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                ??一站式輕松地調用各大LLM模型接口,支持GPT4、智譜、豆包、星火、月之暗面及文生圖、文生視頻 廣告
                - `-Xint`表示強制解釋執行 - 內聯調用是工程師能直接參與JIT優化的環節。 ---- ![](https://img.kancloud.cn/30/83/3083024352e7cfc5713f7a65992e5ab8_498x174.png) 默認會優化成機器碼 ---- ![](https://img.kancloud.cn/d9/d3/d9d38b43754dde66105a5f04781ba2d6_742x212.png) 解釋執行,即不優化 ---- ![](https://img.kancloud.cn/d0/9c/d09cebcdfc1be2efdc651a3583a15269_746x218.png) 默認會優化成機器碼,但不進行內聯優化 ---- ![](https://img.kancloud.cn/24/44/2444d5224be54d68e26dea7f6f5539a0_1260x174.png) ---- ```shell java -XX:+UnlockDiagnosticVMOptions -XX:+PrintInlining -XX:+PrintCompilation com/ttyc/sbz/jmh/jit/HotCodeTest | grep -E 'getMsg|echo' ``` ![](https://img.kancloud.cn/01/98/01986664f6883c9588a69c12ebd6c5ce_784x274.png) 內聯通常有如下信息顯示,指示內聯是否成功 - inline(hot):表示方法被標記為內聯 - callee is to large:C1打印,指示方法超過MaxInlineSize而不能內聯 - hot method too big:C2打印,指示方法大小超過FreqInlineSize - already compiled into a big method:內聯一個已經編譯的方法,大小超過了InlineSmallCode值 **因此我們可以觀察方法是否被內聯,以及沒有被內聯的原因。** 編程建議: - 更小的方法體,JVM總是偏好更小的方法 - 盡量使用final、private、static修飾符 > 方法內聯不僅可以消除調用本身帶來的性能開銷,還可以進一步觸發更多的優化。因此,它可以算是編譯優化里最為重要的一環。(極客時間)
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