[Vm-dev] Issue 99 in cog: Link LZ4 Compression

Camillo Bruni camillobruni at gmail.com
Sat Oct 13 14:56:32 UTC 2012

>>> The larger the VM binary is, the slower it will be on today's CPUs.
>> how come?
> It's because of the cache hierarchy. You don't have control over what will be where in a binary, or what sizes and levels of cache a CPU has. The smaller the binary is, the higher the chance that the part of the VM which needs to be used right now is in the CPU cache. I wrote about this a few years ago. I found that building all non-essential plugins as external gives ~4-5% better performance (using the Interpreter).

sounds interesting, you have a link on that?

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