Commit 8b72eedc76f46b978843344f92605acb4ee4061a | zig

author	daurnimator <quae@daurnimator.com> 2019-12-28 14:23:27+11:00
committer	daurnimator <quae@daurnimator.com> 2019-12-28 14:39:38+11:00
log	8b72eedc76f46b978843344f92605acb4ee4061a
tree	00faf1d553f88d695276595ec5cc73bbf99faccc
parent	a81c0ba2e730bd69e7c7a672fa795c46ce6b001b
signature	Commit is signed but in an unrecognized format.

In my tests, whatever ran first was getting much better numbers.
Additionally, add alignment requirements so that comparison is fair.

1 files changed, 7 insertions(+), 2 deletions(-)

lib/std/unicode/throughput_test.zig+7-2

...	...	@@ -6,18 +6,23 @@ pub fn main() !void {
6	6
7	7	const args = try std.process.argsAlloc(std.heap.page_allocator);
8	8
	9	// Warm up runs
	10	var buffer0: [32767]u16 align(4096) = undefined;
	11	_ = try std.unicode.utf8ToUtf16Le(&buffer0, args[1]);
	12	_ = try std.unicode.utf8ToUtf16Le_better(&buffer0, args[1]);
	13
9	14	@fence(.SeqCst);
10	15	var timer = try std.time.Timer.start();
11	16	@fence(.SeqCst);
12	17
13		var buffer1: [32767]u16 = undefined;
	18	var buffer1: [32767]u16 align(4096) = undefined;
14	19	_ = try std.unicode.utf8ToUtf16Le(&buffer1, args[1]);
15	20
16	21	@fence(.SeqCst);
17	22	const elapsed_ns_orig = timer.lap();
18	23	@fence(.SeqCst);
19	24
20		var buffer2: [32767]u16 = undefined;
	25	var buffer2: [32767] u16 align(4096) = undefined;
21	26	_ = try std.unicode.utf8ToUtf16Le_better(&buffer2, args[1]);
22	27
23	28	@fence(.SeqCst);