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Perf: run entire reverse cn cidr in worker threads
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This commit is contained in:
SukkaW 2025-03-31 01:00:26 +08:00
parent 8cefcf740c
commit 76d50b25b1
2 changed files with 25 additions and 35 deletions
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56
Build/build-internal-reverse-chn-cidr.ts
View File

@ -1,14 +1,6 @@
import path from 'node:path';
import { task } from './trace';
import { getChnCidrPromise } from './build-chn-cidr';
// import { RESERVED_IPV4_CIDR, NON_CN_CIDR_INCLUDED_IN_CHNROUTE } from './constants/cidr';
import fs from 'node:fs';
import { OUTPUT_INTERNAL_DIR } from './constants/dir';
import { asyncWriteToStream } from 'foxts/async-write-to-stream';
import { mkdirp } from './lib/misc';
// import { appendArrayInPlace } from './lib/append-array-in-place';
import Worktank from 'worktank';
const pool = new Worktank({
@ -20,15 +12,24 @@ const pool = new Worktank({
env: {},
methods: {
// eslint-disable-next-line object-shorthand -- workertank
getreversedCidr: async function (cidr: string[], importMetaUrl: string): Promise<string[]> {
getreversedCidr: async function (cidr: string[], importMetaUrl: string): Promise<void> {
// TODO: createRequire is a temporary workaround for https://github.com/nodejs/node/issues/51956
const { default: module } = await import('node:module');
const __require = module.createRequire(importMetaUrl);
const { exclude, merge } = __require('fast-cidr-tools');
const { RESERVED_IPV4_CIDR, NON_CN_CIDR_INCLUDED_IN_CHNROUTE } = __require('./constants/cidr');
const { appendArrayInPlace } = __require('./lib/append-array-in-place');
const path = __require('node:path') as typeof import('node:path');
const fs = __require('fs') as typeof import('fs');
return merge(
const { OUTPUT_INTERNAL_DIR } = __require('./constants/dir') as typeof import('./constants/dir');
const { exclude, merge } = __require('fast-cidr-tools') as typeof import('fast-cidr-tools');
const { RESERVED_IPV4_CIDR, NON_CN_CIDR_INCLUDED_IN_CHNROUTE } = __require('./constants/cidr') as typeof import('./constants/cidr');
const { appendArrayInPlace } = __require('./lib/append-array-in-place') as typeof import('./lib/append-array-in-place');
const { fastStringArrayJoin } = __require('foxts/fast-string-array-join') as typeof import('foxts/fast-string-array-join');
const outputFile = path.join(OUTPUT_INTERNAL_DIR, 'reversed-chn-cidr.txt');
fs.mkdirSync(OUTPUT_INTERNAL_DIR, { recursive: true });
const result = merge(
appendArrayInPlace(
exclude(
['0.0.0.0/0'],
@ -40,6 +41,8 @@ const pool = new Worktank({
),
true
);
fs.writeFileSync(outputFile, fastStringArrayJoin(result, '\n') + '\n', { encoding: 'utf-8' });
}
}
});
@ -47,28 +50,11 @@ const pool = new Worktank({
export const buildInternalReverseChnCIDR = task(require.main === module, __filename)(async (span) => {
const [cidr] = await span.traceChildPromise('download chnroutes2', getChnCidrPromise());
const reversedCidr = await span.traceChildAsync('build reversed chn cidr', async () => {
const reversedCidr = await pool.exec(
return span.traceChildAsync(
'build reversed chn cidr',
async () => pool.exec(
'getreversedCidr',
[cidr, import.meta.url]
);
pool.terminate();
return reversedCidr;
});
const outputFile = path.join(OUTPUT_INTERNAL_DIR, 'reversed-chn-cidr.txt');
await mkdirp(OUTPUT_INTERNAL_DIR);
const writeStream = fs.createWriteStream(outputFile);
for (const line of reversedCidr) {
const p = asyncWriteToStream(writeStream, line + '\n');
if (p) {
// eslint-disable-next-line no-await-in-loop -- stream high water mark
await p;
}
}
await asyncWriteToStream(writeStream, '\n');
writeStream.end();
).finally(() => pool.terminate())
);
});

4
Build/index.ts
View File

@ -61,6 +61,10 @@ const buildFinishedLock = path.join(ROOT_DIR, '.BUILD_FINISHED');
.map((key) => `${key} x ${cpus[key]}`)
.join('\n')
}`);
if ('availableParallelism' in os) {
console.log(`Available parallelism: ${os.availableParallelism()}`);
}
console.log(`Memory: ${os.totalmem() / (1024 * 1024)} MiB`);
const rootSpan = createSpan('root');