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|
/*
* Copyright (c) 2015 Sandia National Laboratories. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include "opal/util/bit_ops.h"
#include "ompi/constants.h"
#include "ompi/datatype/ompi_datatype.h"
#include "ompi/mca/coll/base/base.h"
#include "ompi/mca/coll/coll.h"
#include "ompi/mca/pml/pml.h"
#include "coll_portals4.h"
#include "coll_portals4_request.h"
#undef RTR_USES_TRIGGERED_PUT
#define VRANK(ra, ro, si) ((ra - ro + si) % si)
static int
setup_scatter_buffers_linear(struct ompi_communicator_t *comm,
ompi_coll_portals4_request_t *request,
mca_coll_portals4_module_t *portals4_module)
{
int ret, line;
int8_t i_am_root = (request->u.scatter.my_rank == request->u.scatter.root_rank);
ompi_coll_portals4_create_send_converter (&request->u.scatter.send_converter,
request->u.scatter.pack_src_buf,
ompi_comm_peer_lookup(comm, request->u.scatter.my_rank),
request->u.scatter.pack_src_count,
request->u.scatter.pack_src_dtype);
opal_convertor_get_packed_size(&request->u.scatter.send_converter, &request->u.scatter.packed_size);
OBJ_DESTRUCT(&request->u.scatter.send_converter);
/**********************************/
/* Setup Scatter Buffers */
/**********************************/
if (i_am_root) {
/*
* calculate the total size of the packed data
*/
request->u.scatter.scatter_bytes=request->u.scatter.packed_size * (ptrdiff_t)request->u.scatter.size;
/* all transfers done using request->u.scatter.sdtype.
* allocate temp buffer for recv, copy and/or rotate data at the end */
request->u.scatter.scatter_buf = (char *) malloc(request->u.scatter.scatter_bytes);
if (NULL == request->u.scatter.scatter_buf) {
ret = OMPI_ERR_OUT_OF_RESOURCE; line = __LINE__; goto err_hdlr;
}
request->u.scatter.free_after = 1;
for (int32_t i=0;i<request->u.scatter.size;i++) {
uint32_t iov_count = 1;
struct iovec iov;
size_t max_data;
uint64_t offset = request->u.scatter.pack_src_extent * request->u.scatter.pack_src_count * i;
opal_output_verbose(30, ompi_coll_base_framework.framework_output,
"%s:%d:rank(%d): offset(%lu)",
__FILE__, __LINE__, request->u.scatter.my_rank,
offset);
ompi_coll_portals4_create_send_converter (&request->u.scatter.send_converter,
request->u.scatter.pack_src_buf + offset,
ompi_comm_peer_lookup(comm, request->u.scatter.my_rank),
request->u.scatter.pack_src_count,
request->u.scatter.pack_src_dtype);
iov.iov_len = request->u.scatter.packed_size;
iov.iov_base = (IOVBASE_TYPE *) ((char *)request->u.scatter.scatter_buf + (request->u.scatter.packed_size*i));
opal_convertor_pack(&request->u.scatter.send_converter, &iov, &iov_count, &max_data);
OBJ_DESTRUCT(&request->u.scatter.send_converter);
}
opal_output_verbose(30, ompi_coll_base_framework.framework_output,
"%s:%d:rank(%d): root - scatter_buf(%p) - scatter_bytes(%lu)=packed_size(%ld) * size(%d)",
__FILE__, __LINE__, request->u.scatter.my_rank,
request->u.scatter.scatter_buf, request->u.scatter.scatter_bytes,
request->u.scatter.packed_size, request->u.scatter.size);
} else {
request->u.scatter.scatter_bytes=request->u.scatter.packed_size;
request->u.scatter.scatter_buf = (char *) malloc(request->u.scatter.scatter_bytes);
if (NULL == request->u.scatter.scatter_buf) {
ret = OMPI_ERR_OUT_OF_RESOURCE; line = __LINE__; goto err_hdlr;
}
