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#include <m4rie/m4rie.h>
#include "cpucycles.h"
#include "benchmarking.h"
struct mul_params {
rci_t k;
rci_t m;
rci_t n;
char const *algorithm;
char type;
};
int run_mzed(void *_p, unsigned long long *data, int *data_len) {
struct mul_params *p = (struct mul_params *)_p;
*data_len = 2;
gf2e *ff = gf2e_init(irreducible_polynomials[p->k][1]);
mzed_t *A = mzed_init(ff,p->m,p->n);
mzed_randomize(A);
mzed_t *B = mzed_init(ff,p->n,p->m);
mzed_randomize(B);
mzed_t *C;
data[0] = walltime(0);
data[1] = cpucycles();
if(strcmp(p->algorithm, "newton-john")==0)
C = mzed_mul_newton_john(NULL, A, B);
else if(strcmp(p->algorithm,"naive")==0)
C = mzed_mul_naive(NULL, A, B);
else if(strcmp(p->algorithm,"strassen")==0)
C = mzed_mul_strassen(NULL, A, B,_mzed_strassen_cutoff(NULL, A, B));
else if(strcmp(p->algorithm,"karatsuba")==0)
C = mzed_mul_karatsuba(NULL, A, B);
else if(strcmp(p->algorithm,"default")==0)
C = mzed_mul(NULL, A, B);
else
m4ri_die("uknown algorithm '%s'\n.",p->algorithm);
data[1] = cpucycles() - data[1];
data[0] = walltime(data[0]);
mzed_free(A);
mzed_free(B);
mzed_free(C);
gf2e_free(ff);
return 0;
}
int run_mzd_slice(void *_p, unsigned long long *data, int *data_len) {
struct mul_params *p = (struct mul_params *)_p;
*data_len = 2;
gf2e *ff = gf2e_init(irreducible_polynomials[p->k][1]);
mzd_slice_t *A = mzd_slice_init(ff,p->m,p->n);
mzd_slice_randomize(A);
mzd_slice_t *B = mzd_slice_init(ff,p->n,p->m);
mzd_slice_randomize(B);
mzd_slice_t *C;
data[0] = walltime(0);
data[1] = cpucycles();
if(strcmp(p->algorithm,"karatsuba")==0) {
C = mzd_slice_mul_karatsuba(NULL, A, B);
} else if(strcmp(p->algorithm,"default")==0) {
C = mzd_slice_mul(NULL, A, B);
} else {
m4ri_die("uknown algorithm '%s'\n.",p->algorithm);
}
data[1] = cpucycles() - data[1];
data[0] = walltime(data[0]);
mzd_slice_free(A);
mzd_slice_free(B);
mzd_slice_free(C);
gf2e_free(ff);
return 0;
}
void print_help() {
printf("bench_elimination:\n\n");
printf("REQUIRED\n");
printf(" e -- integer between 2 and 10\n");
printf(" m -- integer > 0, number of rows\n");
printf(" n -- integer > 0, number of columns\n");
printf(" algorithm -- default -- let M4RIE decide (mzed_t, mzd_slice_t)\n");
printf(" naive -- cubic multiplication (mzed_t)\n");
printf(" newton-john -- Newton-John tables (mzed_t) \n");
printf(" strassen -- Strassen+Newton-John (mzed_t)\n");
printf(" karatsuba -- Karatsuba (mzed_t)\n");
printf(" type -- mzed_t or mzd_slice_t (default: mzd_slice_t)\n");
printf("\n");
bench_print_global_options(stdout);
}
int main(int argc, char **argv) {
global_options(&argc, &argv);
if (argc < 4) {
print_help();
m4ri_die("");
}
struct mul_params params;
params.k = atoi(argv[1]);
params.m = atoi(argv[2]);
params.n = atoi(argv[3]);
if (argc >= 5)
params.algorithm = argv[4];
else
params.algorithm = (char*)"default";
if (argc >= 6) {
if (strcmp("mzed_t",argv[5]) == 0)
params.type = 0;
else if (strcmp("mzd_slice_t",argv[5]) == 0)
params.type = 1;
else
m4ri_die("unknown type '%s'\n",argv[5]);
} else {
params.type = 1;
}
srandom(17);
unsigned long long data[2];
if (params.type == 0)
run_bench(run_mzed, (void*)¶ms, data, 2);
else
run_bench(run_mzd_slice, (void*)¶ms, data, 2);
double cc_per_op = ((double)data[1])/ ( (double)params.m * powl((double)params.n,1.807) * (double)params.k * log2((double)params.k));
const char *complexity = (params.m == params.n) ? "n^2.807·d·log(d)" : "mn^1.807·d·log(d)";
printf("e: %2d, m: %5d, n: %5d, type: %d, algo: %10s, cpu cycles: %12llu, cc/(%s): %.5lf, wall time: %8.5lf\n", params.k, params.m, params.n, params.type, params.algorithm, data[1], complexity, cc_per_op, data[0] / 1000000.0);
}
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