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Re: When substitute download + decompression is CPU-bound


From: Guillaume Le Vaillant
Subject: Re: When substitute download + decompression is CPU-bound
Date: Thu, 07 Jan 2021 12:33:10 +0100
User-agent: mu4e 1.4.13; emacs 27.1

Pierre Neidhardt <mail@ambrevar.xyz> skribis:

> Wow, impressive! :)
>
> Guillaume Le Vaillant <glv@posteo.net> writes:
>
>> Note that the plots only show the results using only 1 thread and
>
> Doesn't 1 thread defeat the purpose of parallel compression / decompression?
>

It was just to get a better idea of the relative compression and
decompression speeds of the algorithms. When using n threads, if the
file is big enough, the speeds are almost multiplied by n and the
compression ratio is a little lower.

>> Machine used for the tests:
>>  - CPU: Intel i7-3630QM
>>  - RAM: 16 MiB
>
> I suppose you meant 16 GiB ;)

Yes, of course :)

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