This is a bit of a performance bottleneck currently and
we're planning on improving performance by adding caching.
These benchmarks will allow us to measure the improvements
Add benchmark tests for
String.prototype.localeCompare()
Date.prototype.toLocaleString()
Date.prototype.toLocaleDateString()
Date.prototype.toLocaleTimeString()
Number.prototype.toLocaleString()
Run with
python -u tools/run_perf.py --binary-override-path \
out/x64.release/d8 --filter "JSTests/Strings/StringLocaleCompare" \
test/js-perf-test/JSTests.json
python -u tools/run_perf.py --binary-override-path \
out/x64.release/d8 --filter "JSTests/Dates" \
test/js-perf-test/JSTests.json
python -u tools/run_perf.py --binary-override-path \
out/x64.release/d8 --filter "JSTests/Numbers" \
test/js-perf-test/JSTests.json
Before the landing of dffaff7769
git reset --hard 474a6d6364
got
StringLocaleCompare-Strings(Score): 13240000
toLocaleDateString-Dates(Score): 1877000
toLocaleString-Dates(Score): 1197000
toLocaleTimeString-Dates(Score): 2147000
toLocaleDateString-Dates(Score): 1908000
After the landing of dffaff7769
git reset --hard dffaff7769
got
StringLocaleCompare-Strings(Score): 97182
toLocaleDateString-Dates(Score): 10436
toLocaleString-Dates(Score): 10436
toLocaleTimeString-Dates(Score): 10669
toLocaleString-Numbers(Score): 2876
Bug: chromium:901748
Change-Id: Ibfea85fe668f1bfaacb2dfe08368cd920d2bbfc6
Reviewed-on: https://chromium-review.googlesource.com/c/1318099
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57323}
This makes clear that some benchmarks where Array.from is used to
clone the array are very fast because the array is COW, and the
added benchmarks for non-COW arrays are not as fast. COW-ness does
not affect benchmarks where Array.from is called with a callback
function.
Change-Id: Ie9dd5507df5dd7501ac955dba4d3682c4a54548e
Reviewed-on: https://chromium-review.googlesource.com/c/1314333
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Hai Dang <dhai@google.com>
Cr-Commit-Position: refs/heads/master@{#57208}
This patch adds a micro-benchmark comparing Array#indexOf,
Array#includes, and a roughly equivalent `for` loop.
The benchmark can be used to measure any Array#{indexOf,includes}
optimizations we implement in the future.
Test:
tools/run_perf.py --binary-override-path=out/x64.release/d8 \
--filter=JSTests/ArrayIndexOfIncludesPolymorphic \
--extra-flags=--trace-turbo test/js-perf-test/JSTests.json
Bug: v8:8388
Change-Id: I9150d3e56e9d4cb2ffe6baa50ee8cddf8df0ac74
Reviewed-on: https://chromium-review.googlesource.com/c/1307430
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57156}
This reverts commit 34625fdb5a.
Reason for revert: Test caused timeout, investigating.
Original change's description:
> [Builtins] Array.prototype.forEach perf regression on dictionaries.
>
> An unnecessary call to ToString() on the array index caused trips to
> the runtime. The fix also includes performance micro-benchmarks so
> we'll have a harder time regressing this case in future.
>
> Bug: v8:8112
> Change-Id: Iada5bd2e3c6d2246fb1225e7094f3d9c66ddafbd
> Reviewed-on: https://chromium-review.googlesource.com/1206355
> Commit-Queue: Michael Stanton <mvstanton@chromium.org>
> Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#55653}
TBR=mvstanton@chromium.org,tebbi@chromium.org
Change-Id: I21de9b9b33edf03f2173f579c4ba0fc3dfd8ff88
No-Presubmit: true
No-Tree-Checks: true
No-Try: true
Bug: v8:8112
Reviewed-on: https://chromium-review.googlesource.com/1209288
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Commit-Queue: Michael Stanton <mvstanton@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55681}
An unnecessary call to ToString() on the array index caused trips to
the runtime. The fix also includes performance micro-benchmarks so
we'll have a harder time regressing this case in future.
