Re: Computed goto optimization of vanilla Lua

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• Subject: Re: Computed goto optimization of vanilla Lua
• From: Enrico Colombini <erix@...>
• Date: Fri, 5 Feb 2016 13:51:07 +0100

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On 05-Feb-16 13:19, Rodrigo Azevedo wrote:

Conclusion, "one computed goto -O3 -fno-gcse -fno-crossjumping" may
represent a real improvement.

I had bad surprises with -O3, such as added back and forth jumps that disrupted my critical code; I tend to avoid it. That happened with a low-end microcontroller, so it may or may not apply here.

--
 Enrico

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• References:
  • Computed goto optimization of vanilla Lua, Nagaev Boris
  • Re: Computed goto optimization of vanilla Lua, Roberto Ierusalimschy
  • Re: Computed goto optimization of vanilla Lua, Alex Silva
  • Re: Computed goto optimization of vanilla Lua, Rodrigo Azevedo

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