LZ4 decompression at CTFE

Stefan Koch via Digitalmars-d-announce digitalmars-d-announce at puremagic.com
Thu Apr 28 03:54:12 PDT 2016


On Thursday, 28 April 2016 at 06:03:46 UTC, Marco Leise wrote:
>
> There exist some comparisons for the C++ implementations
> (zlib's DEFLATE being a variation of lz77):
> http://catchchallenger.first-world.info//wiki/Quick_Benchmark:_Gzip_vs_Bzip2_vs_LZMA_vs_XZ_vs_LZ4_vs_LZO
> https://pdfs.semanticscholar.org/9b69/86f2fff8db7e080ef8b02aa19f3941a61a91.pdf (pg.9)
>
> The high compression variant of lz4 basically like gzip with 9x 
> faster decompression. That makes it well suited for use cases 
> where you compress once, decompress often and I/O sequential 
> reads are fast e.g. 200 MB/s or the program does other 
> computations meanwhile and one doesn't want decompression to 
> use a lot of CPU time.

Thanks for the 2. link you posted.
This made me aware of a few things I were not aware of before.



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