Function TEST

test/cpp/phi/kernels/test_cache.cc:26–68

enum ConvAlgos { GEMMKernel = 0, CuDNNKernel_1 = 1, CuDNNKernel_2 = 2 };

TEST(AlgosCache, AlgosCache) {
  auto autotune_cache = phi::autotune::AutoTuneCache::Instance();
  auto& cache =
      autotune_cache.GetConv(phi::autotune::AlgorithmType::kConvForward);

  std::vector<int64_t> x_shape = {4, 224, 224, 3};
  std::vector<int64_t> w_shape = {32, 3, 3, 3};
  std::vector<int> paddings = {0, 0};
  std::vector<int> strides = {2, 2};
  std::vector<int> dilations = {1, 1};
  phi::DataType dtype = phi::CppTypeToDataType<float>::Type();

  phi::autotune::ConvCacheKey key(
      x_shape, w_shape, paddings, strides, dilations, dtype, 0, 0);
  EXPECT_EQ(cache.Find(key), false);
  phi::autotune::ConvAutoTuneResult node(
      static_cast<int64_t>(ConvAlgos::GEMMKernel), 0, false);
  cache.Set(key, node);
  EXPECT_EQ(cache.Size(), 1);
  EXPECT_EQ(cache.Find(key), true);
  auto algo = cache.Get(key);
  EXPECT_EQ(algo.algo, ConvAlgos::GEMMKernel);

  x_shape = {4, 128, 128, 3};
  phi::autotune::ConvCacheKey key1(
      x_shape, w_shape, paddings, strides, dilations, dtype, 0, 1);
  EXPECT_EQ(cache.Find(key1), false);
  phi::autotune::ConvAutoTuneResult node1(
      static_cast<int64_t>(ConvAlgos::CuDNNKernel_1), 0, false);
  cache.Set(key1, node1);
  EXPECT_EQ(cache.Size(), 2);
  EXPECT_EQ(cache.CacheHits(), 1);
  EXPECT_EQ(cache.CacheMisses(), 2);

  float cache_hit_rate = static_cast<float>(1) / static_cast<float>(3);
  EXPECT_LT(std::abs(cache_hit_rate - cache.CacheHitRate()), 1e-5);

  autotune_cache.UpdateStatus();
  EXPECT_EQ(autotune_cache.Size(), 2);
  EXPECT_EQ(autotune_cache.CacheHits(), 1);
  EXPECT_EQ(autotune_cache.CacheMisses(), 2);
  EXPECT_LT(std::abs(cache_hit_rate - autotune_cache.CacheHitRate()), 1e-5);
}