Bug: v8:8112
Change-Id: Iada5bd2e3c6d2246fb1225e7094f3d9c66ddafbd
Reviewed-on: https://chromium-review.googlesource.com/1206355
Commit-Queue: Michael Stanton <mvstanton@chromium.org>
Reviewed-by: Tobias Tebbi <tebbi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55653}
Cloning arrays with Array.prototype.map and for-of push is too slow
for large arrays.
Bug: chromium:878681
Change-Id: I70ba5faad9e19cdc5a39cc64fb1b4bcb3fd0bf48
Reviewed-on: https://chromium-review.googlesource.com/1195363
Commit-Queue: Hai Dang <dhai@google.com>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55496}
This fixes the wrong JSON data that was not updated by CL 1188572.
Change-Id: I8cf1a040fa7faa95b967f8dc995b8222304f5514
Reviewed-on: https://chromium-review.googlesource.com/1193244
Reviewed-by: Georg Neis <neis@chromium.org>
Commit-Queue: Hai Dang <dhai@google.com>
Cr-Commit-Position: refs/heads/master@{#55447}
This commit adds a single NumberToString test suite.
It recognizes the following revert by showing more than 100x improvement:
https://chromium-review.googlesource.com/c/v8/v8/+/1166783
Bug: chromium:865494
Change-Id: I93dab3f0b21e98565c76e65722e90a92adc41d72
Reviewed-on: https://chromium-review.googlesource.com/1181042
Commit-Queue: Maya Lekova <mslekova@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55219}
This CL fixes the copy-within JSTest benchmark so it works on Android.
R=machenbach@chromium.org
Change-Id: I63662f9ab00d0199614681a53118bc4079e697ff
Reviewed-on: https://chromium-review.googlesource.com/1168488
Reviewed-by: Michael Achenbach <machenbach@chromium.org>
Commit-Queue: Simon Zünd <szuend@google.com>
Cr-Commit-Position: refs/heads/master@{#55001}
This CL adds basic JS benchmarks for Array.p.copyWithin to get some
feedback for the upcoming Torque implementation.
R=jgruber@chromium.org
Bug: v8:7624
Change-Id: Ic193a2b576d5fb7ac9f39db0379cece9144f979f
Reviewed-on: https://chromium-review.googlesource.com/1167289
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Simon Zünd <szuend@google.com>
Cr-Commit-Position: refs/heads/master@{#54984}
This is a reland of 9eca23e9ed
Adds a deopt continuation, which fixes JavaScript stack traces
to contain the number constructor after inlining.
Original change's description:
> [turbofan] Inline Number constructor in certain cases
>
> This CL adds inlining for the Number constructor if new.target is not
> present. The lowering is BigInt compatible, i.e. it converts BigInts to
> numbers.
>
> Bug: v8:7904
> Change-Id: If03b9f872d82e50b6ded7709069181c33dc44e82
> Reviewed-on: https://chromium-review.googlesource.com/1118557
> Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
> Reviewed-by: Georg Neis <neis@chromium.org>
> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#54454}
Bug: v8:7904
Change-Id: Ic416e5ba81fa3a0f59ae4afa80df83c46a759487
Reviewed-on: https://chromium-review.googlesource.com/1146581
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54609}
This reverts commit 9eca23e9ed.
Reason for revert: Clusterfuzz correctness issue
Original change's description:
> [turbofan] Inline Number constructor in certain cases
>
> This CL adds inlining for the Number constructor if new.target is not
> present. The lowering is BigInt compatible, i.e. it converts BigInts to
> numbers.
>
> Bug: v8:7904
> Change-Id: If03b9f872d82e50b6ded7709069181c33dc44e82
> Reviewed-on: https://chromium-review.googlesource.com/1118557
> Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
> Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
> Reviewed-by: Georg Neis <neis@chromium.org>
> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#54454}
TBR=jarin@chromium.org,neis@chromium.org,sigurds@chromium.org,bmeurer@chromium.org
# Not skipping CQ checks because original CL landed > 1 day ago.
Bug: v8:7904
Change-Id: Ie5fa6c1262b8acc33edb672a0124f4458fcded86
Reviewed-on: https://chromium-review.googlesource.com/1142777
Reviewed-by: Sigurd Schneider <sigurds@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54544}
This CL adds inlining for the Number constructor if new.target is not
present. The lowering is BigInt compatible, i.e. it converts BigInts to
numbers.
