+#include <tommath.h>
+#ifdef BNCORE_C
/* LibTomMath, multiple-precision integer library -- Tom St Denis
*
- * LibTomMath is library that provides for multiple-precision
+ * LibTomMath is a library that provides multiple-precision
* integer arithmetic as well as number theoretic functionality.
*
- * The library is designed directly after the MPI library by
+ * The library was designed directly after the MPI library by
* Michael Fromberger but has been written from scratch with
* additional optimizations in place.
*
*
* Tom St Denis, tomstdenis@iahu.ca, http://math.libtomcrypt.org
*/
-#include <tommath.h>
/* Known optimal configurations
CPU /Compiler /MUL CUTOFF/SQR CUTOFF
-------------------------------------------------------------
- Intel P4 /GCC v3.2 / 70/ 108
- AMD Athlon XP /GCC v3.2 / 109/ 127
- Intel Celeron /GCC v3.2.1 / 97/ 127
- Mendocino 366mhz (evil)
- Intel P3 750mhz /GCC v3.2.1 / 95/ 110
- Coppermine (mussel)
- Intel Celeron /GCC v3.2.1 / 85/ 125
- Coppermine 700mhz
- Alpha /compaq / 54/ 87
- Compaq C V6.4-014 on Compaq Tru64 UNIX V5.1A (Rev. 1885)
- AlphaServer 1000A 5/300
- morwong
- Pentium classic 75 /GCC v3.2.1 / 73/ 127
- plod
-
+ Intel P4 Northwood /GCC v3.4.1 / 88/ 128/LTM 0.32 ;-)
+ AMD Athlon64 /GCC v3.4.4 / 74/ 124/LTM 0.34
+
*/
-/* configured for a AMD XP Thoroughbred core with etc/tune.c */
-int KARATSUBA_MUL_CUTOFF = 109, /* Min. number of digits before Karatsuba multiplication is used. */
- KARATSUBA_SQR_CUTOFF = 127, /* Min. number of digits before Karatsuba squaring is used. */
+int KARATSUBA_MUL_CUTOFF = 74, /* Min. number of digits before Karatsuba multiplication is used. */
+ KARATSUBA_SQR_CUTOFF = 124, /* 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