cgit-lua: to jit or not to jit
andrew.starks at trms.com
Tue Jan 14 04:17:06 CET 2014
On Monday, January 13, 2014, Jason A. Donenfeld wrote:
> > I don't have LuaJit installed and would not install it (and migrate
> > everything I do over to it) just to use a library. By way of example,
> > library may as well have been written for Python, for as much good as it
> > would be to me.
> > By contrast, if you stick to the subset of 5.2 that 5.1 supports, and /
> > use a bit of the luacomp library, then anyone with lua 5.1, luajit or Lua
> > 5.2 can use it.
> > The question, from a user's perspective is: what benefit are you giving
> > in exchange for locking me into luajit, as a dependency?
> > Even if I am using Luajit, that doesn't mean that I don't need to support
> > the current, mainline distribution and straight 5.1. So, I can't use your
> > library as a dependency, if this were the case.
> > It's easier for you if you like what the FFI gives you. Supporting the
> > common subset and using luacompat, as necessary, is the simplest, for the
> > user.
> > IMHO, of course
> That's a fairly compelling opinion. The only thing against it is the
> temptation of using FFI in the default scripts that we ship with cgit.
This is a great point, as well. Also, there are some spiciffic use cases
where speed might be critical and luajit has some common cases where it
really shines, no doubt.
But I suppose for the sake of giving users choice later on, it might
> be best, as you've said, to continue to support both, and let the user
I'll also say that I will make it a point to check this out. I hadn't heard
of the project before and it sounds interesting.
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