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Hermes hangs or very slow compilation with react-native #180

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sofiageo opened this issue Jan 30, 2020 · 1 comment
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Hermes hangs or very slow compilation with react-native #180

sofiageo opened this issue Jan 30, 2020 · 1 comment

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@sofiageo
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sofiageo commented Jan 30, 2020 •
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Hello, I hope this is the correct repository to post this issue. I have a large JSON file (14MB) that is included as a module inside a react-native app. This file causes the optimization process of Hermes to hang, or is extremely slow.

I have a 8c/16t CPU and while I'm not sure if Hermes is using multiple cores, when it hangs it only uses 1 core at 100% for a long time, then I have to cancel the process. Is there a way to debug what's causing it ? As a workaround I have disabled the optimization flag for now.

version of Hermes is: 0.2.1
@sofiageo
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Damn, just noticed there is already #135 about this. However mine is only hanging on the optimization process of a release build, that's why I have no logs of what's wrong. I guess I should close this issue.

@DevFuan DevFuan mentioned this issue Jan 12, 2023
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