Eccentricity of an ellipse

Time bar (total: 913.0ms)

start0.0ms (0%)

Memory
0.0MiB live, 0.0MiB allocated

analyze11.0ms (1.2%)

Memory
4.3MiB live, 4.3MiB allocated
Algorithm
search
Search
ProbabilityValidUnknownPreconditionInfiniteDomainCan'tIter
0%0%37.5%62.5%0%0%0%0
0%0%37.5%62.5%0%0%0%1
0%0%18.7%62.5%0%18.7%0%2
0%0%9.4%62.5%0%28.1%0%3
0%0%9.4%62.5%0%28.1%0%4
0%0%7%62.5%0%30.4%0%5
20%1.2%4.7%62.5%0%31.6%0%6
25%1.2%3.5%62.5%0%32.8%0%7
40%1.8%2.6%62.5%0%33.1%0%8
51.9%2%1.9%62.5%0%33.5%0%9
64.7%2.4%1.3%62.5%0%33.7%0%10
72.9%2.6%1%62.5%0%33.9%0%11
80.2%2.7%0.7%62.5%0%34%0%12
Compiler

Compiled 25 to 16 computations (36% saved)

sample26.0ms (2.9%)

Memory
2.1MiB live, 11.1MiB allocated
Samples
15.0ms260×0valid
2.0ms30×0invalid
Precisions
Click to see histograms. Total time spent on operations: 11.0ms
ival-mult: 3.0ms (26.2% of total)
ival-sqrt: 2.0ms (17.5% of total)
ival-<=: 2.0ms (17.5% of total)
ival-div: 1.0ms (8.7% of total)
ival-fabs: 1.0ms (8.7% of total)
ival-sub: 1.0ms (8.7% of total)
ival-and: 1.0ms (8.7% of total)
adjust: 0.0ms (0% of total)
ival-assert: 0.0ms (0% of total)
exact: 0.0ms (0% of total)
Bogosity

explain710.0ms (77.8%)

Memory
2.3MiB live, 566.4MiB allocated
FPErrors
Click to see full error table
Ground TruthOverpredictionsExampleUnderpredictionsExampleSubexpression
480-0-(/.f64 (-.f64 (*.f64 a a) (*.f64 b b)) (*.f64 a a))
00-0-(*.f64 a a)
00-0-a
00-0-b
00-0-(sqrt.f64 (fabs.f64 (/.f64 (-.f64 (*.f64 a a) (*.f64 b b)) (*.f64 a a))))
00-0-(fabs.f64 (/.f64 (-.f64 (*.f64 a a) (*.f64 b b)) (*.f64 a a)))
00-0-(-.f64 (*.f64 a a) (*.f64 b b))
00-0-(*.f64 b b)
Explanations
Click to see full explanations table
OperatorSubexpressionExplanationCount
/.f64(/.f64 (-.f64 (*.f64 a a) (*.f64 b b)) (*.f64 a a))u/u480
(*.f64 b b)underflow178
(-.f64 (*.f64 a a) (*.f64 b b))underflow48
(*.f64 a a)underflow48
(*.f64 a a)underflow48
Confusion
Predicted +Predicted -
+480
-0208
Precision
1.0
Recall
1.0
Confusion?
Predicted +Predicted MaybePredicted -
+4800
-00208
Precision?
1.0
Recall?
1.0
2:
4:
8:
16:
32:
64:
128:
256:
512:
1024:
2048:
Freqs
test
numberfreq
0208
148
Total Confusion?
Predicted +Predicted MaybePredicted -
+100
-000
Precision?
1.0
Recall?
1.0
Total Time
4.55517578125
Average Time
0.017793655395507813
Samples
170.0ms3 072×0valid
Compiler

Compiled 2 016 to 408 computations (79.8% saved)

Precisions
Click to see histograms. Total time spent on operations: 97.0ms
ival-mult: 36.0ms (37.2% of total)
ival-sqrt: 17.0ms (17.6% of total)
ival-div: 15.0ms (15.5% of total)
ival-fabs: 13.0ms (13.4% of total)
ival-sub: 12.0ms (12.4% of total)
ival-true: 2.0ms (2.1% of total)
adjust: 1.0ms (1% of total)
ival-assert: 1.0ms (1% of total)

preprocess141.0ms (15.5%)

Memory
2.8MiB live, 34.2MiB allocated
Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02267
18557
233857
3252957
4643757
0813
01413
13011
27511
319911
448211
5172311
6564511
0818110
Stop Event
iter limit
node limit
iter limit
node limit
Calls
Call 1
Inputs
(sqrt.f64 (fabs.f64 (/.f64 (-.f64 (*.f64 a a) (*.f64 b b)) (*.f64 a a))))
Outputs
(sqrt.f64 (fabs.f64 (/.f64 (-.f64 (*.f64 a a) (*.f64 b b)) (*.f64 a a))))
(sqrt.f64 (fabs.f64 (fma.f64 (/.f64 (/.f64 b a) a) b #s(literal -1 binary64))))
Symmetry

(abs b)

(abs a)

Compiler

Compiled 13 to 8 computations (38.5% saved)

eval0.0ms (0%)

Memory
0.0MiB live, 0.0MiB allocated
Compiler

Compiled 0 to 2 computations (-∞% saved)

prune1.0ms (0.1%)

Memory
-7.5MiB live, 0.4MiB allocated
Alt Table
Click to see full alt table
StatusAccuracyProgram
81.3%
(sqrt.f64 (fabs.f64 (/.f64 (-.f64 (*.f64 a a) (*.f64 b b)) (*.f64 a a))))
Compiler

Compiled 26 to 16 computations (38.5% saved)

simplify20.0ms (2.2%)

Memory
2.7MiB live, 18.6MiB allocated
Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0813
11613
22813
33713
44513
54913
65113
Stop Event
saturated
Calls
Call 1
Inputs
(sqrt.f64 (fabs.f64 (/.f64 (-.f64 (*.f64 a a) (*.f64 b b)) (*.f64 a a))))
Outputs
(sqrt.f64 (fabs.f64 (/.f64 (-.f64 (*.f64 a a) (*.f64 b b)) (*.f64 a a))))

soundness0.0ms (0%)

Memory
0.2MiB live, 0.2MiB allocated
Stop Event
fuel
Compiler

Compiled 13 to 8 computations (38.5% saved)

preprocess3.0ms (0.4%)

Memory
2.6MiB live, 2.6MiB allocated
Remove

(abs a)

(abs b)

Compiler

Compiled 156 to 96 computations (38.5% saved)

end0.0ms (0%)

Memory
0.0MiB live, 0.0MiB allocated

Profiling

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