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@rluvatonrluvaton commented Sep 23, 2023

same as the following PR but for writable:

Benchmark CI output:

 confidence improvement accuracy (*) (**) (***) streams/creation.js kind='duplex' n=50000000 *** 10.15 % ±1.04% ±1.39% ±1.81% streams/creation.js kind='readable' n=50000000 *** -1.59 % ±0.64% ±0.85% ±1.11% streams/creation.js kind='transform' n=50000000 3.94 % ±4.16% ±5.58% ±7.37% streams/creation.js kind='writable' n=50000000 *** 14.64 % ±1.57% ±2.09% ±2.73% streams/destroy.js kind='duplex' n=1000000 *** 13.30 % ±3.37% ±4.52% ±5.95% streams/destroy.js kind='readable' n=1000000 1.01 % ±2.03% ±2.70% ±3.51% streams/destroy.js kind='transform' n=1000000 *** 16.34 % ±4.79% ±6.43% ±8.50% streams/destroy.js kind='writable' n=1000000 *** 17.12 % ±3.07% ±4.08% ±5.32% streams/pipe-object-mode.js n=5000000 1.87 % ±3.01% ±4.01% ±5.23% streams/pipe.js n=5000000 0.17 % ±2.36% ±3.15% ±4.09% streams/readable-async-iterator.js sync='no' n=100000 -0.51 % ±6.21% ±8.27% ±10.76% streams/readable-async-iterator.js sync='yes' n=100000 -0.90 % ±5.11% ±6.80% ±8.85% streams/readable-bigread.js n=1000 0.91 % ±1.66% ±2.21% ±2.88% streams/readable-bigunevenread.js n=1000 4.99 % ±5.19% ±6.91% ±8.99% streams/readable-boundaryread.js type='buffer' n=2000 -1.70 % ±1.80% ±2.39% ±3.12% streams/readable-boundaryread.js type='string' n=2000 -0.86 % ±1.74% ±2.32% ±3.04% streams/readable-from.js n=10000000 -1.03 % ±2.16% ±2.87% ±3.74% streams/readable-readall.js n=5000 -0.54 % ±1.70% ±2.27% ±2.97% streams/readable-unevenread.js n=1000 * 0.54 % ±0.46% ±0.61% ±0.80% streams/writable-manywrites.js len=1024 callback='no' writev='no' sync='no' n=2000000 2.09 % ±2.82% ±3.75% ±4.88% streams/writable-manywrites.js len=1024 callback='no' writev='no' sync='yes' n=2000000 4.51 % ±10.23% ±13.61% ±17.71% streams/writable-manywrites.js len=1024 callback='no' writev='yes' sync='no' n=2000000 -2.82 % ±7.02% ±9.34% ±12.16% streams/writable-manywrites.js len=1024 callback='no' writev='yes' sync='yes' n=2000000 5.14 % ±8.67% ±11.55% ±15.04% streams/writable-manywrites.js len=1024 callback='yes' writev='no' sync='no' n=2000000 * 3.14 % ±2.83% ±3.77% ±4.91% streams/writable-manywrites.js len=1024 callback='yes' writev='no' sync='yes' n=2000000 9.35 % ±9.50% ±12.64% ±16.47% streams/writable-manywrites.js len=1024 callback='yes' writev='yes' sync='no' n=2000000 -3.87 % ±8.31% ±11.06% ±14.39% streams/writable-manywrites.js len=1024 callback='yes' writev='yes' sync='yes' n=2000000 3.68 % ±7.45% ±9.92% ±12.91% streams/writable-manywrites.js len=32768 callback='no' writev='no' sync='no' n=2000000 1.75 % ±2.46% ±3.28% ±4.28% streams/writable-manywrites.js len=32768 callback='no' writev='no' sync='yes' n=2000000 *** -7.14 % ±3.16% ±4.21% ±5.48% streams/writable-manywrites.js len=32768 callback='no' writev='yes' sync='no' n=2000000 -0.14 % ±3.44% ±4.58% ±5.97% streams/writable-manywrites.js len=32768 callback='no' writev='yes' sync='yes' n=2000000 ** -4.60 % ±3.03% ±4.03% ±5.25% streams/writable-manywrites.js len=32768 callback='yes' writev='no' sync='no' n=2000000 -1.23 % ±3.16% ±4.21% ±5.49% streams/writable-manywrites.js len=32768 callback='yes' writev='no' sync='yes' n=2000000 -2.38 % ±3.54% ±4.71% ±6.13% streams/writable-manywrites.js len=32768 callback='yes' writev='yes' sync='no' n=2000000 1.02 % ±3.22% ±4.29% ±5.59% streams/writable-manywrites.js len=32768 callback='yes' writev='yes' sync='yes' n=2000000 ** -5.14 % ±3.52% ±4.68% ±6.10% Be aware that when doing many comparisons the risk of a false-positive result increases. In this case, there are 35 comparisons, you can thus expect the following amount of false-positive results: 1.75 false positives, when considering a 5% risk acceptance (*, **, ***), 0.35 false positives, when considering a 1% risk acceptance (**, ***), 0.04 false positives, when considering a 0.1% risk acceptance (***) 

