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dmcq (dmcq.delete@this.fano.co.uk) on December 2, 2014 5:32 pm wrote: > It seems ARM have decided that atomic operations are a good idea > > http://community.arm.com/groups/processors/blog/2014/12/02/the-armv8-a-architecture-and-its-ongoing-development > > they are sticking a whole load of atomic operations into their 64 bit ARM architecture as > well as the current acquire and release and memory exclusive ones. I'd guess so the operation > can be exported to the cache or whereever and done there quickly but it is interesting that > they think it worthwhile to implement these as well as all the other special memory operations > they have. They will now have a quite amazing range of memory access operations. > > The link also describes a number of other additions they are making, they seem to be targetting > large systems. Still no transactional memory or decimal floating point like POWER yet though ;-)