Re: Estimation of memory alloc for luaL_loadfile
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- Subject: Re: Estimation of memory alloc for luaL_loadfile
- From: Gerhard Sittig <gerhard.sittig@...>
- Date: 2023年7月29日 00:01:04 +0200
On Fri, 2023年07月28日 at 14:28 -0300, Roberto Ierusalimschy wrote:
>
> My question was really about the internal alignment. Even if a file
> starts aligned, it would need internal padding to keep its structures
> and arrays aligned. The standard Lua binary format doesn't do that.
> Maybe eLua doesn't store the code using the standard Lua binary format?
ARM processors at least since v7, probably before that, support
misaligned memory access. May cost a few extra cycles, but works
transparently. That's why developers don't notice. And some don't
care at all and purposely create non-portable code (think packed
structs). WorksForThem(TM), seems to be popular.
virtually yours
Gerhard Sittig
--
If you don't understand or are scared by any of the above
ask your parents or an adult to help you.
- References:
- Estimation of memory alloc for luaL_loadfile, bil til
- Re: Estimation of memory alloc for luaL_loadfile, bil til
- Re: Estimation of memory alloc for luaL_loadfile, 云风 Cloud Wu
- Re: Estimation of memory alloc for luaL_loadfile, bil til
- Re: Estimation of memory alloc for luaL_loadfile, Bogdan Marinescu
- Re: Estimation of memory alloc for luaL_loadfile, Roberto Ierusalimschy
- Re: Estimation of memory alloc for luaL_loadfile, Bogdan Marinescu
- Re: Estimation of memory alloc for luaL_loadfile, Roberto Ierusalimschy
- Re: Estimation of memory alloc for luaL_loadfile, Bogdan Marinescu
- Re: Estimation of memory alloc for luaL_loadfile, Roberto Ierusalimschy