[ic] Upgrade to Interchange-5.7.4 performance issues
Stefan Hornburg (Racke)
racke at linuxia.de
Tue Mar 23 14:16:28 UTC 2010
Bill Carr wrote:
> On Mar 22, 2010, at 4:11 PM, Peter wrote:
>
>> On 23/03/10 03:51, Bill Carr wrote:
>>> I just tried again with vlink and I still get the performance
>>> problems. I posted a new strace here
>>> http://www.bottlenose-wine.com/userfiles/strace.txt. Anymore ideas? I
>>> sure don't want to be orphaned off in 5.4.0 land forever.
>>> From the looks of it, you're using your system perl which is 5.10.1. If
>> this is a threaded perl it could explain some of the slowdown. Can you
>> try compiling your own perl 5.8.9 and see how it works out? There's
>> some directions at:
>> http://cloud.github.com/downloads/pajamian/stuff/Rackspace_Interchange_Setup.html
>>
>> Scroll down to "Section 10: Compiling Your own Perl".
> I don't think this perl is threaded:
>
> www at pimmscup:~$ perl -V
> Summary of my perl5 (revision 5 version 10 subversion 1) configuration:
>
> Platform:
> osname=linux, osvers=2.6.32-trunk-amd64, archname=x86_64-linux
> uname='linux pimmscup 2.6.32-trunk-amd64 #1 smp sun jan 10 22:40:40 utc 2010 x86_64 gnulinux '
> config_args='-des -Dprefix=/usr'
> hint=recommended, useposix=true, d_sigaction=define
> useithreads=undef, usemultiplicity=undef
> useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
> use64bitint=define, use64bitall=define, uselongdouble=undef
> usemymalloc=n, bincompat5005=undef
> Compiler:
> cc='cc', ccflags ='-fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
> optimize='-O2',
> cppflags='-fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'
> ccversion='', gccversion='4.3.4', gccosandvers=''
> intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
> d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
> ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
> alignbytes=8, prototype=define
> Linker and Libraries:
> ld='cc', ldflags =' -fstack-protector -L/usr/local/lib'
> libpth=/usr/local/lib /lib /usr/lib /lib64 /usr/lib64
> libs=-lnsl -ldb -ldl -lm -lcrypt -lutil -lc
> perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc
> libc=/lib/libc-2.10.2.so, so=so, useshrplib=false, libperl=libperl.a
> gnulibc_version='2.10.2'
> Dynamic Linking:
> dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
> cccdlflags='-fPIC', lddlflags='-shared -O2 -L/usr/local/lib -fstack-protector'
>
>
> Characteristics of this binary (from libperl):
> Compile-time options: PERL_DONT_CREATE_GVSV PERL_MALLOC_WRAP USE_64_BIT_ALL
> USE_64_BIT_INT USE_LARGE_FILES USE_PERLIO
> Built under linux
> Compiled at Feb 11 2010 10:52:46
> @INC:
> /usr/lib/perl5/5.10.1/x86_64-linux
> /usr/lib/perl5/5.10.1
> /usr/lib/perl5/site_perl/5.10.1/x86_64-linux
> /usr/lib/perl5/site_perl/5.10.1
> /usr/lib/perl5/site_perl/5.10.0/x86_64-linux
> /usr/lib/perl5/site_perl/5.10.0
> /usr/lib/perl5/site_perl
> .
>
> Could 5.8.9 make a difference or do you just want to make sure my perl is not threaded? I think I'm using some features that are only available in > 5.10.
I don't see any massive performance problems as you reported with my Perl 5.10.1 threaded installations,
though it seems Debian's Perl seems to be well maintained :-).
Regards
Racke
--
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