[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.2a1-16-g09930cc
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http://git.mpich.org/mpich.git/commitdiff/09930cc20a8532a2cfd9f7e022787bf40af8286f
commit 09930cc20a8532a2cfd9f7e022787bf40af8286f
Author: Igor Ivanov <Igor.Ivanov at itseez.com>
Date: Fri Sep 12 16:11:50 2014 +0300
netmod/mxm: Change supported MXM version to 3.1+
- Changed MXM version that is supported to 3.1+
- Added additional debug output for iov
- Added check for datatype mismatch during noncontiguous data
Signed-off-by: Igor Ivanov <Igor.Ivanov at itseez.com>
diff --git a/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_cancel.c b/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_cancel.c
index 2de472d..202d149 100644
--- a/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_cancel.c
+++ b/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_cancel.c
@@ -50,7 +50,7 @@ int MPID_nem_mxm_cancel_send(MPIDI_VC_t * vc, MPID_Request * req)
#define FCNAME MPIDI_QUOTE(FUNCNAME)
int MPID_nem_mxm_cancel_recv(MPIDI_VC_t * vc, MPID_Request * req)
{
- int mpi_errno = MPI_SUCCESS;
+ int mpi_errno ATTRIBUTE((unused)) = MPI_SUCCESS;
mxm_error_t ret = MXM_OK;
MPID_nem_mxm_req_area *req_area = REQ_BASE(req);
diff --git a/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_impl.h b/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_impl.h
index 6d3b9b2..bd80a69 100644
--- a/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_impl.h
+++ b/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_impl.h
@@ -149,7 +149,7 @@ typedef struct {
} MPID_nem_mxm_vc_area;
/* macro for mxm private in VC */
-#define VC_BASE(vcp) ((MPID_nem_mxm_vc_area *)((vcp)->ch.netmod_area.padding))
+#define VC_BASE(vcp) ((vcp) ? (MPID_nem_mxm_vc_area *)((vcp)->ch.netmod_area.padding) : NULL)
/* The req provides a generic buffer in which network modules can store
private fields This removes all dependencies from the req structure
@@ -172,7 +172,7 @@ typedef struct {
} MPID_nem_mxm_req_area;
/* macro for mxm private in REQ */
-#define REQ_BASE(reqp) ((MPID_nem_mxm_req_area *)((reqp)->ch.netmod_area.padding))
+#define REQ_BASE(reqp) ((reqp) ? (MPID_nem_mxm_req_area *)((reqp)->ch.netmod_area.padding) : NULL)
typedef struct MPID_nem_mxm_module_t {
char *runtime_version;
@@ -212,7 +212,7 @@ static inline void list_grow_mxm_req(list_head_t * list_head)
static inline void _mxm_barrier(void)
{
- int pmi_errno;
+ int pmi_errno ATTRIBUTE((unused));
#ifdef USE_PMI2_API
pmi_errno = PMI2_KVS_Fence();
diff --git a/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_poll.c b/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_poll.c
index 87259f3..0defcbb 100644
--- a/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_poll.c
+++ b/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_poll.c
@@ -162,18 +162,22 @@ int MPID_nem_mxm_recv(MPIDI_VC_t * vc, MPID_Request * rreq)
int dt_contig;
MPI_Aint dt_true_lb;
MPID_Datatype *dt_ptr;
- MPID_nem_mxm_vc_area *vc_area = VC_BASE(vc);
- MPID_nem_mxm_req_area *req_area = REQ_BASE(rreq);
+ MPID_nem_mxm_vc_area *vc_area = NULL;
+ MPID_nem_mxm_req_area *req_area = NULL;
MPIDI_Datatype_get_info(rreq->dev.user_count, rreq->dev.datatype, dt_contig, data_sz,
dt_ptr, dt_true_lb);
rreq->dev.OnDataAvail = NULL;
rreq->dev.tmpbuf = NULL;
