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31 Commits

Author SHA1 Message Date
Ioi Lam
ae4cc4b56a 8152380: Shared symbol table should never use alternate hashcode 
Reviewed-by: coleenp, jiangli
 2016-03-23 09:00:22 -07:00
Coleen Phillimore
f93feda308 8145940: TempNewSymbol should have correct copy and assignment functions 
Add clear() to the assignment operator and add copy constructor.

Reviewed-by: mgronlun, lfoltan, kbarrett, jrose
 2016-01-14 15:45:31 -05:00
Bengt Rutisson
8af1d18e78 8143255: Remove debug logging from SymbolTable::unlink() and SymbolTable::possibly_parallel_unlink() 
Reviewed-by: coleenp, tschatzl
 2015-11-19 16:14:45 +01:00
Nils Eliasson
3307d0f163 Merge 2015-11-06 11:34:03 +01:00
Tobias Hartmann
7af927f9c1 8141132: JEP 254: Compact Strings 
Adopt a more space-efficient internal representation for strings.

Co-authored-by: Brent Christian <brent.christian@oracle.com>
Co-authored-by: Vivek Deshpande <vivek.r.deshpande@intel.com>
Co-authored-by: Charlie Hunt <charlie.hunt@oracle.com>
Co-authored-by: Vladimir Kozlov <vladimir.kozlov@oracle.com>
Co-authored-by: Roger Riggs <roger.riggs@oracle.com>
Co-authored-by: Xueming Shen <xueming.shen@oracle.com>
Co-authored-by: Aleksey Shipilev <aleksey.shipilev@oracle.com>
Co-authored-by: Sandhya Viswanathan <sandhya.viswanathan@intel.com>
Reviewed-by: alanb, bdelsart, coleenp, iklam, jiangli, jrose, kevinw, naoto, pliden, roland, smarks, twisti
 2015-11-03 09:41:03 +01:00
Coleen Phillimore
f1e89ea4cc 8140274: methodHandles and constantPoolHandles should be passed as const references 
Modified code to use const reference parameters

Reviewed-by: sspitsyn, twisti
 2015-10-23 16:48:38 -04:00
Jiangli Zhou
b0ad035af4 8059510: Compact symbol table layout inside shared archive 
Use separate compact table for shared symbols.

Reviewed-by: iklam, gziemski, shade, sla, jrose
 2014-12-17 23:34:52 -05:00
Mikael Gerdin
6fc8764c65 8056084: Refactor Hashtable to allow implementations without rehashing support 
Reviewed-by: gziemski, jmasa, brutisso, coleenp, tschatzl
 2014-08-29 13:08:01 +02:00
Gerard Ziemski
ed9c096396 8038654: Separate SymbolTable and StringTable code 
Refactor stringTable class out of symbolTable, making sure all includes are minimal set and are sorted.

Reviewed-by: coleenp, stefank
 2014-05-07 14:16:45 -05:00
Thomas Schatzl
4bb3631855 8027476: Improve performance of Stringtable unlink 
8027455: Improve symbol table scan times during gc pauses

Parallelize string table and symbol table scan during remark and full GC. Some additional statistics output if the experimental flag G1TraceStringSymbolTableScrubbing is set.

Reviewed-by: mgerdin, coleenp, brutisso
 2014-01-20 11:47:07 +01:00
Kevin Walls
c3d0e64506 8019375: Internal symbol table size should be tunable 
Reviewed-by: coleenp, kamg
 2013-10-08 09:33:51 +01:00
Daniel D. Daugherty
41bce440a4 8019835: Strings interned in different threads equal but does not == 
Add -XX:+VerifyStringTableAtExit option and code to verify StringTable invariants.

Reviewed-by: rdurbin, sspitsyn, coleenp
 2013-09-18 07:02:10 -07:00
John Cuthbertson
5382e0759e 8015237: Parallelize string table scanning during strong root processing 
Parallelize the scanning of the intern string table by having each GC worker claim a given number of buckets. Changes were also reviewed by Per Liden <per.liden@oracle.com>.

Reviewed-by: tschatzl, stefank, twisti
 2013-06-18 12:31:07 -07:00
Stefan Karlsson
c13149ab8d 8015422: Large performance hit when the StringTable is walked twice in Parallel Scavenge 
Combine the calls to StringTable::unlink and StringTable::oops_do in Parallel Scavenge.

