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That's a great point. Are there any 64 bit ARM chips on the horizon? I don't know much about chips, so maybe it's not even possible given the architecture.
by jbrennan 16y ago
That's a great point. Are there any 64 bit ARM chips on the horizon? I don't know much about chips, so maybe it's not even possible given the architecture.
- 1amzave 16y agoI don't recall hearing any announced, though I wouldn't be surprised at all if it were currently in the works. The A15 mentioned in the article, however, I believe has something in the spirit of x86's PAE that offers an expanded (36 bits or so?) physical address space, for better or for worse (better in that you can address more memory, worse in that it's kind of an ugly hack and not a great long-term solution).
- ryanpetrich 16y agoIt's possible, but just like the x86-64 transition it won't be pretty.
- protomyth 16y agoIt might go better for ARM given that most of the more tightly controlled software that is delivered on ARMs (app store or custom embedded).
- mfukar 16y agoI'm curious; have you faced any problems in that transition? (seriously, I'm not trying to troll. I've had exactly one - making sure a project of mine would compile as PIC and that was pretty minor after the required reading)
- ryanpetrich 16y agoThere haven't been any major issues, it's just been glacially slow. Most software running on capable CPUs is still 32 bit, Visual Studio still doesn't have first class support for 64 bit and my MacBook still runs a 32 bit kernel. I expect ARM's transition to be quite different though--with the highest ends of their business moving in only a couple product cycles, and the lower ends of their business sticking with 32 bit indefinitely.
- protomyth 16y agoThere were a lot of stories in the 2000 time frame, but nothing seems to have been actually done.