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Re: Timing function execution

X-seq: zsh-users 27319
From: Zach Riggle <zachriggle@xxxxxxxxx>
To: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
Cc: Roman Perepelitsa <roman.perepelitsa@xxxxxxxxx>, Zsh Users <zsh-users@xxxxxxx>
Subject: Re: Timing function execution
Date: Sat, 6 Nov 2021 15:37:32 -0500
Archived-at: <https://zsh.org/users/27319>
In-reply-to: <CAH+w=7Y4dUKvFPEbL28ebnLRx8Qxb9swLGW9Wq_na1C_V3BTfg@mail.gmail.com>
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References: <CAMP9c5=YX9v969sVNcVcpbb8R6e4EoyrAMpqpEDAnpSYQi9Sbw@mail.gmail.com> <CAH+w=7Z2jJqxSAa6sD_+jBEbDfHTfa_aMr_9WLfWG5T1OcCNFw@mail.gmail.com> <CAN=4vMrPTZ033Nm1GdSiTH7oA=TyS6PBOo7VpYtaaiYLoPBp7g@mail.gmail.com> <CAH+w=7aLZwYvN0_KOdf9=HcLBUtYzoHKjL4ck8tKCjau9qoduw@mail.gmail.com> <CAH+w=7brr8EjV=V8tV2weQ6DqT3eputT+UrDffRhTVtO0wcFDQ@mail.gmail.com> <CAH+w=7ZmXgXXDrHUNgt3=F1vmcvt28XWOh13PQP51uYYHdVhOA@mail.gmail.com> <CAN=4vMo8ChMoQuXq8reGX5m0UO4V5LB6iz5+yec=Lyo7oQ9fPg@mail.gmail.com> <CAH+w=7Y4dUKvFPEbL28ebnLRx8Qxb9swLGW9Wq_na1C_V3BTfg@mail.gmail.com>

Thanks for the ideas everybody!

I may write up my own "timer" wrapper that uses $EPOCHREALTIME for the benchmarking.

Zach Riggle

On Sat, Nov 6, 2021 at 2:02 PM Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx> wrote:

On Sat, Nov 6, 2021 at 11:44 AM Roman Perepelitsa
<roman.perepelitsa@xxxxxxxxx> wrote:
>
> Does this mean that `time foo` could work for functions (or rather any
> "list")? That would be nice.

It's a bit more complicated than that; "time" with is handed fairly
deep in the exec.c call stack, with a special case for an empty list,
and actually requesting/printing the data when there is a list is
passed off to the SIGCHLD handler, so it would take a bit more
untangling than I'm going to dive into.

References:
- Timing function execution
  - From: Zach Riggle
- Re: Timing function execution
  - From: Bart Schaefer
- Re: Timing function execution
  - From: Roman Perepelitsa
- Re: Timing function execution
  - From: Bart Schaefer
- Re: Timing function execution
  - From: Bart Schaefer
- Re: Timing function execution
  - From: Bart Schaefer
- Re: Timing function execution
  - From: Roman Perepelitsa
- Re: Timing function execution
  - From: Bart Schaefer

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