request->u.scatter.free_after = 1;
opal_output_verbose(30, ompi_coll_base_framework.framework_output,
"%s:%d:rank(%d): leaf - scatter_buf(%p) - scatter_bytes(%lu)=packed_size(%ld)",
__FILE__, __LINE__, request->u.scatter.my_rank,
request->u.scatter.scatter_buf, request->u.scatter.scatter_bytes,
request->u.scatter.packed_size);
}
return OMPI_SUCCESS;
err_hdlr:
opal_output(ompi_coll_base_framework.framework_output,
"%s:%4d:%4d\tError occurred ret=%d, rank %2d",
__FILE__, __LINE__, line, ret, request->u.scatter.my_rank);
return ret;
}
static int
setup_scatter_handles(struct ompi_communicator_t *comm,
ompi_coll_portals4_request_t *request,
mca_coll_portals4_module_t *portals4_module)
{
int ret, line;
ptl_me_t me;
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:setup_scatter_handles enter rank %d", request->u.scatter.my_rank));
/**********************************/
/* Setup Scatter Handles */
/**********************************/
COLL_PORTALS4_SET_BITS(request->u.scatter.scatter_match_bits, ompi_comm_get_local_cid(comm),
0, 0, COLL_PORTALS4_SCATTER, 0, request->u.scatter.coll_count);
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:setup_scatter_handles rank(%d) scatter_match_bits(0x%016lX)",
request->u.scatter.my_rank, request->u.scatter.scatter_match_bits));
ret = PtlCTAlloc(mca_coll_portals4_component.ni_h,
&request->u.scatter.scatter_cth);
if (PTL_OK != ret) { ret = OMPI_ERR_TEMP_OUT_OF_RESOURCE; line = __LINE__; goto err_hdlr; }
request->u.scatter.scatter_mdh = mca_coll_portals4_component.data_md_h;
me.start = request->u.scatter.scatter_buf;
me.length = request->u.scatter.scatter_bytes;
me.ct_handle = request->u.scatter.scatter_cth;
me.min_free = 0;
me.uid = mca_coll_portals4_component.uid;
me.options = PTL_ME_OP_PUT | PTL_ME_EVENT_SUCCESS_DISABLE |
PTL_ME_EVENT_LINK_DISABLE | PTL_ME_EVENT_UNLINK_DISABLE |
PTL_ME_EVENT_CT_COMM;
me.match_id.phys.nid = PTL_NID_ANY;
me.match_id.phys.pid = PTL_PID_ANY;
me.match_bits = request->u.scatter.scatter_match_bits;
me.ignore_bits = 0;
ret = PtlMEAppend(mca_coll_portals4_component.ni_h,
mca_coll_portals4_component.pt_idx,
&me,
PTL_PRIORITY_LIST,
NULL,
&request->u.scatter.scatter_meh);
if (PTL_OK != ret) { ret = OMPI_ERROR; line = __LINE__; goto err_hdlr; }
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:setup_scatter_handles exit rank %d", request->u.scatter.my_rank));
return OMPI_SUCCESS;
err_hdlr:
opal_output(ompi_coll_base_framework.framework_output,
"%s:%4d:%4d\tError occurred ret=%d, rank %2d",
__FILE__, __LINE__, line, ret, request->u.scatter.my_rank);
return ret;
}
static int
setup_sync_handles(struct ompi_communicator_t *comm,
ompi_coll_portals4_request_t *request,
mca_coll_portals4_module_t *portals4_module)
{
int ret, line;
ptl_me_t me;
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:setup_sync_handles enter rank %d", request->u.scatter.my_rank));
/**********************************/
/* Setup Sync Handles */
/**********************************/
COLL_PORTALS4_SET_BITS(request->u.scatter.sync_match_bits, ompi_comm_get_local_cid(comm),
0, 1, COLL_PORTALS4_SCATTER, 0, request->u.scatter.coll_count);
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:setup_sync_handles rank(%d) sync_match_bits(0x%016lX)",
request->u.scatter.my_rank, request->u.scatter.sync_match_bits));
