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From: Eric Wong <e@80x24.org>
To: dtas-all@nongnu.org
Subject: fiddle vs sleepy_penguin vs Perl syscall() bench scripts
Date: Sun, 15 Dec 2019 20:39:35 +0000
Message-ID: <20191215203935.GA18183@dcvr> (raw)
In-Reply-To: <20191213181630.GA11136@dcvr>

[-- Attachment #1: Type: text/plain, Size: 254 bytes --]

Eric Wong <e@80x24.org> wrote:
> I'll need to rework this series to maintain sleepy_penguin
> support and only use fiddle as a fallback.  libffi and fiddle
> use more CPU, which is noticeable on an ancient laptop...

scripts used for testing attached :>

[-- Attachment #2: splice_bench.pl --]
[-- Type: text/x-perl, Size: 258 bytes --]

#!/usr/bin/perl -w
use strict;
use Benchmark qw(:all :hireswallclock);
BEGIN { require 'sys/syscall.ph' };
my $s;
my $t = timeit(1, sub {
	do {
		$s = syscall(SYS_splice, 0, undef, 1, undef, 4096, 0);
	} while $s;
});
print STDERR "OK: ", timestr($t), "\n";

[-- Attachment #3: splice_bench.rb --]
[-- Type: application/x-ruby, Size: 884 bytes --]

      reply	other threads:[~2019-12-15 20:39 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-01  1:26 [PATCH 0/5] use fiddle for Linux-specific APIs Eric Wong
2019-12-01  1:26 ` [PATCH 1/5] pipe: avoid loading sleepy_penguin Eric Wong
2019-12-01  1:26 ` [PATCH 2/5] use fiddle-based eventfd implementation Eric Wong
2019-12-01  1:26 ` [PATCH 3/5] buffer: replace sleepy_penguin with fiddle Eric Wong
2019-12-01  1:26 ` [PATCH 4/5] watchable: use fiddle for inotify support Eric Wong
2019-12-01  1:26 ` [PATCH 5/5] doc: remove "sleepy_penguin" references Eric Wong
2019-12-13 18:16 ` [PATCH 0/5] use fiddle for Linux-specific APIs Eric Wong
2019-12-15 20:39   ` Eric Wong [this message]

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