Metrics for math.log/1 on complex, imaginary part

start0.0ms (0%)

Memory: 0.1MiB live, 0.1MiB allocated; 0ms collecting garbage

analyze1.0ms (0.1%)

Memory

2.9MiB live, 2.9MiB allocated; 0ms collecting garbage

Algorithm

1×

Search

Probability	Valid	Unknown	Precondition	Infinite	Domain	Can't	Iter
0%	0%	99.9%	0.1%	0%	0%	0%	0
0%	0%	99.9%	0.1%	0%	0%	0%	1
50%	50%	50%	0.1%	0%	0%	0%	2
75%	74.9%	25%	0.1%	0%	0%	0%	3
87.5%	87.4%	12.5%	0.1%	0%	0%	0%	4
93.8%	93.7%	6.2%	0.1%	0%	0%	0%	5
96.9%	96.8%	3.1%	0.1%	0%	0%	0%	6
98.4%	98.3%	1.6%	0.1%	0%	0%	0%	7
99.2%	99.1%	0.8%	0.1%	0%	0%	0%	8
99.6%	99.5%	0.4%	0.1%	0%	0%	0%	9
99.8%	99.7%	0.2%	0.1%	0%	0%	0%	10
99.9%	99.8%	0.1%	0.1%	0%	0%	0%	11
100%	99.9%	0%	0.1%	0%	0%	0%	12

Compiler

Compiled 5 to 5 computations (0% saved)

sample741.0ms (83.5%)

Memory

4.2MiB live, 980.4MiB allocated; 289ms collecting garbage

Samples

472.0ms

8 256×

valid

Precisions

Click to see histograms. Total time spent on operations: 89.0ms

ival-atan2: 79.0ms (88.8% of total)

ival-true: 5.0ms (5.6% of total)

ival-assert: 3.0ms (3.4% of total)

adjust: 2.0ms (2.2% of total)

Bogosity

explain58.0ms (6.6%)

Memory

33.4MiB live, 77.6MiB allocated; 5ms collecting garbage

FPErrors

Click to see full error table

Example	Example	Subexpression
-	-	`re`
-	-	`(atan2.f64 im re)`
-	-	`im`

Confusion

	Predicted +	Predicted -
+	0	0
-	0	256

Precision

0/0

Recall

0/0

Confusion?

	Predicted +	Predicted Maybe	Predicted -
+	0	0	0
-	0	0	256

Precision?

0/0

Recall?

0/0

Freqs

test

number	freq
0	256

Total Confusion?

	Predicted +	Predicted Maybe	Predicted -
+	0	0	0
-	0	0	1

Precision?

0/0

Recall?

0/0

Samples

16.0ms

512×

valid

Compiler

Compiled 17 to 13 computations (23.5% saved)

Precisions

Click to see histograms. Total time spent on operations: 5.0ms

ival-atan2: 4.0ms (78.5% of total)

ival-true: 0.0ms (0% of total)

adjust: 0.0ms (0% of total)

ival-assert: 0.0ms (0% of total)

preprocess16.0ms (1.8%)

Memory

-12.1MiB live, 33.1MiB allocated; 4ms collecting garbage

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	9	21
0	3	3
0	4	3
0	4	3

Stop Event

1×	iter limit
1×	saturated
1×	iter limit
1×	saturated

Calls

Call 1

Inputs
(atan2.f64 im re)

Outputs
(atan2.f64 im re)

Compiler

Compiled 3 to 3 computations (0% saved)

eval0.0ms (0%)

Memory: 0.1MiB live, 0.1MiB allocated; 0ms collecting garbage
Compiler: Compiled 0 to 2 computations (-∞% saved)

prune0.0ms (0%)

Memory

0.9MiB live, 0.9MiB allocated; 0ms collecting garbage

Alt Table

Click to see full alt table

Status	Accuracy	Program
▶	100.0%	(atan2.f64 im re)

Compiler

Compiled 3 to 3 computations (0% saved)

simplify3.0ms (0.4%)

Memory

5.5MiB live, 5.5MiB allocated; 0ms collecting garbage

Localize:

Found 1 expressions of interest:

New	Metric	Score	Program
cost-diff	0	(atan2.f64 im re)

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	3	5
0	4	5
0	4	5

Stop Event

1×	iter limit
1×	saturated
1×	iter limit

Calls

Call 1

Inputs
(atan2.f64 im re)
im
re

Outputs
(atan2.f64 im re)
im
re

localize25.0ms (2.8%)

