- 02 Apr, 2012 1 commit
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erik.corry@gmail.com authored
http://codereview.chromium.org/9179012 was trying to achieve. This time I am going for 80% of the benefit with around 5% of the complexity. It works by reducing the size of the first page in each space. Unlike the previous change there is no attempt to grow pages, we just allocate more full-sized pages when we need more memory. For this reason the first pages are not quite as small (compare http://codereview.chromium.org/9179012/diff/1/src/snapshot.h with the changes in spaces.cc in this cl): We want to be able to do a little bit of allocation before we have to add a full-sized page to the space. Review URL: https://chromiumcodereview.appspot.com/9950048 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@11203 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 23 Feb, 2012 1 commit
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vegorov@chromium.org authored
Split executable memory chunks into two pieces: header with all metadata (protection: RW) and body (protection: RWX). Separate header from metadata with a guard page and add a guard page after the page body. R=erik.corry@gmail.com BUG=http://crbug.com/115151 Review URL: https://chromiumcodereview.appspot.com/9452002 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10809 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 31 Jan, 2012 2 commits
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erik.corry@gmail.com authored
on Windows. Review URL: https://chromiumcodereview.appspot.com/9104039 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10569 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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erik.corry@gmail.com authored
This is a recommit of https://chromiumcodereview.appspot.com/9289047 with changes noted in comments in the codereview tool. Review URL: https://chromiumcodereview.appspot.com/9233050 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10562 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 30 Jan, 2012 2 commits
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erik.corry@gmail.com authored
issues on 64 bit. Review URL: https://chromiumcodereview.appspot.com/9295047 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10544 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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erik.corry@gmail.com authored
This is a recommit of http://codereview.chromium.org/9179012 after fixing what turned out to be unrelated out-of-memory errors. That was a rebase of http://codereview.chromium.org/9017009/ Review URL: https://chromiumcodereview.appspot.com/9289047 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10542 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 17 Jan, 2012 2 commits
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erik.corry@gmail.com authored
test failures. Review URL: http://codereview.chromium.org/9178014 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10417 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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erik.corry@gmail.com authored
Reduce signal sender thread stack size to 32k. Commit partial old-space pages to reduce minimum memory use. This is a rebase of http://codereview.chromium.org/9017009/ Review URL: http://codereview.chromium.org/9179012 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10413 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 13 Jan, 2012 1 commit
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erik.corry@gmail.com authored
Review URL: http://codereview.chromium.org/9139051 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@10399 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 19 Sep, 2011 1 commit
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vegorov@chromium.org authored
Review URL: http://codereview.chromium.org/7945009 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@9328 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 04 Aug, 2011 1 commit
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vitalyr@chromium.org authored
R=vegorov@chromium.org BUG=http://b/issue?id=5095592 Review URL: http://codereview.chromium.org/7572018 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@8833 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 18 Mar, 2011 3 commits
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vitalyr@chromium.org authored
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7271 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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vitalyr@chromium.org authored
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7269 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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vitalyr@chromium.org authored
Review URL: http://codereview.chromium.org/6685088 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@7268 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 07 Dec, 2010 3 commits
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kasperl@chromium.org authored
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5922 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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kasperl@chromium.org authored
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5921 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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kasperl@chromium.org authored
git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5920 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 10 Nov, 2010 1 commit
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ager@chromium.org authored
Add 128MB limit for executable pages. BUG=http://code.google.com/p/v8/issues/detail?id=925 TEST=None. TBR=jschuh@chromium.org Review URL: http://codereview.chromium.org/4634003 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5799 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 25 Oct, 2010 1 commit
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erik.corry@gmail.com authored
Review URL: http://codereview.chromium.org/3970005 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5698 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 30 Sep, 2010 1 commit
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erik.corry@gmail.com authored
This one has been approved by the 64 bit compiler in MSVC 2005 so I hope it also passes the 2008 version. The --max-new-space-size option is now in kBytes. The --max-old-space-size option is now in MBytes. Some issues remain with 64 bit heaps and the counters. See http://code.google.com/p/v8/issues/detail?id=887 Review URL: http://codereview.chromium.org/3573005 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@5559 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 27 May, 2010 1 commit
