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From: Noah Goldstein <nwg@sourceware.org> To: glibc-cvs@sourceware.org Subject: [glibc] benchtests: Use json-lib in bench-strchr.c Date: Fri, 25 Mar 2022 18:17:40 +0000 (GMT) [thread overview] Message-ID: <20220325181740.BDC4F388CC1E@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=4c5200dd9fc7c5867a5c7cb7bfce083f060a378f commit 4c5200dd9fc7c5867a5c7cb7bfce083f060a378f Author: Noah Goldstein <goldstein.w.n@gmail.com> Date: Wed Mar 23 16:57:13 2022 -0500 benchtests: Use json-lib in bench-strchr.c Just QOL change to make parsing the output of the benchtests more consistent. Reviewed-by: H.J. Lu <hjl.tools@gmail.com> Diff: --- benchtests/bench-strchr.c | 94 ++++++++++++++++++++++++++++++++--------------- 1 file changed, 64 insertions(+), 30 deletions(-) diff --git a/benchtests/bench-strchr.c b/benchtests/bench-strchr.c index 821bc615b0..203900d4ad 100644 --- a/benchtests/bench-strchr.c +++ b/benchtests/bench-strchr.c @@ -32,6 +32,7 @@ #endif /* WIDE */ #include "bench-string.h" +#include "json-lib.h" #define BIG_CHAR MAX_CHAR #ifndef WIDE @@ -74,10 +75,19 @@ IMPL (simple_STRCHR, 0) IMPL (STRCHR, 1) static void -do_one_test (impl_t *impl, const CHAR *s, int c, const CHAR *exp_res) +do_one_test (json_ctx_t *json_ctx, impl_t *impl, const CHAR *s, int c, + const CHAR *exp_res) { size_t i, iters = INNER_LOOP_ITERS_LARGE; timing_t start, stop, cur; + const CHAR *res = CALL (impl, s, c); + if (res != exp_res) + { + error (0, 0, "Wrong result in function %s %p != %p", impl->name, res, + exp_res); + ret = 1; + return; + } TIMING_NOW (start); for (i = 0; i < iters; ++i) @@ -88,11 +98,12 @@ do_one_test (impl_t *impl, const CHAR *s, int c, const CHAR *exp_res) 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 (size_t align, size_t pos, size_t len, int seek_char, int max_char) +do_test (json_ctx_t *json_ctx, size_t align, size_t pos, size_t len, + int seek_char, int max_char) /* For wcschr: align here means align not in bytes, but in wchar_ts, in bytes it will equal to align * (sizeof (wchar_t)) len for wcschr here isn't in bytes but it's number of wchar_t symbols. */ @@ -124,87 +135,110 @@ do_test (size_t align, size_t pos, size_t len, int seek_char, int max_char) else result = NULLRET (buf + align + len); - printf ("Length %4zd, alignment in bytes %2zd:", - pos, align * sizeof (CHAR)); + json_element_object_begin (json_ctx); + json_attr_uint (json_ctx, "length", len); + json_attr_uint (json_ctx, "pos", pos); + json_attr_uint (json_ctx, "seek_char", seek_char); + json_attr_uint (json_ctx, "max_char", max_char); + json_attr_uint (json_ctx, "alignment", align); + json_array_begin (json_ctx, "timings"); FOR_EACH_IMPL (impl, 0) - do_one_test (impl, buf + align, seek_char, result); + do_one_test (json_ctx, impl, buf + align, seek_char, 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 ("%20s", ""); + 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", ""); + + 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 = 1; i < 8; ++i) { - do_test (0, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR); - do_test (i, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR); + do_test (&json_ctx, 0, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR); + do_test (&json_ctx, i, 16 << i, 2048, SMALL_CHAR, MIDDLE_CHAR); } for (i = 1; i < 8; ++i) { - do_test (0, 16 << i, 4096, SMALL_CHAR, MIDDLE_CHAR); - do_test (i, 16 << i, 4096, SMALL_CHAR, MIDDLE_CHAR); + do_test (&json_ctx, 0, 16 << i, 4096, SMALL_CHAR, MIDDLE_CHAR); + do_test (&json_ctx, i, 16 << i, 4096, SMALL_CHAR, MIDDLE_CHAR); } for (i = 1; i < 8; ++i) { - do_test (i, 64, 256, SMALL_CHAR, MIDDLE_CHAR); - do_test (i, 64, 256, SMALL_CHAR, BIG_CHAR); + do_test (&json_ctx, i, 64, 256, SMALL_CHAR, MIDDLE_CHAR); + do_test (&json_ctx, i, 64, 256, SMALL_CHAR, BIG_CHAR); } for (i = 0; i < 8; ++i) { - do_test (16 * i, 256, 512, SMALL_CHAR, MIDDLE_CHAR); - do_test (16 * i, 256, 512, SMALL_CHAR, BIG_CHAR); + do_test (&json_ctx, 16 * i, 256, 512, SMALL_CHAR, MIDDLE_CHAR); + do_test (&json_ctx, 16 * i, 256, 512, SMALL_CHAR, BIG_CHAR); } for (i = 0; i < 32; ++i) { - do_test (0, i, i + 1, SMALL_CHAR, MIDDLE_CHAR); - do_test (0, i, i + 1, SMALL_CHAR, BIG_CHAR); + do_test (&json_ctx, 0, i, i + 1, SMALL_CHAR, MIDDLE_CHAR); + do_test (&json_ctx, 0, i, i + 1, SMALL_CHAR, BIG_CHAR); } for (i = 1; i < 8; ++i) { - do_test (0, 16 << i, 2048, 0, MIDDLE_CHAR); - do_test (i, 16 << i, 2048, 0, MIDDLE_CHAR); + do_test (&json_ctx, 0, 16 << i, 2048, 0, MIDDLE_CHAR); + do_test (&json_ctx, i, 16 << i, 2048, 0, MIDDLE_CHAR); } for (i = 1; i < 8; ++i) { - do_test (0, 16 << i, 4096, 0, MIDDLE_CHAR); - do_test (i, 16 << i, 4096, 0, MIDDLE_CHAR); + do_test (&json_ctx, 0, 16 << i, 4096, 0, MIDDLE_CHAR); + do_test (&json_ctx, i, 16 << i, 4096, 0, MIDDLE_CHAR); } for (i = 1; i < 8; ++i) { - do_test (i, 64, 256, 0, MIDDLE_CHAR); - do_test (i, 64, 256, 0, BIG_CHAR); + do_test (&json_ctx, i, 64, 256, 0, MIDDLE_CHAR); + do_test (&json_ctx, i, 64, 256, 0, BIG_CHAR); } for (i = 0; i < 8; ++i) { - do_test (16 * i, 256, 512, 0, MIDDLE_CHAR); - do_test (16 * i, 256, 512, 0, BIG_CHAR); + do_test (&json_ctx, 16 * i, 256, 512, 0, MIDDLE_CHAR); + do_test (&json_ctx, 16 * i, 256, 512, 0, BIG_CHAR); } for (i = 0; i < 32; ++i) { - do_test (0, i, i + 1, 0, MIDDLE_CHAR); - do_test (0, i, i + 1, 0, BIG_CHAR); + do_test (&json_ctx, 0, i, i + 1, 0, MIDDLE_CHAR); + do_test (&json_ctx, 0, i, i + 1, 0, BIG_CHAR); } + json_array_end (&json_ctx); + json_attr_object_end (&json_ctx); + json_attr_object_end (&json_ctx); + json_document_end (&json_ctx); + return ret; }
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