[mpich-commits] [mpich] MPICH primary repository branch, master, updated. v3.2b1-64-g5d4128f
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http://git.mpich.org/mpich.git/commitdiff/5d4128f8f7ea831ab591f27bee61dc826b002454
commit 5d4128f8f7ea831ab591f27bee61dc826b002454
Author: Charles J Archer <charles.j.archer at intel.com>
Date: Tue Apr 14 09:26:32 2015 -0700
OFI tsearch removed from API in favor of FI_PEEK+trecvmsg
diff --git a/src/mpid/ch3/channels/nemesis/netmod/ofi/errnames.txt b/src/mpid/ch3/channels/nemesis/netmod/ofi/errnames.txt
index 620e52d..44063ab 100644
--- a/src/mpid/ch3/channels/nemesis/netmod/ofi/errnames.txt
+++ b/src/mpid/ch3/channels/nemesis/netmod/ofi/errnames.txt
@@ -34,8 +34,8 @@
**ofi_fabricclose %s %d %s %s:OFI fabric close failed (%s:%d:%s:%s)
**ofi_domainclose:OFI domain close failed
**ofi_domainclose %s %d %s %s:OFI domain close failed (%s:%d:%s:%s)
-**ofi_tsearch:OFI tsearch failed
-**ofi_tsearch %s %d %s %s:OFI tsearch failed (%s:%d:%s:%s)
+**ofi_peek:OFI peek failed
+**ofi_peek %s %d %s %s:OFI peek failed (%s:%d:%s:%s)
**ofi_poll:OFI poll failed
**ofi_poll %s %d %s %s:OFI poll failed (%s:%d:%s:%s)
**ofi_cancel:OFI cancel failed
diff --git a/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_impl.h b/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_impl.h
index 652cea6..065920a 100644
--- a/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_impl.h
+++ b/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_impl.h
@@ -34,6 +34,7 @@ typedef struct fi_tx_attr tx_attr_t;
typedef struct fi_cq_tagged_entry cq_tagged_entry_t;
typedef struct fi_cq_err_entry cq_err_entry_t;
typedef struct fi_context context_t;
+typedef struct fi_msg_tagged msg_tagged_t;
typedef int (*event_callback_fn) (cq_tagged_entry_t * wc, MPID_Request *);
typedef int (*req_fn) (MPIDI_VC_t *, MPID_Request *, int *);
@@ -200,6 +201,9 @@ fn_fail: \
#define MPID_PORT_SHIFT (32)
#define OFI_KVSAPPSTRLEN 1024
+#define PEEK_INIT 0
+#define PEEK_FOUND 1
+
/* ******************************** */
/* Request manipulation inlines */
/* ******************************** */
diff --git a/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_init.c b/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_init.c
index 5024bfa..cc9a6e9 100644
--- a/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_init.c
+++ b/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_init.c
@@ -337,11 +337,9 @@ static inline int compile_time_checking()
MPIU_ERR_SET2(e, MPI_ERR_OTHER, "**ofi_avclose", "**ofi_avclose %s %d %s %s", a, b, a, a);
MPIU_ERR_SET2(e, MPI_ERR_OTHER, "**ofi_epclose", "**ofi_epclose %s %d %s %s", a, b, a, a);
MPIU_ERR_SET2(e, MPI_ERR_OTHER, "**ofi_cqclose", "**ofi_cqclose %s %d %s %s", a, b, a, a);
- MPIU_ERR_SET2(e, MPI_ERR_OTHER, "**ofi_fabricclose", "**ofi_fabricclose %s %d %s %s", a, b, a,
- a);
- MPIU_ERR_SET2(e, MPI_ERR_OTHER, "**ofi_domainclose", "**ofi_domainclose %s %d %s %s", a, b, a,
- a);
- MPIU_ERR_SET2(e, MPI_ERR_OTHER, "**ofi_tsearch", "**ofi_tsearch %s %d %s %s", a, b, a, a);
