public/tomsfastmath
3
0
Fork 0
forked from ibphoenix/tomsfastmath
Code Releases Activity

Merge branch 'fix/issue#6'

Browse Source 
This closes #6
This closes #7
This commit is contained in:
Steffen Jaeckel 2015-02-15 15:35:13 +01:00
commit 8aba8446f2
10 changed files with 718 additions and 471 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
.gitignore vendored
View File

@ -20,3 +20,5 @@ stest
stest.exe
rsatest
rsatest.exe
timing
timing.exe

20
.travis.yml
View File

@ -1,18 +1,26 @@
language: c
compiler:
- gcc
script: CC="${MYCC}" make test >test_gcc_1.txt 2>test_gcc_2.txt && ./test >test_std.txt 2>test_err.txt
script: CC="${MYCC}" make ${SHARED} test_standalone >test_gcc_1.txt 2>test_gcc_2.txt && ./test >test_std.txt 2>test_err.txt
env:
- MYCC="gcc"
- MYCC="gcc -m32"
- MYCC="gcc-4.8"
- MYCC="gcc-4.8 -m32"
- MYCC="gcc" SHARED=""
- MYCC="gcc -m32" SHARED=""
- MYCC="gcc-4.8" SHARED=""
- MYCC="gcc-4.8 -m32" SHARED=""
- MYCC="gcc-4.9" SHARED=""
- MYCC="gcc-4.9 -m32" SHARED=""
- MYCC="gcc" SHARED="-f makefile.shared"
- MYCC="gcc -m32" SHARED="-f makefile.shared"
- MYCC="gcc-4.8" SHARED="-f makefile.shared"
- MYCC="gcc-4.8 -m32" SHARED="-f makefile.shared"
- MYCC="gcc-4.9" SHARED="-f makefile.shared"
- MYCC="gcc-4.9 -m32" SHARED="-f makefile.shared"
matrix:
fast_finish: true
before_script:
- sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
- sudo apt-get -qq update
- sudo apt-get install gcc-4.8-multilib gcc-multilib build-essential
- sudo apt-get install gcc-4.9-multilib gcc-4.8-multilib gcc-multilib build-essential
after_failure:
- cat test_gcc_1.txt
- cat test_std.txt

