AngeloooooandDraculabo
8ed4593f73
* Refactor Gemini model display: filter old versions, group low/high pro, and improve naming * Fix potential negative minutes and refine Gemini 3 Pro grouping logic based on PR feedback * The account change process has been sped up * Address PR review: enhance error message and parameterize polling interval in process handler * Address PR review: fix potential race condition in database backup logic * fix: prevent renderer white screen and harden sentry gating * feat: localize model labels * chore: enable hoisted node-linker * chore: ignore .agent/.claude/.codex in prettier --------- Co-authored-by: Draculabo <[email protected]>
49 lines
1.3 KiB
Markdown
49 lines
1.3 KiB
Markdown
---
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title: Dependency-Based Parallelization
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impact: CRITICAL
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impactDescription: 2-10× improvement
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tags: async, parallelization, dependencies, better-all
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---
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## Dependency-Based Parallelization
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For operations with partial dependencies, use `better-all` to maximize parallelism. It automatically starts each task at the earliest possible moment.
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**Incorrect (profile waits for config unnecessarily):**
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```typescript
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const [user, config] = await Promise.all([fetchUser(), fetchConfig()]);
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const profile = await fetchProfile(user.id);
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```
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**Correct (config and profile run in parallel):**
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```typescript
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import { all } from 'better-all';
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const { user, config, profile } = await all({
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async user() {
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return fetchUser();
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},
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async config() {
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return fetchConfig();
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},
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async profile() {
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return fetchProfile((await this.$.user).id);
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},
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});
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```
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**Alternative without extra dependencies:**
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We can also create all the promises first, and do `Promise.all()` at the end.
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```typescript
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const userPromise = fetchUser();
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const profilePromise = userPromise.then((user) => fetchProfile(user.id));
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const [user, config, profile] = await Promise.all([userPromise, fetchConfig(), profilePromise]);
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```
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Reference: [https://github.com/shuding/better-all](https://github.com/shuding/better-all)
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