For this script:

const{Writable}=require('node:stream');letw;for(leti=0;i<1000;i++){w=newWritable();}// eliminate v8 dead code eliminationconsole.assert(w);

the system analyzer shows a big reduction in size:

Before:
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@nodejs-github-botnodejs-github-bot added the needs-ci PRs that need a full CI run. label Sep 23, 2023
@rluvatonrluvaton added stream Issues and PRs related to the stream subsystem. performance Issues and PRs related to the performance of Node.js. needs-benchmark-ci PR that need a benchmark CI run. labels Sep 23, 2023
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@rluvatonrluvatonforce-pushed the convert-state-to-bitmap-in-writeble branch from b7144c1 to c0cd612CompareSeptember 24, 2023 08:54
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@rluvatonrluvatonforce-pushed the convert-state-to-bitmap-in-writeble branch from 3d3176d to f86c8abCompareSeptember 24, 2023 09:22
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RSLGTM

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@nodejs-github-botnodejs-github-bot added commit-queue-failed An error occurred while landing this pull request using GitHub Actions. and removed commit-queue Add this label to land a pull request using GitHub Actions. labels Sep 26, 2023
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- Loading data for nodejs/node/pull/49834 ✔ Done loading data for nodejs/node/pull/49834 ----------------------------------- PR info ------------------------------------ Title stream: use bitmap in writable state (#49834) ⚠ Could not retrieve the email or name of the PR author's from user's GitHub profile! Branch rluvaton:convert-state-to-bitmap-in-writeble -> nodejs:main Labels stream, performance, needs-ci, needs-benchmark-ci Commits 4 - stream: use bitmap in writable state - stream: add brackets - stream: add brackets and fix again - stream: fix tests Committers 1 - Raz Luvaton <[email protected]> PR-URL: https://github.com/nodejs/node/pull/49834 Reviewed-By: Benjamin Gruenbaum Reviewed-By: Robert Nagy Reviewed-By: Luigi Pinca Reviewed-By: Yagiz Nizipli ------------------------------ Generated metadata ------------------------------ PR-URL: https://github.com/nodejs/node/pull/49834 Reviewed-By: Benjamin Gruenbaum Reviewed-By: Robert Nagy Reviewed-By: Luigi Pinca Reviewed-By: Yagiz Nizipli -------------------------------------------------------------------------------- ℹ This PR was created on Sat, 23 Sep 2023 21:05:48 GMT ✔ Approvals: 4 ✔ - Benjamin Gruenbaum (@benjamingr) (TSC): https://github.com/nodejs/node/pull/49834#pullrequestreview-1640948581 ✔ - Robert Nagy (@ronag) (TSC): https://github.com/nodejs/node/pull/49834#pullrequestreview-1641038683 ✔ - Luigi Pinca (@lpinca): https://github.com/nodejs/node/pull/49834#pullrequestreview-1641116583 ✔ - Yagiz Nizipli (@anonrig) (TSC): https://github.com/nodejs/node/pull/49834#pullrequestreview-1644628581 ✔ Last GitHub CI successful ℹ Last Benchmark CI on 2023-09-23T21:24:08Z: https://ci.nodejs.org/job/benchmark-node-micro-benchmarks/1412/ ℹ Last Full PR CI on 2023-09-26T13:54:51Z: https://ci.nodejs.org/job/node-test-pull-request/54249/ - Querying data for job/node-test-pull-request/54249/ ✔ Last Jenkins CI successful -------------------------------------------------------------------------------- ✔ No git cherry-pick in progress ✔ No git am in progress ✔ No git rebase in progress -------------------------------------------------------------------------------- - Bringing origin/main up to date... From https://github.com/nodejs/node * branch main -> FETCH_HEAD ✔ origin/main is now up-to-date - Downloading patch for 49834 From https://github.com/nodejs/node * branch refs/pull/49834/merge -> FETCH_HEAD ✔ Fetched commits as c829c03df245..b6ac911d1d57 -------------------------------------------------------------------------------- [main e921e7e99c] stream: use bitmap in writable state Author: Raz Luvaton <[email protected]> Date: Sun Sep 24 00:05:03 2023 +0300 1 file changed, 195 insertions(+), 142 deletions(-) [main 74b3c3ffff] stream: add brackets Author: Raz Luvaton <[email protected]> Date: Sun Sep 24 12:18:50 2023 +0300 1 file changed, 2 insertions(+), 2 deletions(-) [main d62d5584bf] stream: add brackets and fix again Author: Raz Luvaton <[email protected]> Date: Sun Sep 24 12:45:07 2023 +0300 1 file changed, 2 insertions(+), 2 deletions(-) [main 6680801bbe] stream: fix tests Author: Raz Luvaton <[email protected]> Date: Sun Sep 24 13:11:18 2023 +0300 1 file changed, 1 insertion(+), 1 deletion(-) ✔ Patches applied There are 4 commits in the PR. Attempting autorebase. Rebasing (2/8) 