ret = PtlCTAlloc(mca_coll_portals4_component.ni_h,
&request->u.scatter.sync_cth);
if (PTL_OK != ret) { ret = OMPI_ERR_TEMP_OUT_OF_RESOURCE; line = __LINE__; goto err_hdlr; }
request->u.scatter.sync_mdh = mca_coll_portals4_component.zero_md_h;
me.start = NULL;
me.length = 0;
me.ct_handle = request->u.scatter.sync_cth;
me.min_free = 0;
me.uid = mca_coll_portals4_component.uid;
me.options = PTL_ME_OP_PUT | PTL_ME_EVENT_SUCCESS_DISABLE |
PTL_ME_EVENT_LINK_DISABLE | PTL_ME_EVENT_UNLINK_DISABLE |
PTL_ME_EVENT_CT_COMM | PTL_ME_EVENT_CT_OVERFLOW;
me.match_id.phys.nid = PTL_NID_ANY;
me.match_id.phys.pid = PTL_PID_ANY;
me.match_bits = request->u.scatter.sync_match_bits;
me.ignore_bits = 0;
ret = PtlMEAppend(mca_coll_portals4_component.ni_h,
mca_coll_portals4_component.pt_idx,
&me,
PTL_PRIORITY_LIST,
NULL,
&request->u.scatter.sync_meh);
if (PTL_OK != ret) { ret = OMPI_ERROR; line = __LINE__; goto err_hdlr; }
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:setup_sync_handles exit rank %d", request->u.scatter.my_rank));
return OMPI_SUCCESS;
err_hdlr:
opal_output(ompi_coll_base_framework.framework_output,
"%s:%4d:%4d\tError occurred ret=%d, rank %2d",
__FILE__, __LINE__, line, ret, request->u.scatter.my_rank);
return ret;
}
static int
cleanup_scatter_handles(ompi_coll_portals4_request_t *request)
{
int ret, line;
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:cleanup_scatter_handles enter rank %d", request->u.scatter.my_rank));
/**********************************/
/* Cleanup Scatter Handles */
/**********************************/
do {
ret = PtlMEUnlink(request->u.scatter.scatter_meh);
} while (PTL_IN_USE == ret);
if (PTL_OK != ret) { ret = OMPI_ERROR; line = __LINE__; goto err_hdlr; }
ret = PtlCTFree(request->u.scatter.scatter_cth);
if (PTL_OK != ret) { ret = OMPI_ERROR; line = __LINE__; goto err_hdlr; }
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:cleanup_scatter_handles exit rank %d", request->u.scatter.my_rank));
return OMPI_SUCCESS;
err_hdlr:
opal_output(ompi_coll_base_framework.framework_output,
"%s:%4d:%4d\tError occurred ret=%d, rank %2d",
__FILE__, __LINE__, line, ret, request->u.scatter.my_rank);
return ret;
}
static int
cleanup_sync_handles(ompi_coll_portals4_request_t *request)
{
int ret, line;
int ptl_ret;
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:cleanup_sync_handles enter rank %d", request->u.scatter.my_rank));
/**********************************/
/* Cleanup Sync Handles */
/**********************************/
do {
ret = PtlMEUnlink(request->u.scatter.sync_meh);
} while (PTL_IN_USE == ret);
if (PTL_OK != ret) { ptl_ret = ret; ret = OMPI_ERROR; line = __LINE__; goto err_hdlr; }
ret = PtlCTFree(request->u.scatter.sync_cth);
if (PTL_OK != ret) { ptl_ret = ret; ret = OMPI_ERROR; line = __LINE__; goto err_hdlr; }
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:cleanup_sync_handles exit rank %d", request->u.scatter.my_rank));
return OMPI_SUCCESS;
err_hdlr:
opal_output(ompi_coll_base_framework.framework_output,
"%s:%4d:%4d\tError occurred (ptl_ret=%d) ret=%d, rank %2d",
__FILE__, __LINE__, line, ptl_ret, ret, request->u.scatter.my_rank);
return ret;
}
static int
ompi_coll_portals4_scatter_intra_linear_top(const void *sbuf, int scount, struct ompi_datatype_t *sdtype,
void *rbuf, int rcount, struct ompi_datatype_t *rdtype,
