Demo Results

Average Percentage Accurate: 87.2% → 97.2%
Time: 51.6s
Bad Runs: 0/9
Speedup: 1.5×

Output vs Input Accuracy

Each point represents a Herbie run below. Its horizontal position shows initial accuracy, and vertical position shows final accuracy. Points above the line are improved by Herbie.

Accuracy vs Speed

A joint speed-accuracy pareto curve. Accuracy is on the vertical axis, speed is on the horizontal axis. Up and to the right is better. The initial program is shown by the red square.
TestStartResult ?Target ?Time
subtraction fraction100.0%100.0%3.9s»
sqrt times99.2%99.6%1.9s»
neg log100.0%100.0%1.9s»
jeff quadratic root 271.9%88.1%15.6s»
jeff quadratic root 171.8%89.5%15.0s»
fabs fraction 2100.0%100.0%1.1s»
fabs fraction 191.5%97.9%9.0s»
exp neg sub100.0%100.0%1.2s»
sqrt sqr50.0%100.0%100.0%2.1s»