ln(1 + x)

Time bar (total: 2.5s)

analyze2.0ms (0.1%)

Algorithm
search
Search
ProbabilityValidUnknownPreconditionInfiniteDomainCan'tIter
0%0%100%0%0%0%0%0
0%0%100%0%0%0%0%1
0%0%100%0%0%0%0%2
33.3%25%50%0%0%25%0%3
66.7%50%25%0%0%25%0%4
83.3%62.5%12.5%0%0%25%0%5
91.7%68.7%6.2%0%0%25%0%6
95.8%71.8%3.1%0%0%25%0%7
97.9%73.4%1.6%0%0%25%0%8
99%74.2%0.8%0%0%25%0%9
99.5%74.6%0.4%0%0%25%0%10
99.7%74.8%0.2%0%0%25%0%11
99.9%74.9%0.1%0%0%25%0%12
Compiler

Compiled 6 to 5 computations (16.7% saved)

sample2.2s (89.3%)

Results
1.3s2717×body1024valid
461.0ms3874×body256valid
294.0ms1389×body512valid
132.0ms276×body2048valid
0.0msbody256invalid
Bogosity

preprocess152.0ms (6.1%)

Algorithm
egg-herbie
Rules
104×fma-def
42×sub-neg
22×cancel-sign-sub-inv
20×associate-+l-
18×distribute-lft-neg-in
Problems
173×(log.f64 (+.f64 1 x))
83×No Errors
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01344
12544
23444
34344
45744
57444
610744
714244
816044
918344
1019744
1123244
1224744
1325244
1425344
Stop Event
saturated
Calls
Call 1
Inputs
(log.f64 (+.f64 1 x))
(log.f64 (+.f64 1 x))
(log.f64 (+.f64 1 (neg.f64 x)))
(neg.f64 (log.f64 (+.f64 1 (neg.f64 x))))
Outputs
(log.f64 (+.f64 1 x))
(log1p.f64 x)
(log.f64 (+.f64 1 x))
(log1p.f64 x)
(log.f64 (+.f64 1 (neg.f64 x)))
(log1p.f64 (neg.f64 x))
(neg.f64 (log.f64 (+.f64 1 (neg.f64 x))))
(neg.f64 (log1p.f64 (neg.f64 x)))
Compiler

Compiled 16 to 12 computations (25% saved)

eval0.0ms (0%)

Compiler

Compiled 3 to 2 computations (33.3% saved)

prune1.0ms (0%)

Alt Table
Click to see full alt table
StatusAccuracyProgram
100.0%
(log1p.f64 x)
100.0%
(log1p.f64 x)
Compiler

Compiled 6 to 4 computations (33.3% saved)

localize17.0ms (0.7%)

Compiler

Compiled 5 to 3 computations (40% saved)

eval0.0ms (0%)

Compiler

Compiled 1 to 1 computations (0% saved)

prune1.0ms (0%)

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%
(log1p.f64 x)
Compiler

Compiled 10 to 7 computations (30% saved)

regimes8.0ms (0.3%)

Accuracy

Total -39.8b remaining (-∞%)

Threshold costs -39.8b (-∞%)

Counts
2 → 1
Calls
Call 1
Inputs
(log1p.f64 x)
(log.f64 (+.f64 1 x))
Outputs
(log1p.f64 x)
Calls

3 calls:

3.0ms
x
2.0ms
(+.f64 1 x)
2.0ms
(log.f64 (+.f64 1 x))
Results
AccuracySegmentsBranch
100.0%1x
100.0%1(log.f64 (+.f64 1 x))
100.0%1(+.f64 1 x)
Compiler

Compiled 18 to 13 computations (27.8% saved)

simplify1.0ms (0%)

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
068
Stop Event
done
saturated
Calls
Call 1
Inputs
(log1p.f64 x)
Outputs
(log1p.f64 x)
Compiler

Compiled 3 to 2 computations (33.3% saved)

soundness54.0ms (2.2%)

Rules
104×fma-def
42×sub-neg
22×cancel-sign-sub-inv
20×associate-+l-
18×distribute-lft-neg-in
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01344
12544
23444
34344
45744
57444
610744
714244
816044
918344
1019744
1123244
1224744
1325244
1425344
Stop Event
saturated
Compiler

Compiled 7 to 5 computations (28.6% saved)

end0.0ms (0%)

preprocess32.0ms (1.3%)

Compiler

Compiled 56 to 42 computations (25% saved)

Profiling

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