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在Apple M1下简单测试xtensa toolchain
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没忍住还是买了MacBook Air M1乞丐版(8GB内存 / 256G硬盘)。我平时常用的软件比较轻量，低配版应该足够应付日常工作。这里简单测试一下esp32的编译工具xtensa toolchain，测试的esp-idf版本为v4.2
xtensa x86_64
日常项目编译时间为47秒，这个需要Rosetta 2转译，但是仍然比之前的Intel I3 8100快了不少idf.py build 233.45s user 60.71s system 629% cpu 46.757 total
xtensa aarch64
首先参考这里的介绍安装Apple M1版本的xtensa toolchain。编译速度起飞，仅需26秒idf.py build 87.23s user 28.12s system 444% cpu 25.940 total
- Tags ESP32
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