Re: [PATCH i-g-t] benchmarks/wsim: Simulate and interpret .wsim

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Quoting Tvrtko Ursulin (2018-05-11 09:31:52)
> 
> On 11/05/2018 08:11, Chris Wilson wrote:
> > A little tool I've been meaning to write for a while... Convert the
> > .wsim into their dag and find the longest chains and evaluate them on an
> > simulated machine.
> 
> Very cool!
> 
> But I think you need to handle the 's' command which appears in the 
> interesting workloads. Maybe you could just fake it as a zero duration 
> batch with a data dependency.

Barriers were even more trivial than that. :)
 
> Fence related commands would also be useful but more difficult I guess. 
> As would throttling.

I haven't groked your fence command lines so skipped them. Fortunately,
syncs appears to be the only one missed from the "interesting" set of
wsim.

> Delays could maybe be faked as batches as well by adding input 
> dependency to everything preceding it.

It would definitely want to be a task with say .engine = -1. It implies
a full barrier as well? Not limited to waiting for an earlier step?
-Chris
_______________________________________________
Intel-gfx mailing list
Intel-gfx@xxxxxxxxxxxxxxxxxxxxx
https://lists.freedesktop.org/mailman/listinfo/intel-gfx




[Index of Archives]     [Linux USB Devel]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]

  Powered by Linux