;
+  *req = NULL;
+  *it_req = NULL;
+  itu = queue->find(key);
+  if(itu != queue->end())
+  {
+    *req = ((MPID_Queue_map_value_t)(itu->second)).rreq;
+    *it_req = &itu;
+    return;
+  }
+
+  if(source < 0 && tag >= 0)
+  {
+    for(itu = queue->begin(); itu != queue->end(); itu++)
+    {
+      if(((MPID_Queue_map_key_t)itu->first).tag == tag && ((MPID_Queue_map_key_t)itu->first).context_id == context_id)
+      {
+        *it_req = &itu;
+        *req = ((MPID_Queue_map_value_t)itu->second).rreq;
+        return;
+      }
+    }
+  }
+  else if(source >= 0 && tag < 0)
+  {
+    for(itu = queue->begin(); itu != queue->end(); itu++)
+    {
+      if(((MPID_Queue_map_key_t)itu->first).source == source && ((MPID_Queue_map_key_t)itu->first).context_id == context_id)
+      {
+        *it_req = &itu;
+        *req = ((MPID_Queue_map_value_t)itu->second).rreq;
+        return;
+      }
+    }
+  }
+  else if(source < 0 && tag < 0)
+  {
+    for(itu = queue->begin(); itu != queue->end(); itu++)
+    {
+      if(((MPID_Queue_map_key_t)itu->first).context_id == context_id)
+      {
+        *it_req = &itu;
+        *req = ((MPID_Queue_map_value_t)itu->second).rreq;
+        return;
+      }
+    }
+  }
+
+}
+
+#else
+void MPIDI_Recvq_insert_uexp(void * rreq, int source, int tag, int context_id, int seqno)
+{
+  MPIDI_Recvq_insrt(&MPID_Unexp_queue, rreq, source, tag, context_id, seqno);
+
+}
+
+
+void MPIDI_Recvq_insert_post(void * rreq, int source, int tag, int context_id)
+{
+  MPIDI_Recvq_insrt(&MPID_Posted_queue, rreq, source, tag, context_id, -1);
+}
+
+
+void MPIDI_Recvq_insrt(MPID_Req_queue_map_t* queue, void * rreq, int source, int tag, int context_id, int seqno)
+{
+  MPID_Queue_map_key_t key;
+  MPID_Queue_map_value_t value;
+  key.context_id = context_id;
+  key.source     = source;
+  key.tag        = tag;
+  value.seqno    = seqno;
+  value.rreq     = rreq;
+  queue->insert(std::make_pair(key,value));
+}
+
+
+void MPIDI_Recvq_remove_uexp(int source, int tag, int context_id, int seqno, void* it_req)
+{
+  MPIDI_Recvq_rm(&MPID_Unexp_queue, source, tag, context_id, seqno, it_req);
+}
+
+void MPIDI_Recvq_remove_uexp_noit(int source, int tag, int context_id, int seqno)
+{
+  MPID_Queue_map_key_t key;
+  key.context_id = context_id;
+  key.source     = source;
+  key.tag        = tag;
+  MPID_Req_queue_map_iterator_t it;
+  std::pair <MPID_Req_queue_map_iterator_t, MPID_Req_queue_map_iterator_t > itpair;
+  itpair = MPID_Unexp_queue.equal_range(key);
+  for(it = itpair.first; itu != itpair.second; ++it)
+    if(((MPID_Queue_map_value_t)it->second).seqno == seqno)
+    {
+      MPID_Unexp_queue.erase(it);
+      break;
+    }
+}
+
+void MPIDI_Recvq_remove_post(int source, int tag, int context_id, void* it_req)
+{
+  MPIDI_Recvq_rm(&MPID_Posted_queue, source, tag, context_id, -1, it_req);
+}
+
+
+void MPIDI_Recvq_rm(MPID_Req_queue_map_t* queue, int source, int tag, int context_id, int seqno, void* it_req)
+{
+  MPID_Req_queue_map_iterator_t it = *((MPID_Req_queue_map_iterator_t*)it_req);
+  queue->erase(it);
+}
+
+
+void MPIDI_Recvq_find_in_uexp(int source, int tag, int context_id, int seqno, void** req, void** it_req)
+{