+ MPIU_ERR_SET2(e, MPI_ERR_OTHER, "**ofi_fabricclose", "**ofi_fabricclose %s %d %s %s", a, b, a,a);
+ MPIU_ERR_SET2(e, MPI_ERR_OTHER, "**ofi_domainclose", "**ofi_domainclose %s %d %s %s", a, b, a,a);
+ MPIU_ERR_SET2(e, MPI_ERR_OTHER, "**ofi_peek", "**ofi_peek %s %d %s %s", a, b, a, a);
MPIU_ERR_SET2(e, MPI_ERR_OTHER, "**ofi_poll", "**ofi_poll %s %d %s %s", a, b, a, a);
MPIU_ERR_SET2(e, MPI_ERR_OTHER, "**ofi_cancel", "**ofi_cancel %s %d %s %s", a, b, a, a);
#endif
diff --git a/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_progress.c b/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_progress.c
index 7c9d1c8..cc2048f 100644
--- a/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_progress.c
+++ b/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_progress.c
@@ -9,9 +9,8 @@
*/
#include "ofi_impl.h"
-#define TSEARCH_INIT 0
-#define TSEARCH_NOT_FOUND 1
-#define TSEARCH_FOUND 2
+#define NORMAL_PEEK 0
+#define CLAIM_PEEK 1
/* ------------------------------------------------------------------------ */
/* This routine looks up the request that contains a context object */
@@ -22,43 +21,19 @@ static inline MPID_Request *context_to_req(void *ofi_context)
}
/* ------------------------------------------------------------------------ */
-/* Populate the status object from the return of the tsearch */
+/* peek_callback called when a successful peek is completed */
/* ------------------------------------------------------------------------ */
#undef FCNAME
-#define FCNAME DECL_FUNC(search_complete)
-static int search_complete(uint64_t tag, size_t msglen, MPID_Request * rreq)
+#define FCNAME DECL_FUNC(peek_callback)
+static int peek_callback(cq_tagged_entry_t * wc, MPID_Request * rreq)
{
int mpi_errno = MPI_SUCCESS;
BEGIN_FUNC(FCNAME);
- rreq->status.MPI_SOURCE = get_source(tag);
- rreq->status.MPI_TAG = get_tag(tag);
- rreq->status.MPI_ERROR = MPI_SUCCESS;
- MPIR_STATUS_SET_COUNT(rreq->status, msglen);
- END_FUNC(FCNAME);
- return mpi_errno;
-}
-
-/* ------------------------------------------------------------------------ */
-/* Check if wc->data is filled. If wc->data a message was found */
-/* and we fill out the status. Otherwise, it's not found, and we set the */
-/* state of the search request to 1, not found */
-/* ------------------------------------------------------------------------ */
-#undef FCNAME
-#define FCNAME DECL_FUNC(tsearch_callback)
-static int tsearch_callback(cq_tagged_entry_t * wc, MPID_Request * rreq)
-{
- int mpi_errno = MPI_SUCCESS;
- BEGIN_FUNC(FCNAME);
- if (wc->data) {
- REQ_OFI(rreq)->match_state = TSEARCH_FOUND;
- rreq->status.MPI_SOURCE = get_source(wc->tag);
- rreq->status.MPI_TAG = get_tag(wc->tag);
- MPIR_STATUS_SET_COUNT(rreq->status, wc->len);
- rreq->status.MPI_ERROR = MPI_SUCCESS;
- }
- else {
- REQ_OFI(rreq)->match_state = TSEARCH_NOT_FOUND;
- }
+ REQ_OFI(rreq)->match_state = PEEK_FOUND;
+ rreq->status.MPI_SOURCE = get_source(wc->tag);
+ rreq->status.MPI_TAG = get_tag(wc->tag);