Reviewed-by: pliden, coleenp
 2013-05-27 12:58:42 +02:00
Leonid Mesnik
a4300aa98b 8009763: Add WB test for String.intern() 
Add convenience method in StringTable, add WhiteBox method and simple sanity test

Reviewed-by: mgerdin, zgu
 2013-04-02 11:28:33 +02:00
Harold Seigel
a28380d97e 7122219: Passed StringTableSize value not verified 
Check that the values specified for -XX:StringTableSize are within a certain range.

Reviewed-by: dholmes, coleenp
 2012-11-12 15:58:11 -05:00
Jon Masamitsu
5c58d27aac 6964458: Reimplement class meta-data storage to use native memory 
Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes

Co-authored-by: Stefan Karlsson <stefan.karlsson@oracle.com>
Co-authored-by: Mikael Gerdin <mikael.gerdin@oracle.com>
Co-authored-by: Tom Rodriguez <tom.rodriguez@oracle.com>
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
 2012-09-01 13:25:18 -04:00
Christian Thalinger
12901d0e5b 7023639: JSR 292 method handle invocation needs a fast path for compiled code 
6984705: JSR 292 method handle creation should not go through JNI

Remove assembly code for JDK 7 chained method handles

Co-authored-by: John Rose <john.r.rose@oracle.com>
Co-authored-by: Michael Haupt <michael.haupt@oracle.com>
Reviewed-by: jrose, twisti, kvn, mhaupt
 2012-07-24 10:51:00 -07:00
Coleen Phillimore
559278381b 7181200: JVM new hashing code breaks SA in product mode 
Made new_hash() overloaded rather than a virtual function so SA code doesn't need to be changed.

Reviewed-by: kvn, acorn, dholmes, fparain
 2012-07-04 15:55:45 -04:00
Zhengyu Gu
a39b17624a 6995781: Native Memory Tracking (Phase 1) 
7151532: DCmd for hotspot native memory tracking

Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd

Reviewed-by: acorn, coleenp, fparain
 2012-06-28 17:03:16 -04:00
Coleen Phillimore
dc5fe663cb 7178670: runtime/7158800/BadUtf8.java fails in SymbolTable::rehash_table 
Cannot delete _buckets and HashtableEntries in shared space (CDS)

Reviewed-by: acorn, kvn, dlong, dcubed, kamg
 2012-06-25 21:33:35 -04:00
Coleen Phillimore
55b09e7016 7158800: Improve storage of symbol tables 
Use an alternate version of hashing algorithm for symbol string tables and after a certain bucket size to improve performance

Reviewed-by: pbk, kamg, dlong, kvn, fparain
 2012-06-13 19:52:59 -04:00
Coleen Phillimore
1431a5efd1 7150058: Allocate symbols from null boot loader to an arena for NMT 
Move symbol allocation to an arena so NMT doesn't have to track them at startup.

Reviewed-by: never, kamg, zgu
 2012-03-23 11:16:05 -04:00
Markus Gronlund
007126d010 7115199: Add event tracing hooks and Java Flight Recorder infrastructure 
Added a nop tracing infrastructure, JFR makefile changes and other infrastructure used only by JFR.

Reviewed-by: acorn, sspitsyn
 2012-01-11 17:34:02 -05:00
Tom Rodriguez
036560e999 7032129: Native memory usage grow unexpectedly for vm/oom/*InternedString tests 
Reviewed-by: kvn, kamg, jcoomes
 2011-03-31 14:00:41 -07:00
John Coomes
1ed31f9194 6962930: make the string table size configurable 
Reviewed-by: never, phh, stefank, kamg, dholmes, coleenp
 2011-03-21 18:38:00 -07:00
Coleen Phillimore
7b4f8073f0 6990754: Use native memory and reference counting to implement SymbolTable 
Move symbols from permgen into C heap and reference count them

Reviewed-by: never, acorn, jmasa, stefank
 2011-01-27 16:11:27 -08:00
Stefan Karlsson
8006fe8f75 6989984: Use standard include model for Hospot 
Replaced MakeDeps and the includeDB files with more standardized solutions.

Reviewed-by: coleenp, kvn, kamg
 2010-11-23 13:22:55 -08:00
Erik Trimble
ba7c173659 6941466: Oracle rebranding changes for Hotspot repositories 
Change all the Sun copyrights to Oracle copyright

Reviewed-by: ohair
 2010-05-27 19:08:38 -07:00
John R Rose
cfb08c72ba 6814659: separable cleanups and subroutines for 6655638 
Preparatory but separable changes for method handles

Reviewed-by: kvn, never
 2009-03-20 23:19:36 -07:00
J. Duke
8153779ad3 Initial load 2007-12-01 00:00:00 +00:00