Commit 0501e066b51b659371739008c20e80642532497a | zig

1 files changed, 7 insertions(+), 10 deletions(-)

std/crypto/throughput_test.zig+7-10

...	...	@@ -1,17 +1,13 @@
1	1	// Modify the HashFunction variable to the one wanted to test.
2	2	//
3		// NOTE: The throughput measurement may be slightly lower than other measurements since we run
4		// through our block alignment functions as well. Be aware when comparing against other tests.
5		//
6	3	// ```
7		// zig build-exe --release-fast --library c throughput_test.zig
	4	// zig build-exe --release-fast throughput_test.zig
8	5	// ./throughput_test
9	6	// ```
10	7
11	8	const std = @import("std");
12		const c = @cImport({
13		@cInclude("time.h");
14		});
	9	const time = std.os.time;
	10	const Timer = time.Timer;
15	11	const HashFunction = @import("md5.zig").Md5;
16	12
17	13	const MiB = 1024 * 1024;
...	...	@@ -28,13 +24,14 @@ pub fn main() !void {
28	24	var h = HashFunction.init();
29	25	var offset: usize = 0;
30	26
31		const start = c.clock();
	27	var timer = try Timer.start();
	28	const start = timer.lap();
32	29	while (offset < BytesToHash) : (offset += block.len) {
33	30	h.update(block[0..]);
34	31	}
35		const end = c.clock();
	32	const end = timer.read();
36	33
37		const elapsed_s = f64(end - start) / f64(c.CLOCKS_PER_SEC);
	34	const elapsed_s = f64(end - start) / time.ns_per_s;
38	35	const throughput = u64(BytesToHash / elapsed_s);
39	36
40	37	try stdout.print("{}: {} MiB/s\n", @typeName(HashFunction), throughput / (1 * MiB));