diff options
| author | Marek Olšák <marek.olsak@amd.com> | 2017-05-27 12:13:34 +0200 |
|---|---|---|
| committer | Marek Olšák <marek.olsak@amd.com> | 2017-06-07 18:43:42 +0200 |
| commit | 6f2947fa79f9480934b17cc913a8bcdfbe9ffe45 (patch) | |
| tree | 40d56df94c73bd0abb6d7bcd8e52ee08175e8270 /src | |
| parent | 38bd468a78b149c2cb1d105715231e7241d1dc5c (diff) | |
radeonsi: decrease the number of compiler threads to num CPUs - 1
Reserve one core for other things (like draw calls).
Reviewed-by: Nicolai Hähnle <nicolai.haehnle@amd.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gallium/drivers/radeonsi/si_pipe.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c index bbb5ea660d6..0c2f6b37dba 100644 --- a/src/gallium/drivers/radeonsi/si_pipe.c +++ b/src/gallium/drivers/radeonsi/si_pipe.c @@ -882,8 +882,11 @@ struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws) return NULL; } - /* Only enable as many threads as we have target machines and CPUs. */ + /* Only enable as many threads as we have target machines, but at most + * the number of CPUs - 1 if there is more than one. + */ num_cpus = sysconf(_SC_NPROCESSORS_ONLN); + num_cpus = MAX2(1, num_cpus - 1); num_compiler_threads = MIN2(num_cpus, ARRAY_SIZE(sscreen->tm)); if (!util_queue_init(&sscreen->shader_compiler_queue, "si_shader", |