NPkit: misc fixes for MSCCL (#936)

* msccl: add xcc_id to timestamp sync

* NPKit: add timestamp for rrc operator

* NPKit: add timestamp for MSCCL init

install.sh

@@ -328,6 +328,10 @@ if ($npkit_enabled); then
     -DENABLE_NPKIT_EVENT_MSCCL_RECV_EXIT \
     -DENABLE_NPKIT_EVENT_MSCCL_RUN_ENTRY \
     -DENABLE_NPKIT_EVENT_MSCCL_RUN_EXIT \
+    -DENABLE_NPKIT_EVENT_MSCCL_RECV_REDUCE_COPY_ENTRY \
+    -DENABLE_NPKIT_EVENT_MSCCL_RECV_REDUCE_COPY_EXIT \
+    -DENABLE_NPKIT_EVENT_MSCCL_INIT_ENTRY \
+    -DENABLE_NPKIT_EVENT_MSCCL_INIT_EXIT \
     -DENABLE_NPKIT_PRIM_COLLECT_DATA_PROCESS_TIME"
 fi
 

src/collectives/device/msccl_kernel_impl.h

@@ -135,6 +135,12 @@ __device__ __forceinline__ void mscclRunInterpreter(
   const int bid = blockIdx.x;
   const int nthreads = NCCL_MAX_NTHREADS;
 
+#if defined(ENABLE_NPKIT)
+  uint64_t timestamp_entry = 0;
+  if (tid == 0) {
+     timestamp_entry = NPKIT_GET_GPU_TIMESTAMP();
+  }
+#endif
   // initialize mscclShmem.mscclTB
   threadBlockCopy(
     (uint64_t *)&mscclShmem.mscclTB, (uint64_t *)(algo->mscclTBs + bid),
@@ -179,7 +185,13 @@ __device__ __forceinline__ void mscclRunInterpreter(
 
 #if defined(ENABLE_NPKIT)
   int npKitCtxIdx = bid;
-  if (tid == 0) ncclShmem.event_buffer_head = 0;
+  int xcc_id = 0;
+  if (tid == 0) {
+    ncclShmem.event_buffer_head = 0;
+#if defined(__gfx940__) || defined(__gfx941__) || defined(__gfx942__)
+    asm volatile ("s_getreg_b32 %0, hwreg(HW_REG_XCC_ID)" : "=s" (xcc_id));
+#endif
+  }
 #endif
   __synclds(); // publish shmem
   if (tid == 0)
@@ -188,13 +200,13 @@ __device__ __forceinline__ void mscclRunInterpreter(
 #if defined(ENABLE_NPKIT) && defined(ENABLE_NPKIT_EVENT_TIME_SYNC_CPU)
   if (tid == 0) {
     uint64_t* cpuTimestamp = ncclShmem.comm.cpuTimestamp;
-    NpKit::CollectGpuEventLDS(NPKIT_EVENT_TIME_SYNC_CPU, 0, 0, *cpuTimestamp);
+    NpKit::CollectGpuEventLDS(NPKIT_EVENT_TIME_SYNC_CPU, 0, xcc_id, *cpuTimestamp);
   }
 #endif
 
 #if defined(ENABLE_NPKIT) && defined(ENABLE_NPKIT_EVENT_TIME_SYNC_GPU)
   if (tid == 0) {
-    NpKit::CollectGpuEventLDS(NPKIT_EVENT_TIME_SYNC_GPU, 0, 0, NPKIT_GET_GPU_TIMESTAMP());
+    NpKit::CollectGpuEventLDS(NPKIT_EVENT_TIME_SYNC_GPU, 0, xcc_id, NPKIT_GET_GPU_TIMESTAMP());
   }
 #endif
 