+  return MPIDI_Recvq_find(&MPID_Unexp_queue, source, tag, context_id, seqno, req, it_req);
+}
+
+void MPIDI_Recvq_find_in_post(int source, int tag, int context_id, void** req, void** it_req)
+{
+  MPID_Queue_map_key_t key;
+  key.context_id = context_id;
+  key.source     = source;
+  key.tag        = tag;
+  *req = NULL;
+  *it_req = NULL;
+  itp = MPID_Posted_queue.find(key);
+  if(itp!=MPID_Posted_queue.end())
+  {
+    *it_req = (void*)&itp;
+    *req  = ((MPID_Queue_map_value_t)(itp->second)).rreq;
+  }
+}
+
+
+void MPIDI_Recvq_find(MPID_Req_queue_map_t* queue, int source, int tag, int context_id, int seqno, void** req, void** it_req)
+{
+  MPID_Queue_map_key_t key;
+  key.context_id = context_id;
+  key.source     = source;
+  key.tag        = tag;
+
+  *req = NULL;
+  *it_req = NULL;
+  if(seqno == -1)
+  {
+    itu = queue->find(key);
+    if(itu != queue->end())
+    {
+      *it_req = (void*)&itu;
+      *req    = ((MPID_Queue_map_value_t)itu->second).rreq;
+    }
+  }
+  else
+  {
+    std::pair <MPID_Req_queue_map_iterator_t, MPID_Req_queue_map_iterator_t > itpair;
+    itpair = queue->equal_range(key);
+    for(itu = itpair.first; itu != itpair.second; ++itu)
+      if(((MPID_Queue_map_value_t)itu->second).seqno <= seqno)
+      {
+        *it_req = (void*)&itu;
+        *req    = ((MPID_Queue_map_value_t)itu->second).rreq;
+        break;
+      }
+  }
+  if(*req != NULL)
+    return;
+
+  if(source < 0 && tag >= 0)
+  {
+    for(itu = queue->begin(); itu != queue->end(); itu++)
+    {
+      if(((MPID_Queue_map_key_t)itu->first).tag == tag && ((MPID_Queue_map_key_t)itu->first).context_id == context_id)
+      {
+        if(seqno == -1)
+        {
+         *it_req = (void*)&itu;
+         *req = ((MPID_Queue_map_value_t)itu->second).rreq;
+          return;
+        }
+        else
+        {
+          if(((MPID_Queue_map_value_t)itu->second).seqno <= seqno)
+          {
+            *it_req = (void*)&itu;
+            *req = ((MPID_Queue_map_value_t)itu->second).rreq;
+            return;
+          }
+        }
+      }
+    }
+  }
+  else if(source >= 0 && tag < 0)
+  {
+    for(itu = queue->begin(); itu != queue->end(); itu++)
+    {
+      if(((MPID_Queue_map_key_t)itu->first).source == source && ((MPID_Queue_map_key_t)itu->first).context_id == context_id)
+      {
+        if(seqno == -1)
+        {
+          *it_req = (void*)&itu;
+          *req = ((MPID_Queue_map_value_t)itu->second).rreq;
+          return;
+        }
+        else
+        {
+          if(((MPID_Queue_map_value_t)itu->second).seqno <= seqno)
+          {
+            *it_req = (void*)&itu;
+            *req = ((MPID_Queue_map_value_t)itu->second).rreq;
+            return;
+          }
+        }
+      }
+    }
+  }
+  else if(source < 0 && tag < 0)
+  {
+    for(itu = queue->begin(); itu != queue->end(); itu++)
+    {
+      if(((MPID_Queue_map_key_t)itu->first).context_id == context_id)
+      {
+        if(seqno == -1)
+        {
+          *it_req = (void*)&itu;
+          *req = ((MPID_Queue_map_value_t)itu->second).rreq;
+          return;
+        }
+        else
+        {
+          if(((MPID_Queue_map_value_t)itu->second).seqno <= seqno)
