Add compile-time guard for adequate buffersize

as suggested by akobotov in #2538
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Martin Kroeker 2020-04-02 10:58:05 +02:00 committed by GitHub
parent 5e3e657caa
commit df989d7a52
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1 changed files with 22 additions and 0 deletions

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@ -87,6 +87,28 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#endif
#endif
/* Memory buffer must fit two matrix subblocks of maximal size */
#if BUFFER_SIZE < (SGEMM_DEFAULT_P * SGEMM_DEFAULT_Q * 4 * 2) || \
BUFFER_SIZE < (SGEMM_DEFAULT_P * SGEMM_DEFAULT_R * 4 * 2) || \
BUFFER_SIZE < (SGEMM_DEFAULT_R * SGEMM_DEFAULT_Q * 4 * 2)
#error BUFFER_SIZE is too small for P, Q, and R of SGEMM
#endif
#if BUFFER_SIZE < (DGEMM_DEFAULT_P * DGEMM_DEFAULT_Q * 8 * 2) || \
BUFFER_SIZE < (DGEMM_DEFAULT_P * DGEMM_DEFAULT_R * 8 * 2) || \
BUFFER_SIZE < (DGEMM_DEFAULT_R * DGEMM_DEFAULT_Q * 8 * 2)
#error BUFFER_SIZE is too small for P, Q, and R of DGEMM
#endif
#if BUFFER_SIZE < (CGEMM_DEFAULT_P * CGEMM_DEFAULT_Q * 8 * 2) || \
BUFFER_SIZE < (CGEMM_DEFAULT_P * CGEMM_DEFAULT_R * 8 * 2) || \
BUFFER_SIZE < (CGEMM_DEFAULT_R * CGEMM_DEFAULT_Q * 8 * 2)
#error BUFFER_SIZE is too small for P, Q, and R of CGEMM
#endif
#if BUFFER_SIZE < (ZGEMM_DEFAULT_P * ZGEMM_DEFAULT_Q * 16 * 2) || \
BUFFER_SIZE < (ZGEMM_DEFAULT_P * ZGEMM_DEFAULT_R * 16 * 2) || \
BUFFER_SIZE < (ZGEMM_DEFAULT_R * ZGEMM_DEFAULT_Q * 16 * 2)
#error BUFFER_SIZE is too small for P, Q, and R of ZGEMM
#endif
#if defined(COMPILE_TLS)
#include <errno.h>