Details

sample138.0ms

Algorithm

intervals

Results

49.0ms	106×	body	1280	valid
19.0ms	38×	body	10240	exit
17.0ms	55×	body	640	valid
7.0ms	137×	body	80	valid
6.0ms	30×	body	320	valid
6.0ms	20×	body	640	nan
5.0ms	137×	body	80	nan
4.0ms	10×	body	1280	nan
2.0ms	16×	body	160	valid
2.0ms	9×	body	320	nan
1.0ms	8×	body	160	nan

simplify35.0ms

Algorithm

egg-herbie

Counts

1 → 1

Iterations

Useful iterations: 0 (1.0ms)

Iter	Nodes	Cost
0	17	6
1	35	6
2	85	6
3	249	6
4	911	6
5	5001	6

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.3b

localize13.0ms

Local error

Found 3 expressions with local error:

0.8b	(pow x (/ 1.0 n))
1.4b	(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
1.7b	(pow (+ x 1.0) (/ 1.0 n))

rewrite108.0ms

Algorithm

rewrite-expression-head

Rules

76×	`*-un-lft-identity`
73×	`unpow-prod-down`
63×	`add-sqr-sqrt`
56×	`prod-diff`
51×	`add-cube-cbrt`
26×	`pow-unpow`
24×	`sqr-pow`
18×	`times-frac`
10×	`distribute-lft-out`
9×	`difference-of-squares`
8×	`fma-neg`
5×	`pow1` `add-exp-log` `add-log-exp`
3×	`expm1-log1p-u` `add-cbrt-cube` `log1p-expm1-u` `distribute-lft-out--`
2×	`pow-to-exp` `pow-pow` `pow-exp` `div-inv`
1×	`sub-neg` `flip3--` `diff-log` `flip--`

Counts

3 → 149

Calls

3 calls:

4.0ms	(pow x (/ 1.0 n))
88.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
10.0ms	(pow (+ x 1.0) (/ 1.0 n))

series440.0ms

Counts

3 → 9

Calls

3 calls:

57.0ms	(pow x (/ 1.0 n))
248.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
135.0ms	(pow (+ x 1.0) (/ 1.0 n))

simplify66.0ms

Algorithm

egg-herbie

Counts

158 → 158

Iterations

Useful iterations: 2 (47.0ms)

Iter	Nodes	Cost
0	654	2164
1	2164	1642
2	5002	1637

prune324.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 22.2b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b	(expm1 (log1p (pow x (/ 1.0 n))))
0.8b	(pow x (/ 1.0 n))
1.7b	(pow (+ x 1.0) (/ 1.0 n))
34.9b	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))

rewrite101.0ms

Algorithm

rewrite-expression-head

Rules

48×	`*-un-lft-identity`
41×	`add-sqr-sqrt`
36×	`add-cube-cbrt`
26×	`pow-unpow`
24×	`unpow-prod-down` `prod-diff`
18×	`times-frac`
8×	`fma-neg`
7×	`sqr-pow`
6×	`pow1` `add-exp-log` `add-log-exp`
5×	`distribute-lft-out`
4×	`expm1-log1p-u` `add-cbrt-cube` `log1p-expm1-u`
3×	`difference-of-squares`
2×	`pow-to-exp` `pow-pow` `pow-exp` `div-inv` `expm1-udef`
1×	`sub-neg` `expm1-log1p` `flip3--` `diff-log` `flip--` `distribute-lft-out--` `associate--r-`

Counts

4 → 121

Calls

4 calls:

0.0ms	(expm1 (log1p (pow x (/ 1.0 n))))
4.0ms	(pow x (/ 1.0 n))
10.0ms	(pow (+ x 1.0) (/ 1.0 n))
83.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))

series568.0ms

Counts

4 → 12

Calls

4 calls:

82.0ms	(expm1 (log1p (pow x (/ 1.0 n))))
57.0ms	(pow x (/ 1.0 n))
133.0ms	(pow (+ x 1.0) (/ 1.0 n))
296.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))

simplify57.0ms

Algorithm

egg-herbie

Counts

133 → 133

Iterations

Useful iterations: 2 (44.0ms)

