tweak

composable_kernel/include/kernel_algorithm/gridwise_convolution_implicit_gemm_v4r1_nchw_kcyx_nkhw_lds_double_buffer.hpp

@@ -155,7 +155,7 @@ struct GridwiseConvolutionImplicitGemm_v4r1_nchw_kcyx_nkhw_lds_double_buffer
         static_assert(in_e_n1_b_n2_block_desc.GetStride(I1) % GemmDataPerReadB == 0,
                       "GemmDataPerReadB alignment requirement is not satisfied");
 
-#if 1 // debug
+#if 1
         // input blockwise copy
         //     slice a merged tensor, reorder and copy to a normal tensor
         //     this copy operator already has blockwise offset built-in
@@ -198,7 +198,7 @@ struct GridwiseConvolutionImplicitGemm_v4r1_nchw_kcyx_nkhw_lds_double_buffer
             Sequence<EPerBlock, KPerBlock>{},
             Number<math::lcm(WeiBlockCopyDstDataPerWrite_K, GemmDataPerReadA)>{});
 
-#if 1 // debug
+#if 1
         // operator for blockwise copy of weight into LDS
         //     slice a tensor, and copy it into another tensor
         //     this copy operator already have blockwise offset built-in
@@ -324,10 +324,12 @@ struct GridwiseConvolutionImplicitGemm_v4r1_nchw_kcyx_nkhw_lds_double_buffer
 
 #if 1
                 blockwise_in_copy.MoveSlicingWindowOnSourceTensor(I0, Number<EPerBlock>{}, True);
+                // blockwise_wei_copy.MoveSlicingWindowOnSourceTensor(I0, Number<EPerBlock>{},
+                // True);
                 p_wei_block_on_global += EPerBlock * wei_e_k_global_desc.GetStride(I0);
 #else
-                blockwise_in_copy.MoveSrcSlicingWindow({EPerBlock, 0, 0, 0}, true);
-                blockwise_wei_copy.MoveSrcSlicingWindow({EPerBlock, 0}, true);
+                blockwise_in_copy.MoveSrcSlicingWindow(Sequence<EPerBlock, 0, 0, 0>{}, True);
+                blockwise_wei_copy.MoveSrcSlicingWindow(Sequence<EPerBlock, 0>{}, True);
 #endif
 
                 __syncthreads();
@@ -348,16 +350,17 @@ struct GridwiseConvolutionImplicitGemm_v4r1_nchw_kcyx_nkhw_lds_double_buffer
 
         // LDS double buffer: tail
         {
+            // even iteration
             Float p_in_register_buffer[blockwise_in_copy.GetRegisterBufferSize()];
             Float p_wei_register_buffer[blockwise_wei_copy.GetRegisterBufferSize()];
 
-// even iteration
 #if 1
             blockwise_in_copy.MoveSlicingWindowOnSourceTensor(I0, Number<EPerBlock>{}, True);
+            // blockwise_wei_copy.MoveSlicingWindowOnSourceTensor(I0, Number<EPerBlock>{}, True);
             p_wei_block_on_global += EPerBlock * wei_e_k_global_desc.GetStride(I0);
 #else
-            blockwise_in_copy.MoveSrcSlicingWindow({EPerBlock, 0, 0, 0}, true);
-            blockwise_wei_copy.MoveSrcSlicingWindow({EPerBlock, 0}, true);
+            blockwise_in_copy.MoveSrcSlicingWindow(Sequence<EPerBlock, 0, 0, 0>{}, True);
+            blockwise_wei_copy.MoveSrcSlicingWindow(Sequence<EPerBlock, 0>{}, True);
 #endif
 
             __syncthreads();
@@ -431,7 +434,7 @@ struct GridwiseConvolutionImplicitGemm_v4r1_nchw_kcyx_nkhw_lds_double_buffer
                 out_k_n1_b_n2_global_merged_desc.GetOffsetFromMultiIndex(
                     k_thread_data_on_global, 0, b_thread_data_on_global, 0);
 
-#if 1 // debug
+#if 1
             threadwise_generic_tensor_slice_copy_v1(
                 out_n0_n1_n2_k0_k1_k2_h_w_thread_desc,
                 p_out_thread,

composable_kernel/include/tensor_description/tensor_coordinate.hpp

@@ -125,12 +125,15 @@ struct MergedTensorCoordinate
 
     __host__ __device__ constexpr index_t GetOffset() const { return mOffset; }
 
-    // step_size should be known at compile time
-    template <class IDim, bool PositiveDirection>
+    template <class IDim, class T, bool PositiveDirection>
     __host__ __device__ void
-    MoveOnDimension(IDim, index_t step_size, integral_constant<bool, PositiveDirection>)
+    MoveOnDimension(IDim idim_, T step_size, integral_constant<bool, PositiveDirection>)
     {
-        constexpr auto idim = IDim{};
+        constexpr auto idim = idim_;
+
+        // if step_size is known at compile time
+        static_if<is_static<T>::value>{}(
+            [&](auto) { static_if<T{} == 0>{}([&](auto) { return; }); });
 