472
demo/test.c
View File

@ -3,6 +3,11 @@
#include <time.h>
#include <unistd.h>
#ifndef TFM_DEMO_TEST_VS_MTEST
#define TFM_DEMO_TEST_VS_MTEST 1
#endif
void draw(fp_int *a)
{
int x;
@ -25,69 +30,18 @@ int myrng(unsigned char *dst, int len, void *dat)
return len;
}
#ifndef TESTING
/* RDTSC from Scott Duplichan */
static ulong64 TIMFUNC (void)
{
#if defined __GNUC__
#if defined(INTEL_CC)
ulong64 a;
asm ("rdtsc":"=A"(a));
return a;
#elif defined(__i386__) || defined(__x86_64__)
/* version from http://www.mcs.anl.gov/~kazutomo/rdtsc.html
* the old code always got a warning issued by gcc, clang did not complain...
*/
unsigned hi, lo;
__asm__ __volatile__ ("rdtsc" : "=a"(lo), "=d"(hi));
return ((ulong64)lo)|( ((ulong64)hi)<<32);
#elif defined(TFM_PPC32)
unsigned long a, b;
__asm__ __volatile__ ("mftbu %1 \nmftb %0\n":"=r"(a), "=r"(b));
return (((ulong64)b) << 32ULL) | ((ulong64)a);
#elif defined(TFM_AVR32)
FILE *in;
char buf[20];
in = fopen("/sys/devices/system/cpu/cpu0/pccycles", "r");
fgets(buf, 20, in);
fclose(in);
return strtoul(buf, NULL, 10);
#else /* gcc-IA64 version */
unsigned long result;
__asm__ __volatile__("mov %0=ar.itc" : "=r"(result) :: "memory");
while (__builtin_expect ((int) result == -1, 0))
__asm__ __volatile__("mov %0=ar.itc" : "=r"(result) :: "memory");
return result;
#endif
// Microsoft and Intel Windows compilers
#elif defined _M_IX86
__asm rdtsc
#elif defined _M_AMD64
return __rdtsc ();
#elif defined _M_IA64
#if defined __INTEL_COMPILER
#include <ia64intrin.h>
#endif
return __getReg (3116);
#else
#error need rdtsc function for this build
#endif
}
#endif
char cmd[4096], buf[4096];
int main(void)
{
fp_int a,b,c,d,e,f;
unsigned long ix;
#if TFM_DEMO_TEST_VS_MTEST
unsigned long expt_n, add_n, sub_n, mul_n, div_n, sqr_n, mul2d_n, div2d_n, gcd_n, lcm_n, inv_n,
div2_n, mul2_n, add_d_n, sub_d_n, mul_d_n, cnt, rr, ix;
#ifndef TESTING
unsigned long t;
div2_n, mul2_n, add_d_n, sub_d_n, mul_d_n, cnt, rr;
#else
fp_digit fp;
int n, err;
ulong64 t1, t2;
#endif
srand(time(NULL));
@ -95,7 +49,7 @@ int main(void)
fp_zero(&b); fp_zero(&c); fp_zero(&d); fp_zero(&e); fp_zero(&f);
fp_zero(&a);
#ifndef TESTING
#if TFM_DEMO_TEST_VS_MTEST == 0
draw(&a);
@ -231,410 +185,9 @@ int main(void)
}
printf("\n\n");
#if 1
t1 = TIMFUNC();
sleep(1);
printf("Ticks per second: %llu\n", TIMFUNC() - t1);
/* do some timings... */
printf("Addition:\n");
for (t = 2; t <= FP_SIZE/2; t += 2) {
fp_zero(&a);
fp_zero(&b);
fp_zero(&c);
for (ix = 0; ix < t; ix++) {
a.dp[ix] = ix;
b.dp[ix] = ix;
}
a.used = t;
b.used = t;
t2 = -1;
for (ix = 0; ix < 25000; ++ix) {
t1 = TIMFUNC();
fp_add(&a, &b, &c); fp_add(&a, &b, &c);
fp_add(&a, &b, &c); fp_add(&a, &b, &c);
fp_add(&a, &b, &c); fp_add(&a, &b, &c);
