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Floris Bos
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136
dependencies/libarchive-3.4.2/contrib/psota-benchmark/results.txt
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136
dependencies/libarchive-3.4.2/contrib/psota-benchmark/results.txt
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ODP: [Bug-tar] GNU tar, star and BSD tar speed comparison +new script
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Jan Psota
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Thu, 25 Oct 2007 06:51:13 -0700
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Latest TCP script at the bottom (3180 bytes).
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4 tests: 64bit dual core Athlon tmpfs / disk (reiserfs) - 60MB/s,
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32bit Athlon tmpfs / disk (reiserfs) - 55MB/s
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Both machines were idle -- used for testing only.
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Tarball and extracted files were on different physical devices.
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Test data: linux 2.6.22/3 kernel sources for memory operations,
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for the other data average file size should bring enough info.
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2 x [...] processor means 1 processor with 2 cores (2 entries in cpuinfo).
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Archive format is set to pax (Joerg).
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Let's end with it. I only wanted to send You a new version of TCP script :-).
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--
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Jan Psota
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TCP, version 2007-10-25
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Linux 2.6.22-suspend2-r2 / Gentoo Base System release 2.0.0_rc5
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2012MB of memory, 2 x AMD Athlon(tm) 64 X2 Dual Core Processor 4200+ 2211.348
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512 KB 4426.24 bmips
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gcc (GCC) 4.2.2 (Gentoo 4.2.2 p1.0)
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CFLAGS="-O2 -march=k8 -pipe"
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bsdtar: bsdtar 2.3.4 - libarchive 2.3.4
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gnutar: tar (GNU tar) 1.19
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star: star: star 1.5a85 (x86_64-unknown-linux-gnu)
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best time of 5 repetitions,
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src=linux-2.6.23, 291M in 23867 files, avg 13KB/file,
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archive=/tmp/tcp.tar, extract to /tmp/tcptmp
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program operation real user system %CPU speed
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bsdtar create 0.764 0.232 0.532 99.96 370308 KB/s
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gnutar create 0.743 0.200 0.512 95.87 380775 KB/s
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star create 0.587 0.040 0.820 100.00 441247 KB/s
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bsdtar list 0.164 0.096 0.068 99.84 1579341 KB/s
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gnutar list 0.218 0.064 0.152 98.92 1188128 KB/s
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star list 0.359 0.044 0.240 79.09 721481 KB/s
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bsdtar extract 0.733 0.200 0.504 96.02 353358 KB/s
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gnutar extract 0.625 0.092 0.508 96.02 414419 KB/s
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star extract 0.875 0.096 0.980 100.00 296013 KB/s
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bsdtar compare 0.001 0.000 0.000 0.00 259012000 KB/s
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gnutar compare 0.719 0.288 0.400 95.66 360239 KB/s
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star compare 0.695 0.224 0.636 100.00 372679 KB/s
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[...]