int root,
struct ompi_communicator_t *comm,
ompi_coll_portals4_request_t *request,
mca_coll_base_module_t *module)
{
mca_coll_portals4_module_t *portals4_module = (mca_coll_portals4_module_t*) module;
int ret, line;
ptl_ct_event_t ct;
ptl_ct_event_t sync_incr_event;
int8_t i_am_root;
int32_t expected_rtrs = 0;
int32_t expected_puts = 0;
int32_t expected_acks = 0;
int32_t expected_ops = 0;
int32_t expected_chained_rtrs = 0;
int32_t expected_chained_acks = 0;
ptl_size_t number_of_fragment = 1;
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:scatter_intra_linear_top enter rank %d", request->u.scatter.my_rank));
request->type = OMPI_COLL_PORTALS4_TYPE_SCATTER;
request->u.scatter.scatter_buf = NULL;
request->u.scatter.scatter_mdh = PTL_INVALID_HANDLE;
request->u.scatter.scatter_cth = PTL_INVALID_HANDLE;
request->u.scatter.scatter_meh = PTL_INVALID_HANDLE;
request->u.scatter.sync_mdh = PTL_INVALID_HANDLE;
request->u.scatter.sync_cth = PTL_INVALID_HANDLE;
request->u.scatter.sync_meh = PTL_INVALID_HANDLE;
request->u.scatter.my_rank = ompi_comm_rank(comm);
request->u.scatter.size = ompi_comm_size(comm);
request->u.scatter.root_rank = root;
request->u.scatter.sbuf = sbuf;
request->u.scatter.rbuf = rbuf;
request->u.scatter.pack_src_buf = sbuf;
request->u.scatter.pack_src_count = scount;
request->u.scatter.pack_src_dtype = sdtype;
ompi_datatype_get_extent(request->u.scatter.pack_src_dtype,
&request->u.scatter.pack_src_lb,
&request->u.scatter.pack_src_extent);
ompi_datatype_get_true_extent(request->u.scatter.pack_src_dtype,
&request->u.scatter.pack_src_true_lb,
&request->u.scatter.pack_src_true_extent);
if ((root == request->u.scatter.my_rank) && (rbuf == MPI_IN_PLACE)) {
request->u.scatter.unpack_dst_buf = NULL;
request->u.scatter.unpack_dst_count = 0;
request->u.scatter.unpack_dst_dtype = MPI_DATATYPE_NULL;
} else {
request->u.scatter.unpack_dst_buf = rbuf;
request->u.scatter.unpack_dst_count = rcount;
request->u.scatter.unpack_dst_dtype = rdtype;
request->u.scatter.unpack_dst_offset = 0;
ompi_datatype_get_extent(request->u.scatter.unpack_dst_dtype,
&request->u.scatter.unpack_dst_lb,
&request->u.scatter.unpack_dst_extent);
ompi_datatype_get_true_extent(request->u.scatter.unpack_dst_dtype,
&request->u.scatter.unpack_dst_true_lb,
&request->u.scatter.unpack_dst_true_extent);
}
opal_output_verbose(30, ompi_coll_base_framework.framework_output,
"%s:%d:rank(%d): request->u.scatter.unpack_dst_offset(%lu)",
__FILE__, __LINE__, request->u.scatter.my_rank,
request->u.scatter.unpack_dst_offset);
/**********************************/
/* Setup Common Parameters */
/**********************************/
i_am_root = (request->u.scatter.my_rank == request->u.scatter.root_rank);
request->u.scatter.coll_count = opal_atomic_add_fetch_size_t(&portals4_module->coll_count, 1);
ret = setup_scatter_buffers_linear(comm, request, portals4_module);
if (MPI_SUCCESS != ret) { line = __LINE__; goto err_hdlr; }
ret = setup_scatter_handles(comm, request, portals4_module);
if (MPI_SUCCESS != ret) { line = __LINE__; goto err_hdlr; }
ret = setup_sync_handles(comm, request, portals4_module);
if (MPI_SUCCESS != ret) { line = __LINE__; goto err_hdlr; }
number_of_fragment = (request->u.scatter.packed_size > mca_coll_portals4_component.ni_limits.max_msg_size) ?