fp_add(&a, &b, &c); fp_add(&a, &b, &c);
t2 = (TIMFUNC() - t1)>>3;
if (t1<t2) { --ix; t2 = t1; }
}
printf("%5lu-bit: %9llu\n", t * DIGIT_BIT, t2);
}
printf("Multiplication:\n");
for (t = 2; t < FP_SIZE/2; t += 2) {
fp_zero(&a);
fp_zero(&b);
fp_zero(&c);
for (ix = 0; ix < t; ix++) {
a.dp[ix] = ix;
b.dp[ix] = ix;
}
a.used = t;
b.used = t;
t2 = -1;
for (ix = 0; ix < 100; ++ix) {
t1 = TIMFUNC();
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c); fp_mul(&a, &b, &c);
t2 = (TIMFUNC() - t1)>>7;
if (t1<t2) { --ix; t2 = t1; }
}
printf("%5lu-bit: %9llu\n", t * DIGIT_BIT, t2);
}
printf("Squaring:\n");
for (t = 2; t < FP_SIZE/2; t += 2) {
fp_zero(&a);
fp_zero(&b);
for (ix = 0; ix < t; ix++) {
a.dp[ix] = ix;
}
a.used = t;
t2 = -1;
for (ix = 0; ix < 100; ++ix) {
t1 = TIMFUNC();
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
fp_sqr(&a, &b); fp_sqr(&a, &b);
t2 = (TIMFUNC() - t1)>>7;
if (t1<t2) { --ix; t2 = t1; }
}
printf("%5lu-bit: %9llu\n", t * DIGIT_BIT, t2);
}
printf("Invmod:\n");
for (t = 2; t < FP_SIZE/2; t += 2) {
fp_zero(&a);
for (ix = 0; ix < t; ix++) {
a.dp[ix] = ix | 1;
}
a.used = t;
fp_zero(&b);
for (ix = 0; ix < t; ix++) {
b.dp[ix] = rand();
}
b.used = t;
fp_clamp(&b);
fp_zero(&c);
t2 = -1;
for (ix = 0; ix < 100; ++ix) {
t1 = TIMFUNC();
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
t2 = (TIMFUNC() - t1)>>6;
if (t1<t2) { --ix; t2 = t1; }
}
printf("%5lu-bit: %9llu\n", t * DIGIT_BIT, t2);
}
printf("Montgomery:\n");
for (t = 2; t <= (FP_SIZE/2)-4; t += 2) {
// printf("%5lu-bit: %9llu\n", t * DIGIT_BIT, t2);
fp_zero(&a);
for (ix = 0; ix < t; ix++) {
a.dp[ix] = ix | 1;
}
a.used = t;
fp_montgomery_setup(&a, &fp);
fp_sub_d(&a, 3, &b);
fp_sqr(&b, &b);
fp_copy(&b, &c);
fp_copy(&b, &d);
t2 = -1;
for (ix = 0; ix < 100; ++ix) {
t1 = TIMFUNC();
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
t2 = (TIMFUNC() - t1)>>6;
fp_copy(&b, &c);
fp_copy(&b, &d);
if (t1<t2) { --ix; t2 = t1; }
}
printf("%5lu-bit: %9llu\n", t * DIGIT_BIT, t2);
}
printf("Exptmod:\n");
for (t = 512/DIGIT_BIT; t <= (FP_SIZE/2)-2; t += 256/DIGIT_BIT) {
fp_zero(&a);
fp_zero(&b);
fp_zero(&c);
for (ix = 0; ix < t; ix++) {
a.dp[ix] = ix+1;
b.dp[ix] = (fp_digit)rand() * (fp_digit)rand();
c.dp[ix] = ix;
}
a.used = t;
b.used = t;
c.used = t;
t2 = -1;
for (ix = 0; ix < 500; ++ix) {
t1 = TIMFUNC();
fp_exptmod(&c, &b, &a, &d);
fp_exptmod(&c, &b, &a, &d);
t2 = (TIMFUNC() - t1)>>1;
fp_copy(&b, &c);
fp_copy(&b, &d);
if (t1<t2) { t2 = t1; --ix; }
}
printf("%5lu-bit: %9llu\n", t * DIGIT_BIT, t2);
}
return 0;
#endif
return 0;
#endif
#else
fp_zero(&b); fp_zero(&c); fp_zero(&d); fp_zero(&e); fp_zero(&f); fp_zero(&a);
@ -877,6 +430,7 @@ draw(&a);draw(&b);draw(&c);draw(&d);
}
}
#endif
}

