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Date: Fri, 9 Mar 2018 14:39:10 +0100
From: Sebastian Gniazdowski <psprint@zdharma.org>
To: Stephane Chazelas <stephane.chazelas@gmail.com>
Cc: Zsh hackers list <zsh-workers@zsh.org>
Message-ID: <etPan.5aa28e7e.6288ff7f.159ee@zdharma.org>
In-Reply-To: <etPan.5aa28b1e.77e79f33.159ee@AirmailxGenerated.am>
References: <etPan.5aa22836.70671812.159ee@zdharma.org>
 <etPan.5aa28b1e.77e79f33.159ee@AirmailxGenerated.am>
Subject: Re: Performance tests of quoting and dequoting, printf -v
 turned out slow
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On 9 marca 2018 at 14:23:44, Stephane Chazelas (stephane.chazelas=40gmail=
.com) wrote:
> I can't reproduce with zsh 5.4.2 (x86=5F64-debian-linux-gnu)
> compared with 4.4.18(1)-release (x86=5F64-pc-linux-gnu).
> in a en=5FGB.UT=46-8 locale.
> =20
> =46WIW, I find:
> =20
> =24 time INPUT=3D'ice as=22program=22 pick=22=24ZP=46X/bin/prll=5F(qer=7C=
bfr)=22 src=22prll.sh=22 make=22install =20
> PRE=46IX=3D=24ZP=46X=22' bash -c 'for ((i =3D 0; i < 50000; i++)); do p=
rintf -v OUTPUT %q =22=24INPUT=22; =20
> done'
> INPUT=3D bash -c 1.48s user 0.00s system 99% cpu 1.485 total
> =24 time INPUT=3D'ice as=22program=22 pick=22=24ZP=46X/bin/prll=5F(qer=7C=
bfr)=22 src=22prll.sh=22 make=22install =20
> PRE=46IX=3D=24ZP=46X=22' zsh -c 'for ((i =3D 0; i < 50000; i++)); do pr=
intf -v OUTPUT %q =22=24INPUT=22; done' =20
> INPUT=3D zsh -c 0.83s user 0.14s system 99% cpu 0.979 total
> =20
> What's your version and locale=3F

5.3.1, I looked also at 5.4.2 and the results were the same. =46or your s=
nippets I get the same results as you. If I source short.zsh, I again get=
 =7E25 sec time. I will find some time to narrow this shortly.

--=C2=A0
Sebastian Gniazdowski
psprint /at/ zdharma.org