(request->u.scatter.packed_size + mca_coll_portals4_component.ni_limits.max_msg_size - 1) / mca_coll_portals4_component.ni_limits.max_msg_size :
1;
opal_output_verbose(90, ompi_coll_base_framework.framework_output,
"%s:%d:rank %d:number_of_fragment = %lu",
__FILE__, __LINE__, request->u.scatter.my_rank, number_of_fragment);
/**********************************/
/* do the scatter */
/**********************************/
if (i_am_root) {
/* operations on the sync counter */
expected_rtrs = request->u.scatter.size - 1; /* expect RTRs from non-root ranks */
expected_acks = request->u.scatter.size - 1; /* expect Recv-ACKs from non-root ranks */
/* operations on the scatter counter */
expected_puts = 0;
expected_chained_rtrs = 1;
expected_chained_acks = 1;
/* Chain the RTR and Recv-ACK to the Scatter CT */
sync_incr_event.success=1;
sync_incr_event.failure=0;
ret = PtlTriggeredCTInc(request->u.scatter.scatter_cth,
sync_incr_event,
request->u.scatter.sync_cth,
expected_rtrs);
if (PTL_OK != ret) { ret = OMPI_ERROR; line = __LINE__; goto err_hdlr; }
ret = PtlTriggeredCTInc(request->u.scatter.scatter_cth,
sync_incr_event,
request->u.scatter.sync_cth,
expected_rtrs + expected_acks);
if (PTL_OK != ret) { ret = OMPI_ERROR; line = __LINE__; goto err_hdlr; }
/* root, so put packed bytes to other ranks */
for (int32_t i=0;i<request->u.scatter.size;i++) {
/* do not put to my scatter_buf. my data gets unpacked into my out buffer in linear_bottom(). */
if (i == request->u.scatter.my_rank) {
continue;
}
ptl_size_t offset = request->u.scatter.packed_size * i;
ptl_size_t size_sent = 0;
ptl_size_t size_left = request->u.scatter.packed_size;
opal_output_verbose(10, ompi_coll_base_framework.framework_output,
"%s:%d:rank(%d): offset(%lu)=rank(%d) * packed_size(%ld)",
__FILE__, __LINE__, request->u.scatter.my_rank,
offset, i, request->u.scatter.packed_size);
for (ptl_size_t j=0; j<number_of_fragment; j++) {
ptl_size_t frag_size = (size_left > mca_coll_portals4_component.ni_limits.max_msg_size) ?
mca_coll_portals4_component.ni_limits.max_msg_size :
size_left;
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"%s:%d:rank(%d): frag(%lu),offset_frag (%lu) frag_size(%lu)",
__FILE__, __LINE__, request->u.scatter.my_rank,
j, size_sent, frag_size));
ret = PtlTriggeredPut(request->u.scatter.scatter_mdh,
(ptl_size_t)request->u.scatter.scatter_buf + offset + size_sent,
frag_size,
PTL_NO_ACK_REQ,
ompi_coll_portals4_get_peer(comm, i),
mca_coll_portals4_component.pt_idx,
request->u.scatter.scatter_match_bits,
size_sent,
NULL,
0,
request->u.scatter.scatter_cth,
expected_chained_rtrs);
if (PTL_OK != ret) { ret = OMPI_ERROR; line = __LINE__; goto err_hdlr; }
size_left -= frag_size;
size_sent += frag_size;
}
}
} else {
/* non-root, so do nothing */
/* operations on the sync counter */
expected_rtrs = 0;
expected_acks = 0;
/* operations on the scatter counter */
expected_puts = number_of_fragment; /* scatter put from root */
expected_chained_rtrs = 0;
expected_chained_acks = 0;
}
expected_ops = expected_chained_rtrs + expected_puts;
/**********************************************/
/* only non-root ranks are PUT to, so only */
/* non-root ranks must PUT a Recv-ACK to root */
/**********************************************/
if (!i_am_root) {
ret = PtlTriggeredPut(request->u.scatter.sync_mdh,
0,
0,
PTL_NO_ACK_REQ,
ompi_coll_portals4_get_peer(comm, request->u.scatter.root_rank),
mca_coll_portals4_component.pt_idx,
request->u.scatter.sync_match_bits,
0,
NULL,
0,
request->u.scatter.scatter_cth,
expected_ops);
if (PTL_OK != ret) { ret = OMPI_ERROR; line = __LINE__; goto err_hdlr; }
}
expected_ops += expected_chained_acks;
if (!request->u.scatter.is_sync) {
/******************************************/
/* put to finish pt when all ops complete */
/******************************************/
ret = PtlTriggeredPut(mca_coll_portals4_component.zero_md_h,
0,
0,
PTL_NO_ACK_REQ,
ompi_coll_portals4_get_peer(comm, request->u.scatter.my_rank),
mca_coll_portals4_component.finish_pt_idx,
0,
0,
NULL,
(uintptr_t) request,
request->u.scatter.scatter_cth,
expected_ops);
if (PTL_OK != ret) { ret = OMPI_ERROR; line = __LINE__; goto err_hdlr; }
}
