ByteAddressBuffer firstMatrix : register(t0, space0); ByteAddressBuffer secondMatrix : register(t1, space0); RWByteAddressBuffer resultMatrix : register(u2, space0); cbuffer cbuffer_uniforms : register(b3, space0) { uint4 uniforms[1]; }; float mm_readA(uint row, uint col) { bool tint_tmp = (row < uniforms[0].x); if (tint_tmp) { tint_tmp = (col < uniforms[0].y); } if ((tint_tmp)) { const float result = asfloat(firstMatrix.Load((4u * ((row * uniforms[0].y) + col)))); return result; } return 0.0f; } float mm_readB(uint row, uint col) { bool tint_tmp_1 = (row < uniforms[0].y); if (tint_tmp_1) { tint_tmp_1 = (col < uniforms[0].z); } if ((tint_tmp_1)) { const float result = asfloat(secondMatrix.Load((4u * ((row * uniforms[0].z) + col)))); return result; } return 0.0f; } void mm_write(uint row, uint col, float value) { bool tint_tmp_2 = (row < uniforms[0].x); if (tint_tmp_2) { tint_tmp_2 = (col < uniforms[0].z); } if ((tint_tmp_2)) { const uint index = (col + (row * uniforms[0].z)); resultMatrix.Store((4u * index), asuint(value)); } } static const uint RowPerThread = 4u; static const uint ColPerThread = 4u; static const uint TileAOuter = 64u; static const uint TileBOuter = 64u; static const uint TileInner = 64u; groupshared float mm_Asub[64][64]; groupshared float mm_Bsub[64][64]; struct tint_symbol_1 { uint3 local_id : SV_GroupThreadID; uint local_invocation_index : SV_GroupIndex; uint3 global_id : SV_DispatchThreadID; }; void main_inner(uint3 local_id, uint3 global_id, uint local_invocation_index) { { for(uint idx = local_invocation_index; (idx < 4096u); idx = (idx + 256u)) { const uint i = (idx / 64u); const uint i_1 = (idx % 64u); mm_Asub[i][i_1] = 0.0f; mm_Bsub[i][i_1] = 0.0f; } } GroupMemoryBarrierWithGroupSync(); const uint tileRow = (local_id.y * RowPerThread); const uint tileCol = (local_id.x * ColPerThread); const uint globalRow = (global_id.y * RowPerThread); const uint globalCol = (global_id.x * ColPerThread); const uint numTiles = (((uniforms[0].y - 1u) / TileInner) + 1u); float acc[16] = (float[16])0; float ACached = 0.0f; float BCached[4] = (float[4])0; { for(uint index = 0u; (index < (RowPerThread * ColPerThread)); index = (index + 1u)) { acc[index] = 0.0f; } } const uint ColPerThreadA = (TileInner / 16u); const uint tileColA = (local_id.x * ColPerThreadA); const uint RowPerThreadB = (TileInner / 16u); const uint tileRowB = (local_id.y * RowPerThreadB); { for(uint t = 0u; (t < numTiles); t = (t + 1u)) { { for(uint innerRow = 0u; (innerRow < RowPerThread); innerRow = (innerRow + 1u)) { { for(uint innerCol = 0u; (innerCol < ColPerThreadA); innerCol = (innerCol + 1u)) { const uint inputRow = (tileRow + innerRow); const uint inputCol = (tileColA + innerCol); mm_Asub[inputRow][inputCol] = mm_readA((globalRow + innerRow), ((t * TileInner) + inputCol)); } } } } { for(uint innerRow = 0u; (innerRow < RowPerThreadB); innerRow = (innerRow + 1u)) { { for(uint innerCol = 0u; (innerCol < ColPerThread); innerCol = (innerCol + 1u)) { const uint inputRow = (tileRowB + innerRow); const uint inputCol = (tileCol + innerCol); mm_Bsub[innerCol][inputCol] = mm_readB(((t * TileInner) + inputRow), (globalCol + innerCol)); } } } } GroupMemoryBarrierWithGroupSync(); { for(uint k = 0u; (k < TileInner); k = (k + 1u)) { { for(uint inner = 0u; (inner < ColPerThread); inner = (inner + 1u)) { BCached[inner] = mm_Bsub[k][(tileCol + inner)]; } } { for(uint innerRow = 0u; (innerRow < RowPerThread); innerRow = (innerRow + 1u)) { ACached = mm_Asub[(tileRow + innerRow)][k]; { for(uint innerCol = 0u; (innerCol < ColPerThread); innerCol = (innerCol + 1u)) { const uint index = ((innerRow * ColPerThread) + innerCol); acc[index] = (acc[index] + (ACached * BCached[innerCol])); } } } } } } GroupMemoryBarrierWithGroupSync(); } } { for(uint innerRow = 0u; (innerRow < RowPerThread); innerRow = (innerRow + 1u)) { { for(uint innerCol = 0u; (innerCol < ColPerThread); innerCol = (innerCol + 1u)) { const uint index = ((innerRow * ColPerThread) + innerCol); mm_write((globalRow + innerRow), (globalCol + innerCol), acc[index]); } } } } } [numthreads(16, 16, 1)] void main(tint_symbol_1 tint_symbol) { main_inner(tint_symbol.local_id, tint_symbol.global_id, tint_symbol.local_invocation_index); return; }