iltgcl的专栏

Dalvik JIT工作流程（翻译+重新整理） 作者：JaRod 发布时间：October 31, 2012 分类：原创技术 Dalvik JIT是以trace为单位进行编译的，什么是trace请参考这里 首先，我们需要找到JIT的入口点，在Dalvik VM里面这是在汇编解释器中的common_updateProfile 基本的工作流程: 首先需要注意的是，并不是一上来J

Dalvik opcodes Author: Gabor Paller Vx values in the table denote aDalvik register. Depending on the instruction, 16, 256 or 64k registerscan be accessed. Operations on long and double values

Yes, the simple hash function in footer.S is loose by design and will definitely trigger false positive "hot" traces.   Note, though, that as far as triggering an actual trace compilation request, t

This is a demonstration of how simple and enjoyable small JITs (just-in-time compilers) can be. The word "JIT" tends to invoke an image of deepest wizardry, something that only teams of the most har

Your observation is actually correct - the initial transition from the interpreter to JIT'ed code requires the the Dalvik PC to be executed for at least 2N + 1 times. N is the profiling threshold as y