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Code Issues Packages 1 Wiki Activity

perf(ext/node): optimize net streams (#19678)

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~4.5x improvement in `npm:ws` echo benchmark:

```
$ ./load_test 10 0.0.0.0 8080 0 0
Using message size of 20 bytes
Running benchmark now...
Msg/sec: 101083.750000
Msg/sec: 103606.000000
^C

$ ./load_test 10 0.0.0.0 8080 0 0
Using message size of 20 bytes
Running benchmark now...
Msg/sec: 24906.750000
Msg/sec: 28478.000000
^C
```
This commit is contained in:
Divy Srivastava 2023-07-05 22:45:10 +05:30 • committed by GitHub
parent 2e7bcb422d
commit 57fae55d82
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 14 additions and 2 deletions
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9
ext/node/lib.rs
View file

@ -9,7 +9,10 @@ use deno_core::error::AnyError;
use deno_core::located_script_name;
use deno_core::op;
use deno_core::serde_json;
use deno_core::serde_v8;
use deno_core::url::Url;
#[allow(unused_imports)]
use deno_core::v8;
use deno_core::JsRuntime;
use deno_core::ModuleSpecifier;
use deno_fs::sync::MaybeSend;
@ -130,6 +133,11 @@ fn op_node_build_os() -> String {
.to_string()
}
#[op(fast)]
fn op_is_any_arraybuffer(value: serde_v8::Value) -> bool {
value.v8_value.is_array_buffer() || value.v8_value.is_shared_array_buffer()
}
deno_core::extension!(deno_node,
deps = [ deno_io, deno_fs ],
parameters = [P: NodePermissions],
@ -224,6 +232,7 @@ deno_core::extension!(deno_node,
ops::zlib::brotli::op_brotli_decompress_stream_end,
ops::http::op_node_http_request<P>,
op_node_build_os,
op_is_any_arraybuffer,
ops::require::op_require_init_paths,
ops::require::op_require_node_module_paths<P>,
ops::require::op_require_proxy_path,

4
ext/node/polyfills/internal_binding/stream_wrap.ts
View file

@ -279,7 +279,7 @@ export class LibuvStreamWrap extends HandleWrap {
/** Internal method for reading from the attached stream. */
async #read() {
let buf = new Uint8Array(SUGGESTED_SIZE);
let buf = BUF;
let nread: number | null;
try {
@ -375,3 +375,5 @@ export class LibuvStreamWrap extends HandleWrap {
return;
}
}
const BUF = new Uint8Array(SUGGESTED_SIZE);

3
ext/node/polyfills/internal_binding/types.ts
View file

@ -25,6 +25,7 @@
// deno-lint-ignore-file prefer-primordials
const { core } = globalThis.__bootstrap;
const { ops } = core;
// https://tc39.es/ecma262/#sec-object.prototype.tostring
const _toString = Object.prototype.toString;
@ -89,7 +90,7 @@ function isObjectLike(
export function isAnyArrayBuffer(
value: unknown,
): value is ArrayBuffer | SharedArrayBuffer {
return isArrayBuffer(value) || isSharedArrayBuffer(value);
return ops.op_is_any_arraybuffer(value);
}
export function isArgumentsObject(value: unknown): value is IArguments {