[freenet-cvs] r12284 - trunk/freenet/src/freenet/client

[nextg...@freenetproject.org]

Author: nextgens
Date: 2007-03-23 17:52:54 +0000 (Fri, 23 Mar 2007)
New Revision: 12284

Modified:
   trunk/freenet/src/freenet/client/StandardOnionFECCodec.java
Log:
Update PARALLEL_DECODES according to the number of available processors.

Modified: trunk/freenet/src/freenet/client/StandardOnionFECCodec.java
===================================================================
--- trunk/freenet/src/freenet/client/StandardOnionFECCodec.java 2007-03-23 
15:35:28 UTC (rev 12283)
+++ trunk/freenet/src/freenet/client/StandardOnionFECCodec.java 2007-03-23 
17:52:54 UTC (rev 12284)
@@ -79,9 +79,16 @@
        private static int MAX_CACHED_CODECS = 8;
        // REDFLAG: Optimal stripe size? Smaller => less memory usage, but more 
JNI overhead
        private static int STRIPE_SIZE = 4096;
-       // REDFLAG: Make this configurable, maybe make it depend on # CPUs
-       private static int PARALLEL_DECODES = 1;
+       private static int PARALLEL_DECODES;

+       static {
+               int nbAvailableProcessors = 
Runtime.getRuntime().availableProcessors();
+               if(nbAvailableProcessors > 1)
+                       PARALLEL_DECODES = nbAvailableProcessors - 1;
+               else
+                       PARALLEL_DECODES = 1;
+       }
+       
        private static class MyKey {
                /** Number of input blocks */
                int k;