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best time of 3 repetitions,
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src=/home, 3.2G in 7447 files, avg 554KB/file,
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archive=/var/tcp.tar, extract to /mnt/a/tcptmp
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program operation real user system %CPU speed
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bsdtar create 184.680 0.552 13.365 7.53 17958 KB/s
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gnutar create 159.240 0.256 12.417 7.95 20827 KB/s
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star create 181.779 0.140 14.789 8.21 18203 KB/s
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bsdtar list 0.053 0.032 0.016 91.41 62435471 KB/s
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gnutar list 56.535 0.136 3.764 6.89 58531 KB/s
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star list 56.652 0.080 5.236 9.38 58410 KB/s
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bsdtar extract 78.914 0.820 15.149 20.23 41932 KB/s
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gnutar extract 78.480 0.196 14.197 18.33 42164 KB/s
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star extract 79.439 0.132 12.973 16.49 41655 KB/s
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bsdtar compare 0.001 0.000 0.000 0.00 3309080000 KB/s
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gnutar compare 61.771 3.464 8.905 20.02 53570 KB/s
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star compare 57.561 1.728 9.897 20.19 57488 KB/s
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Linux 2.6.22-suspend2-smp / Gentoo Base System release 2.0.0_rc5
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504MB of memory, 1 x AMD Athlon(tm) Processor 1500.033 256 KB 3002.55 bmips
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gcc (GCC) 4.2.2 (Gentoo 4.2.2 p1.0)
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CFLAGS="-O2 -march=athlon-xp -mfpmath=sse -frename-registers -pipe"
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bsdtar: bsdtar 2.3.4 - libarchive 2.3.4
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gnutar: tar (GNU tar) 1.19
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star: star: star 1.5a85 (i686-pc-linux-gnu)
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best time of 3 repetitions,
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src=/usr/src/linux-2.6.22-suspend2/drivers, 119M in 5900 files,
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avg 21KB/file, archive=/tmp/tcp.tar, extract to /tmp/tcptmp
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program operation real user system %CPU speed
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bsdtar create 1.329 0.192 1.132 99.63 89784 KB/s
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gnutar create 1.223 0.124 1.092 99.46 97566 KB/s
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star create 1.848 0.036 1.708 94.36 61372 KB/s
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bsdtar list 0.167 0.060 0.108 100.00 679137 KB/s
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gnutar list 0.161 0.040 0.124 100.00 704447 KB/s
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star list 0.859 0.044 0.716 88.51 132032 KB/s
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bsdtar extract 1.186 0.172 1.012 99.87 95629 KB/s
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gnutar extract 1.064 0.056 1.004 99.63 106593 KB/s
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star extract 1.920 0.088 1.724 94.40 59070 KB/s
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bsdtar compare 0.002 0.000 0.000 0.00 56708000 KB/s
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gnutar compare 0.925 0.232 0.692 99.90 122611 KB/s
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star compare 1.569 0.376 1.096 93.79 72285 KB/s
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[...]
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best time of 3 repetitions,
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src=/home/jasiu, 2.1G in 8416 files, avg 277KB/file,
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archive=/home/j2/tcp.tar, extract to /mnt/a/tar/tcptmp
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program operation real user system %CPU speed
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bsdtar create 182.171 1.692 29.130 16.91 11584 KB/s
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gnutar create 174.999 0.632 27.450 16.04 12059 KB/s
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star create 180.004 0.360 41.795 23.41 11677 KB/s
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bsdtar list 0.214 0.076 0.136 99.04 9822294 KB/s
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gnutar list 0.210 0.076 0.136 100.00 10009385 KB/s
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star list 43.462 0.148 18.109 42.00 48363 KB/s
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bsdtar extract 94.912 4.476 31.574 37.98 22146 KB/s
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gnutar extract 94.657 0.396 29.462 31.54 22206 KB/s
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star extract 100.814 0.400 39.906 39.98 20849 KB/s
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bsdtar compare 0.003 0.000 0.004 100.00 700657000 KB/s
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gnutar compare 80.174 3.932 20.365 30.30 26217 KB/s
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star compare 73.911 8.341 27.670 48.72 28439 KB/s
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=============================================================
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Note by Tim Kientzle: The "bsdtar compare" results here are
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invalid since bsdtar does not support that operation.
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For the list numbers, note that libarchive automatically optimizes
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list operations on uncompressed tar archives on disk by using lseek()
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to skip over the bodies of entries. GNU tar added an option to
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provide the same feature.
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The biggest problem with these tests is that they only
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cover uncompressed archives stored on disk. The results for
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compressed archives and/or archives stored on tape are
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likely quite different.
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110
dependencies/libarchive-3.4.2/contrib/psota-benchmark/tcp.sh
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Executable file
110
dependencies/libarchive-3.4.2/contrib/psota-benchmark/tcp.sh
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#!/bin/sh
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# tar comparison program
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# 2007-10-25 Jan Psota
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n=3 # number of repetitions
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TAR="bsdtar gnutar star" # Tape archivers to compare
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OPT=("" "--seek" "-no-fsync")
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pax="--format=pax" # comment out for defaults
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OPN=(create list extract compare) # operations
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version="2007-10-25"
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TIMEFORMAT=$'%R\t%U\t%S\t%P'
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LC_ALL=C
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test $# -ge 2 || {
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echo -e "usage:\t$0 source_dir where_to_place_archive
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[where_to_extract_it]
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TCP, version $version
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TCP stands for Tar Comparison Program here.
