Metrics for Hyperbolic secant

analyze0.0ms (0%)

Algorithm

1×

Search

Probability	Valid	Unknown	Precondition	Infinite	Domain	Can't	Iter
0%	0%	100%	0%	0%	0%	0%	0
0%	0%	100%	0%	0%	0%	0%	1
100%	100%	0%	0%	0%	0%	0%	2

Compiler

Compiled 10 to 8 computations (20% saved)

sample699.0ms (52.2%)

Results

687.0ms

8256×

body

256

valid

Bogosity

preprocess83.0ms (6.2%)

Algorithm

1×	egg-herbie

Rules

1688×	`fma-def`
864×	`swap-sqr`
832×	`fabs-mul`
708×	`sqr-pow`
586×	`*-commutative`

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	14	50
1	25	50
2	45	50
3	76	50
4	147	50
5	310	50
6	826	50
7	2404	50
8	3614	50
9	4681	50
10	6353	50

Stop Event

1×	node limit

Calls

Call 1

Inputs
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 (neg.f64 (neg.f64 x)))))

Outputs
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 (neg.f64 (neg.f64 x)))))
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))

Symmetry

(abs x)

Compiler

Compiled 10 to 8 computations (20% saved)

simplify78.0ms (5.8%)

Algorithm

1×	egg-herbie

Rules

1992×	`fma-def`
868×	`unswap-sqr`
716×	`fabs-mul`
616×	`exp-prod`
544×	`*-commutative`

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	10	25
1	17	25
2	23	25
3	30	25
4	50	25
5	90	25
6	187	25
7	431	25
8	1161	25
9	2951	25
10	4139	25
11	5311	25
12	6994	25

Stop Event

1×	node limit

Counts

1 → 1

Calls

Call 1

Inputs
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))

Outputs
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))

eval0.0ms (0%)

Compiler: Compiled 9 to 7 computations (22.2% saved)

prune1.0ms (0.1%)

Pruning

2 alts after pruning (2 fresh and 0 done)

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

Accurracy

100.0%

Counts

2 → 1

Alt Table

Click to see full alt table

Status	Accuracy	Program
▶	100.0%	(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
▶	100.0%	(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))

Compiler

Compiled 18 to 14 computations (22.2% saved)

localize28.0ms (2.1%)

Local Accuracy

Found 1 expressions with local accuracy:

New	Accuracy	Program
✓	100.0%	(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))

Compiler

Compiled 25 to 9 computations (64% saved)

series2.0ms (0.1%)

Counts

1 → 12

Calls

3 calls:

Time	Variable		Point	Expression
1.0ms	x	@	-inf	(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
1.0ms	x	@	inf	(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
0.0ms	x	@	0	(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))

rewrite37.0ms (2.8%)

Algorithm

1×	batch-egg-rewrite

Rules

222×	`add-sqr-sqrt`
210×	`add-exp-log`
210×	`pow1`
210×	`*-un-lft-identity`
208×	`add-log-exp`

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	10	17
1	216	17
2	3340	17

Stop Event

1×

unsound

Counts

1 → 18

Calls

Call 1

Inputs
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))

Outputs
-8
-4
-2
-1
-1/2
0
1/2
1
3/2
2
3
4
8
9
16
27
64
512
x

simplify74.0ms (5.5%)

Algorithm

1×	egg-herbie

Rules

1444×	`fma-def`
798×	`distribute-lft-out`
694×	`distribute-lft-in`
652×	`*-commutative`
572×	`unswap-sqr`

Iterations

Useful iterations: 3 (0.0ms)

Iter	Nodes	Cost
0	46	318
1	80	314
2	144	310
3	365	306
4	1267	306
5	3171	306
6	4352	306
7	7244	306

