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The term "fast" refers to "speed". To express speed, you need to specify amount and time.

If a process takes 70ms to complete, then it's speed is 14,29 times per second (1 / 0,07)

If a process takes 80ms to complete, then it's speed is 12,5 times per second.

so, the speed of 70ms is (14,29/12,5) times faster than 80ms's speed = 14,289 % faster....

On Tue, May 15, 2018 at 8:19 AM, Albert Chan <> wrote:
Is 70ms 14 or 12% faster than 80ms ?

Reading many stackoverflow response, I am still confused.
Most answers claimed (1 - 70/80), or 12.5% faster

If the math is right, it is impossible to be 100% faster.
10 times faster (1000%) is meaningless (time is negative)

I normally avoid using "percentage faster", and prefer ratio:
Speed at 80/70 = 1.14X


Alysson Cunha / AlyssonRPG - Jogue o tradicional RPG de mesa online - Me conheça melhor