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| Comment on "Strong" and "weak" hardware memory models by Ragavendra Natarajan
“ARM GPUs currently have a stronger memory model, namely fully SC”. I’ve been reading about ARM GPU memory models and cannot find a reference that states they have SC model. Can you please provide a reference for this? Read More »Comment on "Strong" and "weak" hardware memory models by Herb Sutter
@Ragavendra: If I wrote a formal reference on a paper it would be: “Jem Davies and Richard Grisenthwaite, personal communication, June 2012.” Jem and Richard are The Guys — the primary ARM processor and memory model architects — and what I wrote and presented in the talk was the summary of the ARM v8 CPU and GPU memory models that ARM approved for me to report publicly at that time for this talk. Specifically, as of that writing, ARM GPUs had no equivalent of load-acquire store-release instructions because they didn’t need them. Read More » | ||||
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Friday, November 15, 2013
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