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91bab5588c
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Simon Zünd 91bab5588c [array] Use random middle element to determine pivot during sorting 
This CL adds a "random state" to the Smi Root list and implements a
basic Linear congruential pseudo random number generator in Torque.

The RNG is used to determine the pivot element for sorting. This will
prevent the worst cases for certain data layouts.

Drive-by-fix: Make sorting of ranges and execution pauses for profviz
deterministic by adding a secondary sorting criteria.

Bug: v8:7382
Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng
Change-Id: Ieb871e98e74bdb803f821b0cd35d2f67ee0f2868
Reviewed-on: https://chromium-review.googlesource.com/1082193
Reviewed-by: Hannes Payer <hpayer@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Commit-Queue: Simon Zünd <szuend@google.com>
Cr-Commit-Position: refs/heads/master@{#53524}
2018-06-05 14:11:37 +00:00
..
blink_tests [Interpreter] Remove failure expectation for observer-expectations blink test. 2016-06-27 16:10:20 +00:00
cfi [CFI] Expand blacklisted entries 2018-04-11 09:00:31 +00:00
clusterfuzz [foozzie] Make correctness runs deterministic 2018-04-06 12:16:36 +00:00
dev [tools] Update gm.py to re-run mksnapshot in gdb 2018-05-21 11:15:39 +00:00
gcmole [torque] refactor BUILD.gn to list torque sources in one place 2018-05-08 12:48:49 +00:00
generate_shim_headers Add dependency to ICU 4.6 2013-07-01 08:32:41 +00:00
heap-stats [heap-stats] Compute average percentage of ptr compression memory savings. 2018-05-23 12:10:22 +00:00
ignition [Interpreter] Replace --ignition flag with a --stress-fullcodegen 2017-07-13 13:05:00 +00:00
jsfunfuzz Reland "[build] Remove legacy isolate configurations" 2018-03-28 12:36:55 +00:00
link_clicker.extension [tools] Add link_click chrome extension 2017-05-09 15:25:21 +00:00
mb Generalize default Win10 dimensions. 2018-04-09 18:53:52 +00:00
memory [build] Fix win-asan compilation 2017-10-16 08:37:15 +00:00
msan [gn] Add missing dep and blacklist for msan 2016-07-29 09:01:24 +00:00
ninja [ycm] The YouCompleteMe configuration is not VIM specific. 2015-02-12 07:21:13 +00:00
node build_gn.py: Forward BUNDLED_WIN_TOOLCHAIN_ROOT 2018-04-25 16:13:13 +00:00
perf [tools] Refactor patch/no-patch terminology in run_perf.py 2017-11-22 07:19:50 +00:00
profview [profview] Use identity operator 2017-11-08 09:11:33 +00:00
profviz [array] Use random middle element to determine pivot during sorting 2018-06-05 14:11:37 +00:00
release [tools] Use TBR by default for uploaded branch CLs 2018-05-22 16:11:52 +00:00
sanitizers Revert "[heap] Add TSAN suppression for lock-order inversion in Scavenger" 2017-10-25 10:18:49 +00:00
sodium Add tool to visualize machine code/lithium. 2013-10-21 13:35:48 +00:00
testrunner [test] Enable loading suites from non-default test root 2018-06-05 07:06:08 +00:00
toolchain [build] Add support for the other MIPS architectures 2018-03-19 10:43:07 +00:00
torque [torque] Remove try/catch (only support try/label) 2018-06-04 19:55:02 +00:00
turbolizer [turbolizer] Convert Turbolizer to TypeScript 2018-05-29 10:07:41 +00:00
ubsan [build] Fix ubsan compilation 2017-07-19 14:08:39 +00:00
unittests [test] Abort testing immediately on interrupt and sigterm 2018-02-20 18:02:25 +00:00
v8.xcodeproj Add support for building Xcode project files from GYP files 2011-06-09 09:07:17 +00:00
valgrind/asan [build] Add testrunner data deps 2018-03-26 12:17:08 +00:00
vim [ycm] The YouCompleteMe configuration is not VIM specific. 2015-02-12 07:21:13 +00:00
visual_studio Remove the Visual Studio project files 2011-05-02 13:43:13 +00:00
wasm [wasm] Update spec tests 2018-01-25 09:28:58 +00:00
adb-d8.py [tools] Various small adb-d8.py enhancements 2017-08-24 14:20:55 +00:00
android-build.sh Rewrite Makefile rules for Android to allow parallel execution 2012-07-27 11:14:44 +00:00
android-ll-prof.sh Change default ARCH version in android low-level profiler script to 4.6 2012-10-08 11:11:30 +00:00
android-run.py Bug fix: android-run.py 2016-07-18 09:45:23 +00:00
android-sync.sh [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00
