On Tue, Jul 22, 2008 at 03:07:06PM +0000, Niels Nes wrote:
Update of /cvsroot/monetdb/MonetDB/src/gdk In directory sc8-pr-cvs16.sourceforge.net:/tmp/cvs-serv22418
Modified Files: gdk_system.mx gdk_utils.mx Log Message: Switching from GDKcores to GDKnr_threads. As MTcheck_nr_cores() is to expensive on startup, so only use it when GDKnr_threads == 0. GDKnr_threads is set via the environment variable 'gdk_nr_threads'.
U gdk_utils.mx Index: gdk_utils.mx =================================================================== RCS file: /cvsroot/monetdb/MonetDB/src/gdk/gdk_utils.mx,v retrieving revision 1.211 retrieving revision 1.212 diff -u -d -r1.211 -r1.212 --- gdk_utils.mx 19 Jul 2008 08:16:33 -0000 1.211 +++ gdk_utils.mx 22 Jul 2008 15:07:01 -0000 1.212 @@ -177,6 +177,21 @@ }
@h +gdk_export int GDKgetenv_int(const char *name, int def);
+@c +int +GDKgetenv_int(const char *name, int def) +{
- char *val = GDKgetenv(name);
- if (val) {
int d = strtod(val, NULL);
^^^ ^ Niels,
should this be "atoi()" instead of "strtod()"?
The Microsoft compiler on Windows (IMHO correctly) warns about: ".......\src\gdk\gdk_utils.mx(189) : warning C4244: 'initializing' : conversion from 'double' to 'int', possible loss of data"
Stefan
return d;- }
- return def;
+} +@h gdk_export void GDKsetenv(str name, str value);
@c @@ -1553,7 +1568,9 @@ MT_create_thread(&t, GDKvmtrim, &GDK_mem_maxsize); } #endif
- GDKcores = MT_check_nr_cores();
- GDKnr_threads = GDKgetenv_int("gdk_nr_threads", 0);
- if (GDKnr_threads == 0)
GDKnr_threads = MT_check_nr_cores();}
@@ -1563,11 +1580,11 @@ The buffer pool manager takes care of this. @h gdk_export int GDKstopped; -gdk_export int GDKcores; +gdk_export int GDKnr_threads;
@c int GDKstopped = 1; -int GDKcores = 1; +int GDKnr_threads = 0;
@h gdk_export void GDKexit(int status);
U gdk_system.mx Index: gdk_system.mx =================================================================== RCS file: /cvsroot/monetdb/MonetDB/src/gdk/gdk_system.mx,v retrieving revision 1.111 retrieving revision 1.112 diff -u -d -r1.111 -r1.112 --- gdk_system.mx 19 Jul 2008 08:16:33 -0000 1.111 +++ gdk_system.mx 22 Jul 2008 15:07:01 -0000 1.112 @@ -521,7 +521,7 @@ }
#define SMP_TOLERANCE 0.40 -#define SMP_ROUNDS 1024*1024*16 +#define SMP_ROUNDS 1024*1024*128
static void smp_thread(void *data)
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