/**************************************/
/* all non-root ranks put RTR to root */
/**************************************/
if (!i_am_root) {
ret = PtlPut(request->u.scatter.sync_mdh,
0,
0,
PTL_NO_ACK_REQ,
ompi_coll_portals4_get_peer(comm, request->u.scatter.root_rank),
mca_coll_portals4_component.pt_idx,
request->u.scatter.sync_match_bits,
0,
NULL,
0);
if (PTL_OK != ret) { ret = OMPI_ERROR; line = __LINE__; goto err_hdlr; }
}
if (request->u.scatter.is_sync) {
opal_output_verbose(1, ompi_coll_base_framework.framework_output,
"calling CTWait(expected_ops=%d)\n", expected_ops);
/********************************/
/* Wait for all ops to complete */
/********************************/
ret = PtlCTWait(request->u.scatter.scatter_cth, expected_ops, &ct);
if (PTL_OK != ret) { ret = OMPI_ERROR; line = __LINE__; goto err_hdlr; }
opal_output_verbose(1, ompi_coll_base_framework.framework_output,
"completed CTWait(expected_ops=%d)\n", expected_ops);
}
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:scatter_intra_linear_top exit rank %d", request->u.scatter.my_rank));
return OMPI_SUCCESS;
err_hdlr:
if (NULL != request->u.scatter.scatter_buf)
free(request->u.scatter.scatter_buf);
opal_output(ompi_coll_base_framework.framework_output,
"%s:%4d:%4d\tError occurred ret=%d, rank %2d",
__FILE__, __LINE__, line, ret, request->u.scatter.my_rank);
return ret;
}
static int
ompi_coll_portals4_scatter_intra_linear_bottom(struct ompi_communicator_t *comm,
ompi_coll_portals4_request_t *request)
{
int ret, line;
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:scatter_intra_linear_bottom enter rank %d", request->u.scatter.my_rank));
ret = cleanup_scatter_handles(request);
if (MPI_SUCCESS != ret) { line = __LINE__; goto err_hdlr; }
ret = cleanup_sync_handles(request);
if (MPI_SUCCESS != ret) { line = __LINE__; goto err_hdlr; }
if (NULL != request->u.scatter.unpack_dst_buf) {
uint32_t iov_count = 1;
struct iovec iov;
size_t max_data;
ompi_coll_portals4_create_recv_converter (&request->u.scatter.recv_converter,
request->u.scatter.unpack_dst_buf,
ompi_comm_peer_lookup(comm, request->u.scatter.my_rank),
request->u.scatter.unpack_dst_count,
request->u.scatter.unpack_dst_dtype);
iov.iov_len = request->u.scatter.packed_size;
if (request->u.scatter.my_rank == request->u.scatter.root_rank) {
/* unpack my data from the location in scatter_buf where is was packed */
uint64_t offset = request->u.scatter.pack_src_extent * request->u.scatter.pack_src_count * request->u.scatter.my_rank;
iov.iov_base = (IOVBASE_TYPE *)((char *)request->u.scatter.scatter_buf + offset);
} else {
iov.iov_base = (IOVBASE_TYPE *)request->u.scatter.scatter_buf;
}
opal_convertor_unpack(&request->u.scatter.recv_converter, &iov, &iov_count, &max_data);
OBJ_DESTRUCT(&request->u.scatter.recv_converter);
}
if (request->u.scatter.free_after)
free(request->u.scatter.scatter_buf);
request->super.req_status.MPI_ERROR = OMPI_SUCCESS;
ompi_request_complete(&request->super, true);
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:scatter_intra_linear_bottom exit rank %d", request->u.scatter.my_rank));
return OMPI_SUCCESS;
err_hdlr:
request->super.req_status.MPI_ERROR = ret;
if (request->u.scatter.free_after)
free(request->u.scatter.scatter_buf);
opal_output(ompi_coll_base_framework.framework_output,
"%s:%4d:%4d\tError occurred ret=%d, rank %2d",
__FILE__, __LINE__, line, ret, request->u.scatter.my_rank);
return ret;
}
int
ompi_coll_portals4_scatter_intra(const void *sbuf, int scount, struct ompi_datatype_t *sdtype,
void *rbuf, int rcount, struct ompi_datatype_t *rdtype,
int root,
struct ompi_communicator_t *comm,
mca_coll_base_module_t *module)
{
int ret, line;
ompi_coll_portals4_request_t *request;
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:scatter_intra enter rank %d", ompi_comm_rank(comm)));
/*
* allocate a portals4 request
*/
OMPI_COLL_PORTALS4_REQUEST_ALLOC(comm, request);
if (NULL == request) {
ret = OMPI_ERR_TEMP_OUT_OF_RESOURCE; line = __LINE__; goto err_hdlr;
}
request->u.scatter.is_sync = 1;
/*
* initiate the scatter
*
* this request is marked synchronous (is_sync==1), so PtlCTWait()
* will be called to wait for completion.