+ MPIR_STATUS_SET_COUNT(rreq->status, wc->len);
+ rreq->status.MPI_ERROR = MPI_SUCCESS;
END_FUNC(FCNAME);
return mpi_errno;
}
@@ -92,54 +67,49 @@ int MPID_nem_ofi_iprobe_impl(struct MPIDI_VC *vc,
rreq = &rreq_s;
rreq->dev.OnDataAvail = NULL;
}
- REQ_OFI(rreq)->event_callback = tsearch_callback;
- REQ_OFI(rreq)->match_state = TSEARCH_INIT;
+ REQ_OFI(rreq)->event_callback = peek_callback;
+ REQ_OFI(rreq)->match_state = PEEK_INIT;
OFI_ADDR_INIT(source, vc, remote_proc);
match_bits = init_recvtag(&mask_bits, comm->context_id + context_offset, source, tag);
- /* ------------------------------------------------------------------------ */
- /* fi_tsearch: */
- /* Initiate a search for a match in the hardware or software queue. */
- /* The search can complete immediately with a match found (or not, ENOMSG). */
- /* It can also enqueue a context entry into the completion queue to make the */
- /* search nonblocking. This code will poll until the entry is complete. */
- /* ------------------------------------------------------------------------ */
- ret = fi_tsearch(gl_data.endpoint, /* Tagged Endpoint */
- &match_bits, /* Match bits */
- mask_bits, /* Bits to ignore */
- 0, /* Flags */
- &remote_proc, /* Remote Address */
- &len, /* Out: incoming msglen */
- &(REQ_OFI(rreq)->ofi_context)); /* Nonblocking context */
- if (ret == -FI_ENOMSG) {
+ /* ------------------------------------------------------------------------- */
+ /* fi_recvmsg with FI_PEEK: */
+ /* Initiate a search for a match in the hardware or software queue. */
+ /* The search can complete immediately with -ENOMSG. */
+ /* I successful, libfabric will enqueue a context entry into the completion */
+ /* queue to make the search nonblocking. This code will poll until the */
+ /* entry is enqueued. */
+ /* ------------------------------------------------------------------------- */
+ msg_tagged_t msg;
+ uint64_t msgflags = FI_PEEK;
+ msg.msg_iov = NULL;
+ msg.desc = NULL;
+ msg.iov_count = 0;
+ msg.addr = remote_proc;
+ msg.tag = match_bits;
+ msg.ignore = mask_bits;
+ msg.context = (void *) &(REQ_OFI(rreq)->ofi_context);
+ msg.data = 0;
+ if(*flag == CLAIM_PEEK)
+ msgflags|=FI_CLAIM;
+ ret = fi_trecvmsg(gl_data.endpoint,&msg,msgflags);
+ if(ret == -ENOMSG) {
+ if (rreq_ptr) {
+ MPIDI_CH3_Request_destroy(rreq);
+ *rreq_ptr = NULL;
*flag = 0;
- goto fn_exit;
- }
- else if (ret == 1) {
- *flag = 1;
- search_complete(match_bits, len, rreq);
- *status = rreq->status;
- goto fn_exit;
- }
- else {
- MPIU_ERR_CHKANDJUMP4((ret < 0), mpi_errno, MPI_ERR_OTHER,
- "**ofi_tsearch", "**ofi_tsearch %s %d %s %s",
- __SHORT_FILE__, __LINE__, FCNAME, fi_strerror(-ret));
+ }
+ MPID_nem_ofi_poll(MPID_NONBLOCKING_POLL);
+ goto fn_exit;
}
- while (TSEARCH_INIT == REQ_OFI(rreq)->match_state)
- MPID_nem_ofi_poll(MPID_BLOCKING_POLL);
+ MPIU_ERR_CHKANDJUMP4((ret < 0), mpi_errno, MPI_ERR_OTHER,
+ "**ofi_peek", "**ofi_peek %s %d %s %s",
+ __SHORT_FILE__, __LINE__, FCNAME, fi_strerror(-ret));
- if (REQ_OFI(rreq)->match_state == TSEARCH_NOT_FOUND) {
