Details

sample29.0ms

Algorithm

intervals

Results

14.0ms

325×

body

valid

simplify12.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (1.0ms)

Iter	Nodes	Cost
0	16	6
1	29	6
2	42	6
3	49	6
4	55	6
5	61	6
6	63	6
7	63	6

prune2.0ms

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: 0.9b

Counts

2 → 1

localize8.0ms

Local error

Found 3 expressions with local error:

0.0b	(- (/ (+ x 4.0) y) (* (/ x y) z))
0.0b	(/ (+ x 4.0) y)
2.3b	(* (/ x y) z)

rewrite16.0ms

Algorithm

rewrite-expression-head

Rules

20×	`associate-*l/`
15×	`frac-sub`
12×	`frac-2neg`
10×	`clear-num`
8×	`associate-/l/`
7×	`div-inv`
4×	`flip3-+` `flip-+`
3×	`prod-diff`
2×	`associate-l` `*-commutative` `sub-div`
1×	`sub-neg` `flip3--` `fma-neg` `flip--`

Counts

3 → 35

Calls

3 calls:

8.0ms	(- (/ (+ x 4.0) y) (* (/ x y) z))
3.0ms	(/ (+ x 4.0) y)
3.0ms	(* (/ x y) z)

series91.0ms

Counts

3 → 9

Calls

3 calls:

41.0ms	(- (/ (+ x 4.0) y) (* (/ x y) z))
26.0ms	(/ (+ x 4.0) y)
24.0ms	(* (/ x y) z)

simplify54.0ms

Algorithm

egg-herbie

Counts

44 → 44

Iterations

Useful iterations: 2 (49.0ms)

Iter	Nodes	Cost
0	404	331
1	1883	290
2	5001	276

prune101.0ms

Filtered

44 candidates to 32 candidates (72.7%)

Pruning

4 alts after pruning (4 fresh and 0 done)

	Pruned	Kept	Total
New	40	4	44
Fresh	0	0	0
Picked	1	0	1
Done	0	0	0
Total	41	4	45

Merged error: 0.0b

Counts

45 → 4

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b	(- (fma 4.0 (/ 1 y) (/ x y)) (* (/ x y) z))
0.0b	(fma 4.0 (/ 1 y) (/ x y))
2.3b	(* (/ x y) z)

rewrite6.0ms

Algorithm

rewrite-expression-head

Rules

3×	`associate-*l/`
2×	`fma-udef`
1×	`sub-neg` `flip3--` `frac-2neg` `associate-l` `associate--l+` `clear-num` `*-commutative` `flip--` `div-inv`

Counts

3 → 11

Calls

3 calls:

2.0ms	(- (fma 4.0 (/ 1 y) (/ x y)) (* (/ x y) z))
1.0ms	(fma 4.0 (/ 1 y) (/ x y))
3.0ms	(* (/ x y) z)

series96.0ms

Counts

3 → 9

Calls

3 calls:

48.0ms	(- (fma 4.0 (/ 1 y) (/ x y)) (* (/ x y) z))
27.0ms	(fma 4.0 (/ 1 y) (/ x y))
20.0ms	(* (/ x y) z)

simplify54.0ms

Algorithm

egg-herbie

Counts

20 → 20

Iterations

Useful iterations: 3 (51.0ms)

Iter	Nodes	Cost
0	88	93
1	398	90
2	1970	88
3	5002	81

prune41.0ms

Filtered

20 candidates to 11 candidates (55.0%)

Pruning

4 alts after pruning (3 fresh and 1 done)

	Pruned	Kept	Total
New	20	0	20
Fresh	0	3	3
Picked	0	1	1
Done	0	0	0
Total	20	4	24

Merged error: 0.0b

Counts

24 → 4

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b	(/ (+ x 4.0) y)
0.0b	(- (/ (+ x 4.0) y) (/ z (/ y x)))
2.5b	(/ z (/ y x))

rewrite16.0ms

Algorithm

rewrite-expression-head

Rules

20×	`frac-sub`
14×	`div-inv`
13×	`frac-2neg` `clear-num`
10×	`associate-/l/`
6×	`associate-/r*` `associate-/r/`
5×	`flip3-+` `flip-+`
4×	`prod-diff`
1×	`sub-neg` `flip3--` `fma-neg` `flip--`

Counts

3 → 41

Calls

3 calls:

3.0ms	(/ (+ x 4.0) y)
8.0ms	(- (/ (+ x 4.0) y) (/ z (/ y x)))
3.0ms	(/ z (/ y x))

series88.0ms

Counts

3 → 9

Calls

3 calls:

25.0ms	(/ (+ x 4.0) y)
45.0ms	(- (/ (+ x 4.0) y) (/ z (/ y x)))
18.0ms	(/ z (/ y x))

simplify70.0ms

Algorithm

egg-herbie

Counts

50 → 50

Iterations

Useful iterations: 2 (64.0ms)

Iter	Nodes	Cost
0	499	425
1	2631	373
2	5003	356

prune122.0ms

Filtered

50 candidates to 39 candidates (78.0%)

Pruning

4 alts after pruning (2 fresh and 2 done)

	Pruned	Kept	Total
New	49	1	50
Fresh	1	1	2
Picked	0	1	1
Done	0	1	1
Total	50	4	54

Merged error: 0.0b

Counts

54 → 4

localize12.0ms

Local error

Found 1 expressions with local error:

2.9b	(/ (fma z x (- (+ x 4.0))) (- y))

rewrite2.0ms

Algorithm

rewrite-expression-head

Rules

1×	`neg-mul-1` `frac-2neg` `clear-num` `associate-/r*` `div-inv`

Counts

1 → 4

Calls

1 calls:

2.0ms

(/ (fma z x (- (+ x 4.0))) (- y))

series45.0ms

Counts

1 → 3

Calls

1 calls:

45.0ms

(/ (fma z x (- (+ x 4.0))) (- y))

simplify88.0ms

Algorithm

egg-herbie

Counts

7 → 7

Iterations

Useful iterations: 7 (86.0ms)

Iter	Nodes	Cost
0	43	36
1	85	33
2	210	33
3	393	32
4	824	32
5	1790	26
6	3380	25
7	5001	24

prune14.0ms

Filtered

7 candidates to 5 candidates (71.4%)

Pruning

4 alts after pruning (1 fresh and 3 done)

	Pruned	Kept	Total
New	7	0	7
Fresh	0	1	1
Picked	0	1	1
Done	0	2	2
Total	7	4	11

Merged error: 0.0b

Counts

11 → 4

regimes60.0ms

Accuracy

0% (1.6b remaining)

Error of 1.6b against oracle of 0.0b and baseline of 1.6b

bsearch0.0ms

simplify1.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	14	7
1	14	7

end0.0ms

sample530.0ms

Algorithm

intervals

Results

310.0ms

10127×

body

valid