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Merged
vneiger merged 4 commits into from
Mar 26, 2026
Merged

Add some profiling files for nmod mat and nmod poly #29

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797c6ac
add profile files for some main nmod mat functions
vneiger Mar 26, 2026
6589d6e
profile nmod poly mul
vneiger Mar 26, 2026
dd19623
profile nmod poly divrem
vneiger Mar 26, 2026
1ba6b6a
profile nmod poly xgcd
vneiger Mar 26, 2026
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167 changes: 167 additions & 0 deletions flint-extras/src/nmod_mat_extra/profile/p-charpoly_minpoly.c
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#include <flint/flint.h>
#include <stdlib.h> // for atoi

#include <flint/ulong_extras.h>
#include <flint/profiler.h>
#include <flint/nmod.h>
#include <flint/nmod_mat.h>
#include <flint/nmod_poly.h>

#define MEASURE_SAMPLE 0

/* for charpoly/minpoly of dim x dim */
typedef struct {
slong dim;
slong modn;
} time_args;

#define TIME_CPMP(fun) \
void time_##fun(time_args targs, flint_rand_t state) \
{ \
const slong dim = targs.dim; \
const slong modn = targs.modn; \
\
nmod_mat_t mat; \
nmod_mat_init(mat, dim, dim, modn); \
nmod_mat_rand(mat, state); \
nmod_poly_t pol; \
nmod_poly_init(pol, modn); \
\
double FLINT_SET_BUT_UNUSED(tcpu), twall; \
\
TIMEIT_START; \
fun(pol, mat); \
TIMEIT_STOP_VALUES(tcpu, twall); \
\
flint_printf("%.2e", twall); \
\
nmod_poly_clear(pol); \
nmod_mat_clear(mat); \
}

#define SAMPLE_CPMP(fun) \
void sample_##fun(void * arg, ulong count) \
{ \
time_args * targs = (time_args *) arg; \
const slong dim = targs->dim; \
const slong modn = targs->modn; \
\
FLINT_TEST_INIT(state); \
\
nmod_mat_t mat; \
nmod_mat_init(mat, dim, dim, modn); \
nmod_mat_rand(mat, state); \
nmod_poly_t pol; \
nmod_poly_init(pol, modn); \
for (ulong i = 0; i < count; i++) \
{ \
nmod_mat_t tmp; \
nmod_mat_init(tmp, dim, dim, modn); \
for (slong k = 0; k < dim*dim; k++) \
tmp->entries[k] = mat->entries[k]; \
prof_start(); \
fun(pol, mat); \
prof_stop(); \
nmod_mat_clear(tmp); \
} \
\
nmod_poly_clear(pol); \
nmod_mat_clear(mat); \
FLINT_TEST_CLEAR(state); \
}

TIME_CPMP(nmod_mat_charpoly)
TIME_CPMP(nmod_mat_charpoly_danilevsky)
TIME_CPMP(nmod_mat_charpoly_berkowitz)
TIME_CPMP(nmod_mat_minpoly)

SAMPLE_CPMP(nmod_mat_charpoly)
SAMPLE_CPMP(nmod_mat_charpoly_danilevsky)
SAMPLE_CPMP(nmod_mat_charpoly_berkowitz)
SAMPLE_CPMP(nmod_mat_minpoly)

/*-------------------------*/
/* main */
/*-------------------------*/
int main(int argc, char ** argv)
{
flint_rand_t state;
flint_rand_init(state);
flint_rand_set_seed(state, time(NULL), time(NULL)+129384125L);

// bench functions
const slong nfuns = 4;
typedef void (*timefun) (time_args, flint_rand_t);
const timefun funs[] = {
time_nmod_mat_minpoly, // 0
time_nmod_mat_charpoly, // 1
time_nmod_mat_charpoly_danilevsky, // 2
time_nmod_mat_charpoly_berkowitz, // 3
};

typedef void (*samplefun) (void*, ulong);
const samplefun sfuns[] = {
sample_nmod_mat_minpoly, // 0
sample_nmod_mat_charpoly, // 1
sample_nmod_mat_charpoly_danilevsky, // 2
sample_nmod_mat_charpoly_berkowitz, // 3
};

const char * description[] = {
"#0 --> nmod_mat_minpoly ",
"#1 --> nmod_mat_charpoly ",
"#2 --> nmod_mat_charpoly_danilevsky ",
"#3 --> nmod_mat_charpoly_berkowitz ",
};

if (argc == 1) // show usage
{
flint_printf("Usage: `%s [nbits] [fun] [dim]`\n", argv[0]);
flint_printf(" No argument shows this help.\n");
flint_printf(" - nbits: number of bits, in (0..63], for the randomly-chosen modulus\n");
flint_printf(" - fun: id number of the timed function (see below),\n");
flint_printf(" - dim: matrix dimension\n");
flint_printf("\nAvailable functions:\n");
for (slong j = 0; j < nfuns; j++)
flint_printf(" %s\n", description[j]);

return 0;
}

/* flint_printf("#warmup...\n"); */
for (slong i = 0; i < 3; i++)
{
time_args targs = {
i*100,
n_nextprime(17 + (UWORD(1) << (i*17)), 0)
};
double min, max;
prof_repeat(&min, &max, sfuns[0], &targs);
}
/* flint_printf("\n\n"); */

if (argc == 4)
{
const slong b = atoi(argv[1]);
const slong ifun = atoi(argv[2]);
const slong dim = atoi(argv[3]);
flint_printf("bits fun dim \n");

ulong n = n_nextprime(UWORD(1) << (b-1), 1);

flint_printf("%-4ld %-3ld %-6ld", b, ifun, dim);
time_args targs = {dim, n};

