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Change default compression threshold (#12306)

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This commit is contained in:
Tommaso Sciortino
2025-10-30 13:46:41 -07:00
committed by GitHub
parent b382ae6803
commit 68afb7200e
1 changed files with 5 additions and 7 deletions
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12
packages/core/src/services/chatCompressionService.ts
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@@ -17,10 +17,10 @@ import { makeChatCompressionEvent } from '../telemetry/types.js';
import { getInitialChatHistory } from '../utils/environmentContext.js'; import { getInitialChatHistory } from '../utils/environmentContext.js';
/** /**
* Threshold for compression token count as a fraction of the model's token limit. * Default threshold for compression token count as a fraction of the model's
* If the chat history exceeds this threshold, it will be compressed. * token limit. If the chat history exceeds this threshold, it will be compressed.
*/ */
export const COMPRESSION_TOKEN_THRESHOLD = 0.7; export const DEFAULT_COMPRESSION_TOKEN_THRESHOLD = 0.2;
/** /**
* The fraction of the latest chat history to keep. A value of 0.3 * The fraction of the latest chat history to keep. A value of 0.3
@@ -104,13 +104,11 @@ export class ChatCompressionService {
const originalTokenCount = uiTelemetryService.getLastPromptTokenCount(); const originalTokenCount = uiTelemetryService.getLastPromptTokenCount();
const contextPercentageThreshold =
config.getChatCompression()?.contextPercentageThreshold;
// Don't compress if not forced and we are under the limit. // Don't compress if not forced and we are under the limit.
if (!force) { if (!force) {
const threshold = const threshold =
contextPercentageThreshold ?? COMPRESSION_TOKEN_THRESHOLD; config.getChatCompression()?.contextPercentageThreshold ??
DEFAULT_COMPRESSION_TOKEN_THRESHOLD;
if (originalTokenCount < threshold * tokenLimit(model)) { if (originalTokenCount < threshold * tokenLimit(model)) {
return { return {
newHistory: null, newHistory: null,