[Openmp-commits] [PATCH] D109511: [libomptarget][amdgpu] Destruct HSA queues

Jon Chesterfield via Phabricator via Openmp-commits openmp-commits at lists.llvm.org
Sun Sep 26 07:34:58 PDT 2021


This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rG8cf93a35d4b8: [libomptarget][amdgpu] Destruct HSA queues (authored by JonChesterfield).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D109511/new/

https://reviews.llvm.org/D109511

Files:
  openmp/libomptarget/plugins/amdgpu/dynamic_hsa/hsa.cpp
  openmp/libomptarget/plugins/amdgpu/dynamic_hsa/hsa.h
  openmp/libomptarget/plugins/amdgpu/src/rtl.cpp


Index: openmp/libomptarget/plugins/amdgpu/src/rtl.cpp
===================================================================
--- openmp/libomptarget/plugins/amdgpu/src/rtl.cpp
+++ openmp/libomptarget/plugins/amdgpu/src/rtl.cpp
@@ -451,6 +451,17 @@
   HSALifetime HSA; // First field => constructed first and destructed last
   std::vector<std::list<FuncOrGblEntryTy>> FuncGblEntries;
 
+  struct QueueDeleter {
+    void operator()(hsa_queue_t *Q) {
+      if (Q) {
+        hsa_status_t Err = hsa_queue_destroy(Q);
+        if (Err != HSA_STATUS_SUCCESS) {
+          DP("Error destroying hsa queue: %s\n", get_error_string(Err));
+        }
+      }
+    }
+  };
+
 public:
   // load binary populates symbol tables and mutates various global state
   // run uses those symbol tables
@@ -460,7 +471,8 @@
 
   // GPU devices
   std::vector<hsa_agent_t> HSAAgents;
-  std::vector<hsa_queue_t *> HSAQueues; // one per gpu
+  std::vector<std::unique_ptr<hsa_queue_t, QueueDeleter>>
+      HSAQueues; // one per gpu
 
   // CPUs
   std::vector<hsa_agent_t> CPUAgents;
@@ -773,10 +785,6 @@
       return;
     }
 
-    for (int i = 0; i < NumberOfDevices; i++) {
-      HSAQueues[i] = nullptr;
-    }
-
     for (int i = 0; i < NumberOfDevices; i++) {
       uint32_t queue_size = 0;
       {
@@ -792,12 +800,16 @@
         }
       }
 
-      hsa_status_t rc = hsa_queue_create(
-          HSAAgents[i], queue_size, HSA_QUEUE_TYPE_MULTI, callbackQueue, NULL,
-          UINT32_MAX, UINT32_MAX, &HSAQueues[i]);
-      if (rc != HSA_STATUS_SUCCESS) {
-        DP("Failed to create HSA queue %d\n", i);
-        return;
+      {
+        hsa_queue_t *Q = nullptr;
+        hsa_status_t rc =
+            hsa_queue_create(HSAAgents[i], queue_size, HSA_QUEUE_TYPE_MULTI,
+                             callbackQueue, NULL, UINT32_MAX, UINT32_MAX, &Q);
+        if (rc != HSA_STATUS_SUCCESS) {
+          DP("Failed to create HSA queue %d\n", i);
+          return;
+        }
+        HSAQueues[i].reset(Q);
       }
 
       deviceStateStore[i] = {nullptr, 0};
@@ -2149,7 +2161,7 @@
 
   // Run on the device.
   {
-    hsa_queue_t *queue = DeviceInfo.HSAQueues[device_id];
+    hsa_queue_t *queue = DeviceInfo.HSAQueues[device_id].get();
     if (!queue) {
       return OFFLOAD_FAIL;
     }
Index: openmp/libomptarget/plugins/amdgpu/dynamic_hsa/hsa.h
===================================================================
--- openmp/libomptarget/plugins/amdgpu/dynamic_hsa/hsa.h
+++ openmp/libomptarget/plugins/amdgpu/dynamic_hsa/hsa.h
@@ -142,6 +142,8 @@
                               void *data, uint32_t private_segment_size,
                               uint32_t group_segment_size, hsa_queue_t **queue);
 
+hsa_status_t hsa_queue_destroy(hsa_queue_t *queue);
+
 uint64_t hsa_queue_load_read_index_scacquire(const hsa_queue_t *queue);
 
 uint64_t hsa_queue_add_write_index_relaxed(const hsa_queue_t *queue,
Index: openmp/libomptarget/plugins/amdgpu/dynamic_hsa/hsa.cpp
===================================================================
--- openmp/libomptarget/plugins/amdgpu/dynamic_hsa/hsa.cpp
+++ openmp/libomptarget/plugins/amdgpu/dynamic_hsa/hsa.cpp
@@ -29,6 +29,7 @@
 DLWRAP(hsa_signal_store_screlease, 2);
 DLWRAP(hsa_signal_wait_scacquire, 5);
 DLWRAP(hsa_queue_create, 8);
+DLWRAP(hsa_queue_destroy, 1);
 DLWRAP(hsa_queue_load_read_index_scacquire, 1);
 DLWRAP(hsa_queue_add_write_index_relaxed, 2);
 DLWRAP(hsa_memory_copy, 3);


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