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Tagged with floating-point alu
3 questions
40
votes
6
answers
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Why does Intel's Haswell chip allow floating point multiplication to be twice as fast as addition?
I was reading this very interesting question on Stack Overflow:
Is integer multiplication really done at the same speed as addition on a modern CPU?
One of the comments said:
"It's worth nothing ...
- 557
2
votes
2
answers
638
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Looking for a open-source ALU
I am looking for a open ALU to compute several equations like these:
y1 = e^((constant1 - x)^2/(2*x))
y2 = constant2/y1
y3 = y2*constant3 + x*constant4
Where x ...
- 965
0
votes
2
answers
184
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Are floating point numbers denormalised before the processor performs arithmetic operations on them? [closed]
Does the processor denormalise the numbers in IEEE 754 notation and normalise the result after storing or are the arithmetic operations performed on the numbers as they are?
I'm asking because in case ...
