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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` |
This commit is contained in:
Divy Srivastava 2023-03-31 21:28:21 +05:30 committed by Matt Mastracci
parent a23252d975
commit 8088a7b786
8 changed files with 31 additions and 18 deletions

View file

@ -191,12 +191,24 @@
return res;
}
function rollPromiseId() {
return nextPromiseId++;
function opAsync2(name, arg0, arg1) {
const id = nextPromiseId++;
let promise = PromisePrototypeThen(setPromise(id), unwrapOpResult);
try {
ops[name](id, arg0, arg1);
} catch (err) {
// Cleanup the just-created promise
getPromise(id);
// Rethrow the error
throw err;
}
promise = handleOpCallTracing(name, id, promise);
promise[promiseIdSymbol] = id;
return promise;
}
function opAsync(name, ...args) {
const id = rollPromiseId();
const id = nextPromiseId++;
let promise = PromisePrototypeThen(setPromise(id), unwrapOpResult);
try {
ops[name](id, ...new SafeArrayIterator(args));
@ -376,6 +388,7 @@
// Extra Deno.core.* exports
const core = ObjectAssign(globalThis.Deno.core, {
opAsync,
opAsync2,
resources,
metrics,
registerErrorBuilder,

View file

@ -3,7 +3,7 @@
// then write this fixed 'responseBuf'. The point of this benchmark is to
// exercise the event loop in a simple yet semi-realistic way.
const { ops, opAsync } = Deno.core;
const { ops, opAsync, opAsync2 } = Deno.core;
const requestBuf = new Uint8Array(64 * 1024);
const responseBuf = new Uint8Array(
@ -23,7 +23,7 @@ function accept(serverRid) {
}
function read(serverRid, buf) {
return opAsync("op_read_socket", serverRid, buf);
return opAsync2("op_read_socket", serverRid, buf);
}
async function serve(rid) {

View file

@ -2918,7 +2918,7 @@ pub mod tests {
r#"
let zero_copy_a = new Uint8Array([0]);
Deno.core.opAsync("op_test", null, zero_copy_a);
Deno.core.opAsync2("op_test", null, zero_copy_a);
"#,
)
.unwrap();

View file

@ -31,7 +31,7 @@ function chmodSync(path, mode) {
}
async function chmod(path, mode) {
await core.opAsync("op_chmod_async", pathFromURL(path), mode);
await core.opAsync2("op_chmod_async", pathFromURL(path), mode);
}
function chownSync(
@ -121,7 +121,7 @@ async function mkdir(
path,
options,
) {
await core.opAsync("op_mkdir_async", mkdirArgs(path, options));
await core.opAsync2("op_mkdir_async", mkdirArgs(path, options));
}
function readDirSync(path) {
@ -349,7 +349,7 @@ function ftruncateSync(rid, len) {
}
async function ftruncate(rid, len) {
await core.opAsync("op_ftruncate_async", rid, coerceLen(len));
await core.opAsync2("op_ftruncate_async", rid, coerceLen(len));
}
function truncateSync(path, len) {
@ -357,7 +357,7 @@ function truncateSync(path, len) {
}
async function truncate(path, len) {
await core.opAsync("op_truncate_async", path, coerceLen(len));
await core.opAsync2("op_truncate_async", path, coerceLen(len));
}
function umask(mask) {
@ -369,7 +369,7 @@ function linkSync(oldpath, newpath) {
}
async function link(oldpath, newpath) {
await core.opAsync("op_link_async", oldpath, newpath);
await core.opAsync2("op_link_async", oldpath, newpath);
}
function toUnixTimeFromEpoch(value) {
@ -499,7 +499,7 @@ function flockSync(rid, exclusive) {
}
async function flock(rid, exclusive) {
await core.opAsync("op_flock_async", rid, exclusive === true);
await core.opAsync2("op_flock_async", rid, exclusive === true);
}
function funlockSync(rid) {

View file

@ -316,7 +316,7 @@ function createRespondWith(
break;
}
try {
await core.opAsync("op_http_write", streamRid, value);
await core.opAsync2("op_http_write", streamRid, value);
} catch (error) {
const connError = httpConn[connErrorSymbol];
if (

View file

@ -92,7 +92,7 @@ export function checkPrime(
);
}
core.opAsync(op, candidate, checks).then(
core.opAsync2(op, candidate, checks).then(
(result) => {
callback?.(null, result);
},

View file

@ -215,7 +215,7 @@ const scheduledTimers = { head: null, tail: null };
*/
function runAfterTimeout(cb, millis, timerInfo) {
const cancelRid = timerInfo.cancelRid;
const sleepPromise = core.opAsync("op_sleep", millis, cancelRid);
const sleepPromise = core.opAsync2("op_sleep", millis, cancelRid);
timerInfo.promiseId = sleepPromise[SymbolFor("Deno.core.internalPromiseId")];
if (!timerInfo.isRef) {
core.unrefOp(timerInfo.promiseId);

View file

@ -301,7 +301,7 @@ class WebSocket extends EventTarget {
const sendTypedArray = (ta) => {
this[_bufferedAmount] += ta.byteLength;
PromisePrototypeThen(
core.opAsync("op_ws_send_binary", this[_rid], ta),
core.opAsync2("op_ws_send_binary", this[_rid], ta),
() => {
this[_bufferedAmount] -= ta.byteLength;
},
@ -322,7 +322,7 @@ class WebSocket extends EventTarget {
const d = core.encode(string);
this[_bufferedAmount] += d.byteLength;
PromisePrototypeThen(
core.opAsync("op_ws_send_text", this[_rid], string),
core.opAsync2("op_ws_send_text", this[_rid], string),
() => {
this[_bufferedAmount] -= d.byteLength;
},
@ -394,7 +394,7 @@ class WebSocket extends EventTarget {
async [_eventLoop]() {
while (this[_readyState] !== CLOSED) {
const { 0: kind, 1: value } = await core.opAsync(
const { 0: kind, 1: value } = await core.opAsync2(
"op_ws_next_event",
this[_rid],
);