[GIT PULL] Update LZO compression
jgarzik at pobox.com
Thu Aug 16 12:48:49 EDT 2012
On 08/16/2012 12:20 PM, Andi Kleen wrote:
>> If you think a little bit, I bet you could come up with a solution that
>> operates at cacheline-aligned granularity, something that would be _even
>> faster_ than simply fixing the code to do aligned accesses.
> Cache aligned compression is unlikely to compress anything at all.
> Compression algorithms are usually by definition unaligned.
Sure it's a bitstream, but that does not imply the impossibility of
reading data in in an word-aligned manner.
Maybe cache-aligned is ambitious, because of resultant code bloat, but
machine-int-aligned is doable and reasonable.
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