- if (rreq_ptr) {
- MPIDI_CH3_Request_destroy(rreq);
- *rreq_ptr = NULL;
- }
- *flag = 0;
- }
- else {
- *status = rreq->status;
- *flag = 1;
- }
+ while (PEEK_INIT == REQ_OFI(rreq)->match_state)
+ MPID_nem_ofi_poll(MPID_BLOCKING_POLL);
+ *status = rreq->status;
+ *flag = 1;
END_FUNC_RC(FCNAME);
}
@@ -152,6 +122,7 @@ int MPID_nem_ofi_iprobe(struct MPIDI_VC *vc,
{
int rc;
BEGIN_FUNC(FCNAME);
+ *flag = 0;
rc = MPID_nem_ofi_iprobe_impl(vc, source, tag, comm, context_offset, flag, status, NULL);
END_FUNC(FCNAME);
return rc;
@@ -169,8 +140,9 @@ int MPID_nem_ofi_improbe(struct MPIDI_VC *vc,
int old_error = status->MPI_ERROR;
int s;
BEGIN_FUNC(FCNAME);
+ *flag = NORMAL_PEEK;
s = MPID_nem_ofi_iprobe_impl(vc, source, tag, comm, context_offset, flag, status, message);
- if (flag && *flag) {
+ if (*flag) {
status->MPI_ERROR = old_error;
(*message)->kind = MPID_REQUEST_MPROBE;
}
@@ -186,6 +158,7 @@ int MPID_nem_ofi_anysource_iprobe(int tag,
{
int rc;
BEGIN_FUNC(FCNAME);
+ *flag = NORMAL_PEEK;
rc = MPID_nem_ofi_iprobe(NULL, MPI_ANY_SOURCE, tag, comm, context_offset, flag, status);
END_FUNC(FCNAME);
return rc;
@@ -200,6 +173,7 @@ int MPID_nem_ofi_anysource_improbe(int tag,
{
int rc;
BEGIN_FUNC(FCNAME);
+ *flag = CLAIM_PEEK;
rc = MPID_nem_ofi_improbe(NULL, MPI_ANY_SOURCE, tag, comm,
context_offset, flag, message, status);
END_FUNC(FCNAME);
diff --git a/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_tagged.c b/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_tagged.c
index 23abe0e..c73f618 100644
--- a/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_tagged.c
+++ b/src/mpid/ch3/channels/nemesis/netmod/ofi/ofi_tagged.c
@@ -250,13 +250,25 @@ int MPID_nem_ofi_recv_posted(struct MPIDI_VC *vc, struct MPID_Request *rreq)
/* ---------------- */
/* Post the receive */
/* ---------------- */
- FI_RC(fi_trecv(gl_data.endpoint,
- recv_buffer,
- data_sz,
- gl_data.mr,
- remote_proc,
- match_bits, mask_bits, &(REQ_OFI(rreq)->ofi_context)), trecv);
- MPID_nem_ofi_poll(MPID_NONBLOCKING_POLL);
+ uint64_t msgflags;
+ iovec_t iov;
+ msg_tagged_t msg;
+ iov.iov_base = recv_buffer;
+ iov.iov_len = data_sz;
+ if(REQ_OFI(rreq)->match_state == PEEK_FOUND)
+ msgflags = FI_CLAIM;
+ else
+ msgflags = 0ULL;
+
+ msg.msg_iov = &iov;
+ msg.desc = NULL;
+ msg.iov_count = 1;
+ msg.addr = remote_proc;
+ msg.tag = match_bits;
+ msg.ignore = mask_bits;
+ msg.context = (void *) &(REQ_OFI(rreq)->ofi_context);
+ msg.data = 0;
+ FI_RC(fi_trecvmsg(gl_data.endpoint,&msg,msgflags), trecv);
END_FUNC_RC(FCNAME);
}
-----------------------------------------------------------------------
Summary of changes:
.../ch3/channels/nemesis/netmod/ofi/errnames.txt | 4 +-
.../ch3/channels/nemesis/netmod/ofi/ofi_impl.h | 4 +
.../ch3/channels/nemesis/netmod/ofi/ofi_init.c | 8 +-
.../ch3/channels/nemesis/netmod/ofi/ofi_progress.c | 130 ++++++++------------
.../ch3/channels/nemesis/netmod/ofi/ofi_tagged.c | 26 +++-
5 files changed, 80 insertions(+), 92 deletions(-)
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