libtommath/bncore.c
2019-04-07 17:26:31 +02:00

21 lines
820 B
C

#include "tommath_private.h"
#ifdef BNCORE_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis */
/* SPDX-License-Identifier: Unlicense */
/* Known optimal configurations
CPU /Compiler /MUL CUTOFF/SQR CUTOFF
-------------------------------------------------------------
Intel P4 Northwood /GCC v3.4.1 / 88/ 128/LTM 0.32 ;-)
AMD Athlon64 /GCC v3.4.4 / 80/ 120/LTM 0.35
*/
int KARATSUBA_MUL_CUTOFF = 80, /* Min. number of digits before Karatsuba multiplication is used. */
KARATSUBA_SQR_CUTOFF = 120, /* Min. number of digits before Karatsuba squaring is used. */
TOOM_MUL_CUTOFF = 350, /* no optimal values of these are known yet so set em high */
TOOM_SQR_CUTOFF = 400;
#endif