Stop Event

1×	node limit

Counts

30 → 33

Calls

Call 1

Inputs
1
(+.f64 1 (*.f64 -1/2 (pow.f64 x 2)))
(+.f64 1 (+.f64 (.f64 -1/2 (pow.f64 x 2)) (.f64 5/24 (pow.f64 x 4))))
(+.f64 1 (+.f64 (.f64 -1/2 (pow.f64 x 2)) (+.f64 (.f64 -61/720 (pow.f64 x 6)) (*.f64 5/24 (pow.f64 x 4)))))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 x)))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 x)))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 x)))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 x)))
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (*.f64 -1 x))))
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (*.f64 -1 x))))
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (*.f64 -1 x))))
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (*.f64 -1 x))))
-8
-4
-2
-1
-1/2
0
1/2
1
3/2
2
3
4
8
9
16
27
64
512

Outputs
1
(+.f64 1 (*.f64 -1/2 (pow.f64 x 2)))
(+.f64 1 (.f64 -1/2 (.f64 x x)))
(fma.f64 -1/2 (*.f64 x x) 1)
(+.f64 1 (+.f64 (.f64 -1/2 (pow.f64 x 2)) (.f64 5/24 (pow.f64 x 4))))
(+.f64 1 (fma.f64 -1/2 (.f64 x x) (.f64 5/24 (pow.f64 x 4))))
(fma.f64 -1/2 (*.f64 x x) (fma.f64 5/24 (pow.f64 x 4) 1))
(+.f64 1 (+.f64 (.f64 -1/2 (pow.f64 x 2)) (+.f64 (.f64 -61/720 (pow.f64 x 6)) (*.f64 5/24 (pow.f64 x 4)))))
(+.f64 1 (fma.f64 -1/2 (.f64 x x) (fma.f64 -61/720 (pow.f64 x 6) (.f64 5/24 (pow.f64 x 4)))))
(+.f64 1 (fma.f64 -1/2 (.f64 x x) (fma.f64 5/24 (pow.f64 x 4) (.f64 -61/720 (pow.f64 x 6)))))
(+.f64 (fma.f64 -1/2 (.f64 x x) 1) (fma.f64 -61/720 (pow.f64 x 6) (.f64 5/24 (pow.f64 x 4))))
(fma.f64 -1/2 (*.f64 x x) (fma.f64 5/24 (pow.f64 x 4) (fma.f64 -61/720 (pow.f64 x 6) 1)))
(fma.f64 x (*.f64 x (fma.f64 (pow.f64 x 4) -61/720 -1/2)) (fma.f64 5/24 (pow.f64 x 4) 1))
(fma.f64 x (.f64 x (fma.f64 x (.f64 x 5/24) -1/2)) (fma.f64 -61/720 (pow.f64 x 6) 1))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 x)))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 x)))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 x)))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 x)))
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (*.f64 -1 x))))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 x)))
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (*.f64 -1 x))))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 x)))
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (*.f64 -1 x))))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 x)))
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (*.f64 -1 x))))
(/.f64 2 (+.f64 (exp.f64 (neg.f64 x)) (exp.f64 x)))
-8
-4
-2
-1
-1/2
0
1/2
1
3/2
2
3
4
8
9
16
27
64
512

eval6.0ms (0.4%)

Compiler: Compiled 210 to 157 computations (25.2% saved)

prune10.0ms (0.7%)

Pruning

5 alts after pruning (4 fresh and 1 done)

	Pruned	Kept	Total
New	29	4	33
Fresh	0	0	0
Picked	0	1	1
Done	0	0	0
Total	29	5	34

Accurracy

100.0%

Counts

34 → 5

Alt Table

Click to see full alt table

Status	Accuracy	Program
✓	100.0%	(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
▶	52.8%	(+.f64 1 (.f64 -1/2 (.f64 x x)))
	53.2%	1
	11.3%	1/2
	49.3%	0
✓	100.0%	(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
▶	52.8%	(+.f64 1 (.f64 -1/2 (.f64 x x)))
	53.2%	1
	11.3%	1/2
	49.3%	0

Compiler

Compiled 46 to 38 computations (17.4% saved)

localize26.0ms (1.9%)

Compiler: Compiled 20 to 11 computations (45% saved)

eval0.0ms (0%)

Compiler: Compiled 1 to 1 computations (0% saved)

prune3.0ms (0.3%)

Pruning

5 alts after pruning (3 fresh and 2 done)

