diff options
Diffstat (limited to 'cmake/Openblas.cmake')
| -rw-r--r-- | cmake/Openblas.cmake | 119 |
1 files changed, 119 insertions, 0 deletions
diff --git a/cmake/Openblas.cmake b/cmake/Openblas.cmake new file mode 100644 index 0000000..da62363 --- /dev/null +++ b/cmake/Openblas.cmake @@ -0,0 +1,119 @@ +option (ENABLE_BLAS "Enable openblas for fast neural network processing [default: OFF]" OFF) + +IF(ENABLE_BLAS MATCHES "ON") + ProcessPackage(BLAS OPTIONAL_INCLUDE LIBRARY openblas blas blis + INCLUDE cblas.h INCLUDE_SUFFIXES include/openblas + include/blas + include/blis + ROOT ${BLAS_ROOT_DIR} + LIB_OUTPUT BLAS_REQUIRED_LIBRARIES) + ProcessPackage(BLAS_LAPACK OPTIONAL_INCLUDE LIBRARY lapack + INCLUDE cblas.h INCLUDE_SUFFIXES include/openblas + include/blas + include/blis + ROOT ${BLAS_ROOT_DIR} + LIB_OUTPUT BLAS_REQUIRED_LIBRARIES) +ENDIF() + +IF(WITH_BLAS) + MESSAGE(STATUS "Use openblas to accelerate kann") + IF(NOT BLAS_INCLUDE) + FIND_FILE(HAVE_CBLAS_H HINTS "${RSPAMD_SEARCH_PATH}" + NAMES cblas.h + DOC "Path to cblas.h header") + IF(NOT HAVE_CBLAS_H) + MESSAGE(STATUS "Blas header cblas.h has not been found, use internal workaround") + ELSE() + SET(HAVE_CBLAS_H 1) + ENDIF() + ELSE() + SET(HAVE_CBLAS_H 1) + ENDIF() + file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/sgemm.c" " +#include <stddef.h> +enum CBLAS_ORDER {CblasRowMajor=101, CblasColMajor=102 }; +enum CBLAS_TRANSPOSE {CblasNoTrans=111, CblasTrans=112 }; +extern void cblas_sgemm(const enum CBLAS_ORDER Order, + const enum CBLAS_TRANSPOSE TA, + const enum CBLAS_TRANSPOSE TB, + const int M, const int N, const int K, + const float alpha, const float *A, const int lda, + const float *B, const int ldb, const float beta, + float *C, const int ldc); +int main(int argc, char **argv) +{ + cblas_sgemm(CblasRowMajor, CblasNoTrans, CblasNoTrans, 0, 0, 0, 0, NULL, 0, + NULL, 0, 0, NULL, 0); + return 0; +} +") + try_compile(HAVE_CBLAS_SGEMM + ${CMAKE_CURRENT_BINARY_DIR} + "${CMAKE_CURRENT_BINARY_DIR}/sgemm.c" + COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} + LINK_LIBRARIES ${BLAS_REQUIRED_LIBRARIES} + OUTPUT_VARIABLE SGEMM_ERR) + file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/saxpy.c" " +#include <stddef.h> +extern void cblas_saxpy(const int __N, + const float __alpha, const float *__X, const int __incX, float *__Y, const int __incY); +int main(int argc, char **argv) +{ + cblas_saxpy(0, 0, NULL, 0, NULL, 0); + return 0; +} +") + try_compile(HAVE_CBLAS_SAXPY + ${CMAKE_CURRENT_BINARY_DIR} + "${CMAKE_CURRENT_BINARY_DIR}/saxpy.c" + COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} + LINK_LIBRARIES ${BLAS_REQUIRED_LIBRARIES} + OUTPUT_VARIABLE SAXPY_ERR) + + file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/openblas_set_num_threads.c" " +#include <stddef.h> +extern void openblas_set_num_threads(int num_threads); +int main(int argc, char **argv) +{ + openblas_set_num_threads(1); + return 0; +} +") + try_compile(HAVE_OPENBLAS_SET_NUM_THREADS + ${CMAKE_CURRENT_BINARY_DIR} + "${CMAKE_CURRENT_BINARY_DIR}/openblas_set_num_threads.c" + COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} + LINK_LIBRARIES ${BLAS_REQUIRED_LIBRARIES} + OUTPUT_VARIABLE OPENBLAS_SET_NUM_THREADS_ERR) + + file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/bli_thread_set_num_threads.c" " +#include <stddef.h> +extern void bli_thread_set_num_threads(int num_threads); +int main(int argc, char **argv) +{ + bli_thread_set_num_threads(1); + return 0; +} +") + try_compile(HAVE_BLI_THREAD_SET_NUM_THREADS + ${CMAKE_CURRENT_BINARY_DIR} + "${CMAKE_CURRENT_BINARY_DIR}/bli_thread_set_num_threads.c" + COMPILE_DEFINITIONS ${CMAKE_REQUIRED_DEFINITIONS} + LINK_LIBRARIES ${BLAS_REQUIRED_LIBRARIES} + OUTPUT_VARIABLE BLI_SET_NUM_THREADS_ERR) + # Cmake is just brain damaged + #CHECK_LIBRARY_EXISTS(${BLAS_REQUIRED_LIBRARIES} cblas_sgemm "" HAVE_CBLAS_SGEMM) + if(HAVE_CBLAS_SGEMM) + MESSAGE(STATUS "Blas has CBLAS sgemm") + else() + MESSAGE(STATUS "Blas has -NOT- CBLAS sgemm, use internal workaround: ${SGEMM_ERR}") + endif() + if(HAVE_CBLAS_SAXPY) + MESSAGE(STATUS "Blas has CBLAS saxpy") + else() + MESSAGE(STATUS "Blas has -NOT- CBLAS saxpy, use internal workaround: ${SAXPY_ERR}") + endif() + SET(HAVE_CBLAS 1) +ENDIF(WITH_BLAS) + +CONFIGURE_FILE("${CMAKE_SOURCE_DIR}/blas-config.h.in" "${CMAKE_BINARY_DIR}/src/blas-config.h")
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