Executing: git node land --amend --yes
--------------------------------- New Message ----------------------------------
stream: use bitmap in writable state

PR-URL: #49834
Reviewed-By: Benjamin Gruenbaum [email protected]
Reviewed-By: Robert Nagy [email protected]
Reviewed-By: Luigi Pinca [email protected]
Reviewed-By: Yagiz Nizipli [email protected]

[detached HEAD b03d9e2bdb] stream: use bitmap in writable state
Author: Raz Luvaton [email protected]
Date: Sun Sep 24 00:05:03 2023 +0300
1 file changed, 195 insertions(+), 142 deletions(-)
Rebasing (3/8)
Rebasing (4/8)

Executing: git node land --amend --yes
--------------------------------- New Message ----------------------------------
stream: add brackets

PR-URL: #49834
Reviewed-By: Benjamin Gruenbaum [email protected]
Reviewed-By: Robert Nagy [email protected]
Reviewed-By: Luigi Pinca [email protected]
Reviewed-By: Yagiz Nizipli [email protected]

[detached HEAD 91870ee621] stream: add brackets
Author: Raz Luvaton [email protected]
Date: Sun Sep 24 12:18:50 2023 +0300
1 file changed, 2 insertions(+), 2 deletions(-)
Rebasing (5/8)
Rebasing (6/8)

Executing: git node land --amend --yes
--------------------------------- New Message ----------------------------------
stream: add brackets and fix again

PR-URL: #49834
Reviewed-By: Benjamin Gruenbaum [email protected]
Reviewed-By: Robert Nagy [email protected]
Reviewed-By: Luigi Pinca [email protected]
Reviewed-By: Yagiz Nizipli [email protected]

[detached HEAD 12fe805a9a] stream: add brackets and fix again
Author: Raz Luvaton [email protected]
Date: Sun Sep 24 12:45:07 2023 +0300
1 file changed, 2 insertions(+), 2 deletions(-)
Rebasing (7/8)
Rebasing (8/8)

Executing: git node land --amend --yes
--------------------------------- New Message ----------------------------------
stream: fix tests

PR-URL: #49834
Reviewed-By: Benjamin Gruenbaum [email protected]
Reviewed-By: Robert Nagy [email protected]
Reviewed-By: Luigi Pinca [email protected]
Reviewed-By: Yagiz Nizipli [email protected]

[detached HEAD 3b64d355d8] stream: fix tests
Author: Raz Luvaton [email protected]
Date: Sun Sep 24 13:11:18 2023 +0300
1 file changed, 1 insertion(+), 1 deletion(-)

Successfully rebased and updated refs/heads/main.

