[fpc-pascal] Compilation speed on Apple M1

Florian Klämpfl florian at freepascal.org
Sat Nov 21 17:23:50 CET 2020


Am 21.11.20 um 17:07 schrieb Ryan Joseph via fpc-pascal:
> 
> 
>> On Nov 21, 2020, at 6:15 AM, Florian Klämpfl via fpc-pascal <fpc-pascal at lists.freepascal.org> wrote:
>>
>> Large parts of FPC are memory throughput limited so I suspect the M1 is not that much better in this regard, not to mention that most likely the AAarch code generator is worse than the x86 one. x86 received a lot of work in this field.
> 
> What does that mean exactly to be "memory throughput limited"? What part of the compilation process does this affect exactly?
> 

All. FPC typically uses several ten MBs and accesses it rather randomly.


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