Details

sample1.6s

Algorithm

intervals

sampling

Space saved by range analysis: 0%

Space saved by search: 15.863037%

Guaranteed chance to sample good point: 71.802684%

Results

8.0ms	256×	body	80	valid
0.0ms	10×	body	80	invalid

simplify55.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (1.0ms)

Iter	Nodes	Cost
0	20	5
1	47	5
2	138	5
3	317	5
4	611	5
5	1239	5
6	1919	5
7	5001	5

prune3.0ms

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

localize7.0ms

Local error

Found 1 expressions with local error:

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

rewrite10.0ms

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` `flip3--` `frac-2neg` `prod-exp` `clear-num` `flip--` `cbrt-unprod` `div-inv` `associate-/l*` `add-log-exp`

Counts

1 → 23

Calls

1 calls:

10.0ms

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

series9.0ms

Counts

1 → 3

Calls

1 calls:

9.0ms

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

simplify98.0ms

Algorithm

egg-herbie

Counts

26 → 26

Iterations

Useful iterations: 1 (6.0ms)

Iter	Nodes	Cost
0	187	192
1	790	156
2	4301	156
3	5002	156

prune43.0ms

Filtered

19 candidates to 26 candidates (-36.8%)

Pruning

2 alts after pruning (2 fresh and 0 done)

	Pruned	Kept	Total
New	24	2	26
Fresh	0	0	0
Picked	1	0	1
Done	0	0	0
Total	25	2	27

Merged error: 0b

Counts

27 → 2

localize13.0ms

Local error

Found 2 expressions with local error:

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

rewrite32.0ms

Algorithm

rewrite-expression-head

Rules

41×	`add-sqr-sqrt`
36×	`*-un-lft-identity`
31×	`times-frac`
22×	`add-cube-cbrt`
19×	`associate-r`
9×	`add-exp-log` `add-cbrt-cube`
7×	`distribute-lft-out--` `difference-of-squares`
5×	`associate-/l*`
4×	`pow1`
3×	`associate-l` `associate-/r*`
2×	`cbrt-undiv` `div-exp` `prod-exp` `cbrt-unprod` `div-inv` `associate-/l/` `add-log-exp` `unswap-sqr`
1×	`flip3--` `frac-2neg` `div-sub` `associate-r/` `pow-prod-down` `clear-num` `-commutative` `flip--`

Counts

2 → 76

Calls

2 calls:

10.0ms	(/ (- x y) z)
17.0ms	(* 4.0 (/ (- x y) z))

series27.0ms

Counts

2 → 6

Calls

2 calls:

10.0ms	(/ (- x y) z)
17.0ms	(* 4.0 (/ (- x y) z))

simplify55.0ms

Algorithm

egg-herbie

Counts

82 → 82

Iterations

Useful iterations: 1 (12.0ms)

Iter	Nodes	Cost
0	275	397
1	1205	366
2	5002	366

prune86.0ms

Filtered

56 candidates to 82 candidates (-46.4%)

Pruning

2 alts after pruning (1 fresh and 1 done)

	Pruned	Kept	Total
New	82	0	82
Fresh	0	1	1
Picked	0	1	1
Done	0	0	0
Total	82	2	84

Merged error: 0b

Counts

84 → 2

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b	(* z (+ (- x y) (* z 0.5)))
0.0b	(* (- x y) (- x y))
4.9b	(- (* (- x y) (- x y)) (* (* z 0.5) (* z 0.5)))
36.8b	(/ (* 4.0 (- (* (- x y) (- x y)) (* (* z 0.5) (* z 0.5)))) (* z (+ (- x y) (* z 0.5))))

rewrite53.0ms

Algorithm

rewrite-expression-head

Rules

24×	`*-un-lft-identity`
22×	`add-sqr-sqrt`
20×	`add-exp-log` `add-cbrt-cube`
13×	`pow1`
10×	`add-cube-cbrt`
8×	`flip3--` `associate-r/` `associate-r` `associate-l*` `flip--`
7×	`swap-sqr`
6×	`prod-exp` `cbrt-unprod` `distribute-lft-out--` `add-log-exp`
5×	`distribute-rgt-in` `sub-neg` `distribute-lft-in` `difference-of-squares`
4×	`cbrt-undiv` `frac-times` `div-exp` `associate--l+`
2×	`flip3-+` `pow-prod-down` `associate-l/` `associate-/r/` `-commutative` `flip-+` `associate-/l/` `unswap-sqr`
1×	`pow2` `frac-2neg` `times-frac` `pow-plus` `diff-log` `clear-num` `associate-/r` `pow-sqr` `pow-prod-up` `div-inv` `associate-/l`

Counts

4 → 109

Calls

4 calls:

10.0ms	(* z (+ (- x y) (* z 0.5)))
9.0ms	(* (- x y) (- x y))
10.0ms	(- (* (- x y) (- x y)) (* (* z 0.5) (* z 0.5)))
21.0ms	(/ (* 4.0 (- (* (- x y) (- x y)) (* (* z 0.5) (* z 0.5)))) (* z (+ (- x y) (* z 0.5))))

series48.0ms

Counts

4 → 12

Calls

4 calls:

6.0ms	(* z (+ (- x y) (* z 0.5)))
4.0ms	(* (- x y) (- x y))
15.0ms	(- (* (- x y) (- x y)) (* (* z 0.5) (* z 0.5)))
22.0ms	(/ (* 4.0 (- (* (- x y) (- x y)) (* (* z 0.5) (* z 0.5)))) (* z (+ (- x y) (* z 0.5))))

simplify97.0ms

Algorithm

egg-herbie

Counts

121 → 121

Iterations

Useful iterations: 2 (85.0ms)

Iter	Nodes	Cost
0	564	1089
1	3320	870
2	5002	866

prune111.0ms

Filtered

72 candidates to 121 candidates (-68.1%)

Pruning

2 alts after pruning (0 fresh and 2 done)

	Pruned	Kept	Total
New	121	0	121
Fresh	0	0	0
Picked	0	1	1
Done	0	1	1
Total	121	2	123

Merged error: 0b

Counts

123 → 2

regimes151.0ms

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	12	5
1	12	5

end0.0ms

sample2.0s

Algorithm

intervals

sampling

Space saved by range analysis: 0%

Space saved by search: 15.863037%

Guaranteed chance to sample good point: 71.802684%

Results

264.0ms	8000×	body	80	valid
15.0ms	476×	body	80	invalid

Details

sample1.6s

simplify55.0ms

prune3.0ms

localize7.0ms

rewrite10.0ms

series9.0ms

simplify98.0ms

prune43.0ms

localize13.0ms

rewrite32.0ms

series27.0ms

simplify55.0ms

prune86.0ms

localize12.0ms

rewrite53.0ms

series48.0ms

simplify97.0ms

prune111.0ms

regimes151.0ms

bsearch0.0ms

simplify1.0ms

end0.0ms

sample2.0s

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