From 1ddd76af0a735b7fcbec7f37c0d99a7db9893ac1 Mon Sep 17 00:00:00 2001 From: Sebastian Falbesoner Date: Thu, 23 Nov 2023 17:47:53 +0100 Subject: [PATCH] bench: add --help option to bench_internal --- src/bench_internal.c | 32 +++++++++++++++++++++++++++++++- 1 file changed, 31 insertions(+), 1 deletion(-) diff --git a/src/bench_internal.c b/src/bench_internal.c index 71f452ddc..a70068492 100644 --- a/src/bench_internal.c +++ b/src/bench_internal.c @@ -17,6 +17,25 @@ #include "ecmult_impl.h" #include "bench.h" +static void help(int default_iters) { + printf("Benchmarks various internal routines.\n"); + printf("\n"); + printf("The default number of iterations for each benchmark is %d. This can be\n", default_iters); + printf("customized using the SECP256K1_BENCH_ITERS environment variable.\n"); + printf("\n"); + printf("Usage: ./bench_internal [args]\n"); + printf("By default, all benchmarks will be run.\n"); + printf("args:\n"); + printf(" help : display this help and exit\n"); + printf(" scalar : all scalar operations (add, half, inverse, mul, negate, split)\n"); + printf(" field : all field operations (half, inverse, issquare, mul, normalize, sqr, sqrt)\n"); + printf(" group : all group operations (add, double, to_affine)\n"); + printf(" ecmult : all point multiplication operations (ecmult_wnaf) \n"); + printf(" hash : all hash algorithms (hmac, rng6979, sha256)\n"); + printf(" context : all context object operations (context_create)\n"); + printf("\n"); +} + typedef struct { secp256k1_scalar scalar[2]; secp256k1_fe fe[4]; @@ -365,8 +384,19 @@ static void bench_context(void* arg, int iters) { int main(int argc, char **argv) { bench_inv data; - int iters = get_iters(20000); + int default_iters = 20000; + int iters = get_iters(default_iters); int d = argc == 1; /* default */ + + if (argc > 1) { + if (have_flag(argc, argv, "-h") + || have_flag(argc, argv, "--help") + || have_flag(argc, argv, "help")) { + help(default_iters); + return 0; + } + } + print_output_table_header_row(); if (d || have_flag(argc, argv, "scalar") || have_flag(argc, argv, "half")) run_benchmark("scalar_half", bench_scalar_half, bench_setup, NULL, &data, 10, iters*100);