+          {
+            *it_req = (void*)&itu;
+            *req = ((MPID_Queue_map_value_t)itu->second).rreq;
+            return;
+          }
+        }
+      }
+    }
+  }
+}
+
+#endif
+
+}
diff --git a/src/mpid/pamid/src/mpidi_env.c b/src/mpid/pamid/src/mpidi_env.c
index 732140a..91fb6a4 100644
--- a/src/mpid/pamid/src/mpidi_env.c
+++ b/src/mpid/pamid/src/mpidi_env.c
@@ -1136,6 +1136,11 @@ MPIDI_Env_setup(int rank, int requested)
            MPIDI_Process.mp_buf_mem=0;
 #endif
     }
+
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+    char* names[] = {"MP_S_USE_QUEUE_BINARY_SEARCH_SUPPORT", NULL};
+    ENV_Char(names, &MPIDI_Process.queue_binary_search_support_on);
+#endif
   /* Exit if any deprecated environment variables were specified. */
   if (found_deprecated_env_var)
     {
diff --git a/src/mpid/pamid/src/pt2pt/mpidi_done.c b/src/mpid/pamid/src/pt2pt/mpidi_done.c
index 5979409..7636448 100644
--- a/src/mpid/pamid/src/pt2pt/mpidi_done.c
+++ b/src/mpid/pamid/src/pt2pt/mpidi_done.c
@@ -148,6 +148,7 @@ void MPIDI_Recvq_process_out_of_order_msgs(pami_task_t src, pami_context_t conte
    pami_get_simple_t xferP;
    MPIDI_msg_sz_t _count=0;
    int matched;
+   void * it;
 
    in_cntr  = &MPIDI_In_cntr[src];
    prev_rreq = NULL;
@@ -155,7 +156,7 @@ void MPIDI_Recvq_process_out_of_order_msgs(pami_task_t src, pami_context_t conte
    while((in_cntr->n_OutOfOrderMsgs !=0) && ((MPIDI_Request_getMatchSeq(ooreq) == (in_cntr->nMsgs+1)) || (MPIDI_Request_getMatchSeq(ooreq) == in_cntr->nMsgs)))
    {
       matched=0;
-      matched=MPIDI_Search_recv_posting_queue(MPIDI_Request_getMatchRank(ooreq),MPIDI_Request_getMatchTag(ooreq),MPIDI_Request_getMatchCtxt(ooreq),&rreq);
+      matched=MPIDI_Search_recv_posting_queue(MPIDI_Request_getMatchRank(ooreq),MPIDI_Request_getMatchTag(ooreq),MPIDI_Request_getMatchCtxt(ooreq),&rreq, &it);
 
       if (matched)  {
         /* process a completed message i.e. data is in EA   */
@@ -208,8 +209,12 @@ void MPIDI_Recvq_process_out_of_order_msgs(pami_task_t src, pami_context_t conte
             MPID_Datatype_get_ptr(ooreq->mpid.datatype, ooreq->mpid.datatype_ptr);
             MPID_Datatype_add_ref(ooreq->mpid.datatype_ptr);
           }
-
-        MPIDI_Recvq_remove(MPIDI_Recvq.unexpected, ooreq, ooreq->mpid.prev);
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+        if(MPIDI_Process.queue_binary_search_support_on)
+          MPIDI_Recvq_remove_uexp_noit(MPIDI_Request_getMatchRank(ooreq),MPIDI_Request_getMatchTag(ooreq),MPIDI_Request_getMatchCtxt(ooreq), MPIDI_Request_getMatchSeq(ooreq));
+        else
+#endif
+          MPIDI_Recvq_remove(MPIDI_Recvq.unexpected, ooreq, ooreq->mpid.prev);
 	if (!MPID_cc_is_complete(&ooreq->cc)) {
 	  ooreq->mpid.oo_peer = rreq;
           MPIDI_RecvMsg_Unexp(ooreq, rreq->mpid.userbuf, rreq->mpid.userbufcount, rreq->mpid.datatype);
@@ -241,15 +246,53 @@ void MPIDI_Recvq_process_out_of_order_msgs(pami_task_t src, pami_context_t conte
  * element from the queue and return in *request; else return NULL
  */
 int MPIDI_Search_recv_posting_queue(int src, int tag, int context_id,
-                                   MPID_Request **request )