Bug: v8:7904
Change-Id: If03b9f872d82e50b6ded7709069181c33dc44e82
Reviewed-on: https://chromium-review.googlesource.com/1118557
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#54454}
This CL correctly updates the JSTests.json file in test/mjsunit/
to reflect the new DataView Float32/64 performance tests from
commit e14699c520.
Change-Id: I9cbb05ac0cbd37f8d8a0bc66ebb59c1e05298776
Reviewed-on: https://chromium-review.googlesource.com/1128880
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Commit-Queue: Théotime Grohens <theotime@google.com>
Cr-Commit-Position: refs/heads/master@{#54323}
All other sorting benchmarks use arrays of roughly the same length.
This CL adds a set of benchmarks that sort arrays of various lengths.
Two data configurations are used for each length: Completely random
and already sorted.
R=jgruber@chromium.org
Bug: v8:7382
Change-Id: Ib80a3421a68029c8e4f823605bab7b2d7fe1ae34
Reviewed-on: https://chromium-review.googlesource.com/1109509
Commit-Queue: Simon Zünd <szuend@google.com>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53917}
This CL adds sorting of a randomized array to the PreSorted benchmark
to act as a baseline/reference point.
R=jgruber@chromium.org
Bug: v8:7382
Change-Id: I45b77a6584d5d9a4f14a807f3796af7197673eaa
Reviewed-on: https://chromium-review.googlesource.com/1109508
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Simon Zünd <szuend@google.com>
Cr-Commit-Position: refs/heads/master@{#53913}
The regression test 2185-2 measured the Array.p.sort time for various
pre-sorted data configurations. This CL adds the various data
configurations to the ArraySortPreSorted benchmark and removes the
regression test altogether.
R=cbruni@chromium.org, jgruber@chromium.org
Change-Id: I6e2eb235e4a7578f4a107229bfc6a9e89a3aa5e3
Reviewed-on: https://chromium-review.googlesource.com/1076188
Commit-Queue: Simon Zünd <szuend@google.com>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Camillo Bruni <cbruni@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53420}
This CL adds a benchmark where the array to sort undergoes
multiple element kind transitions before it is sorted.
R=jgruber@chromium.org
Bug: v8:7382
Change-Id: I5196a33139a5f3b833719c2a111dc9a521bdb37c
Reviewed-on: https://chromium-review.googlesource.com/1066012
Commit-Queue: Simon Zünd <szuend@google.com>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#53283}
and comparison with a JS implementation using TypedArray
Change-Id: Ifec9c19f23e182db25ad3e54edc3f60c6e6048f4
Reviewed-on: https://chromium-review.googlesource.com/1057729
Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Commit-Queue: Théotime Grohens <theotime@google.com>
Cr-Commit-Position: refs/heads/master@{#53177}
This CL adds sort benchmarks for BigUint64Array and BigInt64Array.
They form their own benchmark group separate from the Int and
Float types/element kinds.
R=jgruber@chromium.org
Bug: v8:7382
Change-Id: Id3ce125be36a42c419a2632edc5f930547a1720e
Reviewed-on: https://chromium-review.googlesource.com/1016643
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Commit-Queue: Simon Zünd <szuend@google.com>
Cr-Commit-Position: refs/heads/master@{#52668}
This patch adds a micro-benchmark comparing
`string.startsWith(singleCodeUnit)`, `string[0]`,
`string.endsWith(singleCodeUnit)`, and `string[string.length - 1]`.
The benchmark can be used to measure any String#{starts,ends}With
optimizations we implement in the future.
