Details

sample262.0ms

Algorithm

intervals

Results

7.0ms

256×

body

valid

simplify17.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (2.0ms)

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))

series88.0ms

Counts

1 → 3

Calls

1 calls:

88.0ms

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

simplify45.0ms

Algorithm

egg-herbie

Counts

13 → 13

Iterations

Useful iterations: 4 (43.0ms)

Iter	Nodes	Cost
0	73	39
1	182	39
2	482	35
3	1812	35
4	5001	34

prune27.0ms

Filtered

13 candidates to 12 candidates (92.3%)

Pruning

3 alts after pruning (2 fresh and 1 done)

	Pruned	Kept	Total
New	11	2	13
Fresh	0	0	0
Picked	0	1	1
Done	0	0	0
Total	11	3	14

Merged error: 0.0b

Counts

14 → 3

localize6.0ms

Local error

Found 2 expressions with local error:

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

rewrite13.0ms

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))))
7.0ms	(/ (- f n) (- (+ f n)))

series134.0ms

Counts

2 → 6

Calls

2 calls:

69.0ms	(/ 1 (/ (- f n) (- (+ f n))))
65.0ms	(/ (- f n) (- (+ f n)))

simplify43.0ms

Algorithm

egg-herbie

Counts

29 → 29

Iterations

Useful iterations: 3 (40.0ms)

Iter	Nodes	Cost
0	110	88
1	352	86
2	1545	84
3	5001	76

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	0	1	1
Picked	1	0	1
Done	0	1	1
Total	28	4	32

Merged error: 0b

Counts

32 → 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))
9.0ms	(/ (/ 1 (- f n)) (/ 1 (- (+ f n))))
3.0ms	(/ 1 (- (+ f n)))

series134.0ms

Counts

3 → 9

Calls

3 calls:

34.0ms	(/ 1 (- f n))
66.0ms	(/ (/ 1 (- f n)) (/ 1 (- (+ f n))))
33.0ms	(/ 1 (- (+ f n)))

simplify91.0ms

Algorithm

egg-herbie

Counts

47 → 47

Iterations

Useful iterations: 3 (87.0ms)

Iter	Nodes	Cost
0	167	221
1	787	199
2	3372	180
3	5001	179

prune82.0ms

Filtered

47 candidates to 34 candidates (72.3%)

Pruning

4 alts after pruning (2 fresh and 2 done)

	Pruned	Kept	Total
New	46	1	47
Fresh	1	1	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	(* (- (+ f n)) (/ 1 (- f n)))

rewrite9.0ms

Algorithm

rewrite-expression-head

Rules

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

Counts

2 → 25

Calls

2 calls:

3.0ms	(/ 1 (- f n))
5.0ms	(* (- (+ f n)) (/ 1 (- f n)))

series100.0ms

Counts

2 → 6

Calls

2 calls:

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

simplify64.0ms

Algorithm

egg-herbie

Counts

31 → 31

Iterations

Useful iterations: 2 (15.0ms)

Iter	Nodes	Cost
0	125	110
1	510	102
2	2818	96
3	5001	96

prune43.0ms

Filtered

31 candidates to 20 candidates (64.5%)

Pruning

4 alts after pruning (1 fresh and 3 done)

	Pruned	Kept	Total
New	31	0	31
Fresh	0	1	1
Picked	0	1	1
Done	0	2	2
Total	31	4	35

Merged error: 0b

Counts

35 → 4

regimes52.0ms

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

sample288.0ms

Algorithm

intervals

Results

163.0ms

8000×

body

valid