rocm-systems/catch/unit/graph/hipDeviceGetGraphMemAttribute.cc

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*/

#include <hip_test_common.hh>
#include <resource_guards.hh>
#include <utils.hh>

/**
 * @addtogroup hipDeviceGetGraphMemAttribute hipDeviceGetGraphMemAttribute
 * @{
 * @ingroup GraphTest
 * `hipDeviceGetGraphMemAttribute(int device, hipGraphMemAttributeType attr, void* value)` -
 * Get the mem attribute for graphs.
 */

static constexpr auto element_count{64 * 1024 * 1024};


/* Create graph with memory node */
static void createGraph(hipGraphExec_t* graph_exec, int** device_alloc = nullptr) {
  constexpr size_t num_bytes = element_count * sizeof(int);

  hipGraph_t graph;
  HIP_CHECK(hipGraphCreate(&graph, 0));

  hipGraphNode_t alloc_node;
  hipMemAllocNodeParams alloc_param;
  memset(&alloc_param, 0, sizeof(alloc_param));
  alloc_param.bytesize = num_bytes;
  alloc_param.poolProps.allocType = hipMemAllocationTypePinned;
  alloc_param.poolProps.location.id = 0;
  alloc_param.poolProps.location.type = hipMemLocationTypeDevice;

  HIP_CHECK(hipGraphAddMemAllocNode(&alloc_node, graph, nullptr, 0, &alloc_param));
  REQUIRE(alloc_param.dptr != nullptr);
  int* A_d = reinterpret_cast<int*>(alloc_param.dptr);

  if (device_alloc == nullptr) {
    hipGraphNode_t free_node;
    HIP_CHECK(hipGraphAddMemFreeNode(&free_node, graph, &alloc_node, 1, (void*)A_d));
  } else {
    *device_alloc = A_d;
  }

  // Instantiate graph
  HIP_CHECK(hipGraphInstantiate(graph_exec, graph, nullptr, nullptr, 0));

  HIP_CHECK(hipGraphDestroy(graph));
}

/* check if memory attributes for graphs contain expected values */
static void checkGraphMemAttribute(size_t used_mem, size_t high_mem) {
  size_t read_mem;
  hipGraphMemAttributeType attr = hipGraphMemAttrUsedMemCurrent;
  HIP_CHECK(hipDeviceGetGraphMemAttribute(0, attr, reinterpret_cast<void*>(&read_mem)));
  REQUIRE(read_mem == used_mem);

  attr = hipGraphMemAttrReservedMemCurrent;
  HIP_CHECK(hipDeviceGetGraphMemAttribute(0, attr, reinterpret_cast<void*>(&read_mem)));
  REQUIRE(read_mem == used_mem);

  attr = hipGraphMemAttrUsedMemHigh;
  HIP_CHECK(hipDeviceGetGraphMemAttribute(0, attr, reinterpret_cast<void*>(&read_mem)));
  REQUIRE(read_mem == high_mem);

  attr = hipGraphMemAttrReservedMemHigh;
  HIP_CHECK(hipDeviceGetGraphMemAttribute(0, attr, reinterpret_cast<void*>(&read_mem)));
  REQUIRE(read_mem == high_mem);
}

/**
 * Test Description
 * ------------------------
 *  - Basic test to verify that hipDeviceGetGraphMemAttribute return correct memory attribute values
 * when graphs with allocation nodes are launched, and after memory is freed to OS.
 * Test source
 * ------------------------
 *  - /unit/graph/hipDeviceGetGraphMemAttribute.cc
 * Test requirements
 * ------------------------
 *  - HIP_VERSION >= 6.0
 */
TEST_CASE("Unit_hipDeviceGetGraphMemAttribute_Positive_DoubleMemory") {
  hipGraphExec_t graph_exec1, graph_exec2;
  int *dev_p1, *dev_p2;

