On Sun, Mar 28, 2010 at 11:48 AM, Bryce Kampjes <br...@kampjes.demon.co.uk>wrote:
> On Sat, 2010-03-27 at 18:38 +0100, Adrian Lienhard wrote: > > On Mar 27, 2010, at 18:21 , laurent laffont wrote: > > > > > On Sat, Mar 27, 2010 at 6:13 PM, Adrian Lienhard <a...@netstyle.ch> > wrote: > > > > > >> > > >> On Mar 27, 2010, at 17:16 , laurent laffont wrote: > > >> > > >>>> I would love that the official Linux VM has: > > >>>> > > >>>> - that thing about the gnufication > > >>>> I did that when compiling MacOS VM. > > >>>> Read this link (step 4 for example) > > >>>> > > >>>> > > >> > http://www.squeakvm.org/cgi-bin/viewcvs.cgi/trunk/platforms/Mac%20OS/vm/Documentation/readme.txt?rev=1984&view=auto > > >>>> > > >>>> does it make sense also in Linux VM ? which are the difference in > the > > >>>> benchmarks compared to do it without this step ? > > >>>> > > >>> > > >>> Isn't it a MacOS issue only ? > > >> > > >> No, this is relevant for all GNU C compilers! Without this step, which > > >> replaces the switch statement of the interpreter with a jump table, > you get > > >> a *much* slower VM. I suggest to use the latest SVN source. > > >> > > > > > > Does it mean latest SVN source is already "Gnuified" ? With latest > rev. I > > > have a little drop in benchmarks. However I'd rather put a stable > release > > > for Pharo 1.0 than latest trunk. What do you think ? > > > > The so-called "gnuification" is a transformation of the interp.c file. So > this is done after generating the sources with VMMaker. The cmake > configuration that comes with revision 2135 does not have this step enabled, > and the more recent version that I used, revision 2151, has it. The magic is > in the awk script in unix/cmake/gnuify.awk which produes gnu-interp.c. > > The Exupery VMs are gnuified so as your benchmarks are close, I'd say > your VM is gnuified too. If it isn't performance drops dramatically, I > think to about a tenth the performance. > > Bryce > OK, thanks. Lot of things to learn :) Laurent Laffont > > > _______________________________________________ > Pharo-project mailing list > Pharo-project@lists.gforge.inria.fr > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project >
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