[DCU] fix some faild ut (#65716)

Author: Deleter-D

paddle/phi/kernels/gpu/check_numerics_kernel.cu

@@ -58,82 +58,6 @@ static void InitMultiGPUOpVarMap() {
   multi_op_var2gpu_str_mutex().swap(tmp_multi_mutex);
 }
 
-template <typename T>
-__device__ __forceinline__ void PrintNanInfKernel(const T* value,
-                                                  const size_t numel,
-                                                  int print_num,
-                                                  char* debug_info) {
-  const size_t tid = threadIdx.x + blockIdx.x * blockDim.x;
-
-  __shared__ unsigned int nan_count, inf_count, num_count;
-  if (threadIdx.x == 0) nan_count = inf_count = num_count = 0;
-  __syncthreads;
-
-  for (size_t i = tid; i < numel; i += blockDim.x * gridDim.x) {
-    unsigned int count = 0;
-    if (isnan(value[i])) {
-      count = atomicAdd(&nan_count, 1);
-    } else if (isinf(value[i])) {
-      count = atomicAdd(&inf_count, 1);
-    } else {
-      count = atomicAdd(&num_count, 1);
-    }
-    // for cuda, print in every block
-    if (count < print_num) {
-      printf("numel:%lu idx:%lu value:%f\n",
-             static_cast<uint64_t>(numel),
-             static_cast<uint64_t>(i),
-             static_cast<float>(value[i]));
-    }
-  }
-  __syncthreads;
-
-#ifdef __HIPCC__
-  if (true && hipThreadIdx_x == 0) {
-    printf("In block %d, there has %u,%u,%u nan,inf,num\n",
-           hipBlockIdx_x,
-           nan_count,
-           inf_count,
-           num_count);
-#else
-  if (true && threadIdx.x == 0) {
-    printf("In block %d, there has %u,%u,%u nan,inf,num\n",
-           blockIdx.x,
-           nan_count,
-           inf_count,
-           num_count);
-#endif
-    PADDLE_ENFORCE(false, "===ERROR: in %s find nan or inf===", debug_info);
-  }
-}
-
-// Resnet 2gpus speed test, no check 270 images/s, this check 229 images/s
-template <typename T>
-__global__ void CheckNanInfKernel(const T* value,
-                                  const size_t numel,
-                                  int print_num,
-                                  char* debug_info) {
-  /// step 1, judge wheater has nan or inf
-  __shared__ volatile int has_nan_inf;
-  if (threadIdx.x == 0) has_nan_inf = false;
-  __syncthreads();
-
-  const size_t tid = threadIdx.x + blockIdx.x * blockDim.x;
-  T sum = static_cast<T>(0.0);
-  // Todo(wangxi). simd speed up
-  for (size_t i = tid; i < numel; i += blockDim.x * gridDim.x) {
-    sum += (value[i] - value[i]);
-  }
-
-  if (isnan(sum) || isinf(sum)) has_nan_inf = true;
-  __syncthreads();
-
-  /// Note. different blocks may behave differently
-  if (!has_nan_inf) return;
-
-  PrintNanInfKernel(value, numel, print_num, debug_info);
-}
-
 template <typename T, int ReduceType>
 __device__ T BlockReduce(T value) {
   __shared__ T shared_mem[1024];
@@ -509,19 +433,7 @@ void CheckNumericsKernel(const Context& ctx,
   size_t blocks =
       std::min(static_cast<size_t>(128),
                static_cast<size_t>((tensor.numel() + threads - 1) / threads));
-#ifdef __HIPCC__
-  int print_num = 3;
-
-  hipLaunchKernelGGL(CheckNanInfKernel,
-                     dim3(blocks),
-                     dim3(threads),
-                     0,
-                     ctx.stream(),
-                     tensor.data<T>(),
-                     tensor.numel(),
-                     print_num,
-                     gpu_str_ptr);
-#else
+
   using MT = typename phi::dtype::MPTypeTrait<T>::Type;
 
   int64_t numel_max_min = blocks;
@@ -586,7 +498,6 @@ void CheckNumericsKernel(const Context& ctx,
   if (check_nan_inf_level == 0 && stack_height_limit > 0) {
     PrintStack<T>(ctx, *stats, op_type, var_name, dev_id);
   }
-#endif
 }
 
 }  // namespace phi

paddle/phi/kernels/gpu/group_norm_kernel.cu

@@ -880,8 +880,23 @@ __global__ void GroupNormForwardGetMeanAndVar(const T* x,
   }
   x_mean /= number * imsize;
   x_var /= number * imsize;
+
+#ifdef __NVCC__
   CudaAtomicAddWithWarp(&mean[bid * groups + gid], x_mean);
   CudaAtomicAddWithWarp(&var[bid * groups + gid], x_var);
+#endif
+#ifdef __HIPCC__
+  // Note(wangyanpeng04): When the block size is less than the warp size,
+  // WarpReduce will result in all zeros. It seems to be an internal problem of
+  // hipcub on DCU.
+  if (blockDim.x < phi::kps::details::kWarpSize) {
+    phi::CudaAtomicAdd(&mean[bid * groups + gid], x_mean);
+    phi::CudaAtomicAdd(&var[bid * groups + gid], x_var);
+  } else {
+    CudaAtomicAddWithWarp(&mean[bid * groups + gid], x_mean);
+    CudaAtomicAddWithWarp(&var[bid * groups + gid], x_var);
+  }
+#endif
 }
 
 template <typename T, typename AccT, int flags>

paddle/phi/kernels/strings/gpu/strings_lower_upper_kernel.cu

@@ -41,7 +41,11 @@ struct AsciiCaseConverter<phi::GPUContext, CharConverter> {
                   const pstring* in,
                   pstring* out,
                   size_t num) const {
+#ifdef PADDLE_WITH_HIP
+    dim3 block_size = dim3(256, 1);
+#else
     dim3 block_size = dim3(PREDEFINED_BLOCK_SIZE, 1);
+#endif
     dim3 grid_size =
         dim3((num + PREDEFINED_BLOCK_SIZE - 1) / PREDEFINED_BLOCK_SIZE, 1);
     StringCaseConvertCUDAKernel<CharConverter>

test/cpp/fluid/elementwise/test_elementwise_op_grad_grad.h

@@ -128,13 +128,6 @@ class TestElementwiseOpGradGrad {
       }
       auto *out_ptr = cpu_out.data<T>();
       size_t numel = static_cast<size_t>(common::product(dims_));
-#ifdef PADDLE_WITH_HIP
-      auto is_equal = std::equal(
-          out_ptr,
-          out_ptr + numel,
-          expected_outs_[out_name].data(),
-          [](const float &l, const float &r) { return fabs(l - r) < 1e-8; });
-#else
       bool is_equal;
       if (op_type_ == "elementwise_div_grad_grad") {
         is_equal = std::equal(out_ptr,
@@ -144,10 +137,17 @@ class TestElementwiseOpGradGrad {
                                 return fabs(l - r) < 0.0005;
                               });
       } else {
+#ifdef PADDLE_WITH_HIP
+        is_equal = std::equal(
+            out_ptr,
+            out_ptr + numel,
+            expected_outs_[out_name].data(),
+            [](const float &l, const float &r) { return fabs(l - r) < 1e-8; });
+#else
         is_equal = std::equal(
             out_ptr, out_ptr + numel, expected_outs_[out_name].data());
-      }
 #endif
+      }
       if (!is_equal) {
         all_equal = false;
         break;