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vegorov@chromium.org authored
Reapply r4715 with fixes reviewed in http://codereview.chromium.org/2276002. Review URL: http://codereview.chromium.org/2255004 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4743 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 26 May, 2010 1 commit
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vegorov@chromium.org authored
TBR=ager@chromium.org Review URL: http://codereview.chromium.org/2274001 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4723 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 25 May, 2010 1 commit
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vegorov@chromium.org authored
- New сardmarking write barrier handles large objects and normal objects in a similar fashion (no more additional space for pointer tracking is required, no conditional branches in WB code). - Changes to enable oldspaces iteration without maps decoding: -- layout change for FixedArrays: length is stored as a smis (initial patch by Kevin Millikin) -- layout change for SharedFunctionInfo: integer fields are stored as smi on arm, ia32 and rearranged on x64. -- layout change for String: meaning of LSB bit is fliped (1 now means hash not computed); on x64 padding is added. -- layout of maps is _not_ changed. Map space is currently iterated in a special way. Review URL: http://codereview.chromium.org/2144006 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4715 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 21 May, 2010 2 commits
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vegorov@chromium.org authored
TBR=ager@chromium.org Review URL: http://codereview.chromium.org/2073018 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4704 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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vegorov@chromium.org authored
Reapplication of r4685 (reviewed http://codereview.chromium.org/2101002) with minor modifications: - Fix compilation problems on Win64. - Improve heap verification pass: search for garbage pointers to new space not only in dirty regions but in all regions. Review URL: http://codereview.chromium.org/2114015 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4703 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 20 May, 2010 2 commits
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vegorov@chromium.org authored
TBR=ager@chromium.org Review URL: http://codereview.chromium.org/2071020 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4688 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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vegorov@chromium.org authored
-- layout change for FixedArrays: length is stored as a smis (initial patch by Kevin Millikin) -- layout change for SharedFunctionInfo: integer fields are stored as smi on arm, ia32 and rearranged on x64. -- layout change for String: meaning of LSB bit is fliped (1 now means hash not computed); on x64 padding is added. -- layout of maps is _not_ changed. Map space is currently iterated in a special way. - Cardmarking write barrier. New barrier handles large objects and normal objects in a similar fashion (no more additional space for pointer tracking is required, no conditional branches in WB code). Review URL: http://codereview.chromium.org/2101002 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4685 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 22 Apr, 2010 1 commit
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vegorov@chromium.org authored
instead of adding them to the free list. Review URL: http://codereview.chromium.org/1683001 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@4475 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 21 Oct, 2009 1 commit
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ager@chromium.org authored
when using snapshots. The alignment of new space has to match the alignment in the snapshot, but the max committed amount of memory does not. For now, we assume that the default semispace size is always used in a snapshot. Review URL: http://codereview.chromium.org/300036 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@3106 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 29 Oct, 2008 1 commit
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kmillikin@chromium.org authored
size of the entire old generation, the heap must be (more) properly set up to test the large object space. Review URL: http://codereview.chromium.org/8872 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@634 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 17 Oct, 2008 1 commit
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bak@chromium.org authored
part of NewSpace and made NewSpace statically allocated. - Eliminated indirection in MigrateObject. Review URL: http://codereview.chromium.org/7619 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@517 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 09 Sep, 2008 1 commit
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christian.plesner.hansen@gmail.com authored
Added presubmit step to check copyright. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@242 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 05 Sep, 2008 1 commit
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erik.corry@gmail.com authored
* Make old_data_space non-executable on OSs and hardware that support it. * Rename old_space to old_pointer_space (can contain pointers, esp. to new space). * Ensure that individual pages allocated for old_space are only executable when they are for code objects. * Ensure Space::Setup can cope with non-aligned memory. * Make some methods on Spaces virtual. Make a way to iterate over all spaces. * Replace executability flag with Executability enum in order to make intent at call site clearer. * Fix serialization/deserialization to allocate write barrier memory for large arrays. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@165 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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- 22 Aug, 2008 1 commit
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christian.plesner.hansen authored
In the shell sample don't print the result of executing a script, only evaluating expressions. Fixed issue when building samples on Windows using a shared V8 library. Added visibility option on Linux build which makes the generated library 18% smaller. Changed build system to accept multiple build modes in one build and generate seperate objects, libraries and executables for each mode. Removed deferred negation optimization (a * -b => -(a * b)) since this visibly changes operand conversion order. Improved parsing performance by introducing stack guard in preparsing. Without a stack guard preparsing always bails out with stack overflow. git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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