Merge pull request #1315 from alex-mikheev/topic/oshmem_ucx_atomic

OSHMEM/UCX: implements atomic support

oshmem/mca/atomic/basic/atomic_basic_fadd.c

@@ -27,12 +27,6 @@ int mca_atomic_basic_fadd(void *target,
                           struct oshmem_op_t *op)
 {
     int rc = OSHMEM_SUCCESS;
-
-    if (!target || !value) {
-        rc = OSHMEM_ERROR;
-    }
-
-    if (rc == OSHMEM_SUCCESS) {
     long long temp_value = 0;
 
     atomic_basic_lock(pe);
@@ -52,7 +46,6 @@ int mca_atomic_basic_fadd(void *target,
     }
 
     atomic_basic_unlock(pe);
-    }
 
     return rc;
 }

oshmem/mca/atomic/mxm/atomic_mxm_cswap.c

@@ -41,18 +41,6 @@ int mca_atomic_mxm_cswap(void *target,
     ptl_id = -1;
     mxm_err = MXM_OK;
 
-    if (!prev || !target || !value) {
-        ATOMIC_ERROR("[#%d] Whether target, value or prev are not defined",
-                     my_pe);
-        oshmem_shmem_abort(-1);
-        return OSHMEM_ERR_BAD_PARAM;
-    }
-    if ((pe < 0) || (pe >= oshmem_num_procs())) {
-        ATOMIC_ERROR("[#%d] PE=%d not valid", my_pe, pe);
-        oshmem_shmem_abort(-1);
-        return OSHMEM_ERR_BAD_PARAM;
-    }
-
     switch (nlong) {
     case 1:
         nlong_order = 0;

oshmem/mca/atomic/mxm/atomic_mxm_fadd.c

@@ -43,18 +43,6 @@ int mca_atomic_mxm_fadd(void *target,
     ptl_id = -1;
     mxm_err = MXM_OK;
 
-    if (!target || !value) {
-        ATOMIC_ERROR("[#%d] target or value are not defined", my_pe);
-        oshmem_shmem_abort(-1);
-        return OSHMEM_ERR_BAD_PARAM;
-    }
-
-    if ((pe < 0) || (pe >= oshmem_num_procs())) {
-        ATOMIC_ERROR("[#%d] PE=%d not valid", my_pe, pe);
-        oshmem_shmem_abort(-1);
-        return OSHMEM_ERR_BAD_PARAM;
-    }
-
     switch (nlong) {
     case 1:
         nlong_order = 0;

oshmem/mca/atomic/ucx/atomic_ucx_component.c

@@ -97,7 +97,7 @@ static int ucx_open(void)
      */
     if (strcmp(mca_spml_base_selected_component.spmlm_version.mca_component_name, "ucx")) {
         ATOMIC_VERBOSE(5,
-                       "Can not use atomic/ucx because spml ikrit component disabled");
+                       "Can not use atomic/ucx because spml ucx component disabled");
         return OSHMEM_ERR_NOT_AVAILABLE;
     }
     mca_spml_self = (mca_spml_ucx_t *)mca_spml.self;

oshmem/mca/atomic/ucx/atomic_ucx_cswap.c

@@ -13,11 +13,8 @@
 #include <stdlib.h>
 
 #include "oshmem/constants.h"
-#include "oshmem/mca/spml/spml.h"
 #include "oshmem/mca/atomic/atomic.h"
 #include "oshmem/mca/atomic/base/base.h"
-#include "oshmem/mca/memheap/memheap.h"
-#include "oshmem/mca/memheap/base/base.h"
 #include "oshmem/runtime/runtime.h"
 
 #include "atomic_ucx.h"
@@ -29,6 +26,45 @@ int mca_atomic_ucx_cswap(void *target,
                          size_t nlong,
                          int pe)
 {
-    return OSHMEM_SUCCESS;
+    ucs_status_t status;
+    spml_ucx_mkey_t *ucx_mkey;
+    uint64_t rva;
+
+    ucx_mkey = mca_spml_ucx_get_mkey(pe, target, (void *)&rva); 
+    if (NULL == cond) {
+        switch (nlong) {
+            case 4:
+                status = ucp_atomic_swap32(mca_spml_self->ucp_peers[pe].ucp_conn, 
+                        *(uint32_t *)value, rva, ucx_mkey->rkey, prev);
+                break;
+            case 8:
+                status = ucp_atomic_swap64(mca_spml_self->ucp_peers[pe].ucp_conn, 
+                        *(uint64_t *)value, rva, ucx_mkey->rkey, prev);
+                break;
+            default:
+                goto err_size;
+        }
+    }
+    else {
+        switch (nlong) {
+            case 4:
+                status = ucp_atomic_cswap32(mca_spml_self->ucp_peers[pe].ucp_conn, 
+                        *(uint32_t *)cond, *(uint32_t *)value, rva, ucx_mkey->rkey, prev);
+                break;
+            case 8:
+                status = ucp_atomic_cswap64(mca_spml_self->ucp_peers[pe].ucp_conn, 
+                        *(uint64_t *)cond, *(uint64_t *)value, rva, ucx_mkey->rkey, prev);
+                break;
+            default:
+                goto err_size;
+        }
     }
 