arguments.js [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00
bash-completion.sh [tools] Fix tools/bash-completion.sh for bool flags and harmony features 2015-12-10 10:01:39 +00:00
bigint-tester.py [bigint] Remove BigInt.parseInt 2018-01-26 02:51:58 +00:00
BUILD.gn Reland "[build] Remove legacy isolate configurations" 2018-03-28 12:36:55 +00:00
callstats.html [tools] Update tools/callstats.* with the new background GC group. 2017-12-04 15:46:28 +00:00
callstats.py [tools] Update tools/callstats.* with the new background GC group. 2017-12-04 15:46:28 +00:00
check-inline-includes.sh [iwyu] Extend inline include checking to tests. 2017-09-08 09:31:32 +00:00
check-static-initializers.sh Reland^3 r22105 "Remove static initializer from isolate" 2014-07-07 10:56:36 +00:00
check-unused-bailouts.sh [tools] Speed-up check-unused-bailouts.sh 2017-08-02 11:11:19 +00:00
codemap.js [prof] Attribute ticks in embedded builtins correctly 2018-04-23 10:18:26 +00:00
collect_deprecation_stats.sh [objects] Deprecate GetIsolate/Heap behind a flag 2018-06-01 15:19:21 +00:00
compare-table-gen.js Add more exhaustive tests for Math.min and Math.max. 2015-04-10 12:35:16 +00:00
concatenate-files.py Fix common misspellings 2017-08-02 09:35:28 +00:00
consarray.js Make sure files end with exactly one new line and police this in presubmit. 2013-11-22 13:50:39 +00:00
cpu.sh [tools] Allow specifying cores for cpu.sh script. 2015-11-18 10:53:30 +00:00
cross_build_gcc.sh Fix tools/cross_build_gcc.sh. 2014-02-20 16:37:40 +00:00
csvparser.js [log] Escape newline with \n 2017-11-03 16:41:39 +00:00
DEPS Add DEPS files and run checkdeps in presubmit check 2014-06-03 13:39:42 +00:00
detect-builtins.js [tools] Fix detect-builtins.js 2016-06-09 10:17:32 +00:00
disasm.py [grokdump] Include -z flag to make objdump disassemble all-zero sections 2017-04-21 13:35:37 +00:00
draw_instruction_graph.sh Rename A64 port to ARM64 port 2014-03-21 09:28:26 +00:00
dump-cpp.py [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00
dumpcpp-driver.js [prof] Add slide offset in dumpcpp script 2016-05-30 08:56:59 +00:00
dumpcpp.js [prof] Add slide offset in dumpcpp script 2016-05-30 08:56:59 +00:00
eval_gc_nvp.py [tools] Compute percentiles for GC NVP 2016-04-08 12:05:59 +00:00
eval_gc_time.sh [Heap] Remove code flushing. 2017-05-22 09:34:43 +00:00
find_depot_tools.py Prototype for a client-side performance trybot script. 2014-11-18 14:40:00 +00:00
find-commit-for-patch.py Add tools/find-commit-for-patch.py 2014-12-16 14:25:00 +00:00
freebsd-tick-processor * Fix build errors on FreeBSD 8.2 2011-03-16 11:15:43 +00:00
fuzz-harness.sh [compiler] Make --debug-code the default in debug builds. 2016-12-02 11:36:55 +00:00
gc_nvp_common.py Clean up mark-compact phases and GC counter names. 2015-12-11 11:26:21 +00:00
gc-nvp-to-csv.py [tools] Add gc-nvp-to-csv.py script. 2015-06-19 10:40:47 +00:00
gc-nvp-trace-processor.py [tools] Add gc-nvp-to-csv.py script. 2015-06-19 10:40:47 +00:00
gdb-v8-support.py [tools] Add redirect gdb helper 2017-11-24 16:55:16 +00:00
gdbinit Fix jlh gdb macro. 2017-12-06 19:42:23 +00:00
gen-inlining-tests.py [turbofan] Remove --turbo shorthand for --turbo-filter. 2017-06-23 11:19:19 +00:00
gen-postmortem-metadata.py [sfi] Compress function arg counts to 16 bit 2018-05-30 16:35:50 +00:00
generate-builtins-tests.py Add a script that can generate simple test cases for user-exposed JS builtins 2014-09-11 09:58:58 +00:00
generate-ten-powers.scm Fast double-to-ascii conversion. 2010-03-11 14:49:35 +00:00
get_landmines.py [build] Prepare removal of gyp-defines from landmine 2018-02-16 23:28:14 +00:00
grokdump.py [tools] Make grokdump.py bind to localhost only. 2018-04-18 13:13:05 +00:00
ic-explorer.html [tools] Fix IC-Explorer drilldown and format file 2017-10-30 11:17:43 +00:00
ic-processor [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00
ic-processor-driver.js [tools] Fix IC-Explorer drilldown and format file 2017-10-30 11:17:43 +00:00
ic-processor.js [ic] Introduce new IC for storing into array literals. 2018-03-02 21:12:57 +00:00
