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Very interesting - many thanks! Edit: I’m a bit puzzled by the claim that Apple was selling Aarch64 before Arm had finished their first design - A7 announced a
by klelatti 4y ago
Very interesting - many thanks!
Edit: I’m a bit puzzled by the claim that Apple was selling Aarch64 before Arm had finished their first design - A7 announced at end 2013 but A53 appeared in 2012?
- NobodyNada 4y agoIt looks like A53 was announced in October 2012, but I’ve found no indication of whether the design was actually finished by then [0]. And remember that ARM just sells IP and other companies are responsible for manufacturing it; it doesn’t look like anyone actually produced A53 cores until 2015 [1] — whereas Apple was shipping actual consumer products with A7’s in them by October 2013. [0]: https://www.techspot.com/news/50656-arm-announces-64-bit-cortex-a57-and-cortex-a53-processors.html https://www.techspot.com/news/50656-arm-announces-64-bit-cor... [1]: https://en.wikichip.org/wiki/arm_holdings/microarchitectures/cortex-a53 https://en.wikichip.org/wiki/arm_holdings/microarchitectures...
- klelatti 4y agoVery fair point. OTOH there was a lot of detailed info on the A53 available in 2013 and SoCs were being announced with it. I suspect this thread may be slightly exaggerating the position but certainly the case that Apple were well ahead of all the competitors - and no doubt they were deeply involved in the ISA design.