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perf(ext/websocket): use opAsync2 to avoid spread deopt (#18525)
This commit adds a new core API `opAsync2` to call an async op with atmost 2 arguments. Spread argument iterators has a pretty big perf hit when calling ops. | name | avg msg/sec/core | | --- | --- | | 1.32.1 | `127820.750000` | | #18506 | `140079.000000` | | #18506 + #18509 | `150104.250000` | | #18506 + #18509 + this | `157340.000000` |
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8 changed files with 31 additions and 18 deletions
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@ -191,12 +191,24 @@
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return res;
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}
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function rollPromiseId() {
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return nextPromiseId++;
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function opAsync2(name, arg0, arg1) {
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const id = nextPromiseId++;
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let promise = PromisePrototypeThen(setPromise(id), unwrapOpResult);
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try {
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ops[name](id, arg0, arg1);
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} catch (err) {
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// Cleanup the just-created promise
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getPromise(id);
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// Rethrow the error
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throw err;
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}
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promise = handleOpCallTracing(name, id, promise);
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promise[promiseIdSymbol] = id;
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return promise;
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}
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function opAsync(name, ...args) {
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const id = rollPromiseId();
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const id = nextPromiseId++;
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let promise = PromisePrototypeThen(setPromise(id), unwrapOpResult);
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try {
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ops[name](id, ...new SafeArrayIterator(args));
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@ -376,6 +388,7 @@
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// Extra Deno.core.* exports
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const core = ObjectAssign(globalThis.Deno.core, {
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opAsync,
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opAsync2,
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resources,
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metrics,
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registerErrorBuilder,
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@ -3,7 +3,7 @@
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// then write this fixed 'responseBuf'. The point of this benchmark is to
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// exercise the event loop in a simple yet semi-realistic way.
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const { ops, opAsync } = Deno.core;
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const { ops, opAsync, opAsync2 } = Deno.core;
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const requestBuf = new Uint8Array(64 * 1024);
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const responseBuf = new Uint8Array(
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@ -23,7 +23,7 @@ function accept(serverRid) {
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}
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function read(serverRid, buf) {
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return opAsync("op_read_socket", serverRid, buf);
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return opAsync2("op_read_socket", serverRid, buf);
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}
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async function serve(rid) {
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@ -2918,7 +2918,7 @@ pub mod tests {
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r#"
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let zero_copy_a = new Uint8Array([0]);
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Deno.core.opAsync("op_test", null, zero_copy_a);
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Deno.core.opAsync2("op_test", null, zero_copy_a);
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"#,
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)
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.unwrap();
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@ -31,7 +31,7 @@ function chmodSync(path, mode) {
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}
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async function chmod(path, mode) {
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await core.opAsync("op_chmod_async", pathFromURL(path), mode);
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await core.opAsync2("op_chmod_async", pathFromURL(path), mode);
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}
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function chownSync(
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@ -121,7 +121,7 @@ async function mkdir(
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path,
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options,
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) {
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await core.opAsync("op_mkdir_async", mkdirArgs(path, options));
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await core.opAsync2("op_mkdir_async", mkdirArgs(path, options));
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}
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function readDirSync(path) {
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@ -349,7 +349,7 @@ function ftruncateSync(rid, len) {
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}
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async function ftruncate(rid, len) {
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await core.opAsync("op_ftruncate_async", rid, coerceLen(len));
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await core.opAsync2("op_ftruncate_async", rid, coerceLen(len));
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}
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function truncateSync(path, len) {
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@ -357,7 +357,7 @@ function truncateSync(path, len) {
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}
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async function truncate(path, len) {
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await core.opAsync("op_truncate_async", path, coerceLen(len));
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await core.opAsync2("op_truncate_async", path, coerceLen(len));
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}
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function umask(mask) {
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@ -369,7 +369,7 @@ function linkSync(oldpath, newpath) {
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}
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async function link(oldpath, newpath) {
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await core.opAsync("op_link_async", oldpath, newpath);
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await core.opAsync2("op_link_async", oldpath, newpath);
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}
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function toUnixTimeFromEpoch(value) {
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@ -499,7 +499,7 @@ function flockSync(rid, exclusive) {
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}
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async function flock(rid, exclusive) {
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await core.opAsync("op_flock_async", rid, exclusive === true);
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await core.opAsync2("op_flock_async", rid, exclusive === true);
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}
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function funlockSync(rid) {
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@ -316,7 +316,7 @@ function createRespondWith(
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break;
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}
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try {
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await core.opAsync("op_http_write", streamRid, value);
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await core.opAsync2("op_http_write", streamRid, value);
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} catch (error) {
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const connError = httpConn[connErrorSymbol];
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if (
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@ -92,7 +92,7 @@ export function checkPrime(
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);
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}
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core.opAsync(op, candidate, checks).then(
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core.opAsync2(op, candidate, checks).then(
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(result) => {
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callback?.(null, result);
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},
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@ -215,7 +215,7 @@ const scheduledTimers = { head: null, tail: null };
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*/
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function runAfterTimeout(cb, millis, timerInfo) {
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const cancelRid = timerInfo.cancelRid;
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const sleepPromise = core.opAsync("op_sleep", millis, cancelRid);
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const sleepPromise = core.opAsync2("op_sleep", millis, cancelRid);
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timerInfo.promiseId = sleepPromise[SymbolFor("Deno.core.internalPromiseId")];
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if (!timerInfo.isRef) {
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core.unrefOp(timerInfo.promiseId);
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@ -301,7 +301,7 @@ class WebSocket extends EventTarget {
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const sendTypedArray = (ta) => {
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this[_bufferedAmount] += ta.byteLength;
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PromisePrototypeThen(
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core.opAsync("op_ws_send_binary", this[_rid], ta),
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core.opAsync2("op_ws_send_binary", this[_rid], ta),
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() => {
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this[_bufferedAmount] -= ta.byteLength;
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},
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@ -322,7 +322,7 @@ class WebSocket extends EventTarget {
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const d = core.encode(string);
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this[_bufferedAmount] += d.byteLength;
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PromisePrototypeThen(
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core.opAsync("op_ws_send_text", this[_rid], string),
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core.opAsync2("op_ws_send_text", this[_rid], string),
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() => {
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this[_bufferedAmount] -= d.byteLength;
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},
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@ -394,7 +394,7 @@ class WebSocket extends EventTarget {
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async [_eventLoop]() {
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while (this[_readyState] !== CLOSED) {
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const { 0: kind, 1: value } = await core.opAsync(
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const { 0: kind, 1: value } = await core.opAsync2(
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"op_ws_next_event",
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this[_rid],
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);
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