#if MEASURE_SAMPLE
double min, max;
prof_repeat(&min, &max, sfuns[ifun], &targs);
flint_printf("%.2e", min/1000000);
#else
funs[ifun](targs, state);
#endif
flint_printf("\n");
}

flint_rand_clear(state);
return 0;
}
152 changes: 152 additions & 0 deletions flint-extras/src/nmod_mat_extra/profile/p-inv.c
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#include <flint/flint.h>
#include <stdlib.h> // for atoi

#include <flint/ulong_extras.h>
#include <flint/profiler.h>
#include <flint/nmod.h>
#include <flint/nmod_mat.h>
#include <flint/nmod_poly.h>

#define MEASURE_SAMPLE 0

/* for inversion of dim x dim */
typedef struct {
slong dim;
slong modn;
} time_args;

#define TIME_INV(fun) \
void time_##fun(time_args targs, flint_rand_t state) \
{ \
const slong dim = targs.dim; \
const slong modn = targs.modn; \
\
nmod_mat_t mat; \
nmod_mat_t imat; \
nmod_mat_init(mat, dim, dim, modn); \
nmod_mat_init(imat, dim, dim, modn); \
nmod_mat_rand(mat, state); \
\
double FLINT_SET_BUT_UNUSED(tcpu), twall; \
\
TIMEIT_START; \
fun(imat, mat); \
TIMEIT_STOP_VALUES(tcpu, twall); \
\
flint_printf("%.2e", twall); \
\
nmod_mat_clear(mat); \
nmod_mat_clear(imat); \
}

#define SAMPLE_INV(fun) \
void sample_##fun(void * arg, ulong count) \
{ \
time_args * targs = (time_args *) arg; \
const slong dim = targs->dim; \
const slong modn = targs->modn; \
\
FLINT_TEST_INIT(state); \
\
nmod_mat_t mat; \
nmod_mat_t imat; \
nmod_mat_init(mat, dim, dim, modn); \
nmod_mat_init(imat, dim, dim, modn); \
nmod_mat_rand(mat, state); \
for (ulong i = 0; i < count; i++) \
{ \
nmod_mat_t tmp; \
nmod_mat_init(tmp, dim, dim, modn); \
for (slong k = 0; k < dim*dim; k++) \
tmp->entries[k] = mat->entries[k]; \
prof_start(); \
fun(imat, mat); \
prof_stop(); \
nmod_mat_clear(tmp); \
} \
\
nmod_mat_clear(mat); \
nmod_mat_clear(imat); \
FLINT_TEST_CLEAR(state); \
}

TIME_INV(nmod_mat_inv)

SAMPLE_INV(nmod_mat_inv)

/*-------------------------*/
/* main */
/*-------------------------*/
int main(int argc, char ** argv)
{
flint_rand_t state;
flint_rand_init(state);
flint_rand_set_seed(state, time(NULL), time(NULL)+129384125L);

// bench functions
const slong nfuns = 4;
typedef void (*timefun) (time_args, flint_rand_t);
const timefun funs[] = {
time_nmod_mat_inv, // 0
};

typedef void (*samplefun) (void*, ulong);
const samplefun sfuns[] = {
sample_nmod_mat_inv, // 0
};

const char * description[] = {
"#0 --> nmod_mat_inv ",
};

if (argc == 1) // show usage
{
flint_printf("Usage: `%s [nbits] [fun] [dim]`\n", argv[0]);
flint_printf(" No argument shows this help.\n");
flint_printf(" - nbits: number of bits, in (0..63], for the randomly-chosen modulus\n");
flint_printf(" - fun: id number of the timed function (see below),\n");
flint_printf(" - dim: matrix dimension\n");
flint_printf("\nAvailable functions:\n");
for (slong j = 0; j < nfuns; j++)
flint_printf(" %s\n", description[j]);

return 0;
}

/* flint_printf("#warmup...\n"); */
for (slong i = 0; i < 3; i++)
{
time_args targs = {
i*100,
n_nextprime(17 + (UWORD(1) << (i*17)), 0)
};
double min, max;
prof_repeat(&min, &max, sfuns[0], &targs);
}
/* flint_printf("\n\n"); */

if (argc == 4)
{
const slong b = atoi(argv[1]);
const slong ifun = atoi(argv[2]);
const slong dim = atoi(argv[3]);
flint_printf("bits fun dim \n");

ulong n = n_nextprime(UWORD(1) << (b-1), 1);

flint_printf("%-4ld %-3ld %-6ld", b, ifun, dim);
time_args targs = {dim, n};

#if MEASURE_SAMPLE
double min, max;
prof_repeat(&min, &max, sfuns[ifun], &targs);
flint_printf("%.2e", min/1000000);
#else
funs[ifun](targs, state);
#endif
flint_printf("\n");
}

flint_rand_clear(state);
return 0;
}
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