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The days when Intel could single handedly successfully introduce a new (incompatible) ISA are long gone (if it ever could). I expect they will stick with x86 fo
by klelatti 6y ago
The days when Intel could single handedly successfully introduce a new (incompatible) ISA are long gone (if it ever could). I expect they will stick with x86 for as long as possible.
- yjftsjthsd-h 6y ago> The days when Intel could single handedly successfully introduce a new (incompatible) ISA are long gone (if it ever could). Given itanium, I'd say they never could (although that could have been a fluke of that specific design)
- klelatti 6y agoIndeed and that was with HP. Look long enough back and you have iAPX 432!
- jecel 6y agoThere was also the three way ISA battle at Intel: 486 vs 860 vs 960. In the end they decided that legacy software was too valuable and redefined the 860 as a graphics co-processor and the 960 as a intelligent DMA to keep people from building Unix computers with them
- samus 6y agoItanium underdelivered on performance both in its native mode and in x86 emulation mode. Either of them could have tanked that design by themselves, but both applied.