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[Gcl-devel] Re: fork cost
From: |
Camm Maguire |
Subject: |
[Gcl-devel] Re: fork cost |
Date: |
07 Nov 2005 15:56:06 -0500 |
User-agent: |
Gnus/5.09 (Gnus v5.9.0) Emacs/21.2 |
Great! Am forwarding this to the list in case any reader might know
how we can tell how close we are to the real floor in fork overhead.
Take care,
Robert Boyer <address@hidden> writes:
> Works again, thanks.
>
> Down to 790 microseconds per fork on Elgin now.
>
> Thanks!
>
> Bob
>
> % g
> GCL (GNU Common Lisp) 2.7.0 ANSI Nov 6 2005 14:35:45
> Source License: LGPL(gcl,gmp,pargcl), GPL(unexec,bfd)
> Binary License: GPL due to GPL'ed components: (BFD UNEXEC)
> Modifications of this banner must retain notice of a compatible license
> Dedicated to the memory of W. Schelter
>
> Use (help) to get some basic information on how to use GCL.
>
> >(defun foo nil (si::p-let ((a nil)) a))
>
> FOO
>
> >(compile 'foo)
>
> ;; Compiling ./gazonk0.lsp.
> ;; End of Pass 1.
> ;; End of Pass 2.
> ;; OPTIMIZE levels: Safety=0 (No runtime error checking), Space=0, Speed=3,
> (Debug quality ignored)
> ;; Finished compiling ./gazonk0.o.
> Loading /v/filer2/boyer/gazonk0.o
> start address -T 0x960960 Finished loading /v/filer2/boyer/gazonk0.o
> #<compiled-function FOO>
> NIL
> NIL
>
> >(time (dotimes (i 1000) (foo))
> )
>
> real time : 0.790 secs
> run-gbc time : 0.000 secs
> child run time : 0.090 secs
> gbc time : 0.000 secs
> NIL
>
> >
>
>
>
--
Camm Maguire address@hidden
==========================================================================
"The earth is but one country, and mankind its citizens." -- Baha'u'llah
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