ℹ Add commit-queue-squash label to land the PR as one commit, or commit-queue-rebase to land as separate commits.

https://github.com/nodejs/node/actions/runs/6317227581

@rluvatonrluvaton added commit-queue Add this label to land a pull request using GitHub Actions. commit-queue-squash Add this label to instruct the Commit Queue to squash all the PR commits into the first one. and removed commit-queue-failed An error occurred while landing this pull request using GitHub Actions. labels Sep 26, 2023
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@nodejs-github-botnodejs-github-bot merged commit 6754652 into nodejs:mainSep 26, 2023
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Landed in 6754652

@rluvatonrluvaton deleted the convert-state-to-bitmap-in-writeble branch September 26, 2023 19:20
@benjamingrbenjamingr added the notable-change PRs with changes that should be highlighted in changelogs. label Sep 26, 2023
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The notable-changePRs with changes that should be highlighted in changelogs. label has been added by @benjamingr.

Please suggest a text for the release notes if you'd like to include a more detailed summary, then proceed to update the PR description with the text or a link to the notable change suggested text comment.

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This PR and the readable stream PR improve stream creation and destruction by ±15% and reduce the memory overhead each stream takes in Node.js

ruyadorno pushed a commit that referenced this pull request Sep 28, 2023
PR-URL: #49834 Reviewed-By: Benjamin Gruenbaum <[email protected]> Reviewed-By: Robert Nagy <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Yagiz Nizipli <[email protected]>
ruyadorno added a commit that referenced this pull request Sep 28, 2023
Notable changes: doc: * deprecate `fs.F_OK`, `fs.R_OK`, `fs.W_OK`, `fs.X_OK` (Livia Medeiros) #49683 * promote fetch/webstreams from experimental to stable (Steven) #45684 * deprecate `util.toUSVString` (Yagiz Nizipli) #49725 * deprecate calling `promisify` on a function that returns a promise (Antoine du Hamel) #49647 esm: * set all hooks as release candidate (Geoffrey Booth) #49597 stream: * use bitmap in writable state (Raz Luvaton) #49834 * use bitmap in readable state (Benjamin Gruenbaum) #49745 * improve webstream readable async iterator performance (Raz Luvaton) #49662 PR-URL: TODO
@ruyadornoruyadorno mentioned this pull request Sep 28, 2023
ruyadorno added a commit that referenced this pull request Sep 28, 2023
Notable changes: doc: * deprecate `fs.F_OK`, `fs.R_OK`, `fs.W_OK`, `fs.X_OK` (Livia Medeiros) #49683 * promote fetch/webstreams from experimental to stable (Steven) #45684 * deprecate `util.toUSVString` (Yagiz Nizipli) #49725 * deprecate calling `promisify` on a function that returns a promise (Antoine du Hamel) #49647 esm: * set all hooks as release candidate (Geoffrey Booth) #49597 stream: * use bitmap in writable state (Raz Luvaton) #49834 * use bitmap in readable state (Benjamin Gruenbaum) #49745 * improve webstream readable async iterator performance (Raz Luvaton) #49662 PR-URL: #49917
ruyadorno pushed a commit that referenced this pull request Sep 28, 2023
PR-URL: #49834 Reviewed-By: Benjamin Gruenbaum <[email protected]> Reviewed-By: Robert Nagy <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Yagiz Nizipli <[email protected]>
ruyadorno added a commit that referenced this pull request Sep 28, 2023
