[v1,13/23] benchtests: Use json-lib in bench-strcasecmp.c

  Just QOL change to make parsing the output of the benchtests more
consistent.
---
 benchtests/bench-strcasecmp.c | 77 +++++++++++++++++++++++------------
 1 file changed, 51 insertions(+), 26 deletions(-)
  

On Wed, Mar 23, 2022 at 3:01 PM Noah Goldstein <goldstein.w.n@gmail.com> wrote:
>
> Just QOL change to make parsing the output of the benchtests more
> consistent.
> ---
>  benchtests/bench-strcasecmp.c | 77 +++++++++++++++++++++++------------
>  1 file changed, 51 insertions(+), 26 deletions(-)
>
> diff --git a/benchtests/bench-strcasecmp.c b/benchtests/bench-strcasecmp.c
> index daccf1d245..855f2db2ad 100644
> --- a/benchtests/bench-strcasecmp.c
> +++ b/benchtests/bench-strcasecmp.c
> @@ -20,6 +20,7 @@
>  #define TEST_MAIN
>  #define TEST_NAME "strcasecmp"
>  #include "bench-string.h"
> +#include "json-lib.h"
>
>  typedef int (*proto_t) (const char *, const char *);
>  static int simple_strcasecmp (const char *, const char *);
> @@ -40,7 +41,8 @@ simple_strcasecmp (const char *s1, const char *s2)
>  }
>
>  static void
> -do_one_test (impl_t *impl, const char *s1, const char *s2, int exp_result)
> +do_one_test (json_ctx_t *json_ctx, impl_t *impl, const char *s1,
> +             const char *s2, int exp_result)
>  {
>    size_t i, iters = INNER_LOOP_ITERS;
>    timing_t start, stop, cur;
> @@ -64,12 +66,12 @@ do_one_test (impl_t *impl, const char *s1, const char *s2, int exp_result)
>
>    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 align1, size_t align2, size_t len, int max_char,
> -        int exp_result)
> +do_test (json_ctx_t *json_ctx, size_t align1, size_t align2, size_t len,
> +         int max_char, int exp_result)
>  {
>    size_t i;
>    char *s1, *s2;
> @@ -85,6 +87,13 @@ do_test (size_t align1, size_t align2, size_t len, int max_char,
>    if (align2 + len + 1 >= page_size)
>      return;
>
> +  json_element_object_begin (json_ctx);
> +  json_attr_uint (json_ctx, "length", len);
> +  json_attr_uint (json_ctx, "align1", align1);
> +  json_attr_uint (json_ctx, "align2", align2);
> +  json_attr_uint (json_ctx, "max_char", max_char);
> +  json_array_begin (json_ctx, "timings");
> +
>    s1 = (char *) (buf1 + align1);
>    s2 = (char *) (buf2 + align2);
>
> @@ -103,53 +112,69 @@ do_test (size_t align1, size_t align2, size_t len, int max_char,
>    else
>      s2[len - 1] -= exp_result;
>
> -  printf ("Length %4zd, alignment %2zd/%2zd:", len, align1, align2);
> -
>    FOR_EACH_IMPL (impl, 0)
> -    do_one_test (impl, s1, s2, exp_result);
> +    do_one_test (json_ctx, impl, s1, s2, 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", "");
> +
> +  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 < 16; ++i)
>      {
> -      do_test (i, i, i, 127, 0);
> -      do_test (i, i, i, 127, 1);
> -      do_test (i, i, i, 127, -1);
> +      do_test (&json_ctx, i, i, i, 127, 0);
> +      do_test (&json_ctx, i, i, i, 127, 1);
> +      do_test (&json_ctx, i, i, i, 127, -1);
>      }
>
>    for (i = 1; i < 10; ++i)
>      {
> -      do_test (0, 0, 2 << i, 127, 0);
> -      do_test (0, 0, 2 << i, 254, 0);
> -      do_test (0, 0, 2 << i, 127, 1);
> -      do_test (0, 0, 2 << i, 254, 1);
> -      do_test (0, 0, 2 << i, 127, -1);
> -      do_test (0, 0, 2 << i, 254, -1);
> +      do_test (&json_ctx, 0, 0, 2 << i, 127, 0);
> +      do_test (&json_ctx, 0, 0, 2 << i, 254, 0);
> +      do_test (&json_ctx, 0, 0, 2 << i, 127, 1);
> +      do_test (&json_ctx, 0, 0, 2 << i, 254, 1);
> +      do_test (&json_ctx, 0, 0, 2 << i, 127, -1);
> +      do_test (&json_ctx, 0, 0, 2 << i, 254, -1);
>      }
>
>    for (i = 1; i < 8; ++i)
>      {
> -      do_test (i, 2 * i, 8 << i, 127, 0);
> -      do_test (2 * i, i, 8 << i, 254, 0);
> -      do_test (i, 2 * i, 8 << i, 127, 1);
> -      do_test (2 * i, i, 8 << i, 254, 1);
> -      do_test (i, 2 * i, 8 << i, 127, -1);
> -      do_test (2 * i, i, 8 << i, 254, -1);
> +      do_test (&json_ctx, i, 2 * i, 8 << i, 127, 0);
> +      do_test (&json_ctx, 2 * i, i, 8 << i, 254, 0);
> +      do_test (&json_ctx, i, 2 * i, 8 << i, 127, 1);
> +      do_test (&json_ctx, 2 * i, i, 8 << i, 254, 1);
> +      do_test (&json_ctx, i, 2 * i, 8 << i, 127, -1);
> +      do_test (&json_ctx, 2 * i, i, 8 << i, 254, -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;
>  }
>
> --
> 2.25.1
>

LGTM.

Reviewed-by: H.J. Lu <hjl.tools@gmail.com>

Thanks.