js2c.py Remove initial whitespace & empty lines to decrease JS files size 2017-12-19 00:04:19 +00:00
jsmin.py jsmin.py: Fix issue with escaping of back ticks 2015-06-24 22:29:46 +00:00
linux-tick-processor [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00
ll_prof.py Fix annotated disassembly in ll_prof.py 2016-04-06 12:38:44 +00:00
lldb_commands.py [tools] add lldbinit 2017-03-27 06:44:15 +00:00
lldbinit [debugging] Add helper to print transition trees 2017-07-06 10:44:01 +00:00
logreader.js [tools/logreader] Print overflow drops to stderr 2017-03-17 13:42:14 +00:00
mac-nm [profiler] Graphical front-end for tick processor. 2017-03-04 13:04:58 +00:00
mac-tick-processor Implement shared libraries logging on Mac OS X, added required support in Tick Processor. 2009-07-14 05:01:06 +00:00
Makefile.tags [Makefile] Move tags generation to standalone Makefile 2018-01-26 12:03:32 +00:00
map-processor [tools] All new shiny maptracer.html 2017-12-18 12:48:00 +00:00
map-processor-driver.js [tools] All new shiny maptracer.html 2017-12-18 12:48:00 +00:00
map-processor.html [tools] All new shiny maptracer.html 2017-12-18 12:48:00 +00:00
map-processor.js [tools] All new shiny maptracer.html 2017-12-18 12:48:00 +00:00
mips_toolchain.tar.gz.sha1 [build] Enable downloading mips toolchain via runhooks 2018-01-31 14:38:43 +00:00
objdump-v8 [disasm] Make jump target printing perf friendly 2017-03-20 14:47:04 +00:00
OWNERS Add initial set of sub directory OWNERS file 2015-04-02 08:46:24 +00:00
parse-processor [tools] New parse processor tool 2017-12-20 13:07:17 +00:00
parse-processor-driver.js [tools] New parse processor tool 2017-12-20 13:07:17 +00:00
parse-processor.html [tools] New parse processor tool 2017-12-20 13:07:17 +00:00
parse-processor.js [tools] New parse processor tool 2017-12-20 13:07:17 +00:00
perf-compare.py Reland "Reland "[test] Creating command before execution phase."" 2017-12-04 13:40:29 +00:00
perf-to-html.py Reland "Reland "[test] Creating command before execution phase."" 2017-12-04 13:40:29 +00:00
plot-timer-events [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00
predictable_wrapper.py [test] Increase timeout for tests run by predictable_wrapper.py. 2018-03-14 09:09:22 +00:00
presubmit.py Torque: Implement a DSL for CSA 2018-04-16 12:23:55 +00:00
profile_view.js Tick processor: improved [Summary] section 2014-08-04 08:31:49 +00:00
profile.js [profiler] Add script name to v8.log with --log-source-code. 2017-08-10 04:43:43 +00:00
run_perf.py Reland "[tools] Add benchmark owners to the config" 2018-05-16 13:53:49 +00:00
run-llprof.sh Fix tools/run-llprof.sh to work with newer perf. 2014-10-09 06:01:41 +00:00
run-num-fuzzer.py [test] Implement gc fuzzer with test processors 2018-01-19 16:58:49 +00:00
run-perf.sh [tools] run-perf: ensure command line arguments are prepended 2016-10-05 15:15:38 +00:00
run-tests.py TestRunner initial refactor 2017-10-13 08:52:28 +00:00
run.py First cut at run_mksnapshot action for gn 2014-06-03 06:50:46 +00:00
shell-utils.h [presubmit] Enable readability/namespace linter checking. 2015-09-30 13:47:11 +00:00
SourceMap.js Add source map support to tick processor. 2013-08-23 17:20:54 +00:00
splaytree.js Remove support for logging into a memory buffer. 2011-07-13 11:31:22 +00:00
stats-viewer.py Fix common misspellings 2017-08-02 09:35:28 +00:00
tick-processor.html [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00
tickprocessor-driver.js [tools] Add options to separate more entries in tickprocessor 2017-04-11 10:23:02 +00:00
tickprocessor.js [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00
trace-maps-processor.py Add FLAG_trace_maps 2014-11-07 16:03:44 +00:00
try_perf.py [infra] Add web-tooling-benchmark to tools/try_perf.py 2018-05-17 13:56:42 +00:00
turbolizer-perf.py [turbolizer] Fixed naming of turbolizer perf script. 2016-07-28 12:38:00 +00:00
v8heapconst.py Reland "[csa] Ensure the requested allocation size fits in a Smi" 2018-06-05 08:50:38 +00:00
whitespace.txt Whitespace change to test infrastructure 2018-05-03 17:29:42 +00:00
windows-tick-processor.bat [tools] Move common arguments processing into separate file 2017-10-24 00:25:04 +00:00