tschatzl [Mon, 17 Mar 2014 10:13:18 +0100] rev 23453
8027295: Free CSet takes ~50% of young pause time
Summary: Improve fast card cache iteration and avoid taking locks when freeing the collection set.
Reviewed-by: brutisso
tschatzl [Mon, 17 Mar 2014 10:12:47 +0100] rev 23452
8035815: Cache-align and pad the from card cache
Summary: The from card cache is a very frequently accessed data structure. It is essentially a 2d array of per-region values, one row of values for every GC thread. Pad and align the data structure to avoid false sharing.
Reviewed-by: stefank
tschatzl [Mon, 17 Mar 2014 10:12:21 +0100] rev 23451
8035406: Improve data structure for Code Cache remembered sets
Summary: Change the code cache remembered sets data structure from a GrowableArray to a chunked list of nmethods. This makes the data structure more amenable to parallelization, and decreases freeing time.
Reviewed-by: mgerdin, brutisso
brutisso [Fri, 14 Mar 2014 10:15:46 +0100] rev 23450
8034079: G1: Refactor the HeapRegionSet hierarchy
Reviewed-by: tschatzl, pliden
dcubed [Wed, 19 Mar 2014 07:08:11 -0700] rev 23449
Merge
coleenp [Tue, 18 Mar 2014 13:45:27 -0400] rev 23448
8036630: Null ProtectionDomain in JVM can cause NPE because principals field is not initialized to an empty array
Summary: Call ProtectionDomain constructor instead of making all fields null.
Reviewed-by: fparain, zgu