Merge commit '3d4813d99196bb349eccd50a925e2addc8f1622c' into develop

projects/rccl/test/common/CollectiveArgs.cpp

@@ -192,8 +192,8 @@ namespace RcclUnitTesting
     case ncclCollAllReduce:     ss << "ncclAllReduce";     break;
     case ncclCollGather:        ss << "ncclGather";        break;
     case ncclCollScatter:       ss << "ncclScatter";       break;
-    case ncclCollAllToAll:      ss << "ncclAllToAll";      break;
-    case ncclCollAllToAllv:     ss << "ncclAllToAllv";     break;
+    case ncclCollAlltoAll:      ss << "ncclAlltoAll";      break;
+    case ncclCollAlltoAllv:     ss << "ncclAlltoAllv";     break;
     case ncclCollSend:          ss << "ncclSend";          break;
     case ncclCollRecv:          ss << "ncclRecv";          break;
     default:                    ss << "[Unknown]";         break;
@@ -276,7 +276,7 @@ namespace RcclUnitTesting
       *numInputElements  = totalRanks * N;
       *numOutputElements = N;
       break;
-    case ncclCollAllToAll:
+    case ncclCollAlltoAll:
       *numInputElements = totalRanks * N;
       *numOutputElements = totalRanks * N;
       break;

projects/rccl/test/common/CollectiveArgs.hpp

@@ -20,8 +20,8 @@ namespace RcclUnitTesting
     ncclCollAllReduce,
     ncclCollGather,
     ncclCollScatter,
-    ncclCollAllToAll,
-    ncclCollAllToAllv,
+    ncclCollAlltoAll,
+    ncclCollAlltoAllv,
     ncclCollSend,
     ncclCollRecv,
     ncclNumFuncs
@@ -36,8 +36,8 @@ namespace RcclUnitTesting
     "AllReduce",
     "Gather",
     "Scatter",
-    "AllToAll",
-    "AllToAllv",
+    "AlltoAll",
+    "AlltoAllv",
     "Send",
     "Recv"
   };

projects/rccl/test/common/PrepDataFuncs.cpp

@@ -22,8 +22,8 @@ namespace RcclUnitTesting
     case ncclCollAllReduce:     return DefaultPrepData_Reduce(collArgs, true);
     case ncclCollGather:        return DefaultPrepData_Gather(collArgs, false);
     case ncclCollScatter:       return DefaultPrepData_Scatter(collArgs);
-    case ncclCollAllToAll:      return DefaultPrepData_AllToAll(collArgs);
-    case ncclCollAllToAllv:     return DefaultPrepData_AllToAllv(collArgs);
+    case ncclCollAlltoAll:      return DefaultPrepData_AllToAll(collArgs);
+    case ncclCollAlltoAllv:     return DefaultPrepData_AllToAllv(collArgs);
     case ncclCollSend:          return DefaultPrepData_Send(collArgs);
     case ncclCollRecv:          return DefaultPrepData_Recv(collArgs);
     default:

projects/rccl/test/common/ProcessIsolatedTestRunner.cpp

@@ -402,6 +402,9 @@ bool ProcessIsolatedTestRunner::executeAllTests(const ExecutionOptions& options)
             continue;
         }
 
+        // Flush all output before fork to prevent child from inheriting unflushed buffers
+        fflush(NULL);
+
         pid_t pid = fork();
 
         if(pid == 0)
@@ -435,6 +438,10 @@ bool ProcessIsolatedTestRunner::executeAllTests(const ExecutionOptions& options)
             {
                 INFO("Running isolated test '%s' (PID: %d)\n", testConfig.name.c_str(), pid);
             }
+            // Flush parent's output before reading from child pipes to ensure proper ordering
+            fflush(stdout);
+            fflush(stderr);
+
             int            status;
             CapturedOutput output = captureProcessOutput(stdout_fd, stderr_fd, pid, &status);
 
@@ -442,6 +449,9 @@ bool ProcessIsolatedTestRunner::executeAllTests(const ExecutionOptions& options)
             auto duration
                 = std::chrono::duration_cast<std::chrono::milliseconds>(endTime - startTime);
 
+            // Display captured output BEFORE status messages for proper sequencing
+            displayCapturedOutput(output, testConfig.name);
+
             TestResult testResult;
             testResult.testName  = testConfig.name;
             testResult.processId = pid;
@@ -530,8 +540,6 @@ bool ProcessIsolatedTestRunner::executeAllTests(const ExecutionOptions& options)
                 testResult.errorMessage = "Failed to wait for process";
             }
 
-            displayCapturedOutput(output, testConfig.name);
-
             recordTestResult(testResult);
 
             // Stop on first failure if requested

projects/rccl/test/common/TestBedChild.cpp

@@ -647,18 +647,18 @@ namespace RcclUnitTesting
                                       this->streams[groupId][localRank][collArg.streamIdx]),
                           "ncclScatter");
           break;
-        case ncclCollAllToAll:
-          CHILD_NCCL_CALL_RANK(errCode, ncclAllToAll(
+        case ncclCollAlltoAll:
+          CHILD_NCCL_CALL_RANK(errCode, ncclAlltoAll(
                                        collArg.inputGpu.ptr,
                                        collArg.outputGpu.ptr,
                                        collArg.numInputElements / collArg.totalRanks,
                                        collArg.dataType,
                                        this->comms[localRank],
                                        this->streams[groupId][localRank][collArg.streamIdx]),
-                          "ncclAllToAll");
+                          "ncclAlltoAll");
           break;
-        case ncclCollAllToAllv:
-          CHILD_NCCL_CALL_RANK(errCode, ncclAllToAllv(
+        case ncclCollAlltoAllv:
+          CHILD_NCCL_CALL_RANK(errCode, ncclAlltoAllv(
                                         collArg.inputGpu.ptr,
                                         collArg.options.sendcounts + (this->rankOffset + localRank)*this->totalRanks,
                                         collArg.options.sdispls + (this->rankOffset + localRank)*this->totalRanks,
@@ -668,7 +668,7 @@ namespace RcclUnitTesting
                                         collArg.dataType,
                                         this->comms[localRank],
                                         this->streams[groupId][localRank][collArg.streamIdx]),
-                          "ncclAllToAllv");
+                          "ncclAlltoAllv");
           break;
         case ncclCollSend:
           CHILD_NCCL_CALL_RANK(errCode, ncclSend(