alt Hacker NewsThis question strikes me as somewhat obtuse, but I will attempt an answer:
NVIDIA and AMD.
These are only two GPU manufacturers of any significance. (Intel is also a player, but not a major one.)
They supply SDKs (drivers and libraries required for software development) for their products that support C and C++ and precious little else.
There have been attempts to reverse engineer the toolchains in Rust but as I understand it they are not yet mature.
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The Zig group claims that Zig can interop with C based libraries w/o too much work. It's one of the reasons I'm digging into it now. But I don't know anything about CUDA and have only done trivial Zig<=>C tests (like my Zig code working with libpng) so far. Are their claims BS? Is Zig just not mature enough? Something else?
Apple's Metal is C++ too. Like, actual, you can compile it with plain C++ compiler and a shim header.