Notable changes: doc: * deprecate `fs.F_OK`, `fs.R_OK`, `fs.W_OK`, `fs.X_OK` (Livia Medeiros) #49683 * deprecate `util.toUSVString` (Yagiz Nizipli) #49725 * deprecate calling `promisify` on a function that returns a promise (Antoine du Hamel) #49647 esm: * set all hooks as release candidate (Geoffrey Booth) #49597 src: * (SEMVER-MINOR) allow embedders to override NODE_MODULE_VERSION (Cheng Zhao) #49279 stream: * use bitmap in writable state (Raz Luvaton) #49834 * use bitmap in readable state (Benjamin Gruenbaum) #49745 * improve webstream readable async iterator performance (Raz Luvaton) #49662 test_runner: * (SEMVER-MINOR) accept `testOnly` in `run` (Moshe Atlow) #49753 * (SEMVER-MINOR) add junit reporter (Moshe Atlow) #49614 PR-URL: TODO
@ruyadornoruyadorno mentioned this pull request Sep 28, 2023
ruyadorno added a commit that referenced this pull request Sep 28, 2023
Notable changes: deps: * add v8::Object::SetInternalFieldForNodeCore() (Joyee Cheung) #49874 doc: * deprecate `fs.F_OK`, `fs.R_OK`, `fs.W_OK`, `fs.X_OK` (Livia Medeiros) #49683 * deprecate `util.toUSVString` (Yagiz Nizipli) #49725 * deprecate calling `promisify` on a function that returns a promise (Antoine du Hamel) #49647 esm: * set all hooks as release candidate (Geoffrey Booth) #49597 module: * fix the leak in SourceTextModule and ContextifySript (Joyee Cheung) #48510 * fix leak of vm.SyntheticModule (Joyee Cheung) #48510 * use symbol in WeakMap to manage host defined options (Joyee Cheung) #48510 src: * (SEMVER-MINOR) allow embedders to override NODE_MODULE_VERSION (Cheng Zhao) #49279 stream: * use bitmap in writable state (Raz Luvaton) #49834 * use bitmap in readable state (Benjamin Gruenbaum) #49745 * improve webstream readable async iterator performance (Raz Luvaton) #49662 test_runner: * (SEMVER-MINOR) accept `testOnly` in `run` (Moshe Atlow) #49753 * (SEMVER-MINOR) add junit reporter (Moshe Atlow) #49614 PR-URL: #49932
ruyadorno added a commit that referenced this pull request Sep 28, 2023
Notable changes: deps: * add v8::Object::SetInternalFieldForNodeCore() (Joyee Cheung) #49874 doc: * deprecate `fs.F_OK`, `fs.R_OK`, `fs.W_OK`, `fs.X_OK` (Livia Medeiros) #49683 * deprecate `util.toUSVString` (Yagiz Nizipli) #49725 * deprecate calling `promisify` on a function that returns a promise (Antoine du Hamel) #49647 esm: * set all hooks as release candidate (Geoffrey Booth) #49597 module: * fix the leak in SourceTextModule and ContextifySript (Joyee Cheung) #48510 * fix leak of vm.SyntheticModule (Joyee Cheung) #48510 * use symbol in WeakMap to manage host defined options (Joyee Cheung) #48510 src: * (SEMVER-MINOR) allow embedders to override NODE_MODULE_VERSION (Cheng Zhao) #49279 stream: * use bitmap in writable state (Raz Luvaton) #49834 * use bitmap in readable state (Benjamin Gruenbaum) #49745 * improve webstream readable async iterator performance (Raz Luvaton) #49662 test_runner: * (SEMVER-MINOR) accept `testOnly` in `run` (Moshe Atlow) #49753 * (SEMVER-MINOR) add junit reporter (Moshe Atlow) #49614 PR-URL: #49932
ruyadorno added a commit that referenced this pull request Sep 29, 2023
Notable changes: deps: * add v8::Object::SetInternalFieldForNodeCore() (Joyee Cheung) #49874 doc: * deprecate `fs.F_OK`, `fs.R_OK`, `fs.W_OK`, `fs.X_OK` (Livia Medeiros) #49683 * deprecate `util.toUSVString` (Yagiz Nizipli) #49725 * deprecate calling `promisify` on a function that returns a promise (Antoine du Hamel) #49647 esm: * set all hooks as release candidate (Geoffrey Booth) #49597 module: * fix the leak in SourceTextModule and ContextifySript (Joyee Cheung) #48510 * fix leak of vm.SyntheticModule (Joyee Cheung) #48510 * use symbol in WeakMap to manage host defined options (Joyee Cheung) #48510 src: * (SEMVER-MINOR) allow embedders to override NODE_MODULE_VERSION (Cheng Zhao) #49279 stream: * use bitmap in writable state (Raz Luvaton) #49834 * use bitmap in readable state (Benjamin Gruenbaum) #49745 * improve webstream readable async iterator performance (Raz Luvaton) #49662 test_runner: * (SEMVER-MINOR) accept `testOnly` in `run` (Moshe Atlow) #49753 * (SEMVER-MINOR) add junit reporter (Moshe Atlow) #49614 PR-URL: #49932
