Details

sample58.0ms

Algorithm

intervals

Results

13.0ms	133×	body	320	valid
10.0ms	257×	body	80	nan
9.0ms	513×	pre	80	true
5.0ms	77×	body	160	valid
3.0ms	19×	body	640	valid
1.0ms	27×	body	80	valid

simplify12.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (2.0ms)

Iter	Nodes	Cost
0	22	9
1	43	9
2	83	9
3	110	9
4	118	9
5	118	9

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: 52.7b

Counts

2 → 1

localize10.0ms

Local error

Found 4 expressions with local error:

0.1b	(- (* b b) (* (* 3.0 a) c))
0.2b	(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
0.3b	(* (* 3.0 a) c)
22.6b	(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

rewrite33.0ms

Algorithm

rewrite-expression-head

Rules

22×	`*-un-lft-identity`
14×	`add-exp-log` `add-cbrt-cube`
10×	`add-sqr-sqrt` `add-cube-cbrt` `fma-def` `add-log-exp`
9×	`pow1`
6×	`distribute-rgt-neg-in` `distribute-lft-out`
5×	`times-frac` `associate-/l*`
4×	`expm1-log1p-u` `prod-exp` `cbrt-unprod` `log1p-expm1-u`
3×	`distribute-lft-neg-in` `associate-r` `pow-prod-down`
2×	`cbrt-undiv` `neg-sub0` `associate-+l-` `flip3-+` `div-exp` `sum-log` `flip-+` `associate-/l/`
1×	`+-commutative` `neg-mul-1` `sub-neg` `flip3--` `frac-2neg` `fma-neg` `diff-log` `div-sub` `associate-l` `prod-diff` `neg-log` `clear-num` `associate-/r` `-commutative` `flip--` `div-inv`

Counts

4 → 93

Calls

4 calls:

4.0ms	(- (* b b) (* (* 3.0 a) c))
13.0ms	(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
5.0ms	(* (* 3.0 a) c)
9.0ms	(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

series261.0ms

Counts

4 → 12

Calls

4 calls:

45.0ms	(- (* b b) (* (* 3.0 a) c))
113.0ms	(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
20.0ms	(* (* 3.0 a) c)
82.0ms	(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

simplify63.0ms

Algorithm

egg-herbie

Counts

105 → 105

Iterations

Useful iterations: 2 (54.0ms)

Iter	Nodes	Cost
0	449	785
1	2075	672
2	5002	663

prune246.0ms

Filtered

105 candidates to 78 candidates (74.3%)

Pruning

11 alts after pruning (11 fresh and 0 done)

	Pruned	Kept	Total
New	94	11	105
Fresh	0	0	0
Picked	1	0	1
Done	0	0	0
Total	95	11	106

Merged error: 2.8b

Counts

106 → 11

localize4.0ms

rewrite0.0ms

Algorithm

rewrite-expression-head

Rules

Counts

0 → 0

series0.0ms

Counts: 0 → 0

simplify3.0ms

Algorithm

egg-herbie

Counts

0 → 0

Iterations

Useful iterations: 0 (1.0ms)

Iter	Nodes	Cost
0	0	0

prune28.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

	Kept	Total
New	0	0
Fresh	10	10
Picked	1	1
Done	0	0
Total	11	11

Merged error: 2.8b

Counts

11 → 11

localize7.0ms

Local error

Found 3 expressions with local error:

0.3b	(/ (* a c) b)
0.3b	(* -1.5 (/ (* a c) b))
0.4b	(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

rewrite23.0ms

Algorithm

rewrite-expression-head

Rules

49×	`add-exp-log` `add-cbrt-cube`
17×	`prod-exp` `cbrt-unprod`
16×	`cbrt-undiv` `div-exp`
10×	`add-sqr-sqrt`
8×	`add-cube-cbrt` `*-un-lft-identity`
7×	`times-frac` `associate-r`
5×	`pow1`
4×	`associate-/r*`
3×	`expm1-log1p-u` `associate-l` `log1p-expm1-u` `div-inv` `add-log-exp`
2×	`frac-2neg` `associate-r/` `clear-num` `associate-/l`
1×	`pow-prod-down` `*-commutative` `associate-/l/` `unswap-sqr`

Counts

3 → 84

Calls

3 calls:

4.0ms	(/ (* a c) b)
7.0ms	(* -1.5 (/ (* a c) b))
9.0ms	(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

series74.0ms

Counts

3 → 9

Calls

3 calls:

24.0ms	(/ (* a c) b)
28.0ms	(* -1.5 (/ (* a c) b))
21.0ms	(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

simplify59.0ms

Algorithm

egg-herbie

Counts

93 → 93

Iterations

Useful iterations: 1 (13.0ms)

Iter	Nodes	Cost
0	383	531
1	2513	389
2	5002	389

prune167.0ms

Filtered

93 candidates to 54 candidates (58.1%)

Pruning

21 alts after pruning (20 fresh and 1 done)

	Pruned	Kept	Total
New	82	11	93
Fresh	0	9	9
Picked	1	0	1
Done	0	1	1
Total	83	21	104

Merged error: 2.8b

Counts

104 → 21

localize7.0ms

Local error

Found 3 expressions with local error:

0.3b	(/ (* a c) b)
0.3b	(/ -1.5 (/ (* 3.0 a) (/ (* a c) b)))
0.3b	(/ (* 3.0 a) (/ (* a c) b))

rewrite27.0ms

Algorithm

rewrite-expression-head

Rules

92×	`times-frac`
58×	`add-exp-log` `add-cbrt-cube`
34×	`add-sqr-sqrt` `add-cube-cbrt` `*-un-lft-identity`
29×	`cbrt-undiv` `div-exp`
22×	`associate-/r*`
13×	`div-inv`
11×	`prod-exp` `cbrt-unprod`
6×	`associate-/r/`
5×	`associate-/l*`
3×	`pow1` `expm1-log1p-u` `frac-2neg` `clear-num` `log1p-expm1-u` `add-log-exp`

Counts

3 → 141

Calls

3 calls:

4.0ms	(/ (* a c) b)
9.0ms	(/ -1.5 (/ (* 3.0 a) (/ (* a c) b)))
7.0ms	(/ (* 3.0 a) (/ (* a c) b))

series66.0ms

Counts

3 → 9

Calls

3 calls:

25.0ms	(/ (* a c) b)
20.0ms	(/ -1.5 (/ (* 3.0 a) (/ (* a c) b)))
21.0ms	(/ (* 3.0 a) (/ (* a c) b))

simplify77.0ms

Algorithm

egg-herbie

Counts

150 → 150

Iterations

Useful iterations: 2 (65.0ms)

Iter	Nodes	Cost
0	593	1072
1	3353	883
2	5002	851

prune214.0ms

Filtered

150 candidates to 107 candidates (71.3%)

Pruning

21 alts after pruning (20 fresh and 1 done)

	Pruned	Kept	Total
New	145	5	150
Fresh	4	15	19
Picked	1	0	1
Done	0	1	1
Total	150	21	171

Merged error: 2.8b

Counts

171 → 21

regimes362.0ms

Accuracy

9.6% (2.8b remaining)

Error of 5.4b against oracle of 2.6b and baseline of 5.7b

bsearch2.0ms

simplify1.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	27	27
1	27	27

end0.0ms

sample1.6s

Algorithm

intervals

Results

363.0ms	3657×	body	320	valid
307.0ms	16171×	pre	80	true
255.0ms	8171×	body	80	nan
198.0ms	2983×	body	160	valid
68.0ms	522×	body	640	valid
28.0ms	838×	body	80	valid