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Diffstat (limited to 'third_party/git/t/helper/test-hash-speed.c')
-rw-r--r--third_party/git/t/helper/test-hash-speed.c61
1 files changed, 0 insertions, 61 deletions
diff --git a/third_party/git/t/helper/test-hash-speed.c b/third_party/git/t/helper/test-hash-speed.c
deleted file mode 100644
index 432233c7f0e5..000000000000
--- a/third_party/git/t/helper/test-hash-speed.c
+++ /dev/null
@@ -1,61 +0,0 @@
-#include "test-tool.h"
-#include "cache.h"
-
-#define NUM_SECONDS 3
-
-static inline void compute_hash(const struct git_hash_algo *algo, git_hash_ctx *ctx, uint8_t *final, const void *p, size_t len)
-{
-	algo->init_fn(ctx);
-	algo->update_fn(ctx, p, len);
-	algo->final_fn(final, ctx);
-}
-
-int cmd__hash_speed(int ac, const char **av)
-{
-	git_hash_ctx ctx;
-	unsigned char hash[GIT_MAX_RAWSZ];
-	clock_t initial, start, end;
-	unsigned bufsizes[] = { 64, 256, 1024, 8192, 16384 };
-	int i;
-	void *p;
-	const struct git_hash_algo *algo = NULL;
-
-	if (ac == 2) {
-		for (i = 1; i < GIT_HASH_NALGOS; i++) {
-			if (!strcmp(av[1], hash_algos[i].name)) {
-				algo = &hash_algos[i];
-				break;
-			}
-		}
-	}
-	if (!algo)
-		die("usage: test-tool hash-speed algo_name");
-
-	/* Use this as an offset to make overflow less likely. */
-	initial = clock();
-
-	printf("algo: %s\n", algo->name);
-
-	for (i = 0; i < ARRAY_SIZE(bufsizes); i++) {
-		unsigned long j, kb;
-		double kb_per_sec;
-		p = xcalloc(1, bufsizes[i]);
-		start = end = clock() - initial;
-		for (j = 0; ((end - start) / CLOCKS_PER_SEC) < NUM_SECONDS; j++) {
-			compute_hash(algo, &ctx, hash, p, bufsizes[i]);
-
-			/*
-			 * Only check elapsed time every 128 iterations to avoid
-			 * dominating the runtime with system calls.
-			 */
-			if (!(j & 127))
-				end = clock() - initial;
-		}
-		kb = j * bufsizes[i];
-		kb_per_sec = kb / (1024 * ((double)end - start) / CLOCKS_PER_SEC);
-		printf("size %u: %lu iters; %lu KiB; %0.2f KiB/s\n", bufsizes[i], j, kb, kb_per_sec);
-		free(p);
-	}
-
-	exit(0);
-}