fix max bytes dealloc bug

NVIDIA · Oct 28, 2024 · c65aeb0 · c65aeb0
1 parent 156ad0c
commit c65aeb0
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Showing 2 changed files with 9 additions and 2 deletions.
diff --git a/src/main/cpp/src/SparkResourceAdaptorJni.cpp b/src/main/cpp/src/SparkResourceAdaptorJni.cpp
@@ -1780,6 +1780,9 @@ class spark_resource_adaptor final : public rmm::mr::device_memory_resource {
     auto const thread = threads.find(tid);
     if (thread != threads.end()) {
       log_status("DEALLOC", tid, thread->second.task_id, thread->second.state);
+      if (!is_for_cpu) {
+        thread->second.gpu_memory_allocated_bytes -= num_bytes;
+      }
     } else {
       log_status("DEALLOC", tid, -2, thread_state::UNKNOWN);
     }
@@ -1802,7 +1805,6 @@ class spark_resource_adaptor final : public rmm::mr::device_memory_resource {
             if (is_for_cpu == t_state.is_cpu_alloc) {
               transition(t_state, thread_state::THREAD_ALLOC_FREE);
             }
-            if (!is_for_cpu) { t_state.gpu_memory_allocated_bytes -= num_bytes; }
             break;
           default: break;
         }

diff --git a/src/test/java/com/nvidia/spark/rapids/jni/RmmSparkTest.java b/src/test/java/com/nvidia/spark/rapids/jni/RmmSparkTest.java
@@ -360,7 +360,7 @@ public void testInsertOOMsGpu() {
       assertThrows(GpuSplitAndRetryOOM.class, () -> Rmm.alloc(100).close());
       assertEquals(0, RmmSpark.getAndResetNumRetryThrow(taskid));
       assertEquals(1, RmmSpark.getAndResetNumSplitRetryThrow(taskid));
-      assertEquals(ALIGNMENT * 2, RmmSpark.getAndResetGpuMaxMemoryAllocated(taskid));
+      assertEquals(ALIGNMENT, RmmSpark.getAndResetGpuMaxMemoryAllocated(taskid));
 
       // Verify that injecting OOM does not cause the block to actually happen
       assertEquals(RmmSparkThreadState.THREAD_RUNNING, RmmSpark.getStateOf(threadId));
@@ -818,6 +818,11 @@ public void testBasicMixedBlocking() throws ExecutionException, InterruptedExcep
             secondGpuAlloc.waitForAlloc();
             secondGpuAlloc.freeAndWait();
           }
+          // Do one more alloc after freeing on same task to show the max allocation metric is unimpacted
+          try (AllocOnAnotherThread secondGpuAlloc = new GpuAllocOnAnotherThread(taskThree, FIVE_MB)) {
+            secondGpuAlloc.waitForAlloc();
+            secondGpuAlloc.freeAndWait();
+          }
         }
       }
     } finally {