My spec for pixz report

gistfile1.txt

Linux GJamesb 3.1.1-gentoo #10 SMP Fri Sep 28 22:58:32 CEST 2012 x86_64 Intel(R) Core(TM)2 Quad CPU Q9450 @ 2.66GHz GenuineIntel GNU/Linux

Intel Q9450: 4 physical cores, flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl aperfmperf pni dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm sse4_1 lahf_lm dts tpr_shadow vnmi flexpriority

RAM Mem: 5981, Swap: 6140

> ldd $(which pixz)
  linux-vdso.so.1 (0x00007fffee67c000)
	libpthread.so.0 => /lib64/libpthread.so.0 (0x00007fd50f122000)
	liblzma.so.5 => /usr/lib64/liblzma.so.5 (0x00007fd50eeff000)
	libarchive.so.2 => /lib64/libarchive.so.2 (0x00007fd50ecba000)
	libc.so.6 => /lib64/libc.so.6 (0x00007fd50e910000)
	/lib64/ld-linux-x86-64.so.2 (0x00007fd50f33f000)
	libacl.so.1 => /lib64/libacl.so.1 (0x00007fd50e707000)
	libbz2.so.1 => /lib64/libbz2.so.1 (0x00007fd50e4f7000)
	libxml2.so.2 => /usr/lib64/libxml2.so.2 (0x00007fd50e1a0000)
	libz.so.1 => /lib64/libz.so.1 (0x00007fd50df88000)
	libm.so.6 => /lib64/libm.so.6 (0x00007fd50dc92000)
	libcrypto.so.1.0.0 => /usr/lib64/libcrypto.so.1.0.0 (0x00007fd50d8bc000)
	libattr.so.1 => /lib64/libattr.so.1 (0x00007fd50d6b7000)
	libicuuc.so.49 => /usr/lib64/libicuuc.so.49 (0x00007fd50d33e000)
	libdl.so.2 => /lib64/libdl.so.2 (0x00007fd50d13a000)
	libicudata.so.49 => /usr/lib64/libicudata.so.49 (0x00007fd50be1a000)
	libstdc++.so.6 => /usr/lib/gcc/x86_64-pc-linux-gnu/4.6.3/libstdc++.so.6 (0x00007fd50bb10000)
	libgcc_s.so.1 => /usr/lib/gcc/x86_64-pc-linux-gnu/4.6.3/libgcc_s.so.1 (0x00007fd50b8fa000)

versions:
    libpthread-2.15.so
    liblzma.so.5.0.4
    libarchive.so.2.8.5
    libc-2.15.so
    libacl.so.1.1.0
    libbz2.so.1.0.6
    libxml2.so.2.8.0
    libz.so.1.2.5
    libm-2.15.so
    libattr.so.1.1.0
    libicuuc.so.49.1.1
    libdl-2.15.so
    libicudata.so.49.1.1
    libstdc++.so.6.0.16