diff options
Diffstat (limited to 'benchtests/bench-strncmp.c')
-rw-r--r-- | benchtests/bench-strncmp.c | 239 |
1 files changed, 130 insertions, 109 deletions
diff --git a/benchtests/bench-strncmp.c b/benchtests/bench-strncmp.c index 2f03668f5e..97dc39069d 100644 --- a/benchtests/bench-strncmp.c +++ b/benchtests/bench-strncmp.c @@ -1,5 +1,5 @@ /* Measure strncmp functions. - Copyright (C) 2013-2016 Free Software Foundation, Inc. + Copyright (C) 2013-2018 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -23,6 +23,7 @@ # define TEST_NAME "strncmp" #endif /* !WIDE */ #include "bench-string.h" +#include "json-lib.h" #ifdef WIDE # include <wchar.h> @@ -111,8 +112,8 @@ IMPL (STRNCMP, 1) static void -do_one_test (impl_t *impl, const CHAR *s1, const CHAR *s2, size_t n, - int exp_result) +do_one_test (json_ctx_t *json_ctx, impl_t *impl, const CHAR *s1, const CHAR + *s2, size_t n, int exp_result) { size_t i, iters = INNER_LOOP_ITERS; timing_t start, stop, cur; @@ -126,67 +127,62 @@ do_one_test (impl_t *impl, const CHAR *s1, const CHAR *s2, size_t n, TIMING_DIFF (cur, start, stop); - TIMING_PRINT_MEAN ((double) cur, (double) iters); + json_element_double (json_ctx, (double) cur / (double) iters); } static void -do_test_limit (size_t align1, size_t align2, size_t len, size_t n, int max_char, - int exp_result) +do_test_limit (json_ctx_t *json_ctx, size_t align1, size_t align2, size_t len, + size_t n, int max_char, int exp_result) { size_t i, align_n; CHAR *s1, *s2; - if (n == 0) - { - s1 = (CHAR *) (buf1 + page_size); - s2 = (CHAR *) (buf2 + page_size); - printf ("Length %4zd/%4zd:", len, n); - - FOR_EACH_IMPL (impl, 0) - do_one_test (impl, s1, s2, n, 0); - - putchar ('\n'); - - return; - } - align1 &= 15; align2 &= 15; align_n = (page_size - n * CHARBYTES) & 15; - s1 = (CHAR *) (buf1 + page_size - n * CHARBYTES); - s2 = (CHAR *) (buf2 + page_size - n * CHARBYTES); - - if (align1 < align_n) - s1 = (CHAR *) ((char *) s1 - (align_n - align1)); - - if (align2 < align_n) - s2 = (CHAR *) ((char *) s2 - (align_n - align2)); + json_element_object_begin (json_ctx); + json_attr_uint (json_ctx, "strlen", (double) len); + json_attr_uint (json_ctx, "len", (double) n); + json_attr_uint (json_ctx, "align1", (double) align1); + json_attr_uint (json_ctx, "align2", (double) align2); + json_array_begin (json_ctx, "timings"); - for (i = 0; i < n; i++) - s1[i] = s2[i] = 1 + 23 * i % max_char; - - if (len < n) + FOR_EACH_IMPL (impl, 0) { - s1[len] = 0; - s2[len] = 0; - if (exp_result < 0) - s2[len] = 32; - else if (exp_result > 0) - s1[len] = 64; + realloc_bufs (); + s1 = (CHAR *) (buf1 + page_size - n * CHARBYTES); + s2 = (CHAR *) (buf2 + page_size - n * CHARBYTES); + + if (align1 < align_n) + s1 = (CHAR *) ((char *) s1 - (align_n - align1)); + + if (align2 < align_n) + s2 = (CHAR *) ((char *) s2 - (align_n - align2)); + + for (i = 0; i < n; i++) + s1[i] = s2[i] = 1 + 23 * i % max_char; + + if (len < n) + { + s1[len] = 0; + s2[len] = 0; + if (exp_result < 0) + s2[len] = 32; + else if (exp_result > 0) + s1[len] = 64; + } + + do_one_test (json_ctx, impl, s1, s2, n, exp_result); } - printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len, n, align1, align2); - - FOR_EACH_IMPL (impl, 0) - do_one_test (impl, s1, s2, n, exp_result); - - putchar ('\n'); + json_array_end (json_ctx); + json_element_object_end (json_ctx); } static void -do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char, - int exp_result) +do_test (json_ctx_t *json_ctx, size_t align1, size_t align2, size_t len, size_t + n, int max_char, int exp_result) { size_t i; CHAR *s1, *s2; @@ -202,98 +198,123 @@ do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char, if (align2 + (n + 1) * CHARBYTES >= page_size) return; - s1 = (CHAR *) (buf1 + align1); - s2 = (CHAR *) (buf2 + align2); + json_element_object_begin (json_ctx); + json_attr_uint (json_ctx, "strlen", (double) len); + json_attr_uint (json_ctx, "len", (double) n); + json_attr_uint (json_ctx, "align1", (double) align1); + json_attr_uint (json_ctx, "align2", (double) align2); + json_array_begin (json_ctx, "timings"); - for (i = 0; i < n; i++) - s1[i] = s2[i] = 1 + (23 << ((CHARBYTES - 1) * 8)) * i % max_char; + FOR_EACH_IMPL (impl, 0) + { + realloc_bufs (); + s1 = (CHAR *) (buf1 + align1); + s2 = (CHAR *) (buf2 + align2); - s1[n] = 24 + exp_result; - s2[n] = 23; - s1[len] = 0; - s2[len] = 0; - if (exp_result < 0) - s2[len] = 32; - else if (exp_result > 0) - s1[len] = 64; - if (len >= n) - s2[n - 1] -= exp_result; + for (i = 0; i < n; i++) + s1[i] = s2[i] = 1 + (23 << ((CHARBYTES - 1) * 8)) * i % max_char; - printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len, n, align1, align2); + s1[n] = 24 + exp_result; + s2[n] = 23; + s1[len] = 0; + s2[len] = 0; + if (exp_result < 0) + s2[len] = 32; + else if (exp_result > 0) + s1[len] = 64; + if (len >= n) + s2[n - 1] -= exp_result; - FOR_EACH_IMPL (impl, 0) - do_one_test (impl, s1, s2, n, exp_result); + do_one_test (json_ctx, impl, s1, s2, n, exp_result); + } - putchar ('\n'); + json_array_end (json_ctx); + json_element_object_end (json_ctx); } int test_main (void) { + json_ctx_t json_ctx; size_t i; test_init (); - printf ("%23s", ""); + json_init (&json_ctx, 0, stdout); + + json_document_begin (&json_ctx); + json_attr_string (&json_ctx, "timing_type", TIMING_TYPE); + + json_attr_object_begin (&json_ctx, "functions"); + json_attr_object_begin (&json_ctx, TEST_NAME); + json_attr_string (&json_ctx, "bench-variant", "default"); + + json_array_begin (&json_ctx, "ifuncs"); FOR_EACH_IMPL (impl, 0) - printf ("\t%s", impl->name); - putchar ('\n'); + json_element_string (&json_ctx, impl->name); + json_array_end (&json_ctx); + + json_array_begin (&json_ctx, "results"); for (i =0; i < 16; ++i) { - do_test (0, 0, 8, i, 127, 0); - do_test (0, 0, 8, i, 127, -1); - do_test (0, 0, 8, i, 127, 1); - do_test (i, i, 8, i, 127, 0); - do_test (i, i, 8, i, 127, 1); - do_test (i, i, 8, i, 127, -1); - do_test (i, 2 * i, 8, i, 127, 0); - do_test (2 * i, i, 8, i, 127, 1); - do_test (i, 3 * i, 8, i, 127, -1); - do_test (0, 0, 8, i, 255, 0); - do_test (0, 0, 8, i, 255, -1); - do_test (0, 0, 8, i, 255, 1); - do_test (i, i, 8, i, 255, 0); - do_test (i, i, 8, i, 255, 1); - do_test (i, i, 8, i, 255, -1); - do_test (i, 2 * i, 8, i, 255, 0); - do_test (2 * i, i, 8, i, 255, 1); - do_test (i, 3 * i, 8, i, 255, -1); + do_test (&json_ctx, 0, 0, 8, i, 127, 0); + do_test (&json_ctx, 0, 0, 8, i, 127, -1); + do_test (&json_ctx, 0, 0, 8, i, 127, 