Test:
tools/run_perf.py --binary-override-path=out/x64.release/d8 \
--filter=JSTests/Strings/StringStartsEndsWithComparison \
--extra-flags=--trace-turbo test/js-perf-test/JSTests.json
Bug: v8:7453
Change-Id: I68cad197fbcbfc6b1938fc437776c319ee9f81df
Reviewed-on: https://chromium-review.googlesource.com/1011619
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Mathias Bynens <mathias@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52589}
This adds benchmarks that sort all element kinds with multiple comparison
functions. This also adds benchmarks that cause the element kind of
the array to change after x amount of comparisons.
The last set of benchmarks that are added, measure performance on
pre-sorted arrays.
R=jgruber@chromium.org, petermarshall@chromium.org
Bug: v8:7382
Change-Id: I620de37f4a28f8096682bb708ea4f7a9a21d5316
Reviewed-on: https://chromium-review.googlesource.com/1009602
Commit-Queue: Peter Marshall <petermarshall@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52574}
Benchmark now sorts every element type of TypedArray and groups the
benchmarks by integer and floating point types. Also adding a sort
benchmark that uses multiple custom compare functions.
R=petermarshall@chromium.org
Bug: v8:7624
Change-Id: Id0f44adf78398c99a17fe3edb6ee5d7fccc4d99b
Reviewed-on: https://chromium-review.googlesource.com/1000774
Commit-Queue: Simon Zünd <szuend@google.com>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52541}
The sort benchmarks are currently in their own directory, because we
might want to run them in isolation during the upcoming sort rework.
R=jgruber@chromium.org, petermarshall@chromium.org
Bug: v8:7382
Change-Id: Ic2e4e34d2838690529511d591099a66d0b908b0a
Reviewed-on: https://chromium-review.googlesource.com/1004997
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Peter Marshall <petermarshall@chromium.org>
Commit-Queue: Simon Zünd <szuend@google.com>
Cr-Commit-Position: refs/heads/master@{#52537}
This reverts commit cd1dd34f20.
Patchset 1 is the original CL that was reverted. Patchset 2 has the
fix.
TBR=bmeurer@chromium.org
Bug: v8:7611
Change-Id: I15291175ab894ef667c001e1b21b8b220e1f9b48
Reviewed-on: https://chromium-review.googlesource.com/993995
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Sathya Gunasekaran <gsathya@chromium.org>
Cr-Commit-Position: refs/heads/master@{#52337}
This benchmark checks comparison with StringAt functions against
each other and and constants. The benchmarks will serve to measure
the effect of an optimization that will omit the implicit
String.fromCharCode in such cases.
Bug: v8:7531
Change-Id: I171df92301516c96beb6a4ed86f1dec8d10e34f5
Reviewed-on: https://chromium-review.googlesource.com/957086
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51839}
This CL adds a regression benchmark for a fast-path of
String.p.charCodeAt, which is important for node.js.
Bug: v8:7326
Change-Id: I54efaa2988c595dd40e6a55a3464b3ee7de6f07b
Reviewed-on: https://chromium-review.googlesource.com/942885
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51654}
This CL also reorganizes the Strings test suite
Bug: v8:7340
Change-Id: I54d4d76a16c362e38ebfc9719ac8cb1a490ef3cc
Reviewed-on: https://chromium-review.googlesource.com/941122
Reviewed-by: Benedikt Meurer <bmeurer@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51631}
This proposal has not moved beyoned stage 2 in two years, and has never
moved past the HARMONY_INPROGRESS state in flag-definitions.h.
It was originally added to aide in desugaring yield*, but is no longer
used for that purpose.
Bug: v8:4700, v8:7310
Change-Id: Ieca40d8e4bf565516bbe71e47b996daa70d2e835
Reviewed-on: https://chromium-review.googlesource.com/935297
Commit-Queue: Adam Klein <adamk@chromium.org>
Reviewed-by: Georg Neis <neis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51582}
Modify "run_perf.py --filter Array/" so that it will let match "Array" but
not "ArrayLiteralSpread". Previously --filter Array/ would match nothing.
Change-Id: I1f9c677e3558fc2256a71306af5fc1a8394ac698
Reviewed-on: https://chromium-review.googlesource.com/895453
Commit-Queue: Dan Elphick <delphick@chromium.org>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#51098}