@@ -250,11 +262,19 @@ __device__ __forceinline__ void mscclRunInterpreter(
 
 #if defined(ENABLE_NPKIT) && defined(ENABLE_NPKIT_EVENT_MSCCL_RUN_ENTRY)
   if (tid == 0) {
-    int xcc_id = 0;
-#if defined(__gfx940__) || defined(__gfx941__) || defined(__gfx942__)
-    asm volatile ("s_getreg_b32 %0, hwreg(HW_REG_XCC_ID)" : "=s" (xcc_id));
+    NpKit::CollectGpuEventLDS(NPKIT_EVENT_MSCCL_RUN_ENTRY, mscclShmem.work.sizePerMscclChunk*mscclShmem.work.nChunksPerLoop, xcc_id, timestamp_entry);
+  }
 #endif
-    NpKit::CollectGpuEventLDS(NPKIT_EVENT_MSCCL_RUN_ENTRY, mscclShmem.work.sizePerMscclChunk*mscclShmem.work.nChunksPerLoop, xcc_id, NPKIT_GET_GPU_TIMESTAMP());
+
+#if defined(ENABLE_NPKIT) && defined(ENABLE_NPKIT_EVENT_MSCCL_INIT_ENTRY)
+  if (tid == 0) {
+    NpKit::CollectGpuEventLDS(NPKIT_EVENT_MSCCL_INIT_ENTRY, 0, xcc_id, timestamp_entry);
+  }
+#endif
+
+#if defined(ENABLE_NPKIT) && defined(ENABLE_NPKIT_EVENT_MSCCL_INIT_EXIT)
+  if (tid == 0) {
+    NpKit::CollectGpuEventLDS(NPKIT_EVENT_MSCCL_INIT_EXIT, 0, xcc_id, NPKIT_GET_GPU_TIMESTAMP());
   }
 #endif
 
@@ -412,8 +432,19 @@ __device__ __forceinline__ void mscclRunInterpreter(
           prims.recvReduceSend(srcOffset, thisNelem);
         else if (t->type == MSCCL_RECV_REDUCE_COPY_SEND)
           prims.recvReduceCopySend(srcOffset, dstOffset, thisNelem);
-        else if (t->type == MSCCL_RECV_REDUCE_COPY)
+        else if (t->type == MSCCL_RECV_REDUCE_COPY) {
+#if defined(ENABLE_NPKIT) && defined(ENABLE_NPKIT_EVENT_MSCCL_RECV_REDUCE_COPY_ENTRY)
+          if (tid == 0) {
+            NpKit::CollectGpuEventLDS(NPKIT_EVENT_MSCCL_RECV_REDUCE_COPY_ENTRY, thisNelem*sizeof(T), 0, NPKIT_GET_GPU_TIMESTAMP());
+          }
+#endif
           prims.recvReduceCopy(srcOffset, dstOffset, thisNelem);
+#if defined(ENABLE_NPKIT) && defined(ENABLE_NPKIT_EVENT_MSCCL_RECV_REDUCE_COPY_EXIT)
+          if (tid == 0) {
+            NpKit::CollectGpuEventLDS(NPKIT_EVENT_MSCCL_RECV_REDUCE_COPY_EXIT, thisNelem*sizeof(T), 0, NPKIT_GET_GPU_TIMESTAMP());
+          }
+#endif
+        }
         else if (t->type == MSCCL_LOCAL_COPY)
           prims.localCopy(srcPointer+srcOffset, dstPointer+dstOffset, thisNelem);
         else
@@ -427,7 +458,7 @@ __device__ __forceinline__ void mscclRunInterpreter(
   }
 #if defined(ENABLE_NPKIT) && defined(ENABLE_NPKIT_EVENT_MSCCL_RUN_EXIT)
   if (tid == 0) {
-    NpKit::CollectGpuEventLDS(NPKIT_EVENT_MSCCL_RUN_EXIT, mscclShmem.work.sizePerMscclChunk*mscclShmem.work.nChunksPerLoop, 0, NPKIT_GET_GPU_TIMESTAMP());
+    NpKit::CollectGpuEventLDS(NPKIT_EVENT_MSCCL_RUN_EXIT, mscclShmem.work.sizePerMscclChunk*mscclShmem.work.nChunksPerLoop, xcc_id, NPKIT_GET_GPU_TIMESTAMP());
   }
 #endif
 #if defined(ENABLE_NPKIT)

src/include/npkit/npkit_event.h

@@ -122,5 +122,9 @@
 #define NPKIT_EVENT_MSCCL_RECV_EXIT                             0x61
 #define NPKIT_EVENT_MSCCL_RUN_ENTRY                             0x62
 #define NPKIT_EVENT_MSCCL_RUN_EXIT                              0x63
+#define NPKIT_EVENT_MSCCL_RECV_REDUCE_COPY_ENTRY                0x64
+#define NPKIT_EVENT_MSCCL_RECV_REDUCE_COPY_EXIT                 0x65
+#define NPKIT_EVENT_MSCCL_INIT_ENTRY                            0x66
+#define NPKIT_EVENT_MSCCL_INIT_EXIT                             0x67
 
 #endif