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488 Commits

Author SHA1 Message Date
Xiomara Jayasena
2be2e027b0 6814575: Update copyright year 
Update copyright for files that have been modified in 2009, up to 03/09

Reviewed-by: katleman, tbell, ohair
 2009-03-09 13:28:46 -07:00
Y. Srinivas Ramakrishna
ce3f3161da 6824570: ParNew: Fix memory leak introduced in 6819891 
Allocate worker-local overflow stacks, introduced in 6819891, along with ParNewGeneration, rather than with the per-scavenge ParScanThreadState.

Reviewed-by: jmasa
 2009-04-02 15:57:41 -07:00
Vladimir Kozlov
681eb89b31 Merge 2009-02-17 14:30:24 -08:00
Vladimir Kozlov
72b75d1adf 6788376: allow to ignore unrecognized VM options 
Add new product flag -XX:+IgnoreUnrecognizedVMOptions

Reviewed-by: ysr, xlu
 2009-02-05 13:38:52 -08:00
Paul Hohensee
73aaa40e09 6792705: Add JAR file to bootclasspath when using AggressiveOpts 
During argument processing, add alt-rt.jar to the bootclasspath between bootclasspath/p and default elements.

Reviewed-by: xlu, coleenp
 2009-01-21 11:14:19 -05:00
Xiaobin Lu
f05b009ce8 6781583: Hotspot build fails on linux 64 bit platform with gcc 4.3.2 
Fixed the wrong cast between types since more restrictions are imposed by gcc 4.3.2

Reviewed-by: jcoomes, acorn, phh, never
 2008-12-24 19:13:53 -08:00
Swamy Venkataramanappa
06e37c03fb 6653214: MemoryPoolMXBean.setUsageThreshold() does not support large heap sizes 
Reviewed-by: ysr, mchung
 2008-12-15 13:58:57 -08:00
John Coomes
8fc946854c 6765954: par compact - stress mode for splitting young gen spaces 
Reviewed-by: jmasa
 2008-12-11 12:05:21 -08:00
Xiaobin Lu
85138023c1 6554406: Change switch UseVMInterruptibleIO default to false (sol) 
The default value of UseVMInterruptibleIO is changed to false for JDK 7, but the default isn't changed for JDK 6 and earlier.

Reviewed-by: never, acorn, dholmes, kamg, alanb
 2008-11-22 00:16:09 -08:00
Vladimir Kozlov
7aae40a95f 6462850: generate biased locking code in C2 ideal graph 
Inline biased locking code in C2 ideal graph during macro nodes expansion

Reviewed-by: never
 2008-11-07 09:29:38 -08:00
Tom Rodriguez
8537533873 6649622: HotSpot Biased locking needs tuning on latest CPUs 
Reviewed-by: rasbold, kvn, kamg
 2008-10-28 18:02:09 -07:00
Andrey Petrusenko
1d67e1d25c Merge 2008-09-17 19:59:35 +04:00
Coleen Phillimore
83e7d32161 6741004: UseLargePages + UseCompressedOops breaks implicit null checking guard page 
Turn off c2 implicit null checking on windows and large pages specified.

Reviewed-by: jrose, xlu
 2008-09-02 15:18:26 -04:00
Antonios Printezis
615777b6da Merge 2008-08-21 23:36:31 -04:00
Erik Trimble
8242ae771a Merge 2008-08-10 21:31:42 -07:00
Vladimir Kozlov
73379adb82 Merge 2008-07-31 13:42:21 -07:00
Vladimir Kozlov
6ff4206fe4 Merge 2008-07-30 09:54:21 -07:00
Vladimir Kozlov
50c4a23cac 6726999: nsk/stress/jck12a/jck12a010 assert(n != null,"Bad immediate dominator info.") 
Escape Analysis fixes.

