x (used to be hard to sample)

Time bar (total: 700.0ms)

analyze0.0ms (0%)

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

Compiled 9 to 6 computations (33.3% saved)

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

sample606.0ms (86.5%)

Results
441.0ms8256×0valid
Precisions
Click to see histograms. Total time spent on operations: 136.0ms
ival-==: 108.0ms (79.7% of total)
ival-or: 14.0ms (10.3% of total)
const: 11.0ms (8.1% of total)
backward-pass: 3.0ms (2.2% of total)
Bogosity

preprocess40.0ms (5.7%)

Algorithm
egg-herbie
Rules
fma-define
1-exp
distribute-lft-neg-in
*-commutative
associate--r+
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0720
11420
22620
34420
45720
Stop Event
saturated
Calls
Call 1
Inputs
x
x
(neg.f64 x)
(neg.f64 (neg.f64 x))
Outputs
x
x
(neg.f64 x)
(neg.f64 (neg.f64 x))
x
Symmetry

(negabs x)

explain24.0ms (3.4%)

FPErrors
Click to see full error table
Ground TruthOverpredictionsExampleUnderpredictionsExampleSubexpression
00-0-x
Results
16.0ms512×256valid
Compiler

Compiled 8 to 5 computations (37.5% saved)

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

eval0.0ms (0%)

Compiler

Compiled 1 to 1 computations (0% saved)

prune0.0ms (0%)

Alt Table
Click to see full alt table
StatusAccuracyProgram
100.0%
x
Compiler

Compiled 2 to 1 computations (50% saved)

localize11.0ms (1.6%)

Results
8.0ms256×256valid
Compiler

Compiled 3 to 2 computations (33.3% saved)

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

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%
x
Compiler

Compiled 4 to 2 computations (50% saved)

simplify2.0ms (0.2%)

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
044
Stop Event
saturated
Calls
Call 1
Inputs
x
Outputs
x

soundness0.0ms (0%)

Stop Event
done
Compiler

Compiled 2 to 1 computations (50% saved)

preprocess16.0ms (2.3%)

Remove

(negabs x)

Compiler

Compiled 16 to 8 computations (50% saved)

end0.0ms (0%)

Profiling

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