  StreamGuard stream_guard(Streams::created);
  hipStream_t stream = stream_guard.stream();

  createGraph(&graph_exec1, &dev_p1);
  HIP_CHECK(hipGraphLaunch(graph_exec1, stream));
  HIP_CHECK(hipStreamSynchronize(stream));

  checkGraphMemAttribute(element_count * sizeof(int), element_count * sizeof(int));

  createGraph(&graph_exec2, &dev_p2);
  HIP_CHECK(hipGraphLaunch(graph_exec2, stream));
  HIP_CHECK(hipStreamSynchronize(stream));

  checkGraphMemAttribute(2 * element_count * sizeof(int), 2 * element_count * sizeof(int));

  HIP_CHECK(hipFree(dev_p1));
  HIP_CHECK(hipFree(dev_p2));

  HIP_CHECK(hipGraphExecDestroy(graph_exec1));
  HIP_CHECK(hipGraphExecDestroy(graph_exec2));
  HIP_CHECK(hipDeviceGraphMemTrim(0));
  checkGraphMemAttribute(0, 2 * element_count * sizeof(int));
}

/**
 * Test Description
 * ------------------------
 *  - Basic test to verify that hipDeviceGetGraphMemAttribute return correct memory attribute values
 * when graphs with allocation and free nodes are launched, and after memory is freed to OS.
 * Test source
 * ------------------------
 *  - /unit/graph/hipDeviceGetGraphMemAttribute.cc
 * Test requirements
 * ------------------------
 *  - HIP_VERSION >= 6.0
 */
TEST_CASE("Unit_hipDeviceGetGraphMemAttribute_Positive_ReuseMemory") {
  hipGraphExec_t graph_exec1, graph_exec2;

  StreamGuard stream_guard(Streams::created);
  hipStream_t stream = stream_guard.stream();

  createGraph(&graph_exec1);
  HIP_CHECK(hipGraphLaunch(graph_exec1, stream));
  HIP_CHECK(hipStreamSynchronize(stream));

  checkGraphMemAttribute(element_count * sizeof(int), element_count * sizeof(int));

  createGraph(&graph_exec2);
  HIP_CHECK(hipGraphLaunch(graph_exec2, stream));
  HIP_CHECK(hipStreamSynchronize(stream));

  checkGraphMemAttribute(element_count * sizeof(int), element_count * sizeof(int));

  HIP_CHECK(hipGraphExecDestroy(graph_exec1));
  HIP_CHECK(hipGraphExecDestroy(graph_exec2));
  HIP_CHECK(hipDeviceGraphMemTrim(0));
  checkGraphMemAttribute(0, element_count * sizeof(int));
}

/**
 * Test Description
 * ------------------------
 *  - Test to verify hipDeviceGetGraphMemAttribute behavior with invalid arguments:
 *    -# Device is not valid
 *    -# Attribute value is not valid
 *    -# Get value is nullptr
 * Test source
 * ------------------------
 *  - /unit/graph/hipDeviceGetGraphMemAttribute.cc
 * Test requirements
 * ------------------------
 *  - HIP_VERSION >= 6.0
 */
TEST_CASE("Unit_hipDeviceGetGraphMemAttribute_Negative_Parameters") {
  int device_id = 0;
  HIP_CHECK(hipSetDevice(device_id));

  int num_dev = 0;
  HIP_CHECK(hipGetDeviceCount(&num_dev));

  hipGraphMemAttributeType attr = hipGraphMemAttrUsedMemHigh;
  size_t get_value = 0;

  SECTION("Device is not valid") {
    HIP_CHECK_ERROR(
        hipDeviceGetGraphMemAttribute(num_dev, attr, reinterpret_cast<void*>(&get_value)),
        hipErrorInvalidDevice);
  }

  SECTION("Attribute value is not valid") {
    HIP_CHECK_ERROR(hipDeviceGetGraphMemAttribute(0, static_cast<hipGraphMemAttributeType>(0x7),
                                                  reinterpret_cast<void*>(&get_value)),
                    hipErrorInvalidValue);
  }

  SECTION("Get value is nullptr") {
    HIP_CHECK_ERROR(hipDeviceGetGraphMemAttribute(0, attr, nullptr), hipErrorInvalidValue);
  }
}