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Add Support for Dynamic Symmetric Memory #909

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Add Support for Dynamic Symmetric Memory #909

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e75c949
API: extend memory types and memory map
Jan 16, 2024
c9ebd04
TL/UCP: complete memory map extensions
Jan 25, 2024
20a13af
TEST: update gtest mem map usage
Feb 15, 2024
15403c7
TEST: update mpi test mem map usage
Feb 15, 2024
1649940
API: clarify collective mem map destruction
Feb 20, 2024
7a26248
TL/UCP: convert dyn rva/key/etc to macros
Feb 21, 2024
78ab358
TL/UCP: force enablement of dynamic segments
Feb 21, 2024
cd9d1d2
TL/UCP: add xgvmi usage option
Feb 22, 2024
fef2a37
REVIEW: address feedback
Apr 19, 2024
f66dad7
TL/UCP: ensure backwards compatibility
Jul 29, 2024
2d98f07
TL/UCP: fix dynamic segment lookup
Aug 1, 2024
06aa1f3
REVIEW: address feedback
Aug 1, 2024
0b81c87
REVIEW: address feedback
Aug 19, 2024
d64ea2c
REVIEW: address feedback
Sep 4, 2024
cbce0e2
REVIEW: address feedback (remove API changes)
Oct 21, 2024
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11 changes: 8 additions & 3 deletions src/components/tl/ucp/alltoall/alltoall.c
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Original file line number Diff line number Diff line change
Expand Up @@ -72,8 +72,8 @@ ucc_status_t ucc_tl_ucp_alltoall_pairwise_init(ucc_base_coll_args_t *coll_args,
}

ucc_status_t ucc_tl_ucp_alltoall_onesided_init(ucc_base_coll_args_t *coll_args,
ucc_base_team_t *team,
ucc_coll_task_t **task_h)
ucc_base_team_t *team,
ucc_coll_task_t **task_h)
{
ucc_tl_ucp_team_t *tl_team = ucc_derived_of(team, ucc_tl_ucp_team_t);
ucc_tl_ucp_task_t *task;
Expand All @@ -99,7 +99,12 @@ ucc_status_t ucc_tl_ucp_alltoall_onesided_init(ucc_base_coll_args_t *coll_args,
*task_h = &task->super;
task->super.post = ucc_tl_ucp_alltoall_onesided_start;
task->super.progress = ucc_tl_ucp_alltoall_onesided_progress;
status = UCC_OK;

status = ucc_tl_ucp_coll_dynamic_segment_init(&coll_args->args, task);
if (UCC_OK != status) {
tl_error(UCC_TL_TEAM_LIB(tl_team),
"failed to initialize dynamic segments");
}
out:
return status;
}
22 changes: 16 additions & 6 deletions src/components/tl/ucp/alltoall/alltoall_onesided.c
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Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
#include "alltoall.h"
#include "core/ucc_progress_queue.h"
#include "utils/ucc_math.h"
#include "tl_ucp_coll.h"
#include "tl_ucp_sendrecv.h"

void ucc_tl_ucp_alltoall_onesided_progress(ucc_coll_task_t *ctask);
Expand All @@ -23,24 +24,33 @@ ucc_status_t ucc_tl_ucp_alltoall_onesided_start(ucc_coll_task_t *ctask)
ucc_rank_t grank = UCC_TL_TEAM_RANK(team);
ucc_rank_t gsize = UCC_TL_TEAM_SIZE(team);
ucc_rank_t start = (grank + 1) % gsize;
long * pSync = TASK_ARGS(task).global_work_buffer;
long *pSync = TASK_ARGS(task).global_work_buffer;
ucc_memory_type_t mtype = TASK_ARGS(task).src.info.mem_type;
ucc_rank_t peer;
ucc_status_t status;

ucc_tl_ucp_task_reset(task, UCC_INPROGRESS);
status = ucc_tl_ucp_coll_dynamic_segment_exchange(task);
if (UCC_OK != status) {
task->super.status = status;
goto out;
}

/* TODO: change when support for library-based work buffers is complete */
nelems = (nelems / gsize) * ucc_dt_size(TASK_ARGS(task).src.info.datatype);
dest = dest + grank * nelems;
UCPCHECK_GOTO(ucc_tl_ucp_put_nb((void *)(src + start * nelems),
(void *)dest, nelems, start, team, task),
(void *)dest, nelems, start, mtype, team,
task),
task, out);
UCPCHECK_GOTO(ucc_tl_ucp_atomic_inc(pSync, start, team), task, out);

for (peer = (start + 1) % gsize; peer != start; peer = (peer + 1) % gsize) {
UCPCHECK_GOTO(ucc_tl_ucp_put_nb((void *)(src + peer * nelems),
(void *)dest, nelems, peer, team, task),
(void *)dest, nelems, peer, mtype, team,
task),
task, out);
UCPCHECK_GOTO(ucc_tl_ucp_atomic_inc(pSync, peer, team), task,
out);
UCPCHECK_GOTO(ucc_tl_ucp_atomic_inc(pSync, peer, team), task, out);
}

return ucc_progress_queue_enqueue(UCC_TL_CORE_CTX(team)->pq, &task->super);
Expand All @@ -60,5 +70,5 @@ void ucc_tl_ucp_alltoall_onesided_progress(ucc_coll_task_t *ctask)
}