*/
ret = ompi_coll_portals4_scatter_intra_linear_top(sbuf, scount, sdtype,
rbuf, rcount, rdtype,
root,
comm,
request,
module);
if (MPI_SUCCESS != ret) { line = __LINE__; goto err_hdlr; }
ret = ompi_coll_portals4_scatter_intra_linear_bottom(comm, request);
if (MPI_SUCCESS != ret) { line = __LINE__; goto err_hdlr; }
/*
* return the portals4 request
*/
OMPI_COLL_PORTALS4_REQUEST_RETURN(request);
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:scatter_intra exit rank %d", request->u.scatter.my_rank));
return OMPI_SUCCESS;
err_hdlr:
opal_output(ompi_coll_base_framework.framework_output,
"%s:%4d:%4d\tError occurred ret=%d, rank %2d",
__FILE__, __LINE__, line, ret, request->u.scatter.my_rank);
return ret;
}
int
ompi_coll_portals4_iscatter_intra(const void *sbuf, int scount, struct ompi_datatype_t *sdtype,
void *rbuf, int rcount, struct ompi_datatype_t *rdtype,
int root,
struct ompi_communicator_t *comm,
ompi_request_t **ompi_request,
mca_coll_base_module_t *module)
{
int ret, line;
ompi_coll_portals4_request_t *request;
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:iscatter_intra enter rank %d", ompi_comm_rank(comm)));
/*
* allocate a portals4 request
*/
OMPI_COLL_PORTALS4_REQUEST_ALLOC(comm, request);
if (NULL == request) {
ret = OMPI_ERR_TEMP_OUT_OF_RESOURCE; line = __LINE__; goto err_hdlr;
}
*ompi_request = &request->super;
request->u.scatter.is_sync = 0;
/*
* initiate the scatter
*
* this request is marked asynchronous (is_sync==0), so
* portals4_progress() will handle completion.
*/
ret = ompi_coll_portals4_scatter_intra_linear_top(sbuf, scount, sdtype,
rbuf, rcount, rdtype,
root,
comm,
request,
module);
if (MPI_SUCCESS != ret) { line = __LINE__; goto err_hdlr; }
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:iscatter_intra exit rank %d", request->u.scatter.my_rank));
return OMPI_SUCCESS;
err_hdlr:
opal_output(ompi_coll_base_framework.framework_output,
"%s:%4d:%4d\tError occurred ret=%d, rank %2d",
__FILE__, __LINE__, line, ret, request->u.scatter.my_rank);
return ret;
}
int
ompi_coll_portals4_iscatter_intra_fini(ompi_coll_portals4_request_t *request)
{
int ret, line;
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:iscatter_intra_fini enter rank %d", request->u.scatter.my_rank));
/*
* cleanup the scatter
*/
ret = ompi_coll_portals4_scatter_intra_linear_bottom(request->super.req_mpi_object.comm, request);
if (MPI_SUCCESS != ret) { line = __LINE__; goto err_hdlr; }
OPAL_OUTPUT_VERBOSE((10, ompi_coll_base_framework.framework_output,
"coll:portals4:iscatter_intra_fini exit rank %d", request->u.scatter.my_rank));
return OMPI_SUCCESS;
err_hdlr:
opal_output(ompi_coll_base_framework.framework_output,
"%s:%4d:%4d\tError occurred ret=%d, rank %2d",
__FILE__, __LINE__, line, ret, request->u.scatter.my_rank);
return ret;
}
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