Reviewed-by: never, rasbold
 2008-07-28 17:12:52 -07:00
Keith McGuigan
74faacc945 6721093: -XX:AppendRatio=N not supported 
Add mechanism to ignore unsupported flags for a set period of time

Reviewed-by: acorn, never, coleenp
 2008-07-28 14:07:44 -04:00
Erik Trimble
632c83fb46 6732819: Turn off compressed oops by default for now 
Workaround for CompOops bug

Reviewed-by: coleenp
 2008-08-01 18:51:27 -07:00
Coleen Phillimore
20dba03e99 6716785: implicit null checks not triggering with CompressedOops 
Allocate alignment-sized page(s) below java heap so that memory accesses at heap_base+1page give signal and cause an implicit null check

Reviewed-by: kvn, jmasa, phh, jcoomes
 2008-07-19 17:38:22 -04:00
Xiomara Jayasena
c96a95c4b8 6719955: Update copyright year 
Update copyright year for files that have been modified in 2008

Reviewed-by: ohair, tbell
 2008-07-02 12:55:16 -07:00
Y. Srinivas Ramakrishna
ac061d0424 Merge 2008-06-12 13:50:55 -07:00
Coleen Phillimore
a2d6036a4d 6687581: Make CMS work with compressed oops 
Make FreeChunk read markword instead of LSB in _klass pointer to indicate that it's a FreeChunk for compressed oops.

Reviewed-by: ysr, jmasa
 2008-06-09 11:51:19 -04:00
Chuck Rasbold
4cce21039e 6711701: disable compressed oops by default 
Comment out code that turns on compressed oops

Reviewed-by: never, phh
 2008-06-06 11:47:26 -07:00
Y. Srinivas Ramakrishna
18f3386a98 6711316: Open source the Garbage-First garbage collector 
First mercurial integration of the code for the Garbage-First garbage collector.

Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr
 2008-06-05 15:57:56 -07:00
Chuck Rasbold
2e672ac9bf 6695049: (coll) Create an x86 intrinsic for Arrays.equals 
Intrinsify java/util/Arrays.equals(char[], char[])

Reviewed-by: kvn, never
 2008-05-29 16:22:09 -07:00
Coleen Phillimore
aee4bafd9b 6689523: max heap calculation for compressed oops is off by MaxPermSize 
Need to subtract MaxPermSize from the total heap size when determining whether compressed oops is turned on.

Reviewed-by: jmasa, jcoomes, kvn
 2008-04-29 19:31:29 -04:00
Coleen Phillimore
4a831d45f0 6420645: Create a vm that uses compressed oops for up to 32gb heapsizes 
Compressed oops in instances, arrays, and headers. Code contributors are coleenp, phh, never, swamyv

Reviewed-by: jmasa, kamg, acorn, tbell, kvn, rasbold
 2008-04-13 17:43:42 -04:00
Chuck Rasbold
446895de2d Merge 2008-03-21 08:32:17 -07:00
Keith McGuigan
c2c3f0fe72 Merge 2008-03-20 09:17:30 -05:00
Steve Bohne
bf559c6dce 6667833: Remove CacheTimeMillis 
Remove -XX:+CacheTimeMillis option and associated functionality

Reviewed-by: acorn, never
 2008-03-19 09:58:01 -04:00
Vladimir Kozlov
fc0117cb9a 6674588: (Escape Analysis) Improve Escape Analysis code 
Current EA code has several problems which have to be fixed.

Reviewed-by: jrose, sgoldman
 2008-03-14 15:26:33 -07:00
Chuck Rasbold
1931e94bad Merge 2008-03-13 05:40:44 -07:00
Jon Masamitsu
6c0c606249 6557851: CMS: ergonomics defaults are not set with FLAG_SET_ERGO 
Default values set by cms ergonomics are set with FLAG_SET_DEFAULT so down stream the values look like the default values and affect how later parameters are set.  Set these values with FLAG_SET_ERGO instead and adjust how later parameters are interpreted.

Reviewed-by: iveresov, apetrusenko, pbk, ysr
 2008-03-02 16:10:12 -08:00
Jon Masamitsu
63f1de52fc 6362677: Change parallel GC collector default number of parallel GC threads 
Use the same default number of GC threads as used by ParNewGC and ConcMarkSweepGC (i.e., the 5/8th rule).

Reviewed-by: ysr, tonyp
 2008-02-22 17:17:14 -08:00
Tom Rodriguez
10c473e425 6395208: Elide autoboxing for calls to HashMap.get(int) and HashMap.get(long) 
Reviewed-by: kvn, rasbold
 2007-12-05 09:01:00 -08:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00