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Re^2: memory usage on x86_64

by powerman (Friar)
on Feb 15, 2012 at 21:19 UTC ( [id://954076]=note: print w/replies, xml ) Need Help??


in reply to Re: memory usage on x86_64
in thread memory usage on x86_64

Yes, I'm sure. It's Gentoo - I've compiled perl from source with exactly same options and environment libraries on both systems. Only difference is kernel version because I didn't upgraded kernel on one of systems yet (will do this tomorrow), but I don't believe kernel version can make any difference here. So, both perls are same, and only difference is 32/64-bit system.

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Re^3: memory usage on x86_64
by BrowserUk (Patriarch) on Feb 15, 2012 at 21:46 UTC

    The only thing that came to mind that might account for the difference was if something was being statically rather than dynamically linked. Could that still apply to one of the indirect components?


    With the rise and rise of 'Social' network sites: 'Computers are making people easier to use everyday'
    Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
    "Science is about questioning the status quo. Questioning authority".
    In the absence of evidence, opinion is indistinguishable from prejudice.

    The start of some sanity?

      No, I don't think so. Library sizes doesn't differ that much.
      x86 # ldd /usr/bin/perl5.12.4 linux-gate.so.1 => (0xa07c8000) libperl.so.5.12 => /usr/lib/libperl.so.5.12 (0xa067f000) libc.so.6 => /lib/libc.so.6 (0xa051f000) libdl.so.2 => /lib/libdl.so.2 (0xa051b000) libm.so.6 => /lib/libm.so.6 (0xa04f5000) libcrypt.so.1 => /lib/libcrypt.so.1 (0xa04c3000) /lib/ld-linux.so.2 (0xa07c9000) x86 # ls -l /usr/lib/libperl.so.5.12.4 /lib/lib{c,dl,m,crypt}-2.13.so +/lib/ld-2.13.so -rwxr-xr-x 1 root root 117748 Jan 22 07:24 /lib/ld-2.13.so -rwxr-xr-x 1 root root 1429836 Jan 22 07:24 /lib/libc-2.13.so -rwxr-xr-x 1 root root 34012 Jan 22 07:24 /lib/libcrypt-2.13.so -rwxr-xr-x 1 root root 9488 Jan 22 07:24 /lib/libdl-2.13.so -rwxr-xr-x 1 root root 149176 Jan 22 07:24 /lib/libm-2.13.so -rwxr-xr-x 1 root root 1321752 Dec 13 23:41 /usr/lib/libperl.so.5.12.4 x86_64 # ldd /usr/bin/perl5.12.4 linux-vdso.so.1 => (0x00007e8ee2651000) libperl.so.5.12 => /usr/lib64/libperl.so.5.12 (0x00007e8ee20c2 +000) libc.so.6 => /lib64/libc.so.6 (0x00007e8ee1d36000) libdl.so.2 => /lib64/libdl.so.2 (0x00007e8ee1b32000) libm.so.6 => /lib64/libm.so.6 (0x00007e8ee18b4000) libcrypt.so.1 => /lib64/libcrypt.so.1 (0x00007e8ee167d000) /lib64/ld-linux-x86-64.so.2 (0x00007e8ee2433000) x86_64 # ls -l /usr/lib64/libperl.so.5.12.4 /lib64/lib{c,dl,m,crypt}-2 +.13.so /lib64/ld-2.13.so -rwxr-xr-x 1 root root 136616 Feb 12 16:38 /lib64/ld-2.13.so -rwxr-xr-x 1 root root 1608776 Feb 12 16:38 /lib64/libc-2.13.so -rwxr-xr-x 1 root root 34720 Feb 12 16:38 /lib64/libcrypt-2.13.so -rwxr-xr-x 1 root root 14320 Feb 12 16:38 /lib64/libdl-2.13.so -rwxr-xr-x 1 root root 514000 Feb 12 16:38 /lib64/libm-2.13.so -rwxr-xr-x 1 root root 1507552 Feb 12 16:52 /usr/lib64/libperl.so.5.12 +.4

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