[FFmpeg-devel] [PATCH 1/3] base64: add benchmark

[Reimar Döffinger]

On Fri, Jan 20, 2012 at 10:57:18PM +0100, Michael Niedermayer wrote:
> Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> ---
>  libavutil/base64.c |   13 +++++++++++++
>  1 files changed, 13 insertions(+), 0 deletions(-)
> 
> diff --git a/libavutil/base64.c b/libavutil/base64.c
> index ce23294..a791a8e 100644
> --- a/libavutil/base64.c
> +++ b/libavutil/base64.c
> @@ -156,11 +156,24 @@ int main(void)
>          { "666666",  "NjY2NjY2"},
>          { "abc:def", "YWJjOmRlZg=="},
>      };
> +    char in[1024], out[2048];
>  
>      printf("Encoding/decoding tests\n");
>      for (i = 0; i < FF_ARRAY_ELEMS(tests); i++)
>          error_count += test_encode_decode(tests[i].data, strlen(tests[i].data), tests[i].encoded_ref);
>  
> +    memset(in, 123, sizeof(in));

Not sure how realistic the result for a constant value is, but it is ok.

> +    for(i=0; i<10000; i++){
> +        START_TIMER
> +        av_base64_encode(out, sizeof(out), in, sizeof(in));
> +        STOP_TIMER("encode")
> +    }
> +    for(i=0; i<10000; i++){
> +        START_TIMER
> +        av_base64_decode(in, out, sizeof(in));
> +        STOP_TIMER("decode")
> +    }

Maybe it would be interesting to test pure syntax check (with NULL
destination and 0 destination size)?