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OpenCL

biubiuty
Journeyman III
‎02-28-2018 11:07 PM

Double-precision atomic add support?

Dear Forum,

I'm wondering if currently (2018 March) any AMD GPU has hardware support for double-precision atomic addition in OpenCL. I'm not referring to the software solution where you can just emulate double-precision atomic add by compare-and-swap-ing the value.

Thanks for any information.

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dipak
Big Boss
‎03-05-2018 02:10 AM

AFAIK, we do not currently have any hardware support for double precision floating point atomic operations.

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