Scientific computing and parallel computing C++23/C++26

Guillaume Piolat first.last at
Fri Jan 14 09:39:58 UTC 2022

On Friday, 14 January 2022 at 00:56:32 UTC, Nicholas Wilson wrote:
> If you're thinking of "special compiler support" as what CUDA 
> does with its <<<>>>, then no, dcompute does all of that, but 
> not with special help from the compiler, only with what meta 
> programming and reflection is available to any other D program.
> It's D all the way down to the API calls. Obviously there is 
> special compiler support to turn D code into compute kernels.
> The main benefit of dcompute is turning kernel launches into 
> type safe one-liners, as opposed to brittle, type unsafe, 
> paragraphs of code.

Sound indeed less brittle than separate langage. In my time in 
CUDA I never got to use <<<>>>.

In OpenCL you'd have to templatize the string kernels quite 
quickly, and with CUDA you'd have to also make lots of entry 
points. Plus all the import problems, so I can see how it's 
better with LDC intrinsics.

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