+    return ucx_status_to_oshmem(status);
+
+err_size:
+    ATOMIC_ERROR("[#%d] Type size must be 1/2/4 or 8 bytes.", my_pe);
+    return OSHMEM_ERROR;
+}
+
+

oshmem/mca/atomic/ucx/atomic_ucx_fadd.c

@@ -13,13 +13,8 @@
 #include <stdlib.h>
 
 #include "oshmem/constants.h"
-#include "oshmem/op/op.h"
-#include "oshmem/mca/spml/spml.h"
 #include "oshmem/mca/atomic/atomic.h"
 #include "oshmem/mca/atomic/base/base.h"
-#include "oshmem/mca/memheap/memheap.h"
-#include "oshmem/mca/memheap/base/base.h"
-#include "oshmem/runtime/runtime.h"
 
 #include "atomic_ucx.h"
 
@@ -30,6 +25,44 @@ int mca_atomic_ucx_fadd(void *target,
                         int pe,
                         struct oshmem_op_t *op)
 {
-    /* TODO: actual code */
+    ucs_status_t status;
-    return OSHMEM_SUCCESS;
+    spml_ucx_mkey_t *ucx_mkey;
+    uint64_t rva;
+
+    ucx_mkey = mca_spml_ucx_get_mkey(pe, target, (void *)&rva);
+
+    if (NULL == prev) {
+        switch (nlong) {
+            case 4:
+                status = ucp_atomic_add32(mca_spml_self->ucp_peers[pe].ucp_conn, 
+                        *(uint32_t *)value, rva, ucx_mkey->rkey);
+                break;
+            case 8:
+                status = ucp_atomic_add64(mca_spml_self->ucp_peers[pe].ucp_conn, 
+                        *(uint64_t *)value, rva, ucx_mkey->rkey);
+                break;
+            default:
+                goto err_size;
+        }
+    }
+    else {
+        switch (nlong) {
+            case 4:
+                status = ucp_atomic_fadd32(mca_spml_self->ucp_peers[pe].ucp_conn, 
+                        *(uint32_t *)value, rva, ucx_mkey->rkey, prev);
+                break;
+            case 8:
+                status = ucp_atomic_fadd64(mca_spml_self->ucp_peers[pe].ucp_conn, 
+                        *(uint64_t *)value, rva, ucx_mkey->rkey, prev);
+                break;
+            default:
+                goto err_size;
+        }
+    }
+
+    return ucx_status_to_oshmem(status);
+
+err_size:
+    ATOMIC_ERROR("[#%d] Type size must be 1/2/4 or 8 bytes.", my_pe);
+    return OSHMEM_ERROR;
 }

oshmem/mca/spml/ucx/spml_ucx.c

@@ -53,7 +53,7 @@ mca_spml_ucx_t mca_spml_ucx = {
         mca_spml_ucx_deregister,
         mca_spml_base_oob_get_mkeys,
         mca_spml_ucx_put,
-        NULL, //mca_spml_ucx_put_nb,
+        NULL, /* todo: mca_spml_ucx_put_nb, */
         mca_spml_ucx_get,
         mca_spml_ucx_recv,
         mca_spml_ucx_send,
@@ -174,6 +174,8 @@ static void dump_address(int pe, char *addr, size_t len)
 #endif
 }
 
+static char spml_ucx_transport_ids[1] = { 0 };
+
 int mca_spml_ucx_add_procs(oshmem_proc_t** procs, size_t nprocs)
 {
     size_t i, n;
@@ -208,7 +210,6 @@ int mca_spml_ucx_add_procs(oshmem_proc_t** procs, size_t nprocs)
     /* Get the EP connection requests for all the processes from modex */
     for (n = 0; n < nprocs; ++n) {
         i = (my_rank + n) % nprocs;
-        //if (i == my_rank) continue;
         dump_address(i, (char *)(wk_raddrs + wk_roffs[i]), wk_rsizes[i]);
         err = ucp_ep_create(mca_spml_ucx.ucp_worker, 
                 (ucp_address_t *)(wk_raddrs + wk_roffs[i]),
@@ -217,6 +218,8 @@ int mca_spml_ucx_add_procs(oshmem_proc_t** procs, size_t nprocs)
             SPML_ERROR("ucp_ep_create failed!!!\n");
             goto error2;
         }
+        procs[i]->num_transports = 1;
+        procs[i]->transport_ids = spml_ucx_transport_ids;
     }
 
     ucp_worker_release_address(mca_spml_ucx.ucp_worker, wk_local_addr);
@@ -377,46 +380,27 @@ int mca_spml_ucx_deregister(sshmem_mkey_t *mkeys)
 int mca_spml_ucx_get(void *src_addr, size_t size, void *dst_addr, int src)
 {
     void *rva;
-    sshmem_mkey_t *r_mkey;
+    ucs_status_t status;
-    ucs_status_t err;
     spml_ucx_mkey_t *ucx_mkey;
 
