Re: [Intel-gfx] Limit busywaiting

2015-11-19 Thread Jens Axboe
On 11/18/2015 02:56 AM, Chris Wilson wrote: This should filter out all explicit wait requests from userspace and only apply busywaiting to circumstances where we are forced to drain the GPU of old requests. With the 2 microsecond timeout from before, this still seems to preserve the speed up in s

[Intel-gfx] Limit busywaiting

2015-11-18 Thread Chris Wilson
This should filter out all explicit wait requests from userspace and only apply busywaiting to circumstances where we are forced to drain the GPU of old requests. With the 2 microsecond timeout from before, this still seems to preserve the speed up in stress tests and cancel the busywaiting for des