[fpc-devel] FPC/Lazarus Rebuild performance

Adem listmember at letterboxes.org
Sun Sep 12 18:59:56 CEST 2010

  On 9/12/2010 12:41 PM, Jonas Maebe wrote:
>> In discussions with Hans, it is said that I/O is not a factor, since after
>> one run everything is cached anyway, and then in this thread I/O is to blame
>> for a huge difference in speed.
> Disk throughput doesn't really matter. Reading directory contents, getting file information and opening/closing files is another matter.
My exeperience seems to confirm this.

I ran the same tests with Lazarus install on a NAS.

As the connection was 2xGigabit (port-trunked), read/write speeds were 
higher than my local HHD.

Yet, rebuild times doubled.

It seems latency plays a more significant role than thoughput.

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