Created
September 2, 2011 05:20
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Compress::LZW VS Compress::LZF VS Compress::LZO VS Compress::Zlib(memGzip) VS Compress::Snappy
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use common::sense; | |
use Benchmark qw(timethese cmpthese); | |
use List::Util qw/max/; | |
use Compress::LZO (); | |
use Compress::LZF (); | |
use Compress::LZW (); | |
use Compress::Zlib (); | |
use Compress::Snappy (); | |
my $data = 'data' x 10000; | |
my %algorithm = ( | |
lzf => +{ | |
compress => \&Compress::LZF::compress, | |
decompress => \&Compress::LZF::decompress, | |
}, | |
lzo => +{ | |
compress => \&Compress::LZO::compress, | |
decompress => \&Compress::LZO::decompress, | |
}, | |
lzw => +{ | |
compress => \&Compress::LZW::compress, | |
decompress => \&Compress::LZW::decompress, | |
}, | |
gzip => +{ | |
compress => \&Compress::Zlib::memGzip, | |
decompress => \&Compress::Zlib::memGunzip, | |
}, | |
snappy => +{ | |
compress => \&Compress::Snappy::compress, | |
decompress => \&Compress::Snappy::decompress, | |
}, | |
); | |
my $name_maxlength = max map { length($_) } keys %algorithm; | |
my $sizetext_length = length(length($data)); | |
{# compress test | |
use Test::More; | |
plan tests => scalar(keys %algorithm); | |
foreach my $name (keys %algorithm) { | |
is $algorithm{$name}->{decompress}->($algorithm{$name}->{compress}->($data)), $data, sprintf("\%${name_maxlength}s compress/decompress", $name); | |
} | |
} | |
{# compress size | |
my %compressed_size; | |
foreach my $name (keys %algorithm) { | |
$compressed_size{$name} = length($algorithm{$name}->{compress}->($data)); | |
} | |
say sprintf("\%${name_maxlength}s size = \%${sizetext_length}d(%6.2f%%)", 'raw', length($data), 100 * length($data)/length($data)); | |
foreach my $name (sort { $compressed_size{$b} <=> $compressed_size{$a} } keys %compressed_size) { | |
say sprintf("\%${name_maxlength}s size = \%${sizetext_length}d(%6.2f%%)", $name, $compressed_size{$name}, 100 * $compressed_size{$name}/length($data)); | |
} | |
} | |
{# compress speed | |
my %bench_code; | |
foreach my $name (keys %algorithm) { | |
$bench_code{$name} = sub { | |
my $comp = $algorithm{$name}->{compress}->($data); | |
my $decomp = $algorithm{$name}->{decompress}->($comp); | |
die('unmutch!') unless($data eq $decomp); | |
}; | |
} | |
cmpthese timethese(10000, \%bench_code); | |
} | |
__END__ | |
% perl compress_bench.pl | |
1..5 | |
ok 1 - snappy compress/decompress | |
ok 2 - lzo compress/decompress | |
ok 3 - gzip compress/decompress | |
ok 4 - lzw compress/decompress | |
ok 5 - lzf compress/decompress | |
raw size = 40000(100.00%) | |
snappy size = 1888( 4.72%) | |
lzw size = 1128( 2.82%) | |
lzf size = 468( 1.17%) | |
lzo size = 177( 0.44%) | |
gzip size = 78( 0.20%) | |
Benchmark: timing 10000 iterations of gzip, lzf, lzo, lzw, snappy... | |
gzip: 21 wallclock secs (19.03 usr + 0.02 sys = 19.05 CPU) @ 524.81/s (n=10000) | |
lzf: 2 wallclock secs ( 2.09 usr + 0.00 sys = 2.09 CPU) @ 4776.12/s (n=10000) | |
lzo: 3 wallclock secs ( 1.95 usr + 0.00 sys = 1.95 CPU) @ 5140.56/s (n=10000) | |
lzw: 460 wallclock secs (414.45 usr + 0.02 sys = 414.47 CPU) @ 24.13/s (n=10000) | |
snappy: 1 wallclock secs ( 1.01 usr + 0.00 sys = 1.01 CPU) @ 9922.48/s (n=10000) | |
Rate lzw gzip lzf lzo snappy | |
lzw 24.1/s -- -95% -99% -100% -100% | |
gzip 525/s 2075% -- -89% -90% -95% | |
lzf 4776/s 19696% 810% -- -7% -52% | |
lzo 5141/s 21206% 880% 8% -- -48% | |
snappy 9922/s 41026% 1791% 108% 93% -- |
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