[PATCH] glamor: Set environment variable RADEON_THREAD=0
greg at chown.ath.cx
Wed Jul 30 11:27:47 PDT 2014
On 30.07.2014 09:33, Michel Dänzer wrote:
> + /* This prevents the Gallium radeon winsys from spawning
> + * a separate thread for submitting command streams to
> + * the kernel. Imrpoves scores of at least gtkperf and
> + * x11perf -putimage/-shmput/-getimage/-shmget, probably
> + * because glamor causes too many command stream flushes
> + * / too much synchronization with pending command
> + * streams for the separate thread to pay off.
> + */
> + setenv("RADEON_THREAD", "0", 0);
How much difference does it actually make? This kind of gives me the
impression that the winsys threading may need some optimizations.
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