+                                   MPID_Request **request, void** it )
 {
     MPID_Request * rreq;
     MPID_Request * prev_rreq = NULL;
 
     *request = NULL;
-    rreq = MPIDI_Recvq.posted_head;
-    while (rreq != NULL)
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
+    if(MPIDI_Process.queue_binary_search_support_on)
+    {
+      MPIDI_Recvq_find_in_post(src, tag, context_id, &rreq, it);
+      if (rreq != NULL)
+      {
+        /* The communicator test is not yet correct */
+        MPIDI_Recvq_remove_post(src, tag, context_id, *it);
+        *request = rreq;
+#if (MPIDI_STATISTICS)
+        MPID_NSTAT(mpid_statp->earlyArrivalsMatched);
+#endif
+        return 1;
+      }
+      else
+      {
+        MPIDI_Recvq_find_in_post(src, MPI_ANY_TAG, context_id, &rreq, it);
+        if (rreq == NULL)
+        {
+          MPIDI_Recvq_find_in_post(MPI_ANY_SOURCE, tag, context_id, &rreq, it);
+          if (rreq == NULL)
+            MPIDI_Recvq_find_in_post(MPI_ANY_SOURCE, MPI_ANY_TAG, context_id, &rreq, it);
+        }
+        if (rreq != NULL)
+        {
+          /* The communicator test is not yet correct */
+          MPIDI_Recvq_remove_post(MPIDI_Request_getMatchRank(rreq), MPIDI_Request_getMatchTag(rreq), context_id, *it);
+          *request = rreq;
+#if (MPIDI_STATISTICS)
+          MPID_NSTAT(mpid_statp->earlyArrivalsMatched);
+#endif
+          return 1;
+        }
+      }
+    }
+    else
     {
+#endif
+      rreq = MPIDI_Recvq.posted_head;
+      while (rreq != NULL)
+      {
         /* The communicator test is not yet correct */
         if ((MPIDI_Request_getMatchRank(rreq)==src || MPIDI_Request_getMatchRank(rreq)==MPI_ANY_SOURCE) &&
         (MPIDI_Request_getMatchCtxt(rreq)==context_id) &&
@@ -258,14 +301,16 @@ int MPIDI_Search_recv_posting_queue(int src, int tag, int context_id,
             MPIDI_Recvq_remove(MPIDI_Recvq.posted, rreq, prev_rreq);
             *request = rreq;
 #if (MPIDI_STATISTICS)
-      MPID_NSTAT(mpid_statp->earlyArrivalsMatched);
+            MPID_NSTAT(mpid_statp->earlyArrivalsMatched);
 #endif
             return 1;
         }
         prev_rreq = rreq;
         rreq = rreq->mpid.next;
-
+      }
+#ifdef QUEUE_BINARY_SEARCH_SUPPORT
     }
+#endif
     return 0;
 }
 #endif

-----------------------------------------------------------------------

Summary of changes:
 src/mpid/pamid/include/mpidi_datatypes.h          |    3 +
 src/mpid/pamid/include/mpidi_platform.h           |    2 +
 src/mpid/pamid/src/Makefile.mk                    |    3 +-
 src/mpid/pamid/src/coll/alltoall/mpido_alltoall.c |   15 +-
 src/mpid/pamid/src/mpid_init.c                    |   14 +-
 src/mpid/pamid/src/mpid_recvq.c                   |  503 ++++++++++++++++-----
 src/mpid/pamid/src/mpid_recvq.h                   |  112 ++++-
 src/mpid/pamid/src/mpid_recvq_mmap.cpp            |  419 +++++++++++++++++
 src/mpid/pamid/src/mpidi_env.c                    |   13 +-
 src/mpid/pamid/src/pt2pt/mpidi_done.c             |   61 +++-
 10 files changed, 982 insertions(+), 163 deletions(-)
 create mode 100644 src/mpid/pamid/src/mpid_recvq_mmap.cpp


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