Need a Faster Compressor

Walter Bright via Digitalmars-d digitalmars-d at puremagic.com
Sun May 22 12:17:02 PDT 2016


On 5/22/2016 5:50 AM, deadalnix wrote:
> On Sunday, 22 May 2016 at 01:36:39 UTC, Walter Bright wrote:
>> Just a note: large lookup tables can have cold cache performance problems.
>
> 16k lookup table are the gold standard.
>

I like 64 bit vectors because the lookup and test can be done in one 
instruction, and the vector cached in a register!


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