pSync[0] = 0;
task->super.status = UCC_OK;
task->super.status = ucc_tl_ucp_coll_dynamic_segment_finalize(task);
}
17 changes: 15 additions & 2 deletions src/components/tl/ucp/alltoallv/alltoallv_onesided.c
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Original file line number Diff line number Diff line change
Expand Up @@ -24,10 +24,17 @@ ucc_status_t ucc_tl_ucp_alltoallv_onesided_start(ucc_coll_task_t *ctask)
ucc_aint_t *d_disp = TASK_ARGS(task).dst.info_v.displacements;
size_t sdt_size = ucc_dt_size(TASK_ARGS(task).src.info_v.datatype);
size_t rdt_size = ucc_dt_size(TASK_ARGS(task).dst.info_v.datatype);
ucc_memory_type_t mtype = TASK_ARGS(task).src.info_v.mem_type;
ucc_rank_t peer;
ucc_status_t status;
size_t sd_disp, dd_disp, data_size;

ucc_tl_ucp_task_reset(task, UCC_INPROGRESS);
status = ucc_tl_ucp_coll_dynamic_segment_exchange(task);
if (UCC_OK != status) {
task->super.status = status;
goto out;
}

/* perform a put to each member peer using the peer's index in the
* destination displacement. */
Expand All @@ -46,7 +53,7 @@ ucc_status_t ucc_tl_ucp_alltoallv_onesided_start(ucc_coll_task_t *ctask)

UCPCHECK_GOTO(ucc_tl_ucp_put_nb(PTR_OFFSET(src, sd_disp),
PTR_OFFSET(dest, dd_disp),
data_size, peer, team, task),
data_size, peer, mtype, team, task),
task, out);
UCPCHECK_GOTO(ucc_tl_ucp_atomic_inc(pSync, peer, team), task, out);
}
Expand All @@ -68,6 +75,7 @@ void ucc_tl_ucp_alltoallv_onesided_progress(ucc_coll_task_t *ctask)

pSync[0] = 0;
task->super.status = UCC_OK;
ucc_tl_ucp_coll_dynamic_segment_finalize(task);
}

ucc_status_t ucc_tl_ucp_alltoallv_onesided_init(ucc_base_coll_args_t *coll_args,
Expand Down Expand Up @@ -98,7 +106,12 @@ ucc_status_t ucc_tl_ucp_alltoallv_onesided_init(ucc_base_coll_args_t *coll_args,
*task_h = &task->super;
task->super.post = ucc_tl_ucp_alltoallv_onesided_start;
task->super.progress = ucc_tl_ucp_alltoallv_onesided_progress;
status = UCC_OK;

status = ucc_tl_ucp_coll_dynamic_segment_init(&coll_args->args, task);
if (UCC_OK != status) {
tl_error(UCC_TL_TEAM_LIB(tl_team),
"failed to initialize dynamic segments");
}
out:
return status;
}
18 changes: 15 additions & 3 deletions src/components/tl/ucp/tl_ucp.h
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,12 @@
#define ONESIDED_SYNC_SIZE 1
#define ONESIDED_REDUCE_SIZE 4

typedef enum {
UCC_TL_UCP_DYN_SEG_UPDATE_SRC = UCC_BIT(0),
UCC_TL_UCP_DYN_SEG_UPDATE_DST = UCC_BIT(1),
UCC_TL_UCP_DYN_SEG_UPDATE_GLOBAL = UCC_BIT(2),
} ucc_tl_ucp_dynamic_segment_update_mask_t;

typedef struct ucc_tl_ucp_iface {
ucc_tl_iface_t super;
} ucc_tl_ucp_iface_t;
Expand Down Expand Up @@ -120,11 +126,16 @@ typedef struct ucc_tl_ucp_context {
ucc_tl_ucp_worker_t service_worker;
uint32_t service_worker_throttling_count;
ucc_mpool_t req_mp;
ucc_tl_ucp_remote_info_t * remote_info;
ucc_tl_ucp_remote_info_t *remote_info;
ucp_rkey_h * rkeys;
uint64_t n_rinfo_segs;
uint64_t ucp_memory_types;
int topo_required;
ucc_tl_ucp_remote_info_t *dynamic_remote_info;
void *dyn_seg_buf;
ucp_rkey_h *dyn_rkeys;
size_t dyn_seg_size;
size_t n_dynrinfo_segs;
} ucc_tl_ucp_context_t;
UCC_CLASS_DECLARE(ucc_tl_ucp_context_t, const ucc_base_context_params_t *,
const ucc_base_config_t *);
Expand All @@ -135,8 +146,6 @@ typedef struct ucc_tl_ucp_team {
ucc_status_t status;
uint32_t seq_num;
ucc_tl_ucp_task_t *preconnect_task;
void * va_base[MAX_NR_SEGMENTS];
size_t base_length[MAX_NR_SEGMENTS];
ucc_tl_ucp_worker_t * worker;
ucc_tl_ucp_team_config_t cfg;
const char * tuning_str;
Expand Down Expand Up @@ -190,6 +199,9 @@ extern ucc_config_field_t ucc_tl_ucp_lib_config_table[];
#define UCC_TL_UCP_REMOTE_RKEY(_ctx, _rank, _seg) \
((_ctx)->rkeys[_rank * _ctx->n_rinfo_segs + _seg])

#define UCC_TL_UCP_DYN_REMOTE_RKEY(_ctx, _rank, _seg) \
((_ctx)->dyn_rkeys[_rank * _ctx->n_dynrinfo_segs + _seg])

extern ucs_memory_type_t ucc_memtype_to_ucs[UCC_MEMORY_TYPE_LAST+1];

void ucc_tl_ucp_pre_register_mem(ucc_tl_ucp_team_t *team, void *addr,
Expand Down
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