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It currently compares: BSD tar (bsdtar), GNU tar (gnutar) and star in archive
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creation, listing, extraction and archive-to-extracted comparison.
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Tcp prints out best time of n=$n repetitions.
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Tcp creates temporary archive named tcp.tar with $pax and some native
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(--seek/-no-fsync) options and extracts it to [\$3]/tcptmp/.
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If unset, third argument defaults to [\$2].
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After normal exit tcp removes tarball and extracted files.
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Tcp does not check filesystems destination directories are on for free space,
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so make sure there is enough space (a bit more than source_dir uses) for both:
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archive and extracted files.
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Do not use white space in arguments.
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Jan Psota, $version"
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exit 0
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}
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src=$1
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dst=$2/tcp.tar
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dst_path=${3:-$2}/tcptmp
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test -e $dst -o -e /tmp/tcp \
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&& { echo "$dst or /tmp/tcp exists, exiting"; exit 1; }
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mkdir $dst_path || exit 2
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use_times ()
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{
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awk -F"\t" -vN=$n -vL="`du -k $dst`" -vOFS="\t" -vORS="" '
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{ if (NF==4) { printf "\t%s\t%10.1d KB/s\n", $0, ($1+0>0 ?
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(L+0)/($1+0) : 0) } }' \
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/tmp/tcp | sort | head -1
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> /tmp/tcp
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}
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test -d $src || { echo "'$src' is not a directory"; exit 3; }
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# system information: type, release, memory, cpu(s), compiler and flags
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echo -e "TCP, version $version\n"`uname -sr`" / "`head -1 /etc/*-release`
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free -m | awk '/^Mem/ { printf "%dMB of memory, ", $2 }'
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test -e /proc/cpuinfo \
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&& awk -F: '/name|cache size|MHz|mips/ { if (!a) b=b $2 }
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/^$/ { a++ } END { print a" x"b" bmips" }' /proc/cpuinfo
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test -e /etc/gentoo-release \
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&& gcc --version | head -1 && grep ^CFLAGS /etc/make.conf
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# tar versions
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t=
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echo
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for tar in $TAR; do
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if which $tar &> /dev/null; then
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t="$t $tar";
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echo -ne "$tar:\t"; $tar --version | head -1;
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fi
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done
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TAR="$t"
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echo -e "\nbest time of $n repetitions,\n"\
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" src=$src, "\
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`du -sh $src | awk '{print $1}'`" in "`find $src | wc -l`" files, "\
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"avg "$((`du -sk $src | awk '{print $1}'`/`find $src -type f | wc -l`))"KB/file,\n"\
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" archive=$dst, extract to $dst_path"
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echo -e "program\toperation\treal\tuser\tsystem\t%CPU\t speed"
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> /tmp/tcp
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let op_num=0
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for op in "cf $dst $pax -C $src ." "tf $dst" "xf $dst -C $dst_path" \
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"f $dst -C $dst_path --diff"; do
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let tar_num=0
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for tar in $TAR; do
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echo -en "$tar\t${OPN[op_num]}\t"
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for ((i=1; i<=$n; i++)); do
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echo $op | grep -q ^cf && rm -f $dst
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echo $op | grep -q ^xf &&
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{ chmod -R u+w $dst_path
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rm -rf $dst_path; mkdir $dst_path; }
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sync
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if echo $op | grep -q ^f; then # op == compare
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time $tar $op ${OPT[$tar_num]} > /dev/null
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else # op in (create | list | extract)
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time $tar $op ${OPT[$tar_num]} > /dev/null \
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|| break 3
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fi 2>> /tmp/tcp
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done
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use_times
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let tar_num++
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done
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let op_num++
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echo
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done
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rm -rf $dst_path $dst
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echo
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cat /tmp/tcp
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rm -f /tmp/tcp
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