The speed of the compiler, was: Re: Combine four insns

Diego Novillo dnovillo@google.com
Mon Aug 9 18:23:00 GMT 2010


On 10-08-09 13:19 , Joseph S. Myers wrote:
> On Mon, 9 Aug 2010, Diego Novillo wrote:
>
>> Additionally, the very worst offender in terms of compile time is -g. The size
>> of debugging information is such, that I/O and communication times increase
>> significantly.
>
> If communication between the compiler and assembler is an important part
> of the cost there, it's possible that a binary interface between them as
> suggested by Ian at<http://www.airs.com/blog/archives/268>  would help.

Well, builds are already done in tmpfs, and we have not found assembly 
times to show up on the radar.  But as other pieces of the toolchain 
speed up, perhaps they will start being noticed.


Diego.



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