rreq->ch.vc = vc;
+ rreq->ch.noncontig = FALSE;
_dbg_mxm_output(5,
"Recv ========> Getting USER msg for req %p (context %d rank %d tag %d size %d) \n",
- rreq, context_id, source, tag, data_sz);
+ rreq, context_id, rreq->dev.match.parts.rank, tag, data_sz);
+
+ vc_area = VC_BASE(vc);
+ req_area = REQ_BASE(rreq);
req_area->ctx = rreq;
req_area->iov_buf = req_area->tmp_buf;
@@ -187,6 +191,7 @@ int MPID_nem_mxm_recv(MPIDI_VC_t * vc, MPID_Request * rreq)
req_area->iov_buf[0].length = data_sz;
}
else {
+ rreq->ch.noncontig = TRUE;
mpi_errno = _mxm_process_rdtype(&rreq, rreq->dev.datatype, dt_ptr, data_sz,
rreq->dev.user_buf, rreq->dev.user_count,
&req_area->iov_buf, &req_area->iov_count);
@@ -194,7 +199,7 @@ int MPID_nem_mxm_recv(MPIDI_VC_t * vc, MPID_Request * rreq)
MPIU_ERR_POP(mpi_errno);
}
- mpi_errno = _mxm_irecv((vc ? vc_area->mxm_ep : NULL), req_area,
+ mpi_errno = _mxm_irecv((vc_area ? vc_area->mxm_ep : NULL), req_area,
tag,
(rreq->comm ? (mxm_mq_h) rreq->comm->dev.ch.netmod_priv : mxm_obj->
mxm_mq), _mxm_tag_mpi2mxm(tag, context_id));
@@ -217,17 +222,18 @@ static int _mxm_handle_rreq(MPID_Request * req)
{
int complete = FALSE;
int dt_contig;
- MPI_Aint dt_true_lb;
+ MPI_Aint dt_true_lb ATTRIBUTE((unused));
MPIDI_msg_sz_t userbuf_sz;
MPID_Datatype *dt_ptr;
MPIDI_msg_sz_t data_sz;
MPIDI_VC_t *vc = NULL;
- MPID_nem_mxm_vc_area *vc_area = NULL;
- MPID_nem_mxm_req_area *req_area = NULL
+ MPID_nem_mxm_vc_area *vc_area ATTRIBUTE((unused)) = NULL;
+ MPID_nem_mxm_req_area *req_area = NULL;
+ void *tmp_buf = NULL;
MPIU_THREAD_CS_ENTER(MSGQUEUE, req);
- complete = MPIDI_CH3U_Recvq_DP(req)
- MPIU_THREAD_CS_EXIT(MSGQUEUE, req);
+ complete = MPIDI_CH3U_Recvq_DP(req);
+ MPIU_THREAD_CS_EXIT(MSGQUEUE, req);
if (!complete) {
return TRUE;
}
@@ -270,29 +276,60 @@ static int _mxm_handle_rreq(MPID_Request * req)
req->dev.recv_data_sz, userbuf_sz);
}
- if ((!dt_contig) && (req->dev.tmpbuf != NULL)) {
- MPIDI_msg_sz_t last;
+ if (!dt_contig) {
+ MPIDI_msg_sz_t last = 0;
- last = req->dev.recv_data_sz;
- MPID_Segment_unpack(req->dev.segment_ptr, 0, &last, req->dev.tmpbuf);
- MPIU_Free(req->dev.tmpbuf);
+ if (req->dev.tmpbuf != NULL) {
+ last = req->dev.recv_data_sz;
+ MPID_Segment_unpack(req->dev.segment_ptr, 0, &last, req->dev.tmpbuf);
+ tmp_buf = req->dev.tmpbuf;
+ }
+ else {
+ mxm_req_buffer_t * iov_buf;
+ MPID_IOV *iov;
+ int n_iov = 0;
+ int index;
+
+ last = req->dev.recv_data_sz;
+ n_iov = req_area->iov_count;
+ iov_buf = req_area->iov_buf;
+ if (last && n_iov > 0) {
+ iov = MPIU_Malloc(n_iov * sizeof(*iov));
+ MPIU_Assert(iov);
+
+ n_iov = req_area->iov_count;
+ iov_buf = req_area->iov_buf;
+ for (index = 0; index < n_iov; index++) {
+ iov[index].MPID_IOV_BUF = iov_buf[index].ptr;
+ iov[index].MPID_IOV_LEN = iov_buf[index].length;
+ }
+
+ MPID_Segment_unpack_vector(req->dev.segment_ptr, req->dev.segment_first, &last, iov, &n_iov);
+ MPIU_Free(iov);
+ }
+ if (req_area->iov_count > MXM_MPICH_MAX_IOV) {
+ tmp_buf = req_area->iov_buf;
+ req_area->iov_buf = req_area->tmp_buf;
+ req_area->iov_count = 0;
+ }
+ }
if (last != data_sz) {
MPIR_STATUS_SET_COUNT(req->status, last);
if (req->dev.recv_data_sz <= userbuf_sz) {
+ /* If the data can't be unpacked, the we have a
+ * mismatch between the datatype and the amount of
+ * data received. Throw away received data.
