Zsh Mailing List Archive Messages sorted by: Reverse Date, Date, Thread, Author

Re: ZSH performance regression in 5.8.1.2-test

X-seq: zsh-workers 50132
From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: Jun T <takimoto-j@xxxxxxxxxxxxxxxxx>
Cc: Zsh hackers list <zsh-workers@xxxxxxx>, Jordan Patterson <jordanp@xxxxxxxxx>
Subject: Re: ZSH performance regression in 5.8.1.2-test
Date: Thu, 28 Apr 2022 07:56:46 -0700
Archived-at: <https://zsh.org/workers/50132>
In-reply-to: <69FD2736-5C14-4789-8D1D-397121129BEA@kba.biglobe.ne.jp>
List-id: <zsh-workers.zsh.org>
References: <CAHDOzW6wE2aP6-MMrBNAUYttzQwi2VC_OY7tJDwkQwrtp47zEQ@mail.gmail.com> <CAH+w=7YwV=Cu1N7dSb417R1Q0vAMu6R6hAryXqE4RBkmU_w5gA@mail.gmail.com> <20220425192036.p6awbyro2a2lp7bq@chazelas.org> <CAH+w=7Yz-usT3nbbOW8o-awgZ_EKYVDaM_VVhyKYwaiOdxRzzw@mail.gmail.com> <CAH+w=7bb+3T5MabhmCS9BwC7XmTxmydxQ5GLy7R7+6f6B7-=EA@mail.gmail.com> <CAHDOzW5iJ2UJ7yKOs08knymPFkT-cursD2_y79KRYkWVepbHLw@mail.gmail.com> <69FD2736-5C14-4789-8D1D-397121129BEA@kba.biglobe.ne.jp>

On Thu, Apr 28, 2022 at 2:54 AM Jun T <takimoto-j@xxxxxxxxxxxxxxxxx> wrote:
>
> it was about 10 times slower in 5.8.1.2-test (compared with 5.8),
> and now with the Bart's lseek patch it is just about 10% slower.
> I think 10% is acceptable.

Indeed.  Would be interesting to compare to 5.7.something which used fgetc.

References:
- ZSH performance regression in 5.8.1.2-test
  - From: Jordan Patterson
- Re: ZSH performance regression in 5.8.1.2-test
  - From: Bart Schaefer
- Re: ZSH performance regression in 5.8.1.2-test
  - From: Stephane Chazelas
- Re: ZSH performance regression in 5.8.1.2-test
  - From: Bart Schaefer
- Re: ZSH performance regression in 5.8.1.2-test
  - From: Bart Schaefer
- Re: ZSH performance regression in 5.8.1.2-test
  - From: Jordan Patterson
- Re: ZSH performance regression in 5.8.1.2-test
  - From: Jun T

Messages sorted by: Reverse Date, Date, Thread, Author