Metrics for bug329 (missed optimization)

start0.0ms (0%)

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

analyze20.0ms (2%)

Memory

-24.4MiB live, 17.9MiB allocated; 20ms collecting garbage

Algorithm

1×

Search

Probability	Valid	Unknown	Precondition	Infinite	Domain	Can't	Iter
0%	0%	50%	50%	0%	0%	0%	0
0%	0%	50%	50%	0%	0%	0%	1
50%	25%	25%	50%	0%	0%	0%	2
50%	25%	25%	50%	0%	0%	0%	3
75%	37.5%	12.5%	50%	0%	0%	0%	4
75%	37.5%	12.5%	50%	0%	0%	0%	5
87.5%	43.7%	6.2%	50%	0%	0%	0%	6
87.5%	43.7%	6.2%	50%	0%	0%	0%	7
93.8%	46.8%	3.1%	50%	0%	0%	0%	8
93.8%	46.8%	3.1%	50%	0%	0%	0%	9
96.9%	48.4%	1.6%	50%	0%	0%	0%	10
96.9%	48.4%	1.6%	50%	0%	0%	0%	11
98.4%	49.2%	0.8%	50%	0%	0%	0%	12

Compiler

Compiled 8 to 7 computations (12.5% saved)

sample798.0ms (79.2%)

Memory

-48.4MiB live, 900.3MiB allocated; 261ms collecting garbage

Samples

550.0ms

8 256×

valid

Precisions

Click to see histograms. Total time spent on operations: 320.0ms

ival-div: 170.0ms (53.1% of total)

ival-atan: 73.0ms (22.8% of total)

ival->=: 63.0ms (19.7% of total)

exact: 7.0ms (2.2% of total)

ival-assert: 4.0ms (1.3% of total)

adjust: 2.0ms (0.6% of total)

Bogosity

explain43.0ms (4.3%)

Memory

27.9MiB live, 72.0MiB allocated; 10ms collecting garbage

FPErrors

Click to see full error table

Example	Example	Subexpression
-	-	`(/.f64 y x)`
-	-	`y`
-	-	`(atan.f64 (/.f64 y x))`
-	-	`x`

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

19.0ms

512×

valid

Compiler

Compiled 26 to 16 computations (38.5% saved)

Precisions

Click to see histograms. Total time spent on operations: 8.0ms

ival-div: 4.0ms (50.4% of total)

ival-atan: 3.0ms (37.8% of total)

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

adjust: 0.0ms (0% of total)

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

preprocess62.0ms (6.2%)

Memory

-23.4MiB live, 21.5MiB allocated; 4ms collecting garbage

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	12	26
1	14	26
0	4	4
0	6	4
0	6	4

Stop Event

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

Calls

Call 1

Inputs
(atan.f64 (/.f64 y x))

Outputs
(atan.f64 (/.f64 y x))

Compiler

Compiled 4 to 4 computations (0% saved)

eval0.0ms (0%)

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

prune1.0ms (0.1%)

Memory

1.8MiB live, 1.8MiB allocated; 0ms collecting garbage

Alt Table

Click to see full alt table

Status	Accuracy	Program
▶	100.0%	(atan.f64 (/.f64 y x))

Compiler

Compiled 4 to 4 computations (0% saved)

series4.0ms (0.4%)

Memory

11.5MiB live, 11.5MiB allocated; 0ms collecting garbage

Counts

4 → 4

Calls

Call 1

Inputs
(atan.f64 (/.f64 y x))
(/.f64 y x)
y
x

Outputs
(atan (/ y x))
(/ y x)
x
y

Calls

6 calls:

Time	Variable		Point	Expression
1.0ms	x	@	inf	((atan (/ y x)) (/ y x) y x)
1.0ms	x	@	-inf	((atan (/ y x)) (/ y x) y x)
1.0ms	y	@	inf	((atan (/ y x)) (/ y x) y x)
1.0ms	y	@	-inf	((atan (/ y x)) (/ y x) y x)
1.0ms	y	@	0	((atan (/ y x)) (/ y x) y x)

simplify3.0ms (0.3%)

Memory

7.9MiB live, 7.9MiB allocated; 0ms collecting garbage

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	4	9
0	4	9

Stop Event

1×	iter limit
1×	saturated

Counts

4 → 2

Calls

Call 1

Inputs
(atan (/ y x))
(/ y x)
x
y

Outputs
(atan (/ y x))
(atan.f64 (/.f64 y x))
(/ y x)
(/.f64 y x)
x
y

rewrite42.0ms (4.2%)

Memory

-18.2MiB live, 26.3MiB allocated; 6ms collecting garbage

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	4	9
0	6	9
1	9	9
2	16	9
3	29	9
4	30	9
0	30	9

Stop Event

1×	iter limit
1×	saturated
1×	iter limit

Counts

4 → 7

Calls

Call 1

Inputs
(atan.f64 (/.f64 y x))
(/.f64 y x)
y
x

Outputs
(neg.f64 (atan.f64 (/.f64 (neg.f64 y) x)))
(atan.f64 (/.f64 y x))
(/.f64 (neg.f64 y) (neg.f64 x))
(/.f64 y x)
(neg.f64 (/.f64 (neg.f64 y) x))
y
x

eval1.0ms (0.1%)

Memory: 2.3MiB live, 2.3MiB allocated; 0ms collecting garbage
Compiler: Compiled 51 to 18 computations (64.7% saved)

prune1.0ms (0.1%)

Memory

2.0MiB live, 2.0MiB allocated; 0ms collecting garbage

Pruning

1 alts after pruning (0 fresh and 1 done)

	Pruned	Kept	Total
New	9	0	9
Fresh	0	0	0
Picked	0	1	1
Done	0	0	0
Total	9	1	10

Accuracy

100.0%

Counts

10 → 1

Alt Table

Click to see full alt table

Status	Accuracy	Program
✓	100.0%	(atan.f64 (/.f64 y x))

Compiler

Compiled 8 to 8 computations (0% saved)

simplify8.0ms (0.8%)

Memory

15.0MiB live, 15.0MiB allocated; 0ms collecting garbage

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	4	4

Stop Event

1×

saturated

Calls

Call 1

Inputs
(atan.f64 (/.f64 y x))

Outputs
(atan.f64 (/.f64 y x))

derivations0.0ms (0%)

Memory

0.3MiB live, 0.3MiB allocated; 0ms collecting garbage

Stop Event

1×

done

Compiler

Compiled 4 to 4 computations (0% saved)

preprocess24.0ms (2.4%)

Memory: -24.8MiB live, 28.5MiB allocated; 15ms collecting garbage
Compiler: Compiled 22 to 22 computations (0% saved)

end0.0ms (0%)

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

start0.0ms (0%)

analyze20.0ms (2%)

sample798.0ms (79.2%)

explain43.0ms (4.3%)

preprocess62.0ms (6.2%)

eval0.0ms (0%)

prune1.0ms (0.1%)

series4.0ms (0.4%)

simplify3.0ms (0.3%)

rewrite42.0ms (4.2%)

eval1.0ms (0.1%)

prune1.0ms (0.1%)

simplify8.0ms (0.8%)

derivations0.0ms (0%)

preprocess24.0ms (2.4%)

end0.0ms (0%)

Profiling