Iter	Nodes	Cost
0	556	1604
1	1971	1009
2	5003	997

prune342.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 22.2b

localize16.0ms

Local error

Found 4 expressions with local error:

1.7b	(pow (+ x 1.0) (/ 1.0 n))
34.9b	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
34.9b	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
34.9b	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))

rewrite269.0ms

Algorithm

rewrite-expression-head

Rules

92×	`*-un-lft-identity`
75×	`add-sqr-sqrt`
72×	`prod-diff`
60×	`add-cube-cbrt`
55×	`unpow-prod-down`
24×	`fma-neg`
16×	`sqr-pow`
13×	`pow-unpow` `distribute-lft-out`
10×	`add-log-exp`
9×	`times-frac` `difference-of-squares`
5×	`pow1` `add-exp-log`
4×	`expm1-log1p-u` `add-cbrt-cube` `log1p-expm1-u`
3×	`sub-neg` `flip3--` `diff-log` `flip--` `distribute-lft-out--` `expm1-udef` `associate--r-`
1×	`pow-to-exp` `pow-pow` `pow-exp` `div-inv`

Counts

4 → 183

Calls

4 calls:

10.0ms	(pow (+ x 1.0) (/ 1.0 n))
83.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
83.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
85.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))

series1.0s

Counts

4 → 12

Calls

4 calls:

134.0ms	(pow (+ x 1.0) (/ 1.0 n))
296.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
301.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
292.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))

simplify70.0ms

Algorithm

egg-herbie

Counts

195 → 195

Iterations

Useful iterations: 2 (37.0ms)

Iter	Nodes	Cost
0	420	3765
1	1410	2050
2	5002	1995

prune617.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 22.2b

localize24.0ms

Local error

Found 4 expressions with local error:

34.9b	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
34.9b	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
34.9b	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
34.9b	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))

rewrite343.0ms

Algorithm

rewrite-expression-head

Rules

108×	`*-un-lft-identity`
96×	`prod-diff`
88×	`add-sqr-sqrt`
68×	`add-cube-cbrt` `unpow-prod-down`
32×	`fma-neg`
20×	`sqr-pow`
16×	`distribute-lft-out`
12×	`add-log-exp` `difference-of-squares`
4×	`pow1` `add-exp-log` `expm1-log1p-u` `sub-neg` `flip3--` `diff-log` `add-cbrt-cube` `flip--` `log1p-expm1-u` `distribute-lft-out--` `expm1-udef` `associate--r-`

Counts

4 → 204

Calls

4 calls:

84.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
84.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
83.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
84.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))

series1.2s

Counts

4 → 12

Calls

4 calls:

305.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
298.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
296.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))
305.0ms	(- (pow (+ x 1.0) (/ 1.0 n)) (expm1 (log1p (pow x (/ 1.0 n)))))

simplify63.0ms

Algorithm

egg-herbie

Counts

216 → 216

Iterations

Useful iterations: 2 (31.0ms)

Iter	Nodes	Cost
0	291	4792
1	906	2508
2	5001	2444

prune705.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 22.2b

regimes243.0ms

Accuracy

81.5% (1.6b remaining)

Error of 22.5b against oracle of 20.9b and baseline of 29.6b

bsearch1.0ms

simplify2.0ms

Algorithm

egg-herbie

Iterations

Useful iterations: 0 (0.0ms)

Iter	Nodes	Cost
0	57	67
1	57	67

end0.0ms

sample4.1s

Algorithm

intervals

Results

1.4s	3146×	body	1280	valid
532.0ms	1610×	body	640	valid
424.0ms	1106×	body	10240	exit
286.0ms	612×	body	1280	nan
244.0ms	4664×	body	80	valid
192.0ms	586×	body	640	nan
185.0ms	860×	body	320	valid
175.0ms	4907×	body	80	nan
65.0ms	342×	body	320	nan
59.0ms	440×	body	160	valid
18.0ms	167×	body	160	nan