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author | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-01-18 12:57:55 +0100 |
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committer | David Monniaux <david.monniaux@univ-grenoble-alpes.fr> | 2019-01-18 12:57:55 +0100 |
commit | 3685268c6334f68001b2454fc3fa294d8b7a0688 (patch) | |
tree | 0efe448199f077bf4c84e13463cacfe25b5e62b2 /test/monniaux | |
parent | 6d9954bf61b0e709ae93e7e7212c8090fc07dc56 (diff) | |
download | compcert-kvx-3685268c6334f68001b2454fc3fa294d8b7a0688.tar.gz compcert-kvx-3685268c6334f68001b2454fc3fa294d8b7a0688.zip |
fourth version
Diffstat (limited to 'test/monniaux')
-rw-r--r-- | test/monniaux/int_mat.c | 22 | ||||
-rw-r--r-- | test/monniaux/int_mat_run.c | 13 | ||||
-rw-r--r-- | test/monniaux/modint.h | 5 |
3 files changed, 38 insertions, 2 deletions
diff --git a/test/monniaux/int_mat.c b/test/monniaux/int_mat.c index a750937d..cc8c59e5 100644 --- a/test/monniaux/int_mat.c +++ b/test/monniaux/int_mat.c @@ -58,6 +58,28 @@ void modint_mat_mul3(unsigned m, unsigned n, unsigned p, } } +void modint_mat_mul4(unsigned m, unsigned n, unsigned p, + modint * c, unsigned stride_c, + const modint *a, unsigned stride_a, + const modint *b, unsigned stride_b) { + const modint *pa_i = a; + modint * pc_i = c; + for(unsigned i=0; i<m; i++) { + for(unsigned k=0; k<p; k++) { + const modint *pb_j_k = b+k, *pa_i_j = pa_i; + modint total = 0; + for(unsigned j=0; j<n; j++) { + total += *pa_i_j * *pb_j_k; + pa_i_j ++; + pb_j_k += stride_b; + } + pc_i[k] = total % MODULUS; + } + pa_i += stride_a; + pc_i += stride_c; + } +} + modint modint_random(void) { static uint64_t next = 1325997111; next = next * 1103515245 + 12345; diff --git a/test/monniaux/int_mat_run.c b/test/monniaux/int_mat_run.c index b8d836af..3fc4b64e 100644 --- a/test/monniaux/int_mat_run.c +++ b/test/monniaux/int_mat_run.c @@ -54,16 +54,25 @@ int main() { modint_mat_mul3(m, n, p, c3, p, a, n, b, p); c3_time = get_cycle()-c3_time; + modint *c4 = malloc(sizeof(modint) * m * p); + cycle_t c4_time = get_cycle(); + modint_mat_mul4(m, n, p, c4, p, a, n, b, p); + c4_time = get_cycle()-c4_time; + printf("c1==c2: %s\n" "c1==c3: %s\n" + "c1==c4: %s\n" "c1_time = %" PRIu64 "\n" "c2_time = %" PRIu64 "\n" - "c3_time = %" PRIu64 "\n", + "c3_time = %" PRIu64 "\n" + "c4_time = %" PRIu64 "\n", modint_mat_equal(m, n, c1, p, c2, p)?"true":"false", modint_mat_equal(m, n, c1, p, c3, p)?"true":"false", + modint_mat_equal(m, n, c1, p, c4, p)?"true":"false", c1_time, c2_time, - c3_time); + c3_time, + c4_time); free(a); free(b); diff --git a/test/monniaux/modint.h b/test/monniaux/modint.h index 3636657d..d3a154c1 100644 --- a/test/monniaux/modint.h +++ b/test/monniaux/modint.h @@ -19,6 +19,11 @@ void modint_mat_mul3(unsigned m, unsigned n, unsigned p, const modint *a, unsigned stride_a, const modint *b, unsigned stride_b); +void modint_mat_mul4(unsigned m, unsigned n, unsigned p, + modint * restrict c, unsigned stride_c, + const modint *a, unsigned stride_a, + const modint *b, unsigned stride_b); + modint modint_random(void); void modint_mat_random(unsigned m, |