From: Sebastian Gniazdowski <psprint@zdharma.org>
To: Stephane Chazelas <stephane.chazelas@gmail.com>
Cc: Zsh hackers list <zsh-workers@zsh.org>
Subject: Re: Performance tests of quoting and dequoting, printf -v turned out slow
Date: Fri, 9 Mar 2018 14:39:10 +0100 [thread overview]
Message-ID: <etPan.5aa28e7e.6288ff7f.159ee@zdharma.org> (raw)
In-Reply-To: <etPan.5aa28b1e.77e79f33.159ee@AirmailxGenerated.am>
On 9 marca 2018 at 14:23:44, Stephane Chazelas (stephane.chazelas@gmail.com) wrote:
> I can't reproduce with zsh 5.4.2 (x86_64-debian-linux-gnu)
> compared with 4.4.18(1)-release (x86_64-pc-linux-gnu).
> in a en_GB.UTF-8 locale.
>
> FWIW, I find:
>
> $ time INPUT='ice as"program" pick"$ZPFX/bin/prll_(qer|bfr)" src"prll.sh" make"install
> PREFIX=$ZPFX"' bash -c 'for ((i = 0; i < 50000; i++)); do printf -v OUTPUT %q "$INPUT";
> done'
> INPUT= bash -c 1.48s user 0.00s system 99% cpu 1.485 total
> $ time INPUT='ice as"program" pick"$ZPFX/bin/prll_(qer|bfr)" src"prll.sh" make"install
> PREFIX=$ZPFX"' zsh -c 'for ((i = 0; i < 50000; i++)); do printf -v OUTPUT %q "$INPUT"; done'
> INPUT= zsh -c 0.83s user 0.14s system 99% cpu 0.979 total
>
> What's your version and locale?
5.3.1, I looked also at 5.4.2 and the results were the same. For your snippets I get the same results as you. If I source short.zsh, I again get ~25 sec time. I will find some time to narrow this shortly.
--
Sebastian Gniazdowski
psprint /at/ zdharma.org
next prev parent reply other threads:[~2018-03-09 13:39 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-09 6:22 Sebastian Gniazdowski
2018-03-09 13:23 ` Stephane Chazelas
[not found] ` <etPan.5aa28b1e.77e79f33.159ee@AirmailxGenerated.am>
2018-03-09 13:39 ` Sebastian Gniazdowski [this message]
2018-03-09 14:53 ` Stephane Chazelas
2018-03-10 8:36 ` Sebastian Gniazdowski
2018-03-10 15:03 ` Stephane Chazelas
[not found] ` <etPan.5aa3f656.1efba338.159ee@AirmailxGenerated.am>
2018-03-10 16:53 ` Sebastian Gniazdowski
2018-03-10 15:40 ` Oliver Kiddle
2018-03-11 8:33 ` Bart Schaefer
2018-03-13 11:28 ` Sebastian Gniazdowski
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