625
demo/timing.c Normal file
View File

@ -0,0 +1,625 @@
/* TFM timing analysis */
#include <tfm.h>
#include <time.h>
#include <unistd.h>
/* RDTSC from Scott Duplichan */
static ulong64 TIMFUNC(void)
{
#if defined __GNUC__
#if defined(INTEL_CC)
ulong64 a;
asm ("rdtsc":"=A"(a));
return a;
#elif defined(__i386__) || defined(__x86_64__)
/* version from http://www.mcs.anl.gov/~kazutomo/rdtsc.html
* the old code always got a warning issued by gcc, clang did not complain...
*/
unsigned hi, lo;
__asm__ __volatile__ ("rdtsc" : "=a"(lo), "=d"(hi));
return ((ulong64)lo)|( ((ulong64)hi)<<32);
#elif defined(TFM_PPC32)
unsigned long a, b;
__asm__ __volatile__ ("mftbu %1 \nmftb %0\n":"=r"(a), "=r"(b));
return (((ulong64)b) << 32ULL) | ((ulong64)a);
#elif defined(TFM_AVR32)
FILE *in;
char buf[20];
in = fopen("/sys/devices/system/cpu/cpu0/pccycles", "r");
fgets(buf, 20, in);
fclose(in);
return strtoul(buf, NULL, 10);
#else /* gcc-IA64 version */
unsigned long result;
__asm__ __volatile__("mov %0=ar.itc" : "=r"(result) :: "memory");
while (__builtin_expect ((int) result == -1, 0))
__asm__ __volatile__("mov %0=ar.itc" : "=r"(result) :: "memory");
return result;
#endif
// Microsoft and Intel Windows compilers
#elif defined _M_IX86
__asm rdtsc
#elif defined _M_AMD64
return __rdtsc ();
#elif defined _M_IA64
#if defined __INTEL_COMPILER
#include <ia64intrin.h>
#endif
return __getReg (3116);
#else
#error need rdtsc function for this build
#endif
}
static ulong64 ticks;
static const char* p_str;
static void print_start(const char* s)
{
p_str = s;
}
static void print_line(ulong64 b, ulong64 t)
{
printf("%llu;%s;%llu;%llu\n", ticks, p_str, b, t);
}
int main(void)
{
fp_int a,b,c,d;
ulong64 t1, t2;
fp_digit fp;
unsigned long t, ix;
t1 = TIMFUNC();
sleep(1);
ticks = TIMFUNC() - t1;
fprintf(stderr, "Ticks per second: %llu\n", ticks);
printf("Ticks/sec;Algorithm;bits;time\n");
/* do some timings... */
print_start("Addition");
for (t = 2; t <= FP_SIZE / 2; t += 2) {
fp_zero(&a);
fp_zero(&b);
fp_zero(&c);
for (ix = 0; ix < t; ix++) {
a.dp[ix] = ix;
b.dp[ix] = ix;
}
a.used = t;
b.used = t;
t2 = -1;
for (ix = 0; ix < 25000; ++ix) {
t1 = TIMFUNC();
fp_add(&a, &b, &c);
fp_add(&a, &b, &c);
fp_add(&a, &b, &c);
fp_add(&a, &b, &c);
fp_add(&a, &b, &c);
fp_add(&a, &b, &c);
fp_add(&a, &b, &c);
fp_add(&a, &b, &c);
t2 = (TIMFUNC() - t1) >> 3;
if (t1 < t2) {
--ix;
t2 = t1;
}
}
print_line(t * DIGIT_BIT, t2);