+ */
MPIU_ERR_SETSIMPLE(req->status.MPI_ERROR, MPI_ERR_TYPE, "**dtypemismatch");
}
}
}
- if (req_area->iov_count > MXM_MPICH_MAX_IOV) {
- MPIU_Free(req_area->iov_buf);
- req_area->iov_buf = req_area->tmp_buf;
- req_area->iov_count = 0;
- }
-
MPIDI_CH3U_Handle_recv_req(vc, req, &complete);
MPIU_Assert(complete == TRUE);
+ if (tmp_buf) MPIU_Free(tmp_buf);
+
return complete;
}
@@ -422,6 +459,14 @@ static int _mxm_process_rdtype(MPID_Request ** rreq_p, MPI_Datatype datatype,
MPID_Segment_unpack_vector(rreq->dev.segment_ptr, rreq->dev.segment_first, &last, iov, &n_iov);
MPIU_Assert(last == rreq->dev.segment_size);
+#if defined(MXM_DEBUG) && (MXM_DEBUG > 0)
+ _dbg_mxm_output(7, "Recv Noncontiguous data vector %i entries (free slots : %i)\n", n_iov, MXM_REQ_DATA_MAX_IOV);
+ for(index = 0; index < n_iov; index++) {
+ _dbg_mxm_output(7, "======= Recv iov[%i] = ptr : %p, len : %i \n",
+ index, iov[index].MPID_IOV_BUF, iov[index].MPID_IOV_LEN);
+ }
+#endif
+
if (n_iov <= MXM_REQ_DATA_MAX_IOV) {
if (n_iov > MXM_MPICH_MAX_IOV) {
*iov_buf = (mxm_req_buffer_t *) MPIU_Malloc(n_iov * sizeof(**iov_buf));
diff --git a/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_send.c b/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_send.c
index 701ed35..f91edf3 100644
--- a/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_send.c
+++ b/src/mpid/ch3/channels/nemesis/netmod/mxm/mxm_send.c
@@ -577,6 +577,7 @@ int MPID_nem_mxm_issend(MPIDI_VC_t * vc, const void *buf, int count, MPI_Datatyp
MPIDI_msg_sz_t last;
MPI_Aint packsize = 0;
+ sreq->ch.noncontig = TRUE;
sreq->dev.segment_ptr = MPID_Segment_alloc();
MPIU_ERR_CHKANDJUMP1((sreq->dev.segment_ptr == NULL), mpi_errno, MPI_ERR_OTHER,
"**nomem", "**nomem %s", "MPID_Segment_alloc");
@@ -593,7 +594,6 @@ int MPID_nem_mxm_issend(MPIDI_VC_t * vc, const void *buf, int count, MPI_Datatyp
req_area->iov_buf[0].ptr = sreq->dev.tmpbuf;
req_area->iov_buf[0].length = last;
}
- sreq->ch.noncontig = TRUE;
}
}
@@ -796,6 +796,14 @@ static int _mxm_process_sdtype(MPID_Request ** sreq_p, MPI_Datatype datatype,
MPID_Segment_pack_vector(sreq->dev.segment_ptr, sreq->dev.segment_first, &last, iov, &n_iov);
MPIU_Assert(last == sreq->dev.segment_size);
+#if defined(MXM_DEBUG) && (MXM_DEBUG > 0)
+ _dbg_mxm_output(7, "Send Noncontiguous data vector %i entries (free slots : %i)\n", n_iov, MXM_REQ_DATA_MAX_IOV);
+ for(index = 0; index < n_iov; index++) {
+ _dbg_mxm_output(7, "======= Recv iov[%i] = ptr : %p, len : %i \n",
+ index, iov[index].MPID_IOV_BUF, iov[index].MPID_IOV_LEN);
+ }
+#endif
+
if (n_iov > MXM_MPICH_MAX_IOV) {
*iov_buf = (mxm_req_buffer_t *) MPIU_Malloc(n_iov * sizeof(**iov_buf));
MPIU_Assert(*iov_buf);
diff --git a/src/mpid/ch3/channels/nemesis/netmod/mxm/subconfigure.m4 b/src/mpid/ch3/channels/nemesis/netmod/mxm/subconfigure.m4
index 28dcdd2..29f829a 100644
--- a/src/mpid/ch3/channels/nemesis/netmod/mxm/subconfigure.m4
+++ b/src/mpid/ch3/channels/nemesis/netmod/mxm/subconfigure.m4
@@ -27,14 +27,14 @@ AM_COND_IF([BUILD_NEMESIS_NETMOD_MXM],[
#error "MXM Version is less than 1.5, please upgrade"
#endif
#
-#if MXM_API < MXM_VERSION(3,0)
-#error "MXM Version is less than 3.0, please upgrade"
+#if MXM_API < MXM_VERSION(3,1)
+#error "MXM Version is less than 3.1, please upgrade"
#endif],
[int a=0;],
mxm_api_version=yes,
mxm_api_version=no)
if test "$mxm_api_version" = no ; then
- AC_MSG_ERROR(['MXM API version Problem. Are you running a recent version of MXM (at least 3.0)?'])
+ AC_MSG_ERROR(['MXM API version Problem. Are you running a recent version of MXM (at least 3.1)?'])
fi;
AC_DEFINE([ENABLE_COMM_OVERRIDES], 1, [define to add per-vc function pointers to override send and recv functions])
PAC_APPEND_FLAG([-lmxm],[EXTERNAL_LIBS])
-----------------------------------------------------------------------
Summary of changes:
.../ch3/channels/nemesis/netmod/mxm/mxm_cancel.c | 2 +-
.../ch3/channels/nemesis/netmod/mxm/mxm_impl.h | 6 +-
.../ch3/channels/nemesis/netmod/mxm/mxm_poll.c | 85 +++++++++++++++-----
.../ch3/channels/nemesis/netmod/mxm/mxm_send.c | 10 ++-
.../channels/nemesis/netmod/mxm/subconfigure.m4 | 6 +-
5 files changed, 81 insertions(+), 28 deletions(-)
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