Re: Prioritizing non-dependent targets in parallel make

[Eric Melski]

Eric Melski wrote:

> ElectricAccelerator doesn't factor runtimes into scheduling decisions, 
> although we have talked about doing so in the past.  I spent some time 
> investigating the possibility, most recently a couple years ago.  ...
> I ran the simulation on a variety of real-world builds.
>
> ...
>
> I'll see if I can dig up the patch for ElectricInsight and maybe write 
> it up in a blog. up that code, and maybe write it up in a blog.

Ugh, it took me a lot longer to put this together than I expected, but 
if anybody is still interested, I did finally do a write-up on the 
subject of a longest-job-first scheduler for make and why it doesn't 
work in practice:

http://blog.melski.net/2010/08/23/faster-builds-through-smarter-scheduling-longest-job-first/

Best regards,

Eric Melski
http://blog.melski.net/