fzy

commit 7985d8942ec7fa699335381c097c084cfa17e371
parent 0788d9bae552fe42da1da87f401cc94722c62f43
Author: John Hawthorn <john.hawthorn@gmail.com>
Date:   Wed, 22 Jun 2016 21:43:48 -0700

Use number of processors as worker count

Since we're dividing the search set equally between processors, we want
to run with the same number of workers that we have CPU execution
threads. This avoids having a worker which is starved until the end of
execution.

Diffstat:
M
src/choices.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/src/choices.c b/src/choices.c
@@ -2,6 +2,7 @@
 #include <stdio.h>
 #include <string.h>
 #include <pthread.h>
+#include <unistd.h>
 
 #include "choices.h"
 #include "match.h"
@@ -104,7 +105,7 @@ void choices_init(choices_t *c) {
 	c->capacity = c->size = 0;
 	choices_resize(c, INITIAL_CHOICE_CAPACITY);
 
-	c->worker_count = 8;
+	c->worker_count = (int)sysconf(_SC_NPROCESSORS_ONLN);
 
 	choices_reset_search(c);
 }