From: ludo@gnu.org (Ludovic Courtès)
To: guile-devel@gnu.org
Subject: Re: instruction-level tracing
Date: Thu, 16 Sep 2010 22:29:49 +0200 [thread overview]
Message-ID: <877hill9du.fsf@gnu.org> (raw)
In-Reply-To: m3wrqmaqk9.fsf@unquote.localdomain
Hi Andy,
Andy Wingo <wingo@pobox.com> writes:
> I de-bitrotted instruction-level tracing in the VM. Ideally it would
> display like ,disassemble does, but that would take some more work.
>
> Still, Guile's speed is mostly proportional to how many instructions are
> executed, besides amount of garbage consed, and this view can be
> interesting to people looking to squeeze more performance out of their
> code, or find ways that the compiler does things wrong.
>
> scheme@(guile-user)> (use-modules (srfi srfi-1))
> scheme@(guile-user)> ,trace (fold cons '() '(a b c d)) #:instructions? #t
This looks like a useful tool, yes!
Thanks,
Ludo’.
prev parent reply other threads:[~2010-09-16 20:29 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-09-16 11:14 instruction-level tracing Andy Wingo
2010-09-16 20:29 ` Ludovic Courtès [this message]
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