| /* |
| * Copyright (c) 2019-2024, NVIDIA CORPORATION. All rights reserved. |
| * |
| * Permission is hereby granted, free of charge, to any person obtaining a |
| * copy of this software and associated documentation files (the "Software"), |
| * to deal in the Software without restriction, including without limitation |
| * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| * and/or sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following conditions: |
| * |
| * The above copyright notice and this permission notice shall be included in |
| * all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
| * DEALINGS IN THE SOFTWARE. |
| */ |
| #version 450 core |
| #pragma use_vulkan_memory_model |
| #extension GL_EXT_scalar_block_layout : enable |
| #extension GL_KHR_memory_scope_semantics : enable |
| #extension GL_KHR_cooperative_matrix : enable |
| #extension GL_EXT_shader_explicit_arithmetic_types_float16 : enable |
| #extension GL_EXT_shader_explicit_arithmetic_types_int8 : enable |
| #extension GL_EXT_shader_explicit_arithmetic_types_int32 : enable |
| #extension GL_EXT_buffer_reference : enable |
| #extension GL_EXT_control_flow_attributes : enable |
| |
| layout(constant_id = 0) const uint lM = 1; |
| layout(constant_id = 1) const uint lN = 1; |
| layout(constant_id = 2) const uint lK = 1; |
| layout(constant_id = 3) const uint TILE_M = 1; |
| layout(constant_id = 4) const uint TILE_N = 1; |
| layout(constant_id = 5) const uint TILE_K = 1; |
| layout(constant_id = 6) const uint K = 1; |
| |
| #define A_BITS 16 |
| #define A_TYPE float16_t |
| #define C_BITS 16 |
| #define C_TYPE float16_t |
| |
| buffer Output { C_TYPE x[]; } outputO; |
| |
| shared uvec4 Ash[128]; |
| shared uvec4 Bsh[128]; |
| |
| const uint C_ROWS = 2; |
| const uint C_COLS = 2; |
| coopmat<C_TYPE, gl_ScopeSubgroup, lM, lN, gl_MatrixUseAccumulator> result[C_ROWS][C_COLS]; |
| |
| void main() |
| { |
| [[unroll]] for (uint i = 0; i < C_ROWS; ++i) { |
| [[unroll]] for (uint j = 0; j < C_COLS; ++j) { |
| result[i][j] = coopmat<C_TYPE, gl_ScopeSubgroup, lM, lN, gl_MatrixUseAccumulator>(0.0); |
| } |
| } |
| |
| for (uint chunkK = 0; chunkK < K; chunkK += TILE_K) { |
| [[unroll]] for (uint k = 0; k < TILE_K / lK; ++k) |
| { |
| coopmat<A_TYPE, gl_ScopeSubgroup, lM, lK, gl_MatrixUseA> matA[C_ROWS]; |
| [[unroll]] for (uint i = 0; i < C_ROWS; ++i) { |
| coopMatLoad(matA[i], Ash, 0, 0, gl_CooperativeMatrixLayoutRowMajor); |
| } |
| |
| coopmat<A_TYPE, gl_ScopeSubgroup, lK, lN, gl_MatrixUseB> matB; |
| [[unroll]] for (uint j = 0; j < C_COLS; ++j) { |
| coopMatLoad(matB, Bsh, 0, 0, gl_CooperativeMatrixLayoutRowMajor); |
| |
| [[unroll]] for (uint i = 0; i < C_ROWS; ++i) { |
| result[i][j] = coopMatMulAdd(matA[i], matB, result[i][j]); |
| } |
| } |
| } |
| } |
| |
| [[unroll]] for (uint i = 0; i < C_ROWS; ++i) { |
| [[unroll]] for (uint j = 0; j < C_COLS; ++j) { |
| coopMatStore(result[i][j], outputO.x, 0, 0, gl_CooperativeMatrixLayoutRowMajor); |
| } |
| } |
| } |