1); + do_test (&json_ctx, i, i, 8, i, 127, 0); + do_test (&json_ctx, i, i, 8, i, 127, 1); + do_test (&json_ctx, i, i, 8, i, 127, -1); + do_test (&json_ctx, i, 2 * i, 8, i, 127, 0); + do_test (&json_ctx, 2 * i, i, 8, i, 127, 1); + do_test (&json_ctx, i, 3 * i, 8, i, 127, -1); + do_test (&json_ctx, 0, 0, 8, i, 255, 0); + do_test (&json_ctx, 0, 0, 8, i, 255, -1); + do_test (&json_ctx, 0, 0, 8, i, 255, 1); + do_test (&json_ctx, i, i, 8, i, 255, 0); + do_test (&json_ctx, i, i, 8, i, 255, 1); + do_test (&json_ctx, i, i, 8, i, 255, -1); + do_test (&json_ctx, i, 2 * i, 8, i, 255, 0); + do_test (&json_ctx, 2 * i, i, 8, i, 255, 1); + do_test (&json_ctx, i, 3 * i, 8, i, 255, -1); } for (i = 1; i < 8; ++i) { - do_test (0, 0, 8 << i, 16 << i, 127, 0); - do_test (0, 0, 8 << i, 16 << i, 127, 1); - do_test (0, 0, 8 << i, 16 << i, 127, -1); - do_test (0, 0, 8 << i, 16 << i, 255, 0); - do_test (0, 0, 8 << i, 16 << i, 255, 1); - do_test (0, 0, 8 << i, 16 << i, 255, -1); - do_test (8 - i, 2 * i, 8 << i, 16 << i, 127, 0); - do_test (8 - i, 2 * i, 8 << i, 16 << i, 127, 1); - do_test (2 * i, i, 8 << i, 16 << i, 255, 0); - do_test (2 * i, i, 8 << i, 16 << i, 255, 1); + do_test (&json_ctx, 0, 0, 8 << i, 16 << i, 127, 0); + do_test (&json_ctx, 0, 0, 8 << i, 16 << i, 127, 1); + do_test (&json_ctx, 0, 0, 8 << i, 16 << i, 127, -1); + do_test (&json_ctx, 0, 0, 8 << i, 16 << i, 255, 0); + do_test (&json_ctx, 0, 0, 8 << i, 16 << i, 255, 1); + do_test (&json_ctx, 0, 0, 8 << i, 16 << i, 255, -1); + do_test (&json_ctx, 8 - i, 2 * i, 8 << i, 16 << i, 127, 0); + do_test (&json_ctx, 8 - i, 2 * i, 8 << i, 16 << i, 127, 1); + do_test (&json_ctx, 2 * i, i, 8 << i, 16 << i, 255, 0); + do_test (&json_ctx, 2 * i, i, 8 << i, 16 << i, 255, 1); } - do_test_limit (0, 0, 0, 0, 127, 0); - do_test_limit (4, 0, 21, 20, 127, 0); - do_test_limit (0, 4, 21, 20, 127, 0); - do_test_limit (8, 0, 25, 24, 127, 0); - do_test_limit (0, 8, 25, 24, 127, 0); + do_test_limit (&json_ctx, 4, 0, 21, 20, 127, 0); + do_test_limit (&json_ctx, 0, 4, 21, 20, 127, 0); + do_test_limit (&json_ctx, 8, 0, 25, 24, 127, 0); + do_test_limit (&json_ctx, 0, 8, 25, 24, 127, 0); for (i = 0; i < 8; ++i) { - do_test_limit (0, 0, 17 - i, 16 - i, 127, 0); - do_test_limit (0, 0, 17 - i, 16 - i, 255, 0); - do_test_limit (0, 0, 15 - i, 16 - i, 127, 0); - do_test_limit (0, 0, 15 - i, 16 - i, 127, 1); - do_test_limit (0, 0, 15 - i, 16 - i, 127, -1); - do_test_limit (0, 0, 15 - i, 16 - i, 255, 0); - do_test_limit (0, 0, 15 - i, 16 - i, 255, 1); - do_test_limit (0, 0, 15 - i, 16 - i, 255, -1); + do_test_limit (&json_ctx, 0, 0, 17 - i, 16 - i, 127, 0); + do_test_limit (&json_ctx, 0, 0, 17 - i, 16 - i, 255, 0); + do_test_limit (&json_ctx, 0, 0, 15 - i, 16 - i, 127, 0); + do_test_limit (&json_ctx, 0, 0, 15 - i, 16 - i, 127, 1); + do_test_limit (&json_ctx, 0, 0, 15 - i, 16 - i, 127, -1); + do_test_limit (&json_ctx, 0, 0, 15 - i, 16 - i, 255, 0); + do_test_limit (&json_ctx, 0, 0, 15 - i, 16 - i, 255, 1); + do_test_limit (&json_ctx, 0, 0, 15 - i, 16 - i, 255, -1); } + json_array_end (&json_ctx); + json_attr_object_end (&json_ctx); + json_attr_object_end (&json_ctx); + json_document_end (&json_ctx); + return ret; } -#include "../test-skeleton.c" +#include <support/test-driver.c> |