-    r_mkey = mca_memheap_base_get_cached_mkey(src, src_addr, 0, &rva);
+    ucx_mkey = mca_spml_ucx_get_mkey(src, src_addr, &rva);
-    if (OPAL_UNLIKELY(!r_mkey)) {
+    status = ucp_get(mca_spml_ucx.ucp_peers[src].ucp_conn, dst_addr, size,
-        SPML_ERROR("pe=%d: %p is not address of shared variable",
-                src, src_addr);
-        oshmem_shmem_abort(-1);
-        return OSHMEM_ERROR;
-    }
-
-    ucx_mkey = (spml_ucx_mkey_t *)(r_mkey->spml_context);
-    err = ucp_get(mca_spml_ucx.ucp_peers[src].ucp_conn, dst_addr, size,
                      (uint64_t)rva, ucx_mkey->rkey);
 
-    return OPAL_LIKELY(UCS_OK == err) ? OSHMEM_SUCCESS : OSHMEM_ERROR;
+    return ucx_status_to_oshmem(status);
 }
 
 int mca_spml_ucx_put(void* dst_addr, size_t size, void* src_addr, int dst)
 {
     void *rva;
-    sshmem_mkey_t *r_mkey;
+    ucs_status_t status;
-    ucs_status_t err;
     spml_ucx_mkey_t *ucx_mkey;
 
-    r_mkey = mca_memheap_base_get_cached_mkey(dst, dst_addr, 0, &rva);
+    ucx_mkey = mca_spml_ucx_get_mkey(dst, dst_addr, &rva);
-    if (OPAL_UNLIKELY(!r_mkey)) {
+    status = ucp_put(mca_spml_ucx.ucp_peers[dst].ucp_conn, src_addr, size,
-        SPML_ERROR("pe=%d: %p is not address of shared variable",
-                dst, dst_addr);
-        oshmem_shmem_abort(-1);
-        return OSHMEM_ERROR;
-    }
-
-    ucx_mkey = (spml_ucx_mkey_t *)(r_mkey->spml_context);
-
-    err = ucp_put(mca_spml_ucx.ucp_peers[dst].ucp_conn, src_addr, size,
                      (uint64_t)rva, ucx_mkey->rkey);
 
-    return OPAL_LIKELY(UCS_OK == err) ? OSHMEM_SUCCESS : OSHMEM_ERROR;
+    return ucx_status_to_oshmem(status);
 }
 
 int mca_spml_ucx_fence(void)

oshmem/mca/spml/ucx/spml_ucx.h

@@ -16,12 +16,17 @@
 
 #include "oshmem_config.h"
 #include "oshmem/request/request.h"
+#include "oshmem/mca/spml/base/base.h"
 #include "oshmem/mca/spml/spml.h"
 #include "oshmem/util/oshmem_util.h"
 #include "oshmem/mca/spml/base/spml_base_putreq.h"
 #include "oshmem/proc/proc.h"
 #include "oshmem/mca/spml/base/spml_base_request.h"
 #include "oshmem/mca/spml/base/spml_base_getreq.h"
+#include "oshmem/runtime/runtime.h"
+
+#include "oshmem/mca/memheap/memheap.h"
+#include "oshmem/mca/memheap/base/base.h"
 
 #include "orte/runtime/orte_globals.h"
 
@@ -98,6 +103,29 @@ extern int mca_spml_ucx_fence(void);
 extern int mca_spml_ucx_quiet(void);
 extern int spml_ucx_progress(void);
 
+
+
+static inline spml_ucx_mkey_t * 
+mca_spml_ucx_get_mkey(int pe, void *va, void **rva)
+{
+    sshmem_mkey_t *r_mkey;
+
+    r_mkey = mca_memheap_base_get_cached_mkey(pe, va, 0, rva);
+    if (OPAL_UNLIKELY(!r_mkey)) {
+        SPML_ERROR("pe=%d: %p is not address of symmetric variable",
+                   pe, va);
+        oshmem_shmem_abort(-1);
+        return NULL;
+    }
+    return (spml_ucx_mkey_t *)(r_mkey->spml_context);
+}
+
+static inline ucx_status_to_oshmem(ucs_status_t status)
+{
+    return OPAL_LIKELY(UCS_OK == status) ? OSHMEM_SUCCESS : OSHMEM_ERROR;
+}
+
+
 END_C_DECLS
 
 #endif