Hyperbolic secant

Time bar (total: 1.9s)

analyze0.0ms (0%)

Algorithm
search
Search
ProbabilityValidUnknownPreconditionInfiniteDomainCan'tIter
0%0%100%0%0%0%0%0
0%0%100%0%0%0%0%1
100%100%0%0%0%0%0%2
Compiler

Compiled 10 to 8 computations (20% saved)

Precisions
Click to see histograms. Total time spent on operations: 0.0ms
Operation ival-div, time spent: 0.0ms, 0.0% of total-time
Operation ival-add, time spent: 0.0ms, 0.0% of total-time
Operation ival-exp, time spent: 0.0ms, 0.0% of total-time
Operation ival-neg, time spent: 0.0ms, 0.0% of total-time
Operation const, time spent: 0.0ms, 0.0% of total-time

sample1.0s (52.6%)

Results
946.0ms8255×0valid
0.0ms0valid
Precisions
Click to see histograms. Total time spent on operations: 426.0ms
Operation ival-add, time spent: 176.0ms, 41.0% of total-time
Operation ival-exp, time spent: 116.0ms, 27.0% of total-time
Operation ival-div, time spent: 72.0ms, 17.0% of total-time
Operation ival-neg, time spent: 44.0ms, 10.0% of total-time
Operation const, time spent: 18.0ms, 4.0% of total-time
Bogosity

preprocess662.0ms (34.3%)

Algorithm
egg-herbie
Rules
1900×fma-def
826×fabs-mul
624×swap-sqr
592×*-commutative
446×fabs-div
FPErrors
Click to see full error table
Ground TruthOverpredictionsExampleUnderpredictionsExampleSubexpression
00-0-x
00-0-(exp.f64 (neg.f64 x))
00-0-(neg.f64 x)
00-0-(exp.f64 x)
00-0-(+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))
00-0-(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
00-0-2
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
017124
133124
259124
392124
4166124
5331124
6850124
72446124
83669124
94774124
106716124
Stop Event
node limit
Calls
Call 1
Inputs
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 (neg.f64 (neg.f64 x)))))
(neg.f64 (/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 (neg.f64 (neg.f64 x))))))
Outputs
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 (neg.f64 (neg.f64 x)))))
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
(neg.f64 (/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 (neg.f64 (neg.f64 x))))))
(/.f64 -2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
Symmetry

(abs x)

Compiler

Compiled 59 to 25 computations (57.6% saved)

Precisions
Click to see histograms. Total time spent on operations: 431.0ms
Operation ival-exp, time spent: 278.0ms, 64.0% of total-time
Operation ival-add, time spent: 119.0ms, 28.0% of total-time
Operation ival-div, time spent: 17.0ms, 4.0% of total-time
Operation ival-neg, time spent: 12.0ms, 3.0% of total-time
Operation const, time spent: 6.0ms, 1.0% of total-time

eval0.0ms (0%)

Compiler

Compiled 1 to 1 computations (0% saved)

prune1.0ms (0%)

Alt Table
Click to see full alt table
StatusAccuracyProgram
100.0%
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
Compiler

Compiled 9 to 7 computations (22.2% saved)

localize225.0ms (11.7%)

Compiler

Compiled 25 to 9 computations (64% saved)

Precisions
Click to see histograms. Total time spent on operations: 176.0ms
Operation ival-exp, time spent: 139.0ms, 79.0% of total-time
Operation ival-add, time spent: 22.0ms, 12.0% of total-time
Operation ival-div, time spent: 9.0ms, 5.0% of total-time
Operation ival-neg, time spent: 5.0ms, 3.0% of total-time
Operation const, time spent: 3.0ms, 2.0% of total-time

eval0.0ms (0%)

Compiler

Compiled 1 to 1 computations (0% saved)

prune1.0ms (0.1%)

Pruning

1 alts after pruning (0 fresh and 1 done)

PrunedKeptTotal
New000
Fresh000
Picked011
Done000
Total011
Accuracy
100.0%
Counts
1 → 1
Alt Table
Click to see full alt table
StatusAccuracyProgram
100.0%
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
Compiler

Compiled 18 to 14 computations (22.2% saved)

simplify2.0ms (0.1%)

Algorithm
egg-herbie
Rules
+-commutative
sub-neg
neg-mul-1
*-commutative
neg-sub0
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01231
11731
21931
32031
Stop Event
done
saturated
Calls
Call 1
Inputs
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
Outputs
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
Compiler

Compiled 9 to 7 computations (22.2% saved)

soundness0.0ms (0%)

end0.0ms (0%)

preprocess23.0ms (1.2%)

Remove

(abs x)

Compiler

Compiled 72 to 56 computations (22.2% saved)

Profiling

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