	Kept	Total
New	0	0
Fresh	3	3
Picked	1	1
Done	1	1
Total	5	5

Accurracy

100.0%

Counts

5 → 5

Alt Table

Click to see full alt table

Status	Accuracy	Program
✓	100.0%	(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
✓	52.8%	(+.f64 1 (.f64 -1/2 (.f64 x x)))
	53.2%	1
	11.3%	1/2
	49.3%	0
✓	100.0%	(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
✓	52.8%	(+.f64 1 (.f64 -1/2 (.f64 x x)))
	53.2%	1
	11.3%	1/2
	49.3%	0

Compiler

Compiled 46 to 38 computations (17.4% saved)

localize0.0ms (0%)

eval0.0ms (0%)

Compiler: Compiled 1 to 1 computations (0% saved)

prune8.0ms (0.6%)

Pruning

5 alts after pruning (3 fresh and 2 done)

	Kept	Total
New	0	0
Fresh	3	3
Picked	0	0
Done	2	2
Total	5	5

Accurracy

100.0%

Counts

5 → 5

Alt Table

Click to see full alt table

Status	Accuracy	Program
✓	100.0%	(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
✓	52.8%	(+.f64 1 (.f64 -1/2 (.f64 x x)))
	53.2%	1
	11.3%	1/2
	49.3%	0
✓	100.0%	(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
✓	52.8%	(+.f64 1 (.f64 -1/2 (.f64 x x)))
	53.2%	1
	11.3%	1/2
	49.3%	0

Compiler

Compiled 46 to 38 computations (17.4% saved)

localize0.0ms (0%)

eval0.0ms (0%)

Compiler: Compiled 1 to 1 computations (0% saved)

prune3.0ms (0.2%)

Pruning

5 alts after pruning (3 fresh and 2 done)

	Kept	Total
New	0	0
Fresh	3	3
Picked	0	0
Done	2	2
Total	5	5

Accurracy

100.0%

Counts

5 → 5

Alt Table

Click to see full alt table

Status	Accuracy	Program
✓	100.0%	(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
✓	52.8%	(+.f64 1 (.f64 -1/2 (.f64 x x)))
	53.2%	1
	11.3%	1/2
	49.3%	0

Compiler

Compiled 42 to 34 computations (19% saved)

regimes9.0ms (0.7%)

Counts

5 → 1

Calls

Call 1

Inputs
0
1/2
1
(+.f64 1 (.f64 -1/2 (.f64 x x)))
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))

Outputs
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))

Calls

3 calls:

4.0ms	x
2.0ms	(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
2.0ms	(+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))

Results

Accuracy	Segments	Branch
100.0%	1	`x`
100.0%	1	`(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))`
100.0%	1	`(+.f64 (exp.f64 x) (exp.f64 (neg.f64 x)))`

Compiler

Compiled 37 to 28 computations (24.3% saved)

regimes10.0ms (0.7%)

Counts

4 → 2

Calls

Call 1

Inputs
0
1/2
1
(+.f64 1 (.f64 -1/2 (.f64 x x)))

Outputs
(+.f64 1 (.f64 -1/2 (.f64 x x)))
0

Calls

1 calls:

9.0ms

Results

Accuracy	Segments	Branch
99.6%	2	`x`

Compiler

Compiled 13 to 10 computations (23.1% saved)

regimes7.0ms (0.5%)

Counts

3 → 2

Calls

Call 1

Inputs
0
1/2
1

Outputs
1
0

Calls

1 calls:

6.0ms

Results

Accuracy	Segments	Branch
99.4%	2	`x`

Compiler

Compiled 6 to 5 computations (16.7% saved)

regimes8.0ms (0.6%)

Counts

2 → 2

Calls

Call 1

Inputs
0
1/2

Outputs
1/2
0

Calls

1 calls:

5.0ms

Results

Accuracy	Segments	Branch
57.4%	2	`x`

Compiler

Compiled 5 to 4 computations (20% saved)

regimes3.0ms (0.2%)

Accuracy

Total 0.0b remaining (0%)

Threshold costs 0b (0%)

Counts

1 → 1

Calls

Call 1

Inputs
0

Outputs
0

Calls

1 calls:

2.0ms

Results

Accuracy	Segments	Branch
49.3%	1	`x`

Compiler

Compiled 4 to 3 computations (25% saved)

bsearch18.0ms (1.3%)

Algorithm

1×	binary-search

Stop Event

1×	narrow-enough

Steps

Time	Left	Right
18.0ms	2.629863797830166e-5	297.7880906243367

Results

16.0ms

144×

body

256

valid

Compiler

Compiled 121 to 100 computations (17.4% saved)

bsearch14.0ms (1%)

Algorithm

1×	binary-search

Stop Event

1×	narrow-enough

Steps

Time	Left	Right
14.0ms	297.7880906243367	794.5948051694836

Results

13.0ms

80×

body

256

valid

Compiler

Compiled 43 to 40 computations (7% saved)

bsearch9.0ms (0.7%)

Algorithm

1×	binary-search

Stop Event

1×	narrow-enough

Steps

Time	Left	Right
9.0ms	297.7880906243367	794.5948051694836

Results

8.0ms

80×

body

256

valid

Compiler

Compiled 43 to 40 computations (7% saved)

simplify6.0ms (0.5%)

Algorithm

1×	egg-herbie

Rules

6×	`+-commutative`
4×	`*-commutative`
2×	`sub-neg`
2×	`1-exp`
2×	`neg-mul-1`

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	27	77
1	34	77
2	36	77
3	37	77

Stop Event

1×	fuel
1×	saturated

Calls

Call 1

Inputs
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
(if (<=.f64 x 3152519739159347/2251799813685248) (+.f64 1 (.f64 -1/2 (.f64 x x))) 0)
(if (<=.f64 x 360) 1 0)
(if (<=.f64 x 360) 1/2 0)
0

Outputs
(/.f64 2 (+.f64 (exp.f64 x) (exp.f64 (neg.f64 x))))
(if (<=.f64 x 3152519739159347/2251799813685248) (+.f64 1 (.f64 -1/2 (.f64 x x))) 0)
(if (<=.f64 x 360) 1 0)
(if (<=.f64 x 360) 1/2 0)
0

Compiler

Compiled 38 to 31 computations (18.4% saved)

soundness156.0ms (11.7%)

Rules

1444×	`fma-def`
798×	`distribute-lft-out`
694×	`distribute-lft-in`
652×	`*-commutative`
572×	`unswap-sqr`

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	10	17
1	216	17
2	3340	17
0	10	17
1	216	17
2	3340	17
0	46	318
1	80	314
2	144	310
3	365	306
4	1267	306
5	3171	306
6	4352	306
7	7244	306

Stop Event

1×	node limit
1×	unsound
1×	unsound

Compiler

Compiled 15 to 12 computations (20% saved)

end0.0ms (0%)

preprocess43.0ms (3.2%)

Remove: (abs x)
Compiler: Compiled 104 to 82 computations (21.2% saved)

analyze0.0ms (0%)

sample699.0ms (52.2%)

preprocess83.0ms (6.2%)

simplify78.0ms (5.8%)

eval0.0ms (0%)

prune1.0ms (0.1%)

localize28.0ms (2.1%)

series2.0ms (0.1%)

rewrite37.0ms (2.8%)

simplify74.0ms (5.5%)

eval6.0ms (0.4%)

prune10.0ms (0.7%)

localize26.0ms (1.9%)

eval0.0ms (0%)

prune3.0ms (0.3%)

localize0.0ms (0%)

eval0.0ms (0%)

prune8.0ms (0.6%)

localize0.0ms (0%)

eval0.0ms (0%)

prune3.0ms (0.2%)

regimes9.0ms (0.7%)

regimes10.0ms (0.7%)

regimes7.0ms (0.5%)

regimes8.0ms (0.6%)

regimes3.0ms (0.2%)

bsearch18.0ms (1.3%)

bsearch14.0ms (1%)

bsearch9.0ms (0.7%)

simplify6.0ms (0.5%)

soundness156.0ms (11.7%)

end0.0ms (0%)

preprocess43.0ms (3.2%)

Profiling