alexfernandez pushed a commit to alexfernandez/node that referenced this pull request Nov 1, 2023
PR-URL: nodejs#49834 Reviewed-By: Benjamin Gruenbaum <[email protected]> Reviewed-By: Robert Nagy <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Yagiz Nizipli <[email protected]>
alexfernandez pushed a commit to alexfernandez/node that referenced this pull request Nov 1, 2023
Notable changes: deps: * add v8::Object::SetInternalFieldForNodeCore() (Joyee Cheung) nodejs#49874 doc: * deprecate `fs.F_OK`, `fs.R_OK`, `fs.W_OK`, `fs.X_OK` (Livia Medeiros) nodejs#49683 * deprecate `util.toUSVString` (Yagiz Nizipli) nodejs#49725 * deprecate calling `promisify` on a function that returns a promise (Antoine du Hamel) nodejs#49647 esm: * set all hooks as release candidate (Geoffrey Booth) nodejs#49597 module: * fix the leak in SourceTextModule and ContextifySript (Joyee Cheung) nodejs#48510 * fix leak of vm.SyntheticModule (Joyee Cheung) nodejs#48510 * use symbol in WeakMap to manage host defined options (Joyee Cheung) nodejs#48510 src: * (SEMVER-MINOR) allow embedders to override NODE_MODULE_VERSION (Cheng Zhao) nodejs#49279 stream: * use bitmap in writable state (Raz Luvaton) nodejs#49834 * use bitmap in readable state (Benjamin Gruenbaum) nodejs#49745 * improve webstream readable async iterator performance (Raz Luvaton) nodejs#49662 test_runner: * (SEMVER-MINOR) accept `testOnly` in `run` (Moshe Atlow) nodejs#49753 * (SEMVER-MINOR) add junit reporter (Moshe Atlow) nodejs#49614 PR-URL: nodejs#49932
debadree25 pushed a commit to debadree25/node that referenced this pull request Apr 15, 2024
PR-URL: nodejs#49834 Reviewed-By: Benjamin Gruenbaum <[email protected]> Reviewed-By: Robert Nagy <[email protected]> Reviewed-By: Luigi Pinca <[email protected]> Reviewed-By: Yagiz Nizipli <[email protected]>
debadree25 pushed a commit to debadree25/node that referenced this pull request Apr 15, 2024
Notable changes: deps: * add v8::Object::SetInternalFieldForNodeCore() (Joyee Cheung) nodejs#49874 doc: * deprecate `fs.F_OK`, `fs.R_OK`, `fs.W_OK`, `fs.X_OK` (Livia Medeiros) nodejs#49683 * deprecate `util.toUSVString` (Yagiz Nizipli) nodejs#49725 * deprecate calling `promisify` on a function that returns a promise (Antoine du Hamel) nodejs#49647 esm: * set all hooks as release candidate (Geoffrey Booth) nodejs#49597 module: * fix the leak in SourceTextModule and ContextifySript (Joyee Cheung) nodejs#48510 * fix leak of vm.SyntheticModule (Joyee Cheung) nodejs#48510 * use symbol in WeakMap to manage host defined options (Joyee Cheung) nodejs#48510 src: * (SEMVER-MINOR) allow embedders to override NODE_MODULE_VERSION (Cheng Zhao) nodejs#49279 stream: * use bitmap in writable state (Raz Luvaton) nodejs#49834 * use bitmap in readable state (Benjamin Gruenbaum) nodejs#49745 * improve webstream readable async iterator performance (Raz Luvaton) nodejs#49662 test_runner: * (SEMVER-MINOR) accept `testOnly` in `run` (Moshe Atlow) nodejs#49753 * (SEMVER-MINOR) add junit reporter (Moshe Atlow) nodejs#49614 PR-URL: nodejs#49932
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