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- Subject: Re: Follow-on from does Lua need a JIT - making Lua's interpreter faster
- From: Daurnimator <quae@...>
- Date: Fri, 24 Feb 2017 01:21:25 +1100
On 24 February 2017 at 00:26, Dibyendu Majumdar <mobile@majumdar.org.uk> wrote:
> I also realise that the 64-bit integer support prevents use of the NaN
> trick in representing values, and this has a performance impact due to
> inability to use 8-byte values.
This may not be able to live on for too much longer.
ARM64 is already at 52 bits, and X86-64 just got extended to 56 bits:
https://lwn.net/Articles/714824/
