Logistic function from Lakshay Garg

Time bar (total: 4.8s)

analyze0.0ms (0%)

Algorithm
search
Search
ProbabilityValidUnknownPreconditionInfiniteDomainCan'tIter
0%0%99.9%0.1%0%0%0%0
100%99.9%0%0.1%0%0%0%1
Compiler

Compiled 13 to 12 computations (7.7% saved)

Precisions
Click to see histograms. Total time spent on operations: 0.0ms
Operation ival-sub, time spent: 0.0ms, 0.0% of total-time
Operation const, time spent: 0.0ms, 0.0% of total-time
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-mult, time spent: 0.0ms, 0.0% of total-time

sample2.7s (56.3%)

Results
837.0ms4311×0valid
426.0ms1653×1valid
580.0ms1343×2valid
665.0ms948×3valid
0.0ms1valid
Precisions
Click to see histograms. Total time spent on operations: 1.4s
Operation ival-exp, time spent: 559.0ms, 39.0% of total-time
Operation ival-add, time spent: 282.0ms, 19.0% of total-time
Operation ival-sub, time spent: 267.0ms, 18.0% of total-time
Operation ival-mult, time spent: 141.0ms, 10.0% of total-time
Operation ival-div, time spent: 137.0ms, 9.0% of total-time
Operation const, time spent: 63.0ms, 4.0% of total-time
Bogosity

preprocess1.4s (29.4%)

Algorithm
egg-herbie
Rules
1060×fma-def
974×associate-*l/
668×unswap-sqr
594×sub-neg
568×div-sub
FPErrors
Click to see full error table
Ground TruthOverpredictionsExampleUnderpredictionsExampleSubexpression
00-0-x
00-0-(/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x))))
00-0-(*.f64 -2 x)
00-0-(exp.f64 (*.f64 -2 x))
00-0-(+.f64 1 (exp.f64 (*.f64 -2 x)))
00-0-2
00-0--2
00-0-1
00-0-(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) 1)
Iterations

Useful iterations: 2 (0.0ms)

IterNodesCost
029240
156232
2107224
3186224
4312224
5707224
62267224
74453224
87003224
Stop Event
node limit
Calls
Call 1
Inputs
(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) 1)
(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) 1)
(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 (neg.f64 x))))) 1)
(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) 1)
(neg.f64 (-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 (neg.f64 x))))) 1))
(neg.f64 (-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) 1))
(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 y)))) 1)
Outputs
(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) 1)
(+.f64 (/.f64 2 (+.f64 1 (pow.f64 (exp.f64 -2) x))) -1)
(+.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) -1)
(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) 1)
(+.f64 (/.f64 2 (+.f64 1 (pow.f64 (exp.f64 -2) x))) -1)
(+.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) -1)
(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 (neg.f64 x))))) 1)
(+.f64 (/.f64 2 (+.f64 1 (pow.f64 (exp.f64 -2) (neg.f64 x)))) -1)
(+.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 2 x)))) -1)
(+.f64 (/.f64 2 (+.f64 1 (pow.f64 (exp.f64 2) x))) -1)
(+.f64 (/.f64 2 (+.f64 1 (pow.f64 (exp.f64 x) 2))) -1)
(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) 1)
(+.f64 (/.f64 2 (+.f64 1 (pow.f64 (exp.f64 -2) x))) -1)
(+.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) -1)
(neg.f64 (-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 (neg.f64 x))))) 1))
(neg.f64 (+.f64 (/.f64 2 (+.f64 1 (pow.f64 (exp.f64 -2) (neg.f64 x)))) -1))
(+.f64 (neg.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 2 x))))) 1)
(+.f64 1 (/.f64 -2 (+.f64 1 (pow.f64 (exp.f64 2) x))))
(+.f64 1 (/.f64 -2 (+.f64 1 (pow.f64 (exp.f64 x) 2))))
(neg.f64 (-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) 1))
(neg.f64 (+.f64 (/.f64 2 (+.f64 1 (pow.f64 (exp.f64 -2) x))) -1))
(+.f64 (neg.f64 (/.f64 2 (+.f64 1 (pow.f64 (exp.f64 -2) x)))) 1)
(+.f64 1 (/.f64 -2 (+.f64 1 (exp.f64 (*.f64 -2 x)))))
(+.f64 1 (/.f64 -2 (+.f64 1 (pow.f64 (exp.f64 -2) x))))
(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 y)))) 1)
(+.f64 (/.f64 2 (+.f64 1 (pow.f64 (exp.f64 -2) y))) -1)
Symmetry

(abs y)

Compiler

Compiled 88 to 75 computations (14.8% saved)

Precisions
Click to see histograms. Total time spent on operations: 1.0s
Operation ival-exp, time spent: 553.0ms, 53.0% of total-time
Operation ival-add, time spent: 189.0ms, 18.0% of total-time
Operation ival-mult, time spent: 140.0ms, 13.0% of total-time
Operation ival-div, time spent: 65.0ms, 6.0% of total-time
Operation ival-sub, time spent: 59.0ms, 6.0% of total-time
Operation const, time spent: 38.0ms, 4.0% of total-time

eval1.0ms (0%)

Compiler

Compiled 22 to 20 computations (9.1% saved)

prune1.0ms (0%)

Alt Table
Click to see full alt table
StatusAccuracyProgram
52.8%
(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) 1)
Compiler

Compiled 12 to 11 computations (8.3% saved)

localize647.0ms (13.5%)

Compiler

Compiled 38 to 32 computations (15.8% saved)

Precisions
Click to see histograms. Total time spent on operations: 533.0ms
Operation ival-exp, time spent: 286.0ms, 54.0% of total-time
Operation ival-add, time spent: 94.0ms, 18.0% of total-time
Operation ival-mult, time spent: 67.0ms, 13.0% of total-time
Operation ival-div, time spent: 37.0ms, 7.0% of total-time
Operation ival-sub, time spent: 30.0ms, 6.0% of total-time
Operation const, time spent: 19.0ms, 4.0% of total-time

eval0.0ms (0%)

Compiler

Compiled 2 to 2 computations (0% saved)

prune1.0ms (0%)

Pruning

1 alts after pruning (0 fresh and 1 done)

PrunedKeptTotal
New000
Fresh000
Picked011
Done000
Total011
Accuracy
52.8%
Counts
1 → 1
Alt Table
Click to see full alt table
StatusAccuracyProgram
52.8%
(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) 1)
Compiler

Compiled 24 to 22 computations (8.3% saved)

simplify3.0ms (0.1%)

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

Useful iterations: 0 (0.0ms)

IterNodesCost
01432
12332
22732
33032
43332
53632
Stop Event
done
saturated
Calls
Call 1
Inputs
(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) 1)
Outputs
(-.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) 1)
(+.f64 (/.f64 2 (+.f64 1 (exp.f64 (*.f64 -2 x)))) -1)
Compiler

Compiled 12 to 11 computations (8.3% saved)

soundness0.0ms (0%)

end0.0ms (0%)

preprocess29.0ms (0.6%)

Remove

(abs y)

Compiler

Compiled 96 to 88 computations (8.3% saved)

Profiling

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