Re: Maxima works with gcl 2.7.1

David Scherfgen via Maxima-discuss <[email protected]> Sun, 27 Apr 2025 10:33:51 +0200
Newsgroups gmane.comp.mathematics.maxima.general,gmane.lisp.gcl.devel
Message-ID <CAMTHLKj5p7cgZ6EFKqkJA0q491Do0OMUUh=oETZ2muX=H-JiXA@mail.gmail.com>
I'm also happy to report that Maxima runs significantly faster under GCL
2.7.1 compared to 2.6.14, at least judging by the test suite. Its runtime
is reduced by almost 30%. Great job, Came!

By the way, there was no difference in performance between 1 GiB hugepages
with --enable-min-pagesize=21 and 2 MiB hugepages without any extra options.

I haven't measured, but compilation feels slower with 2.7.1. (That's OK
with me, if the resulting program runs that faster.)

Best regards
David Scherfgen

David Scherfgen <[email protected]> schrieb am So., 27. Apr. 2025,
07:56:

> Camm Maguire <[email protected]>:
>
>> Two experiments to try:
>>
>> 1) set your hugepages to 2MiB and configure && make with no options
>>
>
> Working fine!
>
>
>> 2) set your hugepages to 1GiB, configure with the
>> --enable-min-pagewidth=21, and then before make do
>>
>> echo #undef HAVE_MADVISE_HUGEPAGE >>h/config.h
>>
>> Then make.
>>
>
> I must apologize, I think I messed up previously (didn't remove all build
> products). Now I can say that with 1 GiB hugepages, doing ./configure
> --enable-min-pagewidth=21 is sufficient, the modification of config.h is
> not necessary. The build succeeds.
>
> Sorry for the confusion.
>

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