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perf: optimize persist-delta snapshot reuse and diagnostics

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Youzini-afk
2026-04-13 18:21:07 +08:00
parent d7460f1618
commit e4ab3ac41d
8 changed files with 965 additions and 121 deletions
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42
tests/native-persist-delta-hook.mjs
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@@ -3,6 +3,7 @@ import assert from "node:assert/strict";
import {
buildPersistDelta,
evaluatePersistNativeDeltaGate,
resetPersistRecordSerializationCaches,
resolvePersistNativeDeltaBridgeMode,
resolvePersistNativeDeltaGateOptions,
shouldUseNativePersistDeltaForSnapshots,
@@ -36,6 +37,10 @@ assert.equal(fallbackDiagnostics.path, "js");
assert.equal(fallbackDiagnostics.requestedNative, false);
assert.equal(fallbackDiagnostics.usedNative, false);
assert.equal(Number.isFinite(fallbackDiagnostics.buildMs), true);
assert.equal(Number.isFinite(fallbackDiagnostics.prepareMs), true);
assert.equal(Number.isFinite(fallbackDiagnostics.lookupMs), true);
assert.equal(Number.isFinite(fallbackDiagnostics.jsDiffMs), true);
assert.equal(fallbackDiagnostics.serializationCacheMisses > 0, true);
const defaultGate = resolvePersistNativeDeltaGateOptions({});
assert.equal(defaultGate.minSnapshotRecords, 20000);
@@ -112,6 +117,9 @@ assert.equal(nativeDelta.runtimeMetaPatch.jsPatch, true);
assert.equal(nativeDiagnostics.path, "native-full");
assert.equal(nativeDiagnostics.requestedNative, true);
assert.equal(nativeDiagnostics.usedNative, true);
assert.equal(Number.isFinite(nativeDiagnostics.prepareMs), true);
assert.equal(Number.isFinite(nativeDiagnostics.nativeAttemptMs), true);
assert.equal(Number.isFinite(nativeDiagnostics.hydrateMs), true);
let payloadGateDiagnostics = null;
let payloadGateBuilderCalled = false;
@@ -134,6 +142,8 @@ assert.equal(payloadGateDiagnostics.path, "js");
assert.equal(payloadGateDiagnostics.nativeAttemptStatus, "gated-out");
assert.equal(payloadGateDiagnostics.gateAllowed, false);
assert.deepEqual(payloadGateDiagnostics.gateReasons, ["below-serialized-chars-threshold"]);
assert.equal(Number.isFinite(payloadGateDiagnostics.lookupMs), true);
assert.equal(Number.isFinite(payloadGateDiagnostics.jsDiffMs), true);
globalThis.__stBmeNativeBuildPersistDelta = (_before, _after, options = {}) => {
assert.equal(Boolean(options?.preparedDeltaInput), true);
@@ -168,6 +178,8 @@ assert.equal(compactDiagnostics.path, "native-compact-json");
assert.equal(compactDiagnostics.preparedBridgeMode, "json");
assert.equal(compactDiagnostics.requestedBridgeMode, "json");
assert.equal(compactDiagnostics.usedNative, true);
assert.equal(Number.isFinite(compactDiagnostics.nativeAttemptMs), true);
assert.equal(Number.isFinite(compactDiagnostics.hydrateMs), true);
let hashDiagnostics = null;
const hashNativeDelta = buildPersistDelta(beforeSnapshot, afterSnapshot, {
@@ -189,6 +201,36 @@ assert.equal(hashDiagnostics.path, "native-compact-hash");
assert.equal(hashDiagnostics.preparedBridgeMode, "hash");
assert.equal(hashDiagnostics.requestedBridgeMode, "hash");
assert.equal(hashDiagnostics.usedNative, true);
assert.equal(Number.isFinite(hashDiagnostics.nativeAttemptMs), true);
assert.equal(Number.isFinite(hashDiagnostics.hydrateMs), true);
let tokenCacheDiagnostics = null;
buildPersistDelta(
JSON.parse(JSON.stringify(beforeSnapshot)),
JSON.parse(JSON.stringify(afterSnapshot)),
{
onDiagnostics(snapshot) {
tokenCacheDiagnostics = snapshot;
},
},
);
assert.equal(tokenCacheDiagnostics.serializationCacheTokenHits > 0, true);
resetPersistRecordSerializationCaches();
let preparedCacheColdDiagnostics = null;
buildPersistDelta(beforeSnapshot, afterSnapshot, {
onDiagnostics(snapshot) {
preparedCacheColdDiagnostics = snapshot;
},
});
let preparedCacheWarmDiagnostics = null;
buildPersistDelta(beforeSnapshot, afterSnapshot, {
onDiagnostics(snapshot) {
preparedCacheWarmDiagnostics = snapshot;
},
});
assert.equal(preparedCacheColdDiagnostics.preparedRecordSetCacheMisses > 0, true);
assert.equal(preparedCacheWarmDiagnostics.preparedRecordSetCacheHits > 0, true);
delete globalThis.__stBmeNativeBuildPersistDelta;