Can not pass test with Cuda-Double (While Cuda-Single Can) [SOLVED]
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Please have a look at ~abinit/doc/config/build-config.ac in the source package for detailed and up-to-date information about the configuration of Abinit 8 builds.
For a video explanation on how to build Abinit 7.x for Linux, please go to: http://www.youtube.com/watch?v=DppLQ-KQA68.
IMPORTANT: when an answer solves your problem, please check the little green V-like button on its upper-right corner to accept it.
Can not pass test with Cuda-Double (While Cuda-Single Can)
Hi, I'm wondering why cuda-double flavor had worse precision and performance than cuda-single did.
Last edited by falsafi on Tue Apr 19, 2016 3:14 am, edited 2 times in total.
Re: Can not pass test with Cuda-Double (While Cuda-Single Ca [SOLVED]
I wouldn't worry too much about GPU issues, because they will bring an interesting speed-up only in specific cases. If your hardware is a bit outdated, MPI and OpenMP will do a pretty good job already.
Yann Pouillon
Simune Atomistics
Donostia-San Sebastián, Spain
Simune Atomistics
Donostia-San Sebastián, Spain