Details

Time bar (total: 38.8s)

sample299.0ms

Algorithm
intervals
Results
112.0ms103×body1280valid
39.0ms32×body10240exit
33.0ms51×body640valid
20.0ms24×body1280nan
19.0ms30×body640nan
17.0ms136×body80valid
16.0ms156×body80nan
15.0ms37×body320valid
5.0ms12×body320nan
2.0msbody160valid
1.0msbody160nan

simplify1.3s

Counts
1 → 1
Iterations
IterNodes
done2099
62099
51210
4275
389
237
119
08

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.2b

localize15.0ms

Local error

Found 3 expressions with local error:

1.0b
(pow x (/ 1 n))
1.3b
(pow (+ x 1) (/ 1 n))
1.4b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

rewrite92.0ms

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
difference-of-squares
fma-neg
pow1 add-exp-log add-log-exp
expm1-log1p-u add-cbrt-cube insert-posit16 log1p-expm1-u distribute-lft-out--
pow-to-exp pow-pow pow-exp div-inv
sub-neg flip3-- diff-log flip--
Counts
3 → 152
Calls
3 calls:
6.0ms
(pow x (/ 1 n))
15.0ms
(pow (+ x 1) (/ 1 n))
67.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

series507.0ms

Counts
3 → 9
Calls
3 calls:
81.0ms
(pow x (/ 1 n))
142.0ms
(pow (+ x 1) (/ 1 n))
284.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

simplify1.6s

Counts
161 → 161
Iterations
IterNodes
done2000
32000
21649
1651
0257

prune1.7s

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 17.2b

localize28.0ms

Local error

Found 4 expressions with local error:

1.0b
(pow x (/ 1 n))
1.3b
(pow (+ x 1) (/ 1 n))
1.4b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
1.4b
(log (exp (- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))))

rewrite205.0ms

Algorithm
rewrite-expression-head
Rules
135×unpow-prod-down
130×*-un-lft-identity
112×prod-diff
108×add-sqr-sqrt
84×add-cube-cbrt
61×log-prod
58×exp-sum
45×sqr-pow
26×pow-unpow
18×times-frac distribute-lft-out difference-of-squares
16×log-pow
15×exp-prod
fma-neg
pow1
add-exp-log distribute-lft-out-- add-log-exp
expm1-log1p-u add-cbrt-cube insert-posit16 log1p-expm1-u
pow-to-exp sub-neg pow-pow pow-exp div-inv
log-div flip3-- exp-diff diff-log rem-log-exp flip--
Counts
4 → 241
Calls
4 calls:
3.0ms
(pow x (/ 1 n))
7.0ms
(pow (+ x 1) (/ 1 n))
58.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
133.0ms
(log (exp (- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))))

series669.0ms

Counts
4 → 12
Calls
4 calls:
96.0ms
(pow x (/ 1 n))
95.0ms
(pow (+ x 1) (/ 1 n))
220.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
259.0ms
(log (exp (- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))))

simplify944.0ms

Counts
253 → 253
Iterations
IterNodes
done2000
22000
1840
0417

prune2.9s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 17.1b

localize63.0ms

Local error

Found 4 expressions with local error:

1.3b
(pow (+ x 1) (/ 1 n))
1.4b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
1.4b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
1.4b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

rewrite217.0ms

Algorithm
rewrite-expression-head
Rules
202×unpow-prod-down
179×*-un-lft-identity
168×prod-diff
144×add-sqr-sqrt
108×add-cube-cbrt
67×sqr-pow
28×distribute-lft-out
27×difference-of-squares
24×fma-neg
13×pow-unpow
10×add-log-exp
times-frac distribute-lft-out--
pow1 add-exp-log
expm1-log1p-u add-cbrt-cube insert-posit16 log1p-expm1-u
sub-neg flip3-- diff-log flip--
pow-to-exp pow-pow pow-exp div-inv
Counts
4 → 304
Calls
4 calls:
7.0ms
(pow (+ x 1) (/ 1 n))
71.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
60.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
74.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

series916.0ms

Counts
4 → 12
Calls
4 calls:
116.0ms
(pow (+ x 1) (/ 1 n))
262.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
288.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
248.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))

simplify1.3s

Counts
316 → 316
Iterations
IterNodes
done2001
32001
21287
1543
0221

prune5.6s

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 17.1b

localize115.0ms

Local error

Found 4 expressions with local error:

1.4b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
1.4b
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
2.7b
(fma (- (pow (cbrt x) (/ 1 n))) (pow (* (cbrt x) (cbrt x)) (/ 1 n)) (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n))))
3.1b
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

rewrite198.0ms

Algorithm
rewrite-expression-head
Rules
132×unpow-prod-down
114×*-un-lft-identity
112×prod-diff
92×add-sqr-sqrt
68×add-cube-cbrt
44×sqr-pow
18×distribute-lft-out difference-of-squares
16×fma-neg
add-log-exp
distribute-lft-out--
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
sub-neg flip3-- diff-log fma-udef flip--
Counts
4 → 204
Calls
4 calls:
111.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
78.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
0.0ms
(fma (- (pow (cbrt x) (/ 1 n))) (pow (* (cbrt x) (cbrt x)) (/ 1 n)) (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n))))
1.0ms
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

series1.4s

Counts
4 → 12
Calls
4 calls:
247.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
263.0ms
(- (pow (+ x 1) (/ 1 n)) (pow x (/ 1 n)))
396.0ms
(fma (- (pow (cbrt x) (/ 1 n))) (pow (* (cbrt x) (cbrt x)) (/ 1 n)) (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n))))
464.0ms
(fma 1 (pow (+ x 1) (/ 1 n)) (- (* (pow (cbrt x) (/ 1 n)) (pow (* (cbrt x) (cbrt x)) (/ 1 n)))))

simplify1.8s

Counts
216 → 216
Iterations
IterNodes
done2006
32006
21828
1642
0277

prune5.7s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 17.1b

regimes381.0ms

Accuracy

88.3% (1.4b remaining)

Error of 18.4b against oracle of 17.0b and baseline of 28.9b

bsearch2.0ms

simplify14.0ms

Iterations
IterNodes
done63
263
161
049

end0.0ms

sample10.9s

Algorithm
intervals
Results
3.4s3133×body1280valid
1.7s1597×body640valid
1.7s1119×body10240exit
795.0ms4634×body80valid
716.0ms660×body1280nan
694.0ms4942×body80nan
526.0ms633×body640nan
441.0ms886×body320valid
165.0ms346×body320nan
142.0ms442×body160valid
90.0ms183×body160nan