Memory

-30.9MiB live, 21.7MiB allocated; 11ms collecting garbage

Localize:

Found 1 expressions of interest:

New	Metric	Score	Program
accuracy	0.0	(atan2.f64 im re)

Samples

22.0ms

256×

valid

Compiler

Compiled 7 to 5 computations (28.6% saved)

Precisions

Click to see histograms. Total time spent on operations: 2.0ms

ival-atan2: 2.0ms (81.3% of total)

ival-true: 0.0ms (0% of total)

adjust: 0.0ms (0% of total)

ival-assert: 0.0ms (0% of total)

series0.0ms (0.1%)

Memory

1.4MiB live, 1.4MiB allocated; 0ms collecting garbage

Counts

1 → 1

Calls

Call 1

Inputs
(atan2.f64 im re)

Outputs
#s(approx (atan2 im re) #s(hole binary64 (atan2 im re)))

Calls

6 calls:

Time	Variable		Point	Expression
0.0ms	re	@	-inf	((atan2 im re))
0.0ms	im	@	-inf	((atan2 im re))
0.0ms	re	@	0	((atan2 im re))
0.0ms	re	@	inf	((atan2 im re))
0.0ms	im	@	inf	((atan2 im re))

simplify3.0ms (0.4%)

Memory

7.6MiB live, 7.6MiB allocated; 0ms collecting garbage

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	4	7
0	4	7

Stop Event

1×	iter limit
1×	saturated

Counts

1 → 1

Calls

Call 1

Inputs
#s(approx (atan2 im re) #s(hole binary64 (atan2 im re)))

Outputs
#s(approx (atan2 im re) #s(hole binary64 (atan2 im re)))
#s(approx (atan2 im re) (atan2.f64 im re))

rewrite16.0ms (1.8%)

Memory

-4.8MiB live, 38.7MiB allocated; 6ms collecting garbage

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	3	3
0	4	3
0	4	3

Stop Event

1×	iter limit
1×	saturated
1×	iter limit

Counts

1 → 1

Calls

Call 1

Inputs
(atan2.f64 im re)

Outputs
(atan2.f64 im re)

eval0.0ms (0%)

Memory: 0.8MiB live, 0.8MiB allocated; 0ms collecting garbage
Compiler: Compiled 10 to 5 computations (50% saved)

prune1.0ms (0.1%)

Memory

2.7MiB live, 2.7MiB allocated; 0ms collecting garbage

Pruning

1 alts after pruning (0 fresh and 1 done)

	Pruned	Kept	Total
New	2	0	2
Fresh	0	0	0
Picked	0	1	1
Done	0	0	0
Total	2	1	3

Accuracy

100.0%

Counts

3 → 1

Alt Table

Click to see full alt table

Status	Accuracy	Program
✓	100.0%	(atan2.f64 im re)

Compiler

Compiled 6 to 6 computations (0% saved)

simplify8.0ms (0.9%)

Memory

24.6MiB live, 24.6MiB allocated; 0ms collecting garbage

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	3	3

Stop Event

1×

saturated

Calls

Call 1

Inputs
(atan2.f64 im re)

Outputs
(atan2.f64 im re)

derivations0.0ms (0%)

Memory

0.7MiB live, 0.7MiB allocated; 0ms collecting garbage

Stop Event

1×

done

Compiler

Compiled 3 to 3 computations (0% saved)

preprocess13.0ms (1.4%)

Memory: -8.6MiB live, 36.6MiB allocated; 5ms collecting garbage
Compiler: Compiled 12 to 12 computations (0% saved)

end0.0ms (0%)

Memory: 0.0MiB live, 0.0MiB allocated; 0ms collecting garbage

start0.0ms (0%)

analyze1.0ms (0.1%)

sample741.0ms (83.5%)

explain58.0ms (6.6%)

preprocess16.0ms (1.8%)

eval0.0ms (0%)

prune0.0ms (0%)

simplify3.0ms (0.4%)

localize25.0ms (2.8%)

series0.0ms (0.1%)

simplify3.0ms (0.4%)

rewrite16.0ms (1.8%)

eval0.0ms (0%)

prune1.0ms (0.1%)

simplify8.0ms (0.9%)

derivations0.0ms (0%)

preprocess13.0ms (1.4%)

end0.0ms (0%)

Profiling