Mesa (lp-binning): llvmpipe: Use number of CPUs as default number of threads.
Jose Fonseca
jrfonseca at kemper.freedesktop.org
Tue Dec 8 08:02:59 UTC 2009
Module: Mesa
Branch: lp-binning
Commit: 7f457acabcbeea6a27b4f375f55e318fff52445f
URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=7f457acabcbeea6a27b4f375f55e318fff52445f
Author: José Fonseca <jfonseca at vmware.com>
Date: Tue Dec 8 08:02:49 2009 +0000
llvmpipe: Use number of CPUs as default number of threads.
Also bump MAX_THREADS to 8.
---
src/gallium/drivers/llvmpipe/lp_rast.c | 4 +++-
src/gallium/drivers/llvmpipe/lp_rast_priv.h | 2 +-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/src/gallium/drivers/llvmpipe/lp_rast.c b/src/gallium/drivers/llvmpipe/lp_rast.c
index 01685b7..7cd046c 100644
--- a/src/gallium/drivers/llvmpipe/lp_rast.c
+++ b/src/gallium/drivers/llvmpipe/lp_rast.c
@@ -27,6 +27,7 @@
#include "util/u_memory.h"
#include "util/u_math.h"
+#include "util/u_cpu_detect.h"
#include "lp_debug.h"
#include "lp_state.h"
@@ -639,7 +640,8 @@ create_rast_threads(struct lp_rasterizer *rast)
{
unsigned i;
- rast->num_threads = debug_get_num_option("LP_NUM_THREADS", MAX_THREADS);
+ rast->num_threads = util_cpu_caps.nr_cpus;
+ rast->num_threads = debug_get_num_option("LP_NUM_THREADS", rast->num_threads);
rast->num_threads = MIN2(rast->num_threads, MAX_THREADS);
/* NOTE: if num_threads is zero, we won't use any threads */
diff --git a/src/gallium/drivers/llvmpipe/lp_rast_priv.h b/src/gallium/drivers/llvmpipe/lp_rast_priv.h
index 62f3c87..5502419 100644
--- a/src/gallium/drivers/llvmpipe/lp_rast_priv.h
+++ b/src/gallium/drivers/llvmpipe/lp_rast_priv.h
@@ -32,7 +32,7 @@
#include "lp_rast.h"
-#define MAX_THREADS 4 /* XXX probably temporary here */
+#define MAX_THREADS 8 /* XXX probably temporary here */
struct pipe_transfer;
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