-
Notifications
You must be signed in to change notification settings - Fork 864
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
v4.1.x: coll/ucc: add reduce scatter block
Signed-off-by: Sergey Lebedev <sergeyle@nvidia.com> bot:notacherrypick
- Loading branch information
1 parent
cbf1a6d
commit 5e05bae
Showing
5 changed files
with
226 additions
and
79 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,117 @@ | ||
| /** | ||
| * Copyright (c) 2021 Mellanox Technologies. All rights reserved. | ||
| * Copyright (c) 2022 NVIDIA Corporation. All rights reserved. | ||
| * $COPYRIGHT$ | ||
| * | ||
| * Additional copyrights may follow | ||
| * | ||
| */ | ||
|
|
||
| #include "coll_ucc_common.h" | ||
|
|
||
| static inline | ||
| ucc_status_t mca_coll_ucc_reduce_scatter_block_init(const void *sbuf, void *rbuf, | ||
| size_t rcount, | ||
| struct ompi_datatype_t *dtype, | ||
| struct ompi_op_t *op, | ||
| mca_coll_ucc_module_t *ucc_module, | ||
| ucc_coll_req_h *req, | ||
| mca_coll_ucc_req_t *coll_req) | ||
| { | ||
| ucc_datatype_t ucc_dt; | ||
| ucc_reduction_op_t ucc_op; | ||
| int comm_size = ompi_comm_size(ucc_module->comm); | ||
|
|
||
| if (MPI_IN_PLACE == sbuf) { | ||
| /* TODO: UCC defines inplace differently: | ||
| data in rbuf of rank R is shifted by R * rcount */ | ||
| UCC_VERBOSE(5, "inplace reduce_scatter_block is not supported"); | ||
| return UCC_ERR_NOT_SUPPORTED; | ||
| } | ||
| ucc_dt = ompi_dtype_to_ucc_dtype(dtype); | ||
| ucc_op = ompi_op_to_ucc_op(op); | ||
| if (OPAL_UNLIKELY(COLL_UCC_DT_UNSUPPORTED == ucc_dt)) { | ||
| UCC_VERBOSE(5, "ompi_datatype is not supported: dtype = %s", | ||
| dtype->super.name); | ||
| goto fallback; | ||
| } | ||
| if (OPAL_UNLIKELY(COLL_UCC_OP_UNSUPPORTED == ucc_op)) { | ||
| UCC_VERBOSE(5, "ompi_op is not supported: op = %s", | ||
| op->o_name); | ||
| goto fallback; | ||
| } | ||
| ucc_coll_args_t coll = { | ||
| .mask = 0, | ||
| .flags = 0, | ||
| .coll_type = UCC_COLL_TYPE_REDUCE_SCATTER, | ||
| .src.info = { | ||
| .buffer = (void*)sbuf, | ||
| .count = ((size_t)rcount) * comm_size, | ||
| .datatype = ucc_dt, | ||
| .mem_type = UCC_MEMORY_TYPE_UNKNOWN | ||
| }, | ||
| .dst.info = { | ||
| .buffer = rbuf, | ||
| .count = rcount, | ||
| .datatype = ucc_dt, | ||
| .mem_type = UCC_MEMORY_TYPE_UNKNOWN | ||
| }, | ||
| .op = ucc_op, | ||
| }; | ||
| COLL_UCC_REQ_INIT(coll_req, req, coll, ucc_module); | ||
| return UCC_OK; | ||
| fallback: | ||
| return UCC_ERR_NOT_SUPPORTED; | ||
| } | ||
|
|
||
| int mca_coll_ucc_reduce_scatter_block(const void *sbuf, void *rbuf, int rcount, | ||
| struct ompi_datatype_t *dtype, | ||
| struct ompi_op_t *op, | ||
| struct ompi_communicator_t *comm, | ||
| mca_coll_base_module_t *module) | ||
| { | ||
| mca_coll_ucc_module_t *ucc_module = (mca_coll_ucc_module_t*)module; | ||
| ucc_coll_req_h req; | ||
|
|
||
| UCC_VERBOSE(3, "running ucc reduce scatter block"); | ||
| COLL_UCC_CHECK(mca_coll_ucc_reduce_scatter_block_init(sbuf, rbuf, rcount, | ||
| dtype, op, ucc_module, | ||
| &req, NULL)); | ||
| COLL_UCC_POST_AND_CHECK(req); | ||
| COLL_UCC_CHECK(coll_ucc_req_wait(req)); | ||
| return OMPI_SUCCESS; | ||
| fallback: | ||
| UCC_VERBOSE(3, "running fallback reduce_scatter_block"); | ||
| return ucc_module->previous_reduce_scatter_block(sbuf, rbuf, rcount, dtype, | ||
| op, comm, | ||
| ucc_module->previous_reduce_scatter_block_module); | ||
| } | ||
|
|
||
| int mca_coll_ucc_ireduce_scatter_block(const void *sbuf, void *rbuf, int rcount, | ||
| struct ompi_datatype_t *dtype, | ||
| struct ompi_op_t *op, | ||
| struct ompi_communicator_t *comm, | ||
| ompi_request_t** request, | ||
| mca_coll_base_module_t *module) | ||
| { | ||
| mca_coll_ucc_module_t *ucc_module = (mca_coll_ucc_module_t*)module; | ||
| ucc_coll_req_h req; | ||
| mca_coll_ucc_req_t *coll_req = NULL; | ||
|
|
||
| UCC_VERBOSE(3, "running ucc ireduce_scatter_block"); | ||
| COLL_UCC_GET_REQ(coll_req); | ||
| COLL_UCC_CHECK(mca_coll_ucc_reduce_scatter_block_init(sbuf, rbuf, rcount, | ||
| dtype, op, ucc_module, | ||
| &req, coll_req)); | ||
| COLL_UCC_POST_AND_CHECK(req); | ||
| *request = &coll_req->super; | ||
| return OMPI_SUCCESS; | ||
| fallback: | ||
| UCC_VERBOSE(3, "running fallback ireduce_scatter_block"); | ||
| if (coll_req) { | ||
| mca_coll_ucc_req_free((ompi_request_t **)&coll_req); | ||
| } | ||
| return ucc_module->previous_ireduce_scatter_block(sbuf, rbuf, rcount, dtype, | ||
| op, comm, request, | ||
| ucc_module->previous_ireduce_scatter_block_module); | ||
| } |