Details

sample24.0ms

Algorithm

intervals

Results

10.0ms

367×

body

valid

simplify12.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (1.0ms)

Iter	Nodes	Cost
0	17	4
1	35	4
2	51	4
3	71	4
4	85	4
5	89	4
6	89	4

prune34.0ms

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: 6.1b

Counts

2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b	(- (* x y) (* z t))
5.8b	(/ (- (* x y) (* z t)) a)

rewrite10.0ms

Algorithm

rewrite-expression-head

Rules

5×	`*-commutative`
4×	`prod-diff`
2×	`flip3--` `fma-neg` `flip--` `associate-/l/`
1×	`sub-neg` `frac-2neg` `div-sub` `clear-num` `div-inv`

Counts

2 → 16

Calls

2 calls:

4.0ms	(- (* x y) (* z t))
5.0ms	(/ (- (* x y) (* z t)) a)

series87.0ms

Counts

2 → 6

Calls

2 calls:

40.0ms	(- (* x y) (* z t))
47.0ms	(/ (- (* x y) (* z t)) a)

simplify71.0ms

Algorithm

egg-herbie

Counts

22 → 22

Iterations

Useful iterations: 3 (31.0ms)

Iter	Nodes	Cost
0	119	92
1	338	90
2	1035	89
3	2727	76
4	5001	76

prune52.0ms

Filtered

22 candidates to 14 candidates (63.6%)

Pruning

6 alts after pruning (6 fresh and 0 done)

	Pruned	Kept	Total
New	16	6	22
Fresh	0	0	0
Picked	1	0	1
Done	0	0	0
Total	17	6	23

Merged error: 5.8b

Counts

23 → 6

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b	(- (* x y) (* z t))
5.8b	(* (- (* x y) (* z t)) (/ 1 a))

rewrite13.0ms

Algorithm

rewrite-expression-head

Rules

6×	`frac-times` `*-commutative`
5×	`flip3--` `flip--`
4×	`prod-diff` `clear-num`
3×	`frac-2neg` `associate-*r/`
2×	`fma-neg` `associate-*l/` `un-div-inv`
1×	`sub-neg` `associate-r` `div-inv`

Counts

2 → 25

Calls

2 calls:

6.0ms	(- (* x y) (* z t))
6.0ms	(* (- (* x y) (* z t)) (/ 1 a))

series87.0ms

Counts

2 → 6

Calls

2 calls:

37.0ms	(- (* x y) (* z t))
50.0ms	(* (- (* x y) (* z t)) (/ 1 a))

simplify73.0ms

Algorithm

egg-herbie

Counts

31 → 31

Iterations

Useful iterations: 3 (70.0ms)

Iter	Nodes	Cost
0	137	167
1	517	161
2	2446	161
3	5001	147

prune64.0ms

Filtered

31 candidates to 18 candidates (58.1%)

Pruning

7 alts after pruning (6 fresh and 1 done)

	Pruned	Kept	Total
New	28	3	31
Fresh	2	3	5
Picked	0	1	1
Done	0	0	0
Total	30	7	37

Merged error: 5.8b

Counts

37 → 7

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b	(- (* x y) (* z t))
0.9b	(/ 1 (/ a (- (* x y) (* z t))))
5.7b	(/ a (- (* x y) (* z t)))

rewrite17.0ms

Algorithm

rewrite-expression-head

Rules

7×	`associate-/r/`
5×	`*-commutative`
4×	`prod-diff` `clear-num`
3×	`flip3--` `frac-2neg` `associate-/r*` `flip--` `div-inv`
2×	`fma-neg`
1×	`sub-neg` `remove-double-div` `inv-pow`

Counts

3 → 26

Calls

3 calls:

4.0ms	(- (* x y) (* z t))
8.0ms	(/ 1 (/ a (- (* x y) (* z t))))
4.0ms	(/ a (- (* x y) (* z t)))

series654.0ms

Counts

3 → 9

Calls

3 calls:

37.0ms	(- (* x y) (* z t))
582.0ms	(/ 1 (/ a (- (* x y) (* z t))))
35.0ms	(/ a (- (* x y) (* z t)))

simplify43.0ms

Algorithm

egg-herbie

Counts

35 → 35

Iterations

Useful iterations: 3 (40.0ms)

Iter	Nodes	Cost
0	120	129
1	354	125
2	1263	123
3	5001	110

prune77.0ms

Filtered

35 candidates to 21 candidates (60.0%)

Pruning

8 alts after pruning (7 fresh and 1 done)

	Pruned	Kept	Total
New	31	4	35
Fresh	2	3	5
Picked	1	0	1
Done	0	1	1
Total	34	8	42

Merged error: 5.8b

Counts

42 → 8

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b	(- (* x y) (* z t))
5.8b	(/ (- (* x y) (* z t)) a)

rewrite10.0ms

Algorithm

rewrite-expression-head

Rules

5×	`*-commutative`
4×	`prod-diff`
2×	`flip3--` `fma-neg` `flip--` `associate-/l/`
1×	`sub-neg` `frac-2neg` `div-sub` `clear-num` `div-inv`

Counts

2 → 16

Calls

2 calls:

4.0ms	(- (* x y) (* z t))
5.0ms	(/ (- (* x y) (* z t)) a)

series88.0ms

Counts

2 → 6

Calls

2 calls:

38.0ms	(- (* x y) (* z t))
50.0ms	(/ (- (* x y) (* z t)) a)

simplify74.0ms

Algorithm

egg-herbie

Counts

22 → 22

Iterations

Useful iterations: 3 (33.0ms)

Iter	Nodes	Cost
0	119	92
1	338	90
2	1035	89
3	2727	76
4	5001	76

prune39.0ms

Filtered

22 candidates to 11 candidates (50.0%)

Pruning

8 alts after pruning (6 fresh and 2 done)

	Pruned	Kept	Total
New	22	0	22
Fresh	0	6	6
Picked	0	1	1
Done	0	1	1
Total	22	8	30

Merged error: 5.8b

Counts

30 → 8

regimes291.0ms

Accuracy

0% (0.3b remaining)

Error of 7.5b against oracle of 7.2b and baseline of 7.5b

bsearch0.0ms

simplify1.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	11	4
1	11	4

end0.0ms

sample638.0ms

Algorithm

intervals

Results

314.0ms

11209×

body

valid