压缩算法总结

2020-12-14

字数统计: 349字 | 阅读时长≈ 2分钟

压缩算法总结

经常记不住性能特点，数据来源https://linuxreviews.org/Comparison_of_Compression_Algorithms

algorithm	time	size	binary	parameters	info
algorithm	time	size	binary	parameters	info
none	0m0.934s	939M	just tar	cf	tar itself is an archiving tool, you do not need to compress the archives
gzip	0m23.502s	177M	gzip	cfz
gzip	0m3.132s	177M	pigz	c -Ipigz -f	pigz 2.4
bzip2	1m0.798s	134M	bzip2	cfj	Standard bzip2 will only use one core (at 100%)
bzip2	0m9.091s	135M	pbzip2	c -Ipbzip2 -f	Parallel bzip2. RAM usage topped out at about 900 MiB RAM.
lz4	0m3.914s	287M	lz4	c -I”lz4” -f	Really fast but the resulting archive is barely compressed. Worst compression king.
lz4	0m56.506s	207M	lz4	c -I”lz4 -12” -f	Supports levels -[1-12].Uses 1 core, does not appear to be any multi-threaded variant(?)
lzip	4m42.017s	116M	lzip	c –lzip -f	v1.21. Standard lzip will only use one core (at 100%). Very slow.
lzip	0m42.542s	118M	plzip	c -Iplzip -f	plzip 1.8 (Parallel lzip), default level -6
lzip	1m39.697s	110M	plzip	c -I”plzip -9” -f	Parallel lzip at best compression -9. plzip process used 5.1 GiB RAM at its maximum.
xz	5m2.952s	114M	xz	cfJ	Standard xz will only use one core (at 100%). Unbearably slow.
xz	0m53.569s	115M	pxz	c -Ipxz -f	Parallel PXZ 4.999.9beta. Process used 1.4 GiB RAM at its maximum.
xz	1m33.441s	110M	pxz	c -I”pxz -9” -f	Parallel PXZ 4.999.9beta using its best possible compression. pxz process topped out at 3.5 GiB resident.
zstd	0m3.034s	167M	zstd	c –zstd -f	zstd uses 1 core if it is no told otherwise with -T# where # is a thread number and 0 means all cores (not all threads)
zstd	1m18.238s	117M	zstd	c -I”zstd -19 -T0” -f	-19 gives the best possible compression, -T0 utilizes all cores.

PK

压缩体积
压缩
解压缩

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