1 /* Copyright 2019 Google LLC. All Rights Reserved. 2 3 Licensed under the Apache License, Version 2.0 (the "License"); 4 you may not use this file except in compliance with the License. 5 You may obtain a copy of the License at 6 7 http://www.apache.org/licenses/LICENSE-2.0 8 9 Unless required by applicable law or agreed to in writing, software 10 distributed under the License is distributed on an "AS IS" BASIS, 11 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 See the License for the specific language governing permissions and 13 limitations under the License. 14 ==============================================================================*/ 15 16 // As a matrix multiplication library, Ruy offers a Mul entry point, performing 17 // matrix multiplication. For implementation purposes, it is much nicer to 18 // be dealing with the transpose-and-multiply operation, doing 19 // Destination = Transpose(LHS) * RHS 20 // Indeed, the latter is performing dot-products between the *columns* of LHS 21 // and the columns of RHS, whereas a plain matrix multiplication is performing 22 // dot-products between the *rows* of LHS and the columns of RHS. 23 // That is why TrMul is nicer to implement, allowing for a more symmetric 24 // treatment of LHS and RHS. 25 26 #ifndef RUY_RUY_TRMUL_H_ 27 #define RUY_RUY_TRMUL_H_ 28 29 #include "ruy/ctx.h" 30 #include "ruy/trmul_params.h" 31 32 namespace ruy { 33 34 struct ContextInternal; 35 void TrMul(Ctx* ctx, TrMulParams* params); 36 37 } // namespace ruy 38 39 #endif // RUY_RUY_TRMUL_H_ 40