fix sgd bug.

mindspore/ccsrc/backend/kernel_compiler/gpu/arrays/scatter_nd_gpu_kernel.h

@@ -69,7 +69,10 @@ class ScatterNdGpuFwdKernel : public GpuKernel {
       memcpy_flag_ = true;
     }
 
-    ScatterNd(indices, update, output, block_size_, input_size_, output_size_, indices_dim_0_, indices_dim_1_,
+    const size_t input_size = input_size_ / sizeof(T);
+    const size_t output_size = output_size_ / sizeof(T);
+
+    ScatterNd(indices, update, output, block_size_, input_size, output_size, indices_dim_0_, indices_dim_1_,
               indices_stride_, work_shape_, reinterpret_cast<cudaStream_t>(stream_ptr));
     return true;
   }
@@ -138,7 +141,7 @@ class ScatterNdGpuFwdKernel : public GpuKernel {
 
     // calculate indices dim 0/1
     indices_dim_0_ = indices_shapes_[0];
-    indices_dim_1_ = indices_shapes_[1];
+    indices_dim_1_ = indices_shapes_[indices_shapes_.size() - 1];
 
     // calculate block_size
     for (size_t i = indices_dim_1_; i < output_shapes_.size(); i++) {
@@ -146,10 +149,7 @@ class ScatterNdGpuFwdKernel : public GpuKernel {
     }
 
     // calculate indices_stride
-    for (size_t i = 0; i < indices_dim_1_; i++) {
-      vec_indices_stride_.push_back(0);
-    }
-
+    vec_indices_stride_.resize(indices_dim_1_, 0);
     vec_indices_stride_[indices_dim_1_ - 1] = block_size_;
 
     for (size_t i = indices_dim_1_ - 1; i > 0; --i) {

mindspore/ccsrc/backend/kernel_compiler/gpu/cuda_impl/iou_impl.cu

@@ -50,12 +50,12 @@ __global__ void IOUKernel(const size_t size, const T *box1, const T *box2, T *io
 
     T area1 = (location_coordinate[0][2] - location_coordinate[0][0] + 1) * (location_coordinate[0][3] -
                location_coordinate[0][1] + 1);
+    T area2 = (location_coordinate[1][2] - location_coordinate[1][0] + 1) * (location_coordinate[1][3] -
+                                                                             location_coordinate[1][1] + 1);
     if (mode == 0) {
-      T area2 = (location_coordinate[1][2] - location_coordinate[1][0] + 1) * (location_coordinate[1][3] -
-               location_coordinate[1][1] + 1);
       iou_results[i] = overlaps / (area1 + area2 - overlaps + epsilon);
     } else {
-      iou_results[i] = overlaps / (area1 + epsilon);
+      iou_results[i] = overlaps / (area2 + epsilon);
     }
   }
 

mindspore/ccsrc/backend/kernel_compiler/gpu/cuda_impl/scatter_nd.cu

@@ -15,7 +15,9 @@
  */
 
 #include "backend/kernel_compiler/gpu/cuda_impl/scatter_nd.cuh"
+#include "backend/kernel_compiler/gpu/cuda_impl/util.cuh"
 #include "runtime/device/gpu/cuda_common.h"
+
 template <typename T, typename S>
 __global__ void ScatterNdKernel(S *indices, T *update, T *output, const size_t block_size, const size_t input_size,
                                 const size_t output_size, const size_t indices_dim_0, const size_t indices_dim_1,
@@ -39,7 +41,7 @@ __global__ void ScatterNdKernel(S *indices, T *update, T *output, const size_t b
     out_bound |= write_index >= output_size;
 
     if (!out_bound) {
-      output[write_index] = update[read_index];
+      ms_atomic_add(&output[write_index], update[read_index]);
     }
   }
 }
@@ -48,7 +50,7 @@ template <typename T, typename S>
 void ScatterNd(S *indices, T *update, T *output, const size_t &block_size, const size_t &input_size,
                const size_t &output_size, const size_t &indices_dim_0, const size_t &indices_dim_1, S *indices_stride,
                S *work_shape, cudaStream_t stream) {
-  ScatterNdKernel<<<GET_BLOCKS(input_size), GET_THREADS, 0, stream>>>(indices, update, output, block_size, input_size,
+  ScatterNdKernel<<<GET_BLOCKS(output_size), GET_THREADS, 0, stream>>>(indices, update, output, block_size, input_size,
                                                                       output_size, indices_dim_0, indices_dim_1,
                                                                       indices_stride, work_shape);
   return;

mindspore/ccsrc/backend/kernel_compiler/gpu/cuda_impl/sgd_impl.cu

@@ -22,12 +22,12 @@ __global__ void SGDKernel(const int size, const T dampening, const T weight_deca
                           const T *momentum, const T *lr, T *param, T *accum, T *stat) {
   for (int i = blockIdx.x * blockDim.x + threadIdx.x; i < (size); i += blockDim.x * gridDim.x) {
     T grad_new = grad[i];
-    if (weight_decay != static_cast<T>(0)) {
+    if (weight_decay > static_cast<T>(0)) {
       grad_new += param[i] * weight_decay;
     }
 
-    if (momentum[0] != static_cast<T>(0)) {
-      if (stat[i] == static_cast<T>(0)) {
+    if (momentum[0] > static_cast<T>(0)) {
+      if (stat[i] > static_cast<T>(0)) {
         accum[i] = grad_new;
         stat[i] = 0;
       } else {

mindspore/ops/operations/other_ops.py

@@ -101,6 +101,8 @@ class BoundingBoxEncode(PrimitiveWithInfer):
     def infer_shape(self, anchor_box, groundtruth_box):
         validator.check('anchor_box shape[0]', anchor_box[0], 'groundtruth_box shape[0]', groundtruth_box[0], Rel.EQ,
                         self.name)
+        validator.check("anchor_box rank", len(anchor_box), "", 2, Rel.EQ, self.name)
+        validator.check("groundtruth_box rank", len(groundtruth_box), "", 2, Rel.EQ, self.name)
         validator.check_integer('anchor_box shape[1]', anchor_box[1], 4, Rel.EQ, self.name)
         validator.check_integer('groundtruth_box shape[1]', groundtruth_box[1], 4, Rel.EQ, self.name)
         return anchor_box
@@ -152,6 +154,8 @@ class BoundingBoxDecode(PrimitiveWithInfer):
 
     def infer_shape(self, anchor_box, deltas):
         validator.check('anchor_box shape[0]', anchor_box[0], 'deltas shape[0]', deltas[0], Rel.EQ, self.name)
+        validator.check("anchor_box rank", len(anchor_box), "", 2, Rel.EQ, self.name)
+        validator.check("deltas rank", len(deltas), "", 2, Rel.EQ, self.name)
         validator.check_integer('anchor_box shape[1]', anchor_box[1], 4, Rel.EQ, self.name)
         validator.check_integer('deltas shape[1]', deltas[1], 4, Rel.EQ, self.name)
         return anchor_box