PR-URL: https://github.com/nodejs/node/pull/47335
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Beth Griggs <bethanyngriggs@gmail.com>
Reviewed-By: Marco Ippolito <marcoippolito54@gmail.com>
PR-URL: https://github.com/nodejs/node/pull/47351
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
The markdown table in `benchmark/README.md` has grown stale, no
longer providing an overview over all existing benchmarks. As it has
proven difficult to keep an exhaustive listing of available benchmarks
up to date, this commit provides a description of how the directory is
structured instead.
PR-URL: https://github.com/nodejs/node/pull/46991
Reviewed-By: Kohei Ueno <kohei.ueno119@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
- Increase the number of iteration to 1e6 to reduce flakes. 1e4
can introduce flakes even when comparing the main branch
against itself
- Replace the 1024 * 32 length test with 1024 * 8 since it would
otherwise take too long to complete. Remove the 16 length test
since it's not too different from 32.
- Check the results of the encoding methods at the end.
PR-URL: https://github.com/nodejs/node/pull/46658
Reviewed-By: Darshan Sen <raisinten@gmail.com>
PR-URL: https://github.com/nodejs/node/pull/46616
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
It previously called spawnProcess in spawnWorker, which was
incorrect.
PR-URL: https://github.com/nodejs/node/pull/46680
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
This is mainly a performance improvement for a lot of simple cases.
Diverging elements are detected earlier and equal entries are
partially also detected faster.
A small correctness patch is also included where recursions now
stop as soon as either side has a circular structure. Before, both
sides had to have a circular structure at the specific comparison
which could have caused more checks that likely fail at a later
point.
Signed-off-by: Ruben Bridgewater <ruben@bridgewater.de>
PR-URL: https://github.com/nodejs/node/pull/46593
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
This reworks most assert benchmarks to provide more reliable test
cases that also test more cases than before while keeping the
runtime low.
Signed-off-by: Ruben Bridgewater <ruben@bridgewater.de>
PR-URL: https://github.com/nodejs/node/pull/46593
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
This allows the repl to function normally while using the
`--no-harmony-sharedarraybuffer` V8 flag.
It also fixes using workers while using the
`--no-harmony-atomics` V8 flag.
Fixes: https://github.com/nodejs/node/issues/39717
Signed-off-by: Ruben Bridgewater <ruben@bridgewater.de>
Co-authored-by: Shelley Vohr <shelley.vohr@gmail.com>
PR-URL: https://github.com/nodejs/node/pull/41023
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Tobias Nießen <tniessen@tnie.de>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
PR-URL: https://github.com/nodejs/node/pull/46609
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Add micro-benchmarks to verify the performance degradation related to
the number of active `AsyncLocalStorage`s.
With these benchmarks, trying to improve the async context propagation
to be an O(1) operation, which is an operation more frequent compared
to `asyncLocalStorage.run` and `asyncLocalStorage.getStore`.
PR-URL: https://github.com/nodejs/node/pull/46414
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Gerhard Stöbich <deb2001-github@yahoo.de>
Reviewed-By: Minwoo Jung <nodecorelab@gmail.com>
All of the import and export statements in the codebase already use
trailing commas, this commit adds a linter rule to enforce that.
PR-URL: https://github.com/nodejs/node/pull/46346
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Filip Skokan <panva.ip@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
fixup: add support for `Object.create(null)`
fixup: extend to any 1-argument Object.create call
fixup: add tests
PR-URL: https://github.com/nodejs/node/pull/46083
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Geoffrey Booth <webadmin@geoffreybooth.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Mohammed Keyvanzadeh <mohammadkeyvanzade94@gmail.com>
Reviewed-By: Darshan Sen <raisinten@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Jacob Smith <jacob@frende.me>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
This change reduces the number of calls that were crossing the JS-C++
boundary to 1 and also removes the need for calling Array::New()
multiple times internally and ArrayPrototypeConcat-ing the results
later on, thus improving performance.
Refs: https://github.com/nodejs/node/pull/44445#pullrequestreview-1220052837
Signed-off-by: Darshan Sen <raisinten@gmail.com>
PR-URL: https://github.com/nodejs/node/pull/46014
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
PR-URL: https://github.com/nodejs/node/pull/45803
Reviewed-By: Robert Nagy <ronagy@icloud.com>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: Michael Dawson <midawson@redhat.com>
Also remove the require-cachable.js benchmarks because now all builtin
modules are cacheable, it would be comparing oranges to apples when
we try to compare the performance of loading all cacheable modules
in different Node.js binaries since the set of modules are just
different. Comparison of startup performance that involves loading
of the long-standing, stable builtins is already covered by the
require-builtins benchmark.
PR-URL: https://github.com/nodejs/node/pull/45746
Reviewed-By: Chengzhong Wu <legendecas@gmail.com>
Reviewed-By: Yagiz Nizipli <yagiz@nizipli.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
PR-URL: https://github.com/nodejs/node/pull/45450
Reviewed-By: Stephen Belanger <admin@stephenbelanger.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Using a direct approach to create the readline async iterator
allowed an iteration over 20 to 58% faster.
**BREAKING CHANGE**: With that change, the async iteterator
obtained from the readline interface doesn't have the
property "stream" any longer. This happened because it's no
longer created through a Readable, instead, the async
iterator is created directly from the events of the readline
interface instance, so, if anyone is using that property,
this change will break their code.
Also, the Readable added a backpressure control that is
fairly compensated by the use of FixedQueue + monitoring
its size. This control wasn't really precise with readline
before, though, because it only pauses the reading of the
original stream, but the lines generated from the last
message received from it was still emitted. For example:
if the readable was paused at 1000 messages but the last one
received generated 10k lines, but no further messages were
emitted again until the queue was lower than the readable
highWaterMark. A similar behavior still happens with the
new implementation, but the highWaterMark used is fixed: 1024,
and the original stream is resumed again only after the queue
is cleared.
Before making that change, I created a package implementing
the same concept used here to validate it. You can find it
[here](https://github.com/Farenheith/faster-readline-iterator)
if this helps anyhow.
PR-URL: https://github.com/nodejs/node/pull/41276
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
