ENA, Section 1.4, Exercise 4d

Time bar (total: 3.6s)

start0.0ms (0%)

Memory
0.0MiB live, 0.0MiB allocated

analyze13.0ms (0.4%)

Memory
-2.2MiB live, 5.6MiB allocated
Algorithm
1×search
Search
ProbabilityValidUnknownPreconditionInfiniteDomainCan'tIter
0%0%12.8%87.2%0%0%0%0
0%0%12.8%87.2%0%0%0%1
0%0%12.8%87.2%0%0%0%2
50%6.4%6.4%87.2%0%0%0%3
57.1%6.4%4.8%87.2%0%1.6%0%4
69.2%7.2%3.2%87.2%0%2.4%0%5
75%7.2%2.4%87.2%0%3.2%0%6
82.6%7.6%1.6%87.2%0%3.6%0%7
86.4%7.6%1.2%87.2%0%4%0%8
90.7%7.8%0.8%87.2%0%4.2%0%9
92.6%7.8%0.6%87.2%0%4.4%0%10
95%7.9%0.4%87.2%0%4.5%0%11
96.3%8%0.3%87.2%0%4.5%0%12
Compiler

Compiled 24 to 18 computations (25% saved)

sample29.0ms (0.8%)

Memory
4.1MiB live, 11.6MiB allocated
Samples
8.0ms159×0valid
8.0ms78×1valid
3.0ms23×2valid
0.0ms3×0invalid
Precisions
Click to see histograms. Total time spent on operations: 13.0ms
ival-sub: 3.0ms (22.3% of total)
adjust: 2.0ms (14.9% of total)
ival-sqrt: 2.0ms (14.9% of total)
ival-mult: 2.0ms (14.9% of total)
ival-<=: 2.0ms (14.9% of total)
ival-and: 1.0ms (7.4% of total)
ival-assert: 0.0ms (0% of total)
exact: 0.0ms (0% of total)
Bogosity

explain3.5s (97.5%)

Memory
17.4MiB live, 1 768.5MiB allocated
FPErrors
Click to see full error table
Ground TruthOverpredictionsExampleUnderpredictionsExampleSubexpression
1080-0-(-.f64 x (sqrt.f64 (-.f64 (*.f64 x x) eps)))
00-0-eps
00-0-(sqrt.f64 (-.f64 (*.f64 x x) eps))
00-0-(-.f64 (*.f64 x x) eps)
00-0-(*.f64 x x)
00-0-x
Explanations
Click to see full explanations table
OperatorSubexpressionExplanationCount
-.f64(-.f64 x (sqrt.f64 (-.f64 (*.f64 x x) eps)))cancellation1080
Confusion
Predicted +Predicted -
+1080
-0148
Precision
1.0
Recall
1.0
Confusion?
Predicted +Predicted MaybePredicted -
+10800
-00148
Precision?
1.0
Recall?
1.0
Freqs
test
numberfreq
0148
1108
Total Confusion?
Predicted +Predicted MaybePredicted -
+100
-000
Precision?
1.0
Recall?
1.0
Total Time
19.487060546875
Average Time
0.07612133026123047
Samples
631.0ms14 130×0valid
631.0ms6 840×1valid
272.0ms2 070×2valid
Compiler

Compiled 3 780 to 1 260 computations (66.7% saved)

Precisions
Click to see histograms. Total time spent on operations: 893.0ms
ival-sub: 275.0ms (30.8% of total)
ival-sqrt: 225.0ms (25.2% of total)
ival-mult: 206.0ms (23.1% of total)
adjust: 161.0ms (18% of total)
ival-true: 17.0ms (1.9% of total)
ival-assert: 8.0ms (0.9% of total)

preprocess23.0ms (0.6%)

Memory
6.2MiB live, 6.2MiB allocated
Algorithm
1×egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01846
14344
211841
327841
448841
555741
656841
068
0108
1148
2228
3348
4528
5948
61618
72068
82898
93198
103358
03358
Stop Event
1×iter limit
1×saturated
1×iter limit
1×saturated
Calls
Call 1
Inputs
(-.f64 x (sqrt.f64 (-.f64 (*.f64 x x) eps)))
Outputs
(-.f64 x (sqrt.f64 (-.f64 (*.f64 x x) eps)))
Compiler

Compiled 8 to 6 computations (25% saved)

eval0.0ms (0%)

Memory
0.0MiB live, 0.0MiB allocated
Compiler

Compiled 0 to 2 computations (-∞% saved)

prune1.0ms (0%)

Memory
0.4MiB live, 0.4MiB allocated
Alt Table
Click to see full alt table
StatusAccuracyProgram
62.5%
(-.f64 x (sqrt.f64 (-.f64 (*.f64 x x) eps)))
Compiler

Compiled 16 to 12 computations (25% saved)

simplify22.0ms (0.6%)

Memory
-8.1MiB live, 18.5MiB allocated
Algorithm
1×egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
068
1108
2188
3228
4248
Stop Event
1×saturated
Calls
Call 1
Inputs
(-.f64 x (sqrt.f64 (-.f64 (*.f64 x x) eps)))
Outputs
(-.f64 x (sqrt.f64 (-.f64 (*.f64 x x) eps)))

soundness0.0ms (0%)

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

Compiled 8 to 6 computations (25% saved)

preprocess1.0ms (0%)

Memory
1.0MiB live, 1.0MiB allocated
Compiler

Compiled 52 to 38 computations (26.9% saved)

end0.0ms (0%)

Memory
0.0MiB live, 0.0MiB allocated

Profiling

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