mirror of https://gitee.com/openkylin/openmpi.git
105 lines
3.8 KiB
C
105 lines
3.8 KiB
C
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/**
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* Copyright (c) 2021 Mellanox Technologies. All rights reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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*/
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#include "coll_ucc_common.h"
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static inline ucc_status_t mca_coll_ucc_allreduce_init(const void *sbuf, void *rbuf, int count,
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struct ompi_datatype_t *dtype,
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struct ompi_op_t *op, mca_coll_ucc_module_t *ucc_module,
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ucc_coll_req_h *req,
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mca_coll_ucc_req_t *coll_req)
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{
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ucc_datatype_t ucc_dt;
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ucc_reduction_op_t ucc_op;
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ucc_dt = ompi_dtype_to_ucc_dtype(dtype);
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ucc_op = ompi_op_to_ucc_op(op);
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if (OPAL_UNLIKELY(COLL_UCC_DT_UNSUPPORTED == ucc_dt)) {
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UCC_VERBOSE(5, "ompi_datatype is not supported: dtype = %s",
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dtype->super.name);
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goto fallback;
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}
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if (OPAL_UNLIKELY(COLL_UCC_OP_UNSUPPORTED == ucc_op)) {
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UCC_VERBOSE(5, "ompi_op is not supported: op = %s",
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op->o_name);
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goto fallback;
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}
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ucc_coll_args_t coll = {
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.mask = 0,
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.coll_type = UCC_COLL_TYPE_ALLREDUCE,
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.src.info = {
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.buffer = (void*)sbuf,
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.count = count,
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.datatype = ucc_dt,
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.mem_type = UCC_MEMORY_TYPE_UNKNOWN
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},
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.dst.info = {
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.buffer = rbuf,
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.count = count,
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.datatype = ucc_dt,
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.mem_type = UCC_MEMORY_TYPE_UNKNOWN
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},
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.op = ucc_op,
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};
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if (MPI_IN_PLACE == sbuf) {
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coll.mask |= UCC_COLL_ARGS_FIELD_FLAGS;
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coll.flags = UCC_COLL_ARGS_FLAG_IN_PLACE;
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}
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COLL_UCC_REQ_INIT(coll_req, req, coll, ucc_module);
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return UCC_OK;
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fallback:
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return UCC_ERR_NOT_SUPPORTED;
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}
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int mca_coll_ucc_allreduce(const void *sbuf, void *rbuf, int count,
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struct ompi_datatype_t *dtype,
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struct ompi_op_t *op, struct ompi_communicator_t *comm,
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mca_coll_base_module_t *module)
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{
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mca_coll_ucc_module_t *ucc_module = (mca_coll_ucc_module_t*)module;
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ucc_coll_req_h req;
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UCC_VERBOSE(3, "running ucc allreduce");
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COLL_UCC_CHECK(mca_coll_ucc_allreduce_init(sbuf, rbuf, count, dtype, op,
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ucc_module, &req, NULL));
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COLL_UCC_POST_AND_CHECK(req);
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COLL_UCC_CHECK(coll_ucc_req_wait(req));
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return OMPI_SUCCESS;
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fallback:
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UCC_VERBOSE(3, "running fallback allreduce");
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return ucc_module->previous_allreduce(sbuf, rbuf, count, dtype, op,
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comm, ucc_module->previous_allreduce_module);
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}
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int mca_coll_ucc_iallreduce(const void *sbuf, void *rbuf, int count,
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struct ompi_datatype_t *dtype,
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struct ompi_op_t *op, struct ompi_communicator_t *comm,
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ompi_request_t** request,
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mca_coll_base_module_t *module)
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{
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mca_coll_ucc_module_t *ucc_module = (mca_coll_ucc_module_t*)module;
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ucc_coll_req_h req;
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mca_coll_ucc_req_t *coll_req = NULL;
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UCC_VERBOSE(3, "running ucc iallreduce");
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COLL_UCC_GET_REQ(coll_req);
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COLL_UCC_CHECK(mca_coll_ucc_allreduce_init(sbuf, rbuf, count, dtype, op,
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ucc_module, &req, coll_req));
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COLL_UCC_POST_AND_CHECK(req);
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*request = &coll_req->super;
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return OMPI_SUCCESS;
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fallback:
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UCC_VERBOSE(3, "running fallback iallreduce");
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if (coll_req) {
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mca_coll_ucc_req_free((ompi_request_t **)&coll_req);
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}
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return ucc_module->previous_iallreduce(sbuf, rbuf, count, dtype, op,
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comm, request, ucc_module->previous_iallreduce_module);
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}
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