Details

sample278.0ms

Algorithm

intervals

Results

7.0ms

256×

body

valid

simplify16.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (1.0ms)

Iter	Nodes	Cost
0	13	4
1	16	4
2	20	4
3	26	4
4	31	4
5	33	4
6	33	4

prune3.0ms

Filtered

1 candidates to 0 candidates (0.0%)

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

Merged error: 0.0b

Counts

2 → 1

localize8.0ms

Local error

Found 1 expressions with local error:

0.0b	(/ (- (+ f n)) (- f n))

rewrite8.0ms

Algorithm

rewrite-expression-head

Rules

2×	`associate-/r/` `associate-/l/` `distribute-neg-frac`
1×	`neg-sub0` `neg-mul-1` `flip3--` `frac-2neg` `flip3-+` `div-sub` `distribute-frac-neg` `clear-num` `flip--` `flip-+` `div-inv` `associate-/l*`

Counts

1 → 10

Calls

1 calls:

7.0ms

(/ (- (+ f n)) (- f n))

series89.0ms

Counts

1 → 3

Calls

1 calls:

89.0ms

(/ (- (+ f n)) (- f n))

simplify50.0ms

Algorithm

egg-herbie

Counts

13 → 13

Iterations

Useful iterations: 2 (7.0ms)

Iter	Nodes	Cost
0	76	39
1	191	39
2	536	35
3	2159	35
4	5002	35

prune30.0ms

Filtered

13 candidates to 12 candidates (92.3%)

Pruning

4 alts after pruning (3 fresh and 1 done)

	Pruned	Kept	Total
New	10	3	13
Fresh	0	0	0
Picked	0	1	1
Done	0	0	0
Total	10	4	14

Merged error: 0.0b

Counts

14 → 4

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b	(/ 1 (/ (- f n) (- (+ f n))))
0.0b	(/ (- f n) (- (+ f n)))

rewrite10.0ms

Algorithm

rewrite-expression-head

Rules

10×	`associate-/r/`
5×	`associate-/r*`
4×	`clear-num` `associate-/l/` `distribute-neg-frac`
3×	`frac-2neg` `div-inv`
2×	`neg-mul-1` `flip3--` `flip3-+` `flip--` `flip-+`
1×	`div-sub` `remove-double-div` `inv-pow`

Counts

2 → 23

Calls

2 calls:

5.0ms	(/ 1 (/ (- f n) (- (+ f n))))
4.0ms	(/ (- f n) (- (+ f n)))

series130.0ms

Counts

2 → 6

Calls

2 calls:

67.0ms	(/ 1 (/ (- f n) (- (+ f n))))
64.0ms	(/ (- f n) (- (+ f n)))

simplify45.0ms

Algorithm

egg-herbie

Counts

29 → 29

Iterations

Useful iterations: 3 (42.0ms)

Iter	Nodes	Cost
0	113	87
1	369	85
2	1640	83
3	5001	75

prune56.0ms

Filtered

29 candidates to 22 candidates (75.9%)

Pruning

4 alts after pruning (3 fresh and 1 done)

	Pruned	Kept	Total
New	27	2	29
Fresh	1	1	2
Picked	1	0	1
Done	0	1	1
Total	29	4	33

Merged error: 0b

Counts

33 → 4

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b	(/ 1 (- f n))
0.0b	(/ (/ 1 (- f n)) (/ 1 (- (+ f n))))
0.0b	(/ 1 (- (+ f n)))

rewrite17.0ms

Algorithm

rewrite-expression-head

Rules

24×	`associate-/r/`
11×	`div-inv`
10×	`distribute-neg-frac`
9×	`times-frac`
5×	`flip3--` `frac-2neg` `flip3-+` `clear-num` `associate-/r*` `flip--` `flip-+`
3×	`associate-/l/` `associate-/l*`
2×	`neg-mul-1` `inv-pow`

Counts

3 → 38

Calls

3 calls:

3.0ms	(/ 1 (- f n))
7.0ms	(/ (/ 1 (- f n)) (/ 1 (- (+ f n))))
6.0ms	(/ 1 (- (+ f n)))

series130.0ms

Counts

3 → 9

Calls

3 calls:

33.0ms	(/ 1 (- f n))
65.0ms	(/ (/ 1 (- f n)) (/ 1 (- (+ f n))))
31.0ms	(/ 1 (- (+ f n)))

simplify92.0ms

Algorithm

egg-herbie

Counts

47 → 47

Iterations

Useful iterations: 3 (88.0ms)

Iter	Nodes	Cost
0	172	216
1	803	195
2	3505	175
3	5001	174

prune81.0ms

Filtered

47 candidates to 33 candidates (70.2%)

Pruning

4 alts after pruning (2 fresh and 2 done)

	Pruned	Kept	Total
New	45	2	47
Fresh	2	0	2
Picked	0	1	1
Done	0	1	1
Total	47	4	51

Merged error: 0b

Counts

51 → 4

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b	(/ -1 (- f n))
0.2b	(* (/ -1 (- f n)) (- (- (+ f n))))

rewrite11.0ms

Algorithm

rewrite-expression-head

Rules

16×	`distribute-neg-frac`
8×	`distribute-neg-in`
6×	`frac-times`
4×	`frac-2neg` `flip3-+` `clear-num` `associate-/r/` `flip-+`
3×	`neg-mul-1` `associate-r` `associate-l` `associate-*l/`
2×	`+-commutative` `distribute-rgt-in` `flip3--` `distribute-lft-in` `associate-*r/` `flip--` `div-inv`
1×	`distribute-lft-neg-in` `distribute-rgt-neg-in` `*-commutative` `distribute-rgt-neg-out`

Counts

2 → 28

Calls

2 calls:

3.0ms	(/ -1 (- f n))
7.0ms	(* (/ -1 (- f n)) (- (- (+ f n))))

series99.0ms

Counts

2 → 6

Calls

2 calls:

34.0ms	(/ -1 (- f n))
66.0ms	(* (/ -1 (- f n)) (- (- (+ f n))))

simplify31.0ms

Algorithm

egg-herbie

Counts

34 → 34

Iterations

Useful iterations: 2 (27.0ms)

Iter	Nodes	Cost
0	209	130
1	1074	123
2	5001	117

prune55.0ms

Filtered

34 candidates to 24 candidates (70.6%)

Pruning

4 alts after pruning (1 fresh and 3 done)

	Pruned	Kept	Total
New	34	0	34
Fresh	0	1	1
Picked	0	1	1
Done	0	2	2
Total	34	4	38

Merged error: 0b

Counts

38 → 4

regimes50.0ms

Accuracy

0% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 0.0b

bsearch0.0ms

simplify2.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	12	4
1	13	4
2	13	4

end0.0ms

sample293.0ms

Algorithm

intervals

Results

167.0ms

8000×

body

valid