fix review comments

src/targets/gpu/gemm.cpp

@@ -167,38 +167,27 @@ rb_type<T>* to_rocblas_type(T* x)
 
 rocblas_half to_rocblas_type(half x) { return reinterpret_cast<const rocblas_half&>(x); }
 
-shape miopen_gemm::compute_shape(const std::vector<shape>& inputs) const
+void miopen_gemm::batch_not_transposed(const std::vector<std::size_t>& strides) const
 {
-    std::vector<shape> input_shapes(inputs.begin(), inputs.begin() + inputs.size() - 1);
-    check_shapes{input_shapes}.not_broadcasted();
-    auto a_strides = inputs[0].strides();
-    auto dim_0     = a_strides.size() - 2;
-    if(a_strides.size() > 2)
+    if (strides.size() <= 2) return;
+    auto dim_0 = strides.size() - 2;
+    auto matrix_size = std::max(strides[dim_0], strides[dim_0 + 1]);
+    std::vector<std::size_t> batch(strides.begin(), strides.begin() + dim_0);
+    if(std::adjacent_find(batch.begin(), batch.end(), [&](auto i, auto j) {
+            return (i < j or i < matrix_size or j < matrix_size);
+        }) != batch.end())
     {
-        if(!std::all_of(a_strides.begin(), a_strides.begin() + dim_0, [&](auto batch_size) {
-               return std::all_of(a_strides.begin() + dim_0, a_strides.end(), [&](auto data_size) {
-                   return batch_size >= data_size;
-               });
-           }))
-        {
-            MIGRAPHX_THROW("DOT: batch size of a {" + to_string_range(a_strides) +
-                           "} is transposed!");
-        }
+        MIGRAPHX_THROW("DOT: batch size of a {" + to_string_range(strides) +
+                        "} is transposed!");
     }
+}
 
-    auto b_strides = inputs[1].strides();
-    if(b_strides.size() > 2)
-    {
-        if(!std::all_of(b_strides.begin(), b_strides.begin() + dim_0, [&](auto batch_size) {
-               return std::all_of(b_strides.begin() + dim_0, b_strides.end(), [&](auto data_size) {
-                   return batch_size >= data_size;
-               });
-           }))
-        {
-            MIGRAPHX_THROW("DOT: batch size of b {" + to_string_range(b_strides) +
-                           "} is transposed!");
-        }
-    }
+shape miopen_gemm::compute_shape(const std::vector<shape>& inputs) const
+{
+    std::vector<shape> input_shapes(inputs.begin(), inputs.begin() + inputs.size() - 1);
+    check_shapes{input_shapes}.not_broadcasted();
+    batch_not_transposed(inputs[0].strides());
+    batch_not_transposed(inputs[1].strides());
 
     return op.compute_shape(input_shapes);
 }

src/targets/gpu/include/migraphx/gpu/gemm.hpp

@@ -24,6 +24,7 @@ struct miopen_gemm
     shape compute_shape(const std::vector<shape>& inputs) const;
     argument
     compute(context& ctx, const shape& output_shape, const std::vector<argument>& args) const;
+    void batch_not_transposed(const std::vector<std::size_t>& strides) const;
     std::ptrdiff_t output_alias(const std::vector<shape>& shapes) const
     {
         return shapes.size() - 1;