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posts/faster-jit-plan.md

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```
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I implemented the pass to do the lifetime analysis in CPython's JIT optimizer [earlier this year](https://github.com/python/cpython/issues/134584) in CPython. However, as no bytecodes are converted yet, we don't see a speedup. We do see a speedup in microbenchmarks such as nbody of about [6%](https://github.com/python/cpython/pull/135465#issuecomment-3009304472). The key idea however, is that this now unblocks the register allocator, allowing it to do this:
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I implemented the pass to do the lifetime analysis in CPython's JIT optimizer [earlier this year](https://github.com/python/cpython/issues/134584) in CPython. However, as almost no bytecodes are converted yet, we don't see a speedup. We do see a speedup in microbenchmarks such as nbody of about [6%](https://github.com/python/cpython/pull/135465#issuecomment-3009304472). The key idea however, is that this now unblocks the register allocator, allowing it to do this:
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```
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LOAD_BORROW_REG_0_1 x

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