}
print_start("Multiplication");
for (t = 2; t < FP_SIZE / 2; t += 2) {
fp_zero(&a);
fp_zero(&b);
fp_zero(&c);
for (ix = 0; ix < t; ix++) {
a.dp[ix] = ix;
b.dp[ix] = ix;
}
a.used = t;
b.used = t;
t2 = -1;
for (ix = 0; ix < 100; ++ix) {
t1 = TIMFUNC();
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
fp_mul(&a, &b, &c);
t2 = (TIMFUNC() - t1) >> 7;
if (t1 < t2) {
--ix;
t2 = t1;
}
}
print_line(t * DIGIT_BIT, t2);
}
print_start("Squaring");
for (t = 2; t < FP_SIZE / 2; t += 2) {
fp_zero(&a);
fp_zero(&b);
for (ix = 0; ix < t; ix++) {
a.dp[ix] = ix;
}
a.used = t;
t2 = -1;
for (ix = 0; ix < 100; ++ix) {
t1 = TIMFUNC();
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
fp_sqr(&a, &b);
t2 = (TIMFUNC() - t1) >> 7;
if (t1 < t2) {
--ix;
t2 = t1;
}
}
print_line(t * DIGIT_BIT, t2);
}
print_start("Invmod");
for (t = 2; t < FP_SIZE / 2; t += 2) {
fp_zero(&a);
for (ix = 0; ix < t; ix++) {
a.dp[ix] = ix | 1;
}
a.used = t;
fp_zero(&b);
for (ix = 0; ix < t; ix++) {
b.dp[ix] = rand();
}
b.used = t;
fp_clamp(&b);
fp_zero(&c);
t2 = -1;
for (ix = 0; ix < 100; ++ix) {
t1 = TIMFUNC();
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
fp_invmod(&b, &a, &c);
t2 = (TIMFUNC() - t1) >> 6;
if (t1 < t2) {
--ix;
t2 = t1;
}
}
print_line(t * DIGIT_BIT, t2);
}
print_start("Montgomery");
for (t = 2; t <= (FP_SIZE / 2) - 4; t += 2) {
// printf("%5lu-bit: %9llu\n", t * DIGIT_BIT, t2);
fp_zero(&a);
for (ix = 0; ix < t; ix++) {
a.dp[ix] = ix | 1;
}
a.used = t;
fp_montgomery_setup(&a, &fp);
fp_sub_d(&a, 3, &b);
fp_sqr(&b, &b);
fp_copy(&b, &c);
fp_copy(&b, &d);
t2 = -1;
for (ix = 0; ix < 100; ++ix) {
t1 = TIMFUNC();
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
fp_montgomery_reduce(&c, &a, fp);
fp_montgomery_reduce(&d, &a, fp);
t2 = (TIMFUNC() - t1) >> 6;
fp_copy(&b, &c);
fp_copy(&b, &d);
if (t1 < t2) {
--ix;
t2 = t1;
}
}
print_line(t * DIGIT_BIT, t2);
}
print_start("Exptmod");
for (t = 512 / DIGIT_BIT; t <= (FP_SIZE / 2) - 2; t += 256 / DIGIT_BIT) {
fp_zero(&a);
fp_zero(&b);
fp_zero(&c);
for (ix = 0; ix < t; ix++) {
a.dp[ix] = ix + 1;
b.dp[ix] = (fp_digit) rand() * (fp_digit) rand();
c.dp[ix] = ix;
}
a.used = t;
b.used = t;
c.used = t;
t2 = -1;
for (ix = 0; ix < 500; ++ix) {
t1 = TIMFUNC();
fp_exptmod(&c, &b, &a, &d);
fp_exptmod(&c, &b, &a, &d);
t2 = (TIMFUNC() - t1) >> 1;
fp_copy(&b, &c);
fp_copy(&b, &d);
if (t1 < t2) {
t2 = t1;
--ix;
}
}
print_line(t * DIGIT_BIT, t2);
}
return 0;
}

