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

analyze0.0ms (0%)

Algorithm

1×

Search

Probability	Valid	Unknown	Precondition	Infinite	Domain	Can't	Iter
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

Operation ival-mult, time spent: 0.0ms, 0.0% of total-time

Operation const, time spent: 0.0ms, 0.0% of total-time

sample678.0ms (69.8%)

Results

399.0ms	6206×	256	valid
122.0ms	2049×	256	infinite
0.0ms	1×	256	valid

Precisions

Click to see histograms. Total time spent on operations: 140.0ms

Operation ival-mult, time spent: 127.0ms, 91.0% of total-time

Operation const, time spent: 12.0ms, 9.0% of total-time

Bogosity

preprocess191.0ms (19.6%)

Algorithm

1×	egg-herbie

Rules

104×	`fma-define`
44×	`distribute-lft-neg-in`
32×	`fma-neg`
32×	`associate-r`
32×	`distribute-lft-in`

FPErrors

Click to see full error table

Example	Example	Subexpression
-	-	`x`
-	-	`1/2`
-	-	`(.f64 (.f64 x 1/2) x)`
-	-	`(*.f64 x 1/2)`

Iterations

Useful iterations: 1 (0.0ms)

Iter	Nodes	Cost
0	13	88
1	32	76
2	73	76
3	168	76
4	243	76
5	301	76

Stop Event

1×

saturated

Calls

Call 1

Inputs
(.f64 (.f64 x 1/2) x)
(.f64 (.f64 x 1/2) x)
(.f64 (.f64 (neg.f64 x) 1/2) (neg.f64 x))
(neg.f64 (.f64 (.f64 (neg.f64 x) 1/2) (neg.f64 x)))

Outputs
(.f64 (.f64 x 1/2) x)
(.f64 x (.f64 x 1/2))
(.f64 (.f64 x 1/2) x)
(.f64 x (.f64 x 1/2))
(.f64 (.f64 (neg.f64 x) 1/2) (neg.f64 x))
(.f64 x (.f64 x 1/2))
(neg.f64 (.f64 (.f64 (neg.f64 x) 1/2) (neg.f64 x)))
(.f64 (.f64 1/2 (neg.f64 x)) (neg.f64 (neg.f64 x)))
(.f64 x (.f64 x -1/2))
(.f64 -1/2 (.f64 x x))

Symmetry

(abs x)

Results

113.0ms	373×	256	valid
15.0ms	138×	256	infinite
0.0ms	1×	256	valid

Compiler

Compiled 30 to 20 computations (33.3% saved)

Precisions

Click to see histograms. Total time spent on operations: 42.0ms

Operation ival-mult, time spent: 40.0ms, 96.0% of total-time

Operation const, time spent: 1.0ms, 2.0% of total-time

eval0.0ms (0%)

Compiler: Compiled 6 to 4 computations (33.3% saved)

prune1.0ms (0.1%)

Alt Table

Click to see full alt table

Status	Accuracy	Program
▶	100.0%	(.f64 (.f64 x 1/2) x)

Compiler

Compiled 6 to 4 computations (33.3% saved)

localize37.0ms (3.8%)

Results

19.0ms	186×	256	valid
5.0ms	69×	256	infinite
0.0ms	1×	256	valid

Compiler

Compiled 12 to 8 computations (33.3% saved)

Precisions

Click to see histograms. Total time spent on operations: 6.0ms

Operation ival-mult, time spent: 5.0ms, 83.0% of total-time

Operation const, time spent: 1.0ms, 17.0% of total-time

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)

	Kept	Total
New	0	0
Fresh	0	0
Picked	1	1
Done	0	0
Total	1	1

Accuracy

100.0%

Counts

1 → 1

Alt Table

Click to see full alt table

Status	Accuracy	Program
✓	100.0%	(.f64 (.f64 x 1/2) x)

Compiler

Compiled 12 to 8 computations (33.3% saved)

simplify2.0ms (0.2%)

Algorithm

1×	egg-herbie

Rules

4×	`*-commutative`

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	8	19
1	10	19

Stop Event

1×	done
1×	saturated

Calls

Call 1

Inputs
(.f64 (.f64 x 1/2) x)

Outputs
(.f64 (.f64 x 1/2) x)
(.f64 x (.f64 x 1/2))

Compiler

Compiled 6 to 4 computations (33.3% saved)

soundness0.0ms (0%)

end0.0ms (0%)

preprocess62.0ms (6.3%)

Remove: (abs x)
Compiler: Compiled 48 to 32 computations (33.3% saved)

analyze0.0ms (0%)

sample678.0ms (69.8%)

preprocess191.0ms (19.6%)

eval0.0ms (0%)

prune1.0ms (0.1%)

localize37.0ms (3.8%)

eval0.0ms (0%)

prune1.0ms (0.1%)

simplify2.0ms (0.2%)

soundness0.0ms (0%)

end0.0ms (0%)

preprocess62.0ms (6.3%)

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