System.Random.MWC.Distributions:blocks from mwc-random-0.13.3.2

Time bar (total: 652.0ms)

analyze0.0ms (0.1%)

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

Compiled 7 to 5 computations (28.6% saved)

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

sample475.0ms (72.9%)

Results
323.0ms8256×0valid
Precisions
Click to see histograms. Total time spent on operations: 174.0ms
ival-mult: 161.0ms (92.5% of total)
const: 10.0ms (5.7% of total)
backward-pass: 2.0ms (1.1% of total)
Bogosity

preprocess47.0ms (7.1%)

Algorithm
egg-herbie
Rules
52×fma-define
22×distribute-lft-neg-in
16×fma-neg
16×associate-*r*
16×distribute-lft-in
Iterations

Useful iterations: 1 (0.0ms)

IterNodesCost
01388
13276
27376
316876
424376
530176
Stop Event
saturated
Calls
Call 1
Inputs
(*.f64 (*.f64 x #s(literal 1/2 binary64)) x)
(*.f64 (*.f64 x #s(literal 1/2 binary64)) x)
(*.f64 (*.f64 (neg.f64 x) #s(literal 1/2 binary64)) (neg.f64 x))
(neg.f64 (*.f64 (*.f64 (neg.f64 x) #s(literal 1/2 binary64)) (neg.f64 x)))
Outputs
(*.f64 (*.f64 x #s(literal 1/2 binary64)) x)
(*.f64 x (*.f64 x #s(literal 1/2 binary64)))
(*.f64 (*.f64 x #s(literal 1/2 binary64)) x)
(*.f64 x (*.f64 x #s(literal 1/2 binary64)))
(*.f64 (*.f64 (neg.f64 x) #s(literal 1/2 binary64)) (neg.f64 x))
(*.f64 x (*.f64 x #s(literal 1/2 binary64)))
(neg.f64 (*.f64 (*.f64 (neg.f64 x) #s(literal 1/2 binary64)) (neg.f64 x)))
(*.f64 (*.f64 #s(literal 1/2 binary64) (neg.f64 x)) (neg.f64 (neg.f64 x)))
(*.f64 x (*.f64 x #s(literal -1/2 binary64)))
(*.f64 #s(literal -1/2 binary64) (*.f64 x x))
Symmetry

(abs x)

explain49.0ms (7.6%)

FPErrors
Click to see full error table
Ground TruthOverpredictionsExampleUnderpredictionsExampleSubexpression
00-0-x
00-0-#s(literal 1/2 binary64)
00-0-(*.f64 (*.f64 x #s(literal 1/2 binary64)) x)
00-0-(*.f64 x #s(literal 1/2 binary64))
Results
33.0ms512×0valid
Compiler

Compiled 30 to 20 computations (33.3% saved)

Precisions
Click to see histograms. Total time spent on operations: 18.0ms
ival-mult: 16.0ms (91.4% of total)
const: 1.0ms (5.7% of total)
backward-pass: 0.0ms (0% of total)

eval0.0ms (0%)

Compiler

Compiled 6 to 4 computations (33.3% saved)

prune1.0ms (0.1%)

Alt Table
Click to see full alt table
StatusAccuracyProgram
100.0%
(*.f64 (*.f64 x #s(literal 1/2 binary64)) x)
Compiler

Compiled 6 to 4 computations (33.3% saved)

localize43.0ms (6.5%)

Results
37.0ms256×0valid
Compiler

Compiled 12 to 8 computations (33.3% saved)

Precisions
Click to see histograms. Total time spent on operations: 6.0ms
ival-mult: 5.0ms (85.6% of total)
const: 1.0ms (17.1% of total)
backward-pass: 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%
(*.f64 (*.f64 x #s(literal 1/2 binary64)) x)
Compiler

Compiled 12 to 8 computations (33.3% saved)

simplify2.0ms (0.3%)

Algorithm
egg-herbie
Rules
*-commutative
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0819
11019
Stop Event
saturated
Calls
Call 1
Inputs
(*.f64 (*.f64 x #s(literal 1/2 binary64)) x)
Outputs
(*.f64 (*.f64 x #s(literal 1/2 binary64)) x)
(*.f64 x (*.f64 x #s(literal 1/2 binary64)))

soundness0.0ms (0.1%)

Stop Event
done
Compiler

Compiled 6 to 4 computations (33.3% saved)

preprocess34.0ms (5.2%)

Remove

(abs x)

Compiler

Compiled 48 to 32 computations (33.3% saved)

end0.0ms (0%)

Profiling

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