4 ms·
It appears that the double-pumped adds aren't used any more. I thought they would have been good to keep, Adds being so common.
by kristianp 10y ago
It appears that the double-pumped adds aren't used any more. I thought they would have been good to keep, Adds being so common.
- Tuna-Fish 10y agoThey are not used because with transistors that keep getting smaller but that don't get much faster, it's better to just have more add units in parallel than it is to run the ones you have faster. A modern Intel CPU effectively has 4 add units to the 2 of the P4.