Claude
5a370f8c78
Profiling showed document updates dominated by O(n) sorted-array splices; the chunked map makes inserts O(log n + chunk). Baselines recorded in DESIGN.md. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017Qxbkp4tA7G5SCWjzWuxmE
28 lines
914 B
TypeScript
28 lines
914 B
TypeScript
import { bench, describe } from 'vitest'
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import { InMemoryKVDriver } from '../src/kv/memory.js'
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import { KVStorage } from '../src/kv/node.js'
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import { KVEventStorage } from '../src/events/kv.js'
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const events = new KVEventStorage(new KVStorage(new InMemoryKVDriver()))
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const streams = events.child('streams')
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const long = streams.child('long')
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for (let i = 0; i < 10_000; i++) await long.append([{ type: 'tick', i }])
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let s = 0
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describe('events', () => {
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bench('append 1 event (warm head cache)', async () => {
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await streams.append(`s${s++ % 1000}`, [{ type: 'e' }])
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})
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bench('read 100 events from version 5000 of 10k', async () => {
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for await (const _ of long.read({ from: 5000, limit: 100 })) {
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}
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})
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bench('read full 10k-event stream', async () => {
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for await (const _ of long.read()) {
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}
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})
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bench('version() (cold head lookup)', async () => {
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await long.version()
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})
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})
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