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51 lines
2.0 KiB
51 lines
2.0 KiB
import { LoadScheduler } from '../../mx/module/res/LoadScheduler';
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import { DeviceCapability } from './DeviceCapability';
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import { MEMORY_PROFILE, MemoryTierConfig, MemoryTierId } from './memory-profile.json';
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import { ThermalProfile } from './ThermalProfile';
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/** Boot 读取：按运行时设备能力选 Tier，驱动预载并行 / Tab 卸载 / 降档开关 */
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export class MemoryProfile {
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private static _tier: MemoryTierId = MEMORY_PROFILE.defaultTier;
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private static _config: MemoryTierConfig = MEMORY_PROFILE.tiers[MEMORY_PROFILE.defaultTier];
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private static _resolved = false;
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static resolve(): void {
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if (this._resolved) return;
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this._resolved = true;
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DeviceCapability.resolve();
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this._tier = DeviceCapability.memoryTier;
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this._config = MEMORY_PROFILE.tiers[this._tier] ?? MEMORY_PROFILE.tiers[MEMORY_PROFILE.defaultTier];
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}
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static get tier(): MemoryTierId {
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this.resolve();
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return this._tier;
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}
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static get current(): MemoryTierConfig {
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this.resolve();
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return this._config;
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}
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/** 将档位写入 LoadScheduler（Boot 后调用；切档后可再调） */
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static applyLoadPolicy(): void {
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this.resolve();
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const cfg = this.current;
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const scheduler = LoadScheduler.getInstance();
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scheduler.setSilentMaxConcurrent(cfg.silentPreloadParallel);
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scheduler.setSilentBudgetMs(cfg.silentBudgetMs);
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scheduler.setSilentGapMs(cfg.silentDownloadGapMs);
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ThermalProfile.resolve();
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scheduler.setSilentBudgetScale(ThermalProfile.current.hallLoadBudgetScale);
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scheduler.setBackgroundBudgetScale(ThermalProfile.current.hallLoadBudgetScale);
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}
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/** 平台探测完成后若档位变化，重载 LoadScheduler 策略 */
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static reapplyAfterProbe(): void {
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const prev = this._tier;
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this._resolved = false;
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this.resolve();
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if (this._tier === prev) return;
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this.applyLoadPolicy();
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}
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}
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