性能数据中如果Bad_Speculation占比超过20%，超过TMA 1%-5%较多，是否定义为性能瓶颈？Bad_Speculation占比较高一般是什么导致的呢，求解答
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The issue body is empty and names no files, tests, or entry points. Start by locating the project context for the Bad_Speculation and TMA metrics, then determine whether the stated thresholds define a bottleneck and document the supported causes of a high Bad_Speculation ratio.
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Assessment
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- performance
- Issue type
- Documentation
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- Over a week
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