         // update original index
         static_if<tensor_desc_type::ContainMultipleOriginalDimensions(idim)>{}([&](auto) {

composable_kernel/include/tensor_operation/blockwise_generic_tensor_slice_copy.hpp

@@ -446,14 +446,18 @@ struct BlockwiseGenericTensorSliceCopy_v2
         mThreadwiseStore.Run(p_buffer, p_dst);
     }
 
-    __device__ void MoveSrcSlicingWindow(Array<index_t, nDim> step_sizes, bool positive_direction)
+    template <class T, bool PositiveDirection>
+    __device__ void MoveSrcSlicingWindow(T step_sizes, integral_constant<bool, PositiveDirection>)
     {
-        mThreadwiseLoad.MoveSrcSlicingWindow(step_sizes, positive_direction);
+        mThreadwiseLoad.MoveSrcSlicingWindow(step_sizes,
+                                             integral_constant<bool, PositiveDirection>{});
     }
 
-    __device__ void MoveDstSlicingWindow(Array<index_t, nDim> step_sizes, bool positive_direction)
+    template <class T, bool PositiveDirection>
+    __device__ void MoveDstSlicingWindow(T step_sizes, integral_constant<bool, PositiveDirection>)
     {
-        mThreadwiseStore.MoveDstSlicingWindow(step_sizes, positive_direction);
+        mThreadwiseLoad.MoveDstSlicingWindow(step_sizes,
+                                             integral_constant<bool, PositiveDirection>{});
     }
 
     private:

composable_kernel/include/tensor_operation/threadwise_generic_tensor_slice_copy.hpp

@@ -216,28 +216,20 @@ struct ThreadwiseGenericTensorSliceCopy_v2
         });
     }
 
-    __device__ void MoveSrcSlicingWindow(Array<index_t, nDim> step_sizes, bool positive_direction)
-    {
-        if(positive_direction)
+    template <class T, bool PositiveDirection>
+    __device__ void MoveSrcSlicingWindow(T step_sizes, integral_constant<bool, PositiveDirection>)
     {
+        static_if<PositiveDirection>{}([&](auto) {
             mSrcSliceOrigin += step_sizes;
-        }
-        else
-        {
-            mSrcSliceOrigin -= step_sizes;
-        }
+        }).Else([&](auto) { mSrcSliceOrigin -= step_sizes; });
     }
 
-    __device__ void MoveDstSlicingWindow(Array<index_t, nDim> step_sizes, bool positive_direction)
-    {
-        if(positive_direction)
-        {
-            mDstSliceOrigin += step_sizes;
-        }
-        else
+    template <class T, bool PositiveDirection>
+    __device__ void MoveDstSlicingWindow(T step_sizes, integral_constant<bool, PositiveDirection>)
     {
+        static_if<PositiveDirection>([&](auto) { mDstSliceOrigin += step_sizes; }).Else([&](auto) {
             mDstSliceOrigin -= step_sizes;
-        }
+        });
     }
 
     // private:

composable_kernel/include/utility/functional3.hpp

@@ -8,6 +8,21 @@
 
 namespace ck {
 
+template <class>
+struct is_static : integral_constant<bool, false>
+{
+};
+
+template <class T, T X>
+struct is_static<integral_constant<T, X>> : integral_constant<bool, true>
+{
+};
+
+template <index_t... Is>
+struct is_static<Sequence<Is...>> : integral_constant<bool, true>
+{
+};
+
 // RemainLengths: Sequence<...>
 template <class RemainLengths>
 struct static_ford_impl

driver/src/driver.cpp

@@ -379,7 +379,7 @@ int main(int argc, char* argv[])
 #elif 0
     device_convolution_implicit_gemm_v3_nchw_cyxk_nkhw(
         (in_nchw_desc, in_nchw, wei_kcyx_desc, wei_kcyx, out_nkhw_desc, out_nkhw_device, nrepeat);
-#elif 0
+#elif 1
     device_convolution_implicit_gemm_v4r1_nchw_kcyx_nkhw(in_nchw_desc,
                                                          in_nchw,
                                                          wei_kcyx_desc,