math.log/1 on complex, real part

Time bar (total: 1.5s)

analyze122.0ms (8%)

Algorithm
search
Search
ProbabilityValidUnknownPreconditionInfiniteDomainCan'tIter
0%0%99.9%0.1%0%0%0%0
0%0%99.9%0.1%0%0%0%1
0%0%99.9%0.1%0%0%0%2
0%0%99.9%0.1%0%0%0%3
0%0%99.9%0.1%0%0%0%4
18.8%18.7%81.2%0.1%0%0%0%5
34.4%34.3%65.6%0.1%0%0%0%6
54.7%54.6%45.3%0.1%0%0%0%7
64.8%64.8%35.1%0.1%0%0%0%8
76.2%76.1%23.8%0.1%0%0%0%9
81.8%81.8%18.1%0.1%0%0%0%10
87.8%87.7%12.2%0.1%0%0%0%11
90.8%90.7%9.2%0.1%0%0%0%12
Compiler

Compiled 12 to 8 computations (33.3% saved)

sample1.2s (76.9%)

Results
1.2s8256×body256valid
Bogosity

preprocess74.0ms (4.8%)

Algorithm
egg-herbie
Rules
186×fma-def
30×neg-sub0
28×distribute-lft-neg-in
28×unsub-neg
24×sub-neg
Problems
133×No Errors
123×(sqrt.f64 (+.f64 (*.f64 re re) (*.f64 im im)))
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
028127
155127
2102127
3184127
4281127
5320127
6330127
Stop Event
saturated
Calls
Call 1
Inputs
(log.f64 (sqrt.f64 (+.f64 (*.f64 re re) (*.f64 im im))))
(log.f64 (sqrt.f64 (+.f64 (*.f64 re re) (*.f64 im im))))
(log.f64 (sqrt.f64 (+.f64 (*.f64 (neg.f64 re) (neg.f64 re)) (*.f64 im im))))
(log.f64 (sqrt.f64 (+.f64 (*.f64 re re) (*.f64 (neg.f64 im) (neg.f64 im)))))
(neg.f64 (log.f64 (sqrt.f64 (+.f64 (*.f64 (neg.f64 re) (neg.f64 re)) (*.f64 im im)))))
(neg.f64 (log.f64 (sqrt.f64 (+.f64 (*.f64 re re) (*.f64 (neg.f64 im) (neg.f64 im))))))
(log.f64 (sqrt.f64 (+.f64 (*.f64 im im) (*.f64 re re))))
Outputs
(log.f64 (sqrt.f64 (+.f64 (*.f64 re re) (*.f64 im im))))
(log.f64 (hypot.f64 re im))
(log.f64 (sqrt.f64 (+.f64 (*.f64 re re) (*.f64 im im))))
(log.f64 (hypot.f64 re im))
(log.f64 (sqrt.f64 (+.f64 (*.f64 (neg.f64 re) (neg.f64 re)) (*.f64 im im))))
(log.f64 (hypot.f64 re im))
(log.f64 (sqrt.f64 (+.f64 (*.f64 re re) (*.f64 (neg.f64 im) (neg.f64 im)))))
(log.f64 (hypot.f64 re im))
(neg.f64 (log.f64 (sqrt.f64 (+.f64 (*.f64 (neg.f64 re) (neg.f64 re)) (*.f64 im im)))))
(neg.f64 (log.f64 (hypot.f64 re im)))
(neg.f64 (log.f64 (sqrt.f64 (+.f64 (*.f64 re re) (*.f64 (neg.f64 im) (neg.f64 im))))))
(neg.f64 (log.f64 (hypot.f64 re im)))
(log.f64 (sqrt.f64 (+.f64 (*.f64 im im) (*.f64 re re))))
(log.f64 (hypot.f64 re im))
Symmetry

(abs re)

(abs im)

(sort re im)

Compiler

Compiled 46 to 15 computations (67.4% saved)

eval0.0ms (0%)

Compiler

Compiled 6 to 4 computations (33.3% saved)

prune1.0ms (0.1%)

Alt Table
Click to see full alt table
StatusAccuracyProgram
100.0%
(log.f64 (hypot.f64 re im))
100.0%
(log.f64 (hypot.f64 re im))
Compiler

Compiled 12 to 8 computations (33.3% saved)

localize30.0ms (2%)

Compiler

Compiled 12 to 5 computations (58.3% saved)

eval0.0ms (0%)

Compiler

Compiled 2 to 2 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%
(log.f64 (hypot.f64 re im))
Compiler

Compiled 21 to 13 computations (38.1% saved)

regimes77.0ms (5.1%)

Accuracy

Total -29.7b remaining (-∞%)

Threshold costs -29.7b (-∞%)

Counts
2 → 1
Calls
Call 1
Inputs
(log.f64 (hypot.f64 re im))
(log.f64 (sqrt.f64 (+.f64 (*.f64 re re) (*.f64 im im))))
Outputs
(log.f64 (hypot.f64 re im))
Calls

7 calls:

60.0ms
im
3.0ms
(*.f64 re re)
3.0ms
re
3.0ms
(log.f64 (sqrt.f64 (+.f64 (*.f64 re re) (*.f64 im im))))
3.0ms
(sqrt.f64 (+.f64 (*.f64 re re) (*.f64 im im)))
Results
AccuracySegmentsBranch
100.0%1re
100.0%1im
100.0%1(log.f64 (sqrt.f64 (+.f64 (*.f64 re re) (*.f64 im im))))
100.0%1(sqrt.f64 (+.f64 (*.f64 re re) (*.f64 im im)))
100.0%1(+.f64 (*.f64 re re) (*.f64 im im))
100.0%1(*.f64 re re)
100.0%1(*.f64 im im)
Compiler

Compiled 61 to 37 computations (39.3% saved)

simplify1.0ms (0.1%)

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01017
Stop Event
done
saturated
Calls
Call 1
Inputs
(log.f64 (hypot.f64 re im))
Outputs
(log.f64 (hypot.f64 re im))
Compiler

Compiled 6 to 4 computations (33.3% saved)

soundness19.0ms (1.3%)

Rules
186×fma-def
30×neg-sub0
28×distribute-lft-neg-in
28×unsub-neg
24×sub-neg
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
028127
155127
2102127
3184127
4281127
5320127
6330127
Stop Event
saturated
Compiler

Compiled 15 to 9 computations (40% saved)

end0.0ms (0%)

preprocess27.0ms (1.7%)

Remove

(sort re im)

(abs im)

(abs re)

Compiler

Compiled 70 to 46 computations (34.3% saved)

Profiling

Loading profile data...