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50 Commits

Author SHA1 Message Date
Jon Masamitsu
d9b7798319 6862534: -XX:NewRatio completely ignored when combined with -XX:+UseConcMarkSweepG 
Use NewRatio if it is explicitly set.

Reviewed-by: ysr, jcoomes
 2009-08-02 18:44:36 -07:00
Y. Srinivas Ramakrishna
075c1335cb 6700789: G1: Enable use of compressed oops with G1 heaps 
Modifications to G1 so as to allow the use of compressed oops.

Reviewed-by: apetrusenko, coleenp, jmasa, kvn, never, phh, tonyp
 2009-07-14 15:40:39 -07:00
John Cuthbertson
55750920b4 6490395: G1: Tidy up command line flags 
Change G1 flag names to be more consistent and disable some in 'product' mode.

Reviewed-by: tonyp, iveresov
 2009-04-30 15:07:53 -07:00
John R Rose
34c1d72421 6655646: dynamic languages need dynamically linked call sites 
Invokedynamic instruction (JSR 292 RI)

Reviewed-by: twisti, never
 2009-04-21 23:21:04 -07:00
Tom Rodriguez
62717f091a Merge 2009-04-14 12:25:54 -07:00
John R Rose
ce0c084720 6655638: dynamic languages need method handles 
Initial implementation, with known omissions (x86/64, sparc, compiler optim., c-oops, C++ interp.)

Reviewed-by: kvn, twisti, never
 2009-04-08 10:56:49 -07:00
Y. Srinivas Ramakrishna
e1b2c1c442 Merge 2009-04-03 15:59:19 -07:00
Karen Kinnear
d4f2196cd0 Merge 2009-04-02 18:17:03 -04:00
Paul Hohensee
4be7c3c672 6819213: revive sun.boot.library.path 
Support multiplex and mutable sun.boot.library.path

Reviewed-by: acorn, dcubed, xlu
 2009-04-01 16:38:01 -04:00
Changpeng Fang
c0d62ad9e6 6761600: Use sse 4.2 in intrinsics 
Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals.

Reviewed-by: kvn, never, jrose
 2009-03-31 14:07:08 -07:00
Vladimir Kozlov
41463d1d3a Merge 2009-03-19 09:13:24 -07:00
Vladimir Kozlov
69f9ddee90 6791178: Specialize for zero as the compressed oop vm heap base 
Use zero based compressed oops if java heap is below 32gb and unscaled compressed oops if java heap is below 4gb.

Reviewed-by: never, twisti, jcoomes, coleenp
 2009-03-12 10:37:46 -07:00
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