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

Guillaume Piolat first.last at
Sat Jan 15 17:29:35 UTC 2022

On Saturday, 15 January 2022 at 12:21:37 UTC, Ola Fosheim Grøstad 
>> Definitely. Homogenous memory is interesting for the ability 
>> to make GPUs do the things GPUs are good at and leave the rest 
>> to the CPU without worrying about memory transfer across the 
>> PCI-e. Something which CUDA can't take advantage of on account 
>> of nvidia GPUs being only discrete.
> Steam Deck, which appears to come out next month, seems to run 
> under Linux and has an "AMD APU" with a modern GPU and CPU 
> integrated on the same chip

Related: has anyone here seen an actual measured performance gain 
from co-located CPU and GPU on the same chip? I used to test with 
OpenCL + Intel SoC and again, it was underwhelming and not 
faster. I'd be happy to know about other experiences.

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