expm1 (example 3.7)

Time bar (total: 1.8s)

analyze0.0ms (0%)

Algorithm
search
Search
ProbabilityValidUnknownPreconditionInfiniteDomainCan'tIter
0%0%50%50%0%0%0%0
100%50%0%50%0%0%0%1
Compiler

Compiled 9 to 7 computations (22.2% saved)

sample1.4s (80.4%)

Results
893.0ms4130×body1024valid
266.0ms2037×body512valid
140.0ms434×body2048valid
138.0ms1655×body256valid
Bogosity

preprocess195.0ms (10.8%)

Algorithm
egg-herbie
Rules
1460×fma-def
828×associate--r+
794×cancel-sign-sub-inv
652×distribute-lft-in
574×distribute-neg-in
FPErrors
Click to see full error table
truthopredexupredexsubexpr
2550-0-(-.f64 (exp.f64 x) 1)
10-0-#f
00-0-x
00-0-1
00-0-(exp.f64 x)
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01344
12644
24544
36944
411244
522644
653144
7160344
8456244
Stop Event
node limit
Calls
Call 1
Inputs
(-.f64 (exp.f64 x) 1)
(-.f64 (exp.f64 x) 1)
(-.f64 (exp.f64 (neg.f64 x)) 1)
(neg.f64 (-.f64 (exp.f64 (neg.f64 x)) 1))
Outputs
(-.f64 (exp.f64 x) 1)
(expm1.f64 x)
(-.f64 (exp.f64 x) 1)
(expm1.f64 x)
(-.f64 (exp.f64 (neg.f64 x)) 1)
(expm1.f64 (neg.f64 x))
(neg.f64 (-.f64 (exp.f64 (neg.f64 x)) 1))
(neg.f64 (expm1.f64 (neg.f64 x)))
Compiler

Compiled 25 to 16 computations (36% 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%
(expm1.f64 x)
100.0%
(expm1.f64 x)
Compiler

Compiled 6 to 4 computations (33.3% saved)

localize14.0ms (0.8%)

Compiler

Compiled 5 to 3 computations (40% saved)

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%
(expm1.f64 x)
Compiler

Compiled 10 to 7 computations (30% saved)

regimes9.0ms (0.5%)

Accuracy

Total -59.0b remaining (-∞%)

Threshold costs -59b (-∞%)

Counts
2 → 1
Calls
Call 1
Inputs
(expm1.f64 x)
(-.f64 (exp.f64 x) 1)
Outputs
(expm1.f64 x)
Calls

3 calls:

5.0ms
x
2.0ms
(-.f64 (exp.f64 x) 1)
2.0ms
(exp.f64 x)
Results
AccuracySegmentsBranch
100.0%1x
100.0%1(-.f64 (exp.f64 x) 1)
100.0%1(exp.f64 x)
Compiler

Compiled 17 to 12 computations (29.4% saved)

simplify1.0ms (0.1%)

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
068
Stop Event
done
saturated
Calls
Call 1
Inputs
(expm1.f64 x)
Outputs
(expm1.f64 x)
Compiler

Compiled 3 to 2 computations (33.3% saved)

soundness99.0ms (5.5%)

Rules
1460×fma-def
828×associate--r+
794×cancel-sign-sub-inv
652×distribute-lft-in
574×distribute-neg-in
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01344
12644
24544
36944
411244
522644
653144
7160344
8456244
Stop Event
node limit
Compiler

Compiled 7 to 5 computations (28.6% saved)

end0.0ms (0%)

preprocess32.0ms (1.8%)

Compiler

Compiled 22 to 16 computations (27.3% saved)

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