Okay looks like FFI is the only way to go, Thanks. Cheers, Oleksandr.
On Sun, Sep 27, 2009 at 9:50 PM, wren ng thornton <[email protected]> wrote: > Olex P wrote: > >> Hi, >> >> Yes, I mean "sizeOf 2". It's useful not only on GPUs but also in "normal" >> software. Think of huge data sets in computer graphics (particle clouds, >> volumetric data, images etc.) Some data (normals, density, temperature and >> so on) can be easily represented as float 16 making files 200 GB instead >> of >> 300 GB. Good benefits. >> > > I think, if you're going to want any kind of performance and portability, > then you'll have to use the FFI to wrap some C code that performs the > primops. From there you can define the instances for Floating, RealFloat, > etc. to use them like normal types in Haskell. > > There are a number of embedded systems that still use 24-bit floating > registers, so it'd be nice to provide both Float16 and Float24. But since > these aren't natively supported in C, it's not clear how best to write the > primops so they're portable across GPUs and embedded systems. > > -- > Live well, > ~wren > > _______________________________________________ > Haskell-Cafe mailing list > [email protected] > http://www.haskell.org/mailman/listinfo/haskell-cafe >
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