Details

sample36.0ms

Algorithm

intervals

Results

16.0ms

389×

body

valid

simplify62.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 4 (11.0ms)

Iter	Nodes	Cost
0	33	7
1	73	7
2	153	7
3	290	7
4	546	6
5	892	6
6	1280	6
7	1781	6
8	2165	6
9	2429	6
10	2429	6

prune7.0ms

Filtered

1 candidates to 1 candidates (100.0%)

Pruning

1 alts after pruning (1 fresh and 0 done)

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

Merged error: 0.0b

Counts

2 → 1

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b	(fma y x (fma (- (/ a 4.0)) b c))
0.0b	(fma z (/ t 16.0) (fma y x (fma (- (/ a 4.0)) b c)))

rewrite2.0ms

Algorithm

rewrite-expression-head

Rules

2×	`fma-udef`

Counts

2 → 2

Calls

2 calls:

1.0ms	(fma y x (fma (- (/ a 4.0)) b c))
1.0ms	(fma z (/ t 16.0) (fma y x (fma (- (/ a 4.0)) b c)))

series216.0ms

Counts

2 → 6

Calls

2 calls:

75.0ms	(fma y x (fma (- (/ a 4.0)) b c))
141.0ms	(fma z (/ t 16.0) (fma y x (fma (- (/ a 4.0)) b c)))

simplify80.0ms

Algorithm

egg-herbie

Counts

8 → 8

Iterations

Useful iterations: 1 (3.0ms)

Iter	Nodes	Cost
0	44	28
1	107	24
2	181	24
3	279	24
4	333	24
5	446	24
6	681	24
7	1102	24
8	1260	24
9	1339	24
10	1482	24
11	1701	24
12	1701	24

prune28.0ms

Filtered

8 candidates to 6 candidates (75.0%)

Pruning

2 alts after pruning (1 fresh and 1 done)

	Pruned	Kept	Total
New	7	1	8
Fresh	0	0	0
Picked	0	1	1
Done	0	0	0
Total	7	2	9

Merged error: 0.0b

Counts

9 → 2

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b	(fma y x (fma (- (/ a 4.0)) b c))
0.0b	(+ (* z (/ t 16.0)) (fma y x (fma (- (/ a 4.0)) b c)))

rewrite5.0ms

Algorithm

rewrite-expression-head

Rules

3×	`fma-def`
2×	`fma-udef`
1×	`+-commutative` `associate-+r+` `flip3-+` `associate-r` `*-commutative` `flip-+` `div-inv`

Counts

2 → 8

Calls

2 calls:

1.0ms	(fma y x (fma (- (/ a 4.0)) b c))
5.0ms	(+ (* z (/ t 16.0)) (fma y x (fma (- (/ a 4.0)) b c)))

series232.0ms

Counts

2 → 6

Calls

2 calls:

94.0ms	(fma y x (fma (- (/ a 4.0)) b c))
137.0ms	(+ (* z (/ t 16.0)) (fma y x (fma (- (/ a 4.0)) b c)))

simplify35.0ms

Algorithm

egg-herbie

Counts

14 → 14

Iterations

Useful iterations: 1 (4.0ms)

Iter	Nodes	Cost
0	104	78
1	323	72
2	1258	72
3	5002	72

prune70.0ms

Filtered

14 candidates to 11 candidates (78.6%)

Pruning

2 alts after pruning (0 fresh and 2 done)

	Pruned	Kept	Total
New	14	0	14
Fresh	0	0	0
Picked	0	1	1
Done	0	1	1
Total	14	2	16

Merged error: 0.0b

Counts

16 → 2

regimes166.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	17	6
1	17	6

end0.0ms

sample989.0ms

Algorithm

intervals

Results

526.0ms

12004×

body

valid