8
makefile
View File

@ -111,9 +111,15 @@ demo/test.o: CFLAGS+=-Wno-unused-result
test: $(LIBNAME) demo/test.o
$(CC) $(CFLAGS) demo/test.o $(LIBNAME) $(PROF) -o test
timing: $(LIBNAME) demo/test.o
test_standalone: CFLAGS+=-DTFM_DEMO_TEST_VS_MTEST=0
.PHONY: test_standalone
test_standalone: $(LIBNAME) demo/test.o
$(CC) $(CFLAGS) demo/test.o $(LIBNAME) $(PROF) -o test
timing: $(LIBNAME) demo/timing.o
$(CC) $(CFLAGS) demo/timing.o $(LIBNAME) $(PROF) -o timing
profiled:
CC="$(CC)" PREFIX="${PREFIX} CFLAGS="${CFLAGS} -fprofile-generate" MAKE=${MAKE} ${MAKE} timing
./test

14
makefile.shared
View File

@ -87,7 +87,7 @@ $(OBJECTS): $(HEADERS)
$(LTCOMPILE) $(CFLAGS) $(LDFLAGS) -o $@ -c $<
$(LIBNAME): $(OBJECTS)
libtool --silent --mode=link gcc $(CFLAGS) `find . -type f | grep "[.]lo" | xargs` -o $(LIBNAME) -rpath $(LIBPATH) -version-info $(VERSION)
libtool --silent --mode=link --tag=CC $(CC) $(CFLAGS) `find . -type f | grep "[.]lo" | xargs` -o $(LIBNAME) -rpath $(LIBPATH) -version-info $(VERSION)
install: $(LIBNAME)
install -d -g $(GROUP) -o $(USER) $(DESTDIR)$(LIBPATH)
@ -98,13 +98,25 @@ install: $(LIBNAME)
mtest/mtest: mtest/mtest.c
cd mtest ; make mtest
demo/test.o: CFLAGS+=-Wno-unused-result
.PHONY: test
test: $(LIBNAME) demo/test.o
$(LT) --mode=link --tag=CC $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o test demo/test.o $(LIBNAME)
test_standalone: CFLAGS+=-DTFM_DEMO_TEST_VS_MTEST=0
.PHONY: test_standalone
test_standalone: $(LIBNAME) demo/test.o
$(LT) --mode=link --tag=CC $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o test demo/test.o $(LIBNAME)
stest: $(LIBNAME) demo/stest.o
$(LT) --mode=link --tag=CC $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o stest demo/stest.o $(LIBNAME)
.PHONY: timing
timing: $(LIBNAME) demo/timing.o
$(LT) --mode=link --tag=CC $(CC) $(CFLAGS) $(CPPFLAGS) $(LDFLAGS) -o timing demo/timing.o $(LIBNAME)
# $Source$
# $Revision$
# $Date$

4
src/mul/fp_mul_comba.c
View File

@ -349,7 +349,9 @@ void fp_mul_comba(fp_int *A, fp_int *B, fp_int *C)
/* execute loop */
COMBA_FORWARD;
for (iz = 0; iz < iy; ++iz) {
MULADD(*tmpx++, *tmpy--);
fp_digit _tmpx = *tmpx++;
fp_digit _tmpy = *tmpy--;
MULADD(_tmpx, _tmpy);
}
/* store term */

2
src/sqr/fp_sqr_comba.c
View File

@ -109,7 +109,7 @@ asm( \
"addq %%rax,%0 \n\t" \
"adcq %%rdx,%1 \n\t" \
"adcq $0,%2 \n\t" \
:"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "g"(i) :"%rax","%rdx","cc");
:"=r"(c0), "=r"(c1), "=r"(c2): "0"(c0), "1"(c1), "2"(c2), "x"(i) :"%rax","%rdx","cc");
#define SQRADD2(i, j) \
asm( \

7
src/sqr/fp_sqr_comba_generic.c
View File

@ -68,12 +68,15 @@ void fp_sqr_comba(fp_int *A, fp_int *B)
/* execute loop */
for (iz = 0; iz < iy; iz++) {
SQRADD2(*tmpx++, *tmpy--);
fp_digit _tmpx = *tmpx++;
fp_digit _tmpy = *tmpy--;
SQRADD2(_tmpx, _tmpy);
}
/* even columns have the square term in them */
if ((ix&1) == 0) {
SQRADD(A->dp[ix>>1], A->dp[ix>>1]);
fp_digit _a_dp = A->dp[ix>>1];
SQRADD(_a_dp, A->dp[ix>>1]);
}
/* store it */

35
testme.sh Executable file
View File

@ -0,0 +1,35 @@
#!/bin/bash -e
#
# Can be run with e.g. ./testme.sh "gcc-4.8 gcc-4.9", defaults to ./testme.sh "gcc"
_runtest()
{
echo -n "Run test $1 $2"
trap 'echo " - build not successful, errors are:" && cat test_gcc_errors.txt' INT TERM
make clean > /dev/null
CC="${1}" make test_standalone -j9 $2 > /dev/null 2>test_gcc_errors.txt
trap - INT TERM
local outfile="test_$(echo ${1}${2} | tr -d '\"' | tr ' ' '_').txt"
trap 'echo " - tests not successful, failed at:" && tail ${outfile}' INT TERM
./test > ${outfile}
echo " successful"
trap - INT TERM
}
gccopt="-m32 -m64 -mx32"
if [ $# -ge 1 ]
then
gccver=$1
else
gccver="gcc"
fi
for gopt in ${gccopt};
do
for gccv in ${gccver};
do
_runtest "${gccv} ${gopt}" "-f makefile.shared"
_runtest "${gccv} ${gopt}" ""
done
done