Details

sample21.0ms

Algorithm

intervals

Results

10.0ms

319×

body

valid

simplify59.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 7 (57.0ms)

Iter	Nodes	Cost
0	20	5
1	47	5
2	146	5
3	356	5
4	750	5
5	1604	5
6	2577	5
7	5001	4

prune6.0ms

Filtered

1 candidates to 1 candidates (100.0%)

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 → 2

localize7.0ms

Local error

Found 1 expressions with local error:

0.3b	(/ (* 4.0 (- (- x y) (* z 0.5))) z)

rewrite13.0ms

Algorithm

rewrite-expression-head

Rules

6×	`add-exp-log` `add-cbrt-cube`
3×	`add-sqr-sqrt` `add-cube-cbrt` `-un-lft-identity` `times-frac` `associate-/r`
2×	`cbrt-undiv` `associate-*r/` `div-exp` `associate-/l/`
1×	`pow1` `expm1-log1p-u` `flip3--` `frac-2neg` `prod-exp` `clear-num` `flip--` `cbrt-unprod` `log1p-expm1-u` `div-inv` `associate-/l*` `add-log-exp`

Counts

1 → 25

Calls

1 calls:

12.0ms

(/ (* 4.0 (- (- x y) (* z 0.5))) z)

series47.0ms

Counts

1 → 3

Calls

1 calls:

47.0ms

(/ (* 4.0 (- (- x y) (* z 0.5))) z)

simplify95.0ms

Algorithm

egg-herbie

Counts

28 → 28

Iterations

Useful iterations: 3 (91.0ms)

Iter	Nodes	Cost
0	193	201
1	818	168
2	4419	164
3	5001	163

prune54.0ms

Filtered

28 candidates to 21 candidates (75.0%)

Pruning

3 alts after pruning (3 fresh and 0 done)

	Pruned	Kept	Total
New	26	2	28
Fresh	0	1	1
Picked	1	0	1
Done	0	0	0
Total	27	3	30

Merged error: 0.0b

Counts

30 → 3

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b	(fma 4.0 (/ (- x y) z) (- 2.0))
0.0b	(/ (- x y) z)

rewrite8.0ms

Algorithm

rewrite-expression-head

Rules

20×	`add-sqr-sqrt` `*-un-lft-identity`
15×	`times-frac`
12×	`add-cube-cbrt`
5×	`associate-/l*`
4×	`add-exp-log` `add-cbrt-cube` `distribute-lft-out--` `difference-of-squares`
3×	`associate-/r*`
2×	`pow1` `expm1-log1p-u` `log1p-expm1-u` `associate-/l/` `add-log-exp`
1×	`cbrt-undiv` `flip3--` `frac-2neg` `div-sub` `div-exp` `clear-num` `flip--` `fma-udef` `div-inv`

Counts

2 → 50

Calls

2 calls:

1.0ms	(fma 4.0 (/ (- x y) z) (- 2.0))
6.0ms	(/ (- x y) z)

series63.0ms

Counts

2 → 6

Calls

2 calls:

37.0ms	(fma 4.0 (/ (- x y) z) (- 2.0))
26.0ms	(/ (- x y) z)

simplify47.0ms

Algorithm

egg-herbie

Counts

56 → 56

Iterations

Useful iterations: 1 (7.0ms)

Iter	Nodes	Cost
0	196	280
1	536	258
2	1934	258
3	5001	258

prune111.0ms

Filtered

56 candidates to 42 candidates (75.0%)

Pruning

3 alts after pruning (3 fresh and 0 done)

	Pruned	Kept	Total
New	55	1	56
Fresh	0	2	2
Picked	1	0	1
Done	0	0	0
Total	56	3	59

Merged error: 0b

Counts

59 → 3

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b	(fma 4.0 (- (/ x z) (/ y z)) (- 2.0))
0.0b	(- (/ x z) (/ y z))

rewrite34.0ms

Algorithm

rewrite-expression-head

Rules

253×	`times-frac`
205×	`add-sqr-sqrt`
201×	`*-un-lft-identity`
193×	`add-cube-cbrt`
169×	`prod-diff`
29×	`div-inv`
13×	`fma-neg`
4×	`distribute-lft-out--` `add-log-exp` `difference-of-squares`
2×	`pow1` `add-exp-log` `expm1-log1p-u` `add-cbrt-cube` `log1p-expm1-u`
1×	`sub-neg` `flip3--` `distribute-rgt-out--` `diff-log` `frac-sub` `flip--` `fma-udef` `sub-div`

Counts

2 → 217

Calls

2 calls:

1.0ms	(fma 4.0 (- (/ x z) (/ y z)) (- 2.0))
18.0ms	(- (/ x z) (/ y z))

series59.0ms

Counts

2 → 6

Calls

2 calls:

36.0ms	(fma 4.0 (- (/ x z) (/ y z)) (- 2.0))
22.0ms	(- (/ x z) (/ y z))

simplify88.0ms

Algorithm

egg-herbie

Counts

223 → 223

Iterations

Useful iterations: 2 (54.0ms)

Iter	Nodes	Cost
0	723	4605
1	1875	3272
2	5001	2849

prune228.0ms

Filtered

223 candidates to 73 candidates (32.7%)

Pruning

3 alts after pruning (2 fresh and 1 done)

	Pruned	Kept	Total
New	223	0	223
Fresh	0	2	2
Picked	0	1	1
Done	0	0	0
Total	223	3	226

Merged error: 0b

Counts

226 → 3

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b	(/ z (- (- x y) (* z 0.5)))
0.2b	(/ 4.0 (/ z (- (- x y) (* z 0.5))))

rewrite21.0ms

Algorithm

rewrite-expression-head

Rules

90×	`times-frac`
54×	`add-sqr-sqrt` `add-cube-cbrt` `*-un-lft-identity`
18×	`associate-/r*`
11×	`associate-/r/`
9×	`add-exp-log` `add-cbrt-cube`
6×	`div-inv` `associate-/l*`
5×	`flip3--` `flip--`
4×	`cbrt-undiv` `div-exp`
2×	`pow1` `expm1-log1p-u` `frac-2neg` `clear-num` `log1p-expm1-u` `add-log-exp`

Counts

2 → 111

Calls

2 calls:

7.0ms	(/ z (- (- x y) (* z 0.5)))
10.0ms	(/ 4.0 (/ z (- (- x y) (* z 0.5))))

series135.0ms

Counts

2 → 6

Calls

2 calls:

87.0ms	(/ z (- (- x y) (* z 0.5)))
48.0ms	(/ 4.0 (/ z (- (- x y) (* z 0.5))))

simplify58.0ms

Algorithm

egg-herbie

Counts

117 → 117

Iterations

Useful iterations: 2 (45.0ms)

Iter	Nodes	Cost
0	453	1170
1	2026	1105
2	5001	1095

prune227.0ms

Filtered

117 candidates to 97 candidates (82.9%)

Pruning

3 alts after pruning (1 fresh and 2 done)

	Pruned	Kept	Total
New	117	0	117
Fresh	0	1	1
Picked	0	1	1
Done	0	1	1
Total	117	3	120

Merged error: 0b

Counts

120 → 3

regimes65.0ms

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	10	5

end0.0ms

sample546.0ms

Algorithm

intervals

Results

339.0ms

10055×

body

valid