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Re^4: 5:10: Why is this slower than 5.8.8?

by Anonymous Monk
on Dec 24, 2007 at 08:36 UTC ( #658856=note: print w/ replies, xml ) Need Help??


in reply to Re^3: 5:10: Why is this slower than 5.8.8?
in thread 5:10: Why is this slower than 5.8.8?

You found one case on 10000. Other 9999 cases is slower with perl's malloc. And this is not the subject of the topic! Class::Accessor::Grouped anyway runs faster without perl's malloc and the problem is not in the type of malloc.


Comment on Re^4: 5:10: Why is this slower than 5.8.8?
Re^5: 5:10: Why is this slower than 5.8.8?
by eserte (Deacon) on Dec 24, 2007 at 09:43 UTC
    This does not seem to be the public opinion in this topic. For example, FreeBSD's perl port contains the lines:
    @${ECHO} " WITHOUT_PERL_MALLOC=yes Use FreeBSD system m +alloc" @${ECHO} " (uses less memory, b +ut slower)
    And the hint file in the perl distribution used to have the following lines:
    4.*) # In FreeBSD 4 and 5 the system malloc is performance-wise # VERY bad for Perl-- we are talking of differences of not # one, but TWO magnitudes.
    This is not part of the default hint file anymore, but only because perl's malloc does not work with threaded builds, so Jarkko decided to always use the system's malloc.

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