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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In reply to Re^4: memory usage on x86_64 by powerman
in thread memory usage on x86_64 by powerman

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