Exp of sum of logs

Time bar (total: 1.2s)

analyze1.0ms (0%)

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%50%0.1%0%50%0%2
100%25%0%0.1%0%74.9%0%3
Compiler

Compiled 9 to 7 computations (22.2% saved)

Precisions
Click to see histograms. Total time spent on operations: 0.0ms
ival-log: 0.0ms (0% of total)
ival-add: 0.0ms (0% of total)
ival-exp: 0.0ms (0% of total)
const: 0.0ms (0% of total)

sample993.0ms (82.5%)

Results
661.0ms7245×0valid
96.0ms1011×0infinite
Precisions
Click to see histograms. Total time spent on operations: 372.0ms
ival-log: 228.0ms (61.3% of total)
ival-exp: 79.0ms (21.2% of total)
ival-add: 53.0ms (14.2% of total)
const: 8.0ms (2.1% of total)
backward-pass: 4.0ms (1.1% of total)
Bogosity

preprocess40.0ms (3.3%)

Algorithm
egg-herbie
Rules
23×fma-define
16×fma-neg
14×distribute-lft-neg-in
neg-sub0
neg-mul-1
Iterations

Useful iterations: 1 (0.0ms)

IterNodesCost
024183
14499
27799
311899
419199
521999
Stop Event
saturated
Calls
Call 1
Inputs
(exp.f64 (+.f64 (log.f64 a) (log.f64 b)))
(exp.f64 (+.f64 (log.f64 a) (log.f64 b)))
(exp.f64 (+.f64 (log.f64 (neg.f64 a)) (log.f64 b)))
(exp.f64 (+.f64 (log.f64 a) (log.f64 (neg.f64 b))))
(neg.f64 (exp.f64 (+.f64 (log.f64 (neg.f64 a)) (log.f64 b))))
(neg.f64 (exp.f64 (+.f64 (log.f64 a) (log.f64 (neg.f64 b)))))
(exp.f64 (+.f64 (log.f64 b) (log.f64 a)))
Outputs
(exp.f64 (+.f64 (log.f64 a) (log.f64 b)))
(*.f64 b a)
(exp.f64 (+.f64 (log.f64 a) (log.f64 b)))
(*.f64 b a)
(exp.f64 (+.f64 (log.f64 (neg.f64 a)) (log.f64 b)))
(*.f64 b (neg.f64 a))
(exp.f64 (+.f64 (log.f64 a) (log.f64 (neg.f64 b))))
(*.f64 b (neg.f64 a))
(neg.f64 (exp.f64 (+.f64 (log.f64 (neg.f64 a)) (log.f64 b))))
(*.f64 b a)
(neg.f64 (exp.f64 (+.f64 (log.f64 a) (log.f64 (neg.f64 b)))))
(*.f64 b a)
(exp.f64 (+.f64 (log.f64 b) (log.f64 a)))
(*.f64 b a)
Symmetry

(negabs a)

(negabs b)

(sort a b)

explain89.0ms (7.4%)

FPErrors
Click to see full error table
Ground TruthOverpredictionsExampleUnderpredictionsExampleSubexpression
16114(2.088759398862624e-264 2.9838307538792302e+60)6(7.724258119532722e-147 9.13653602566241e+130)(exp.f64 (+.f64 (log.f64 a) (log.f64 b)))
31(4.1499381783539173e-221 1.759436573595583e+218)2(2.000692634500525e-295 7.410294465047695e+298)(+.f64 (log.f64 a) (log.f64 b))
00-0-(log.f64 b)
00-0-(log.f64 a)
00-0-b
00-0-a
Results
54.0ms452×256valid
7.0ms60×256infinite
Compiler

Compiled 48 to 20 computations (58.3% saved)

Precisions
Click to see histograms. Total time spent on operations: 28.0ms
ival-log: 17.0ms (60.8% of total)
ival-exp: 6.0ms (21.5% of total)
ival-add: 4.0ms (14.3% of total)
const: 0.0ms (0% of total)

eval0.0ms (0%)

Compiler

Compiled 5 to 3 computations (40% saved)

prune1.0ms (0.1%)

Alt Table
Click to see full alt table
StatusAccuracyProgram
100.0%
(*.f64 b a)
Compiler

Compiled 5 to 3 computations (40% saved)

localize21.0ms (1.7%)

Results
14.0ms226×256valid
2.0ms30×256infinite
Compiler

Compiled 8 to 4 computations (50% saved)

Precisions
Click to see histograms. Total time spent on operations: 2.0ms
ival-mult: 2.0ms (85.9% of total)
const: 0.0ms (0% of total)

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%
(*.f64 b a)
Compiler

Compiled 16 to 10 computations (37.5% saved)

regimes9.0ms (0.8%)

Accuracy

Total -5.0b remaining (-∞%)

Threshold costs -5b (-∞%)

Counts
2 → 1
Calls
Call 1
Inputs
(*.f64 b a)
(exp.f64 (+.f64 (log.f64 a) (log.f64 b)))
Outputs
(*.f64 b a)
Calls

6 calls:

2.0ms
(exp.f64 (+.f64 (log.f64 a) (log.f64 b)))
1.0ms
a
1.0ms
(+.f64 (log.f64 a) (log.f64 b))
1.0ms
(log.f64 a)
1.0ms
(log.f64 b)
Results
AccuracySegmentsBranch
100.0%1a
100.0%1b
100.0%1(exp.f64 (+.f64 (log.f64 a) (log.f64 b)))
100.0%1(+.f64 (log.f64 a) (log.f64 b))
100.0%1(log.f64 a)
100.0%1(log.f64 b)
Compiler

Compiled 29 to 21 computations (27.6% saved)

simplify2.0ms (0.1%)

Algorithm
egg-herbie
Rules
*-commutative
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0813
1913
Stop Event
saturated
Calls
Call 1
Inputs
(*.f64 b a)
Outputs
(*.f64 b a)

soundness14.0ms (1.2%)

Rules
23×fma-define
16×fma-neg
14×distribute-lft-neg-in
neg-sub0
neg-mul-1
Iterations

Useful iterations: 1 (0.0ms)

IterNodesCost
024183
14499
27799
311899
419199
521999
Stop Event
done
saturated
Compiler

Compiled 34 to 16 computations (52.9% saved)

preprocess33.0ms (2.8%)

Remove

(sort a b)

(negabs b)

(negabs a)

Compiler

Compiled 96 to 60 computations (37.5% saved)

end0.0ms (0%)

Profiling

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