Details

Time bar (total: 36.6s)

sample198.0ms

Algorithm
intervals
Results
70.0ms103×body1280valid
23.0ms44×body640valid
18.0ms40×body10240exit
12.0ms34×body320valid
11.0ms137×body80valid
10.0ms174×body80nan
10.0ms18×body1280nan
9.0ms18×body640nan
4.0ms13×body320nan
2.0ms11×body160valid
1.0msbody160nan

simplify1.8s

Counts
1 → 1
Iterations
IterNodes
done5000
51264
4252
386
235
117
08

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.5b

localize29.0ms

Local error

Found 3 expressions with local error:

0.7b
(pow x (/ 1.0 n))
1.4b
(pow (+ x 1.0) (/ 1.0 n))
3.6b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite156.0ms

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 log1p-expm1-u distribute-lft-out--
pow-to-exp pow-pow pow-exp div-inv
sub-neg flip3-- diff-log flip--
Counts
3 → 149
Calls
3 calls:
6.0ms
(pow x (/ 1.0 n))
16.0ms
(pow (+ x 1.0) (/ 1.0 n))
124.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series708.0ms

Counts
3 → 9
Calls
3 calls:
90.0ms
(pow x (/ 1.0 n))
186.0ms
(pow (+ x 1.0) (/ 1.0 n))
431.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify1.9s

Counts
158 → 158
Iterations
IterNodes
done5000
22866
1738
0270

prune879.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 19.0b

localize89.0ms

Local error

Found 4 expressions with local error:

1.4b
(pow (+ x 1.0) (/ 1.0 n))
3.6b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
3.6b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
3.6b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite370.0ms

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 log1p-expm1-u
sub-neg flip3-- diff-log flip--
pow-to-exp pow-pow pow-exp div-inv
Counts
4 → 300
Calls
4 calls:
17.0ms
(pow (+ x 1.0) (/ 1.0 n))
100.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
112.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
124.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series1.6s

Counts
4 → 12
Calls
4 calls:
236.0ms
(pow (+ x 1.0) (/ 1.0 n))
451.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
469.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
402.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify2.1s

Counts
312 → 312
Iterations
IterNodes
done5000
22187
1601
0233

prune1.5s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 19.0b

localize114.0ms

Local error

Found 4 expressions with local error:

3.6b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
3.6b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
3.6b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
3.6b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

rewrite427.0ms

Algorithm
rewrite-expression-head
Rules
264×unpow-prod-down
224×*-un-lft-identity prod-diff
180×add-sqr-sqrt
132×add-cube-cbrt
88×sqr-pow
36×distribute-lft-out difference-of-squares
32×fma-neg
12×distribute-lft-out-- add-log-exp
expm1-log1p-u pow1 sub-neg flip3-- add-cbrt-cube diff-log add-exp-log log1p-expm1-u flip--
Counts
4 → 360
Calls
4 calls:
89.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
102.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
105.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
111.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

series1.5s

Counts
4 → 12
Calls
4 calls:
413.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
390.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
353.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
361.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))

simplify1.8s

Counts
372 → 372
Iterations
IterNodes
done5000
21421
1426
0185

prune3.3s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 19.0b

localize121.0ms

Local error

Found 4 expressions with local error:

3.6b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
3.6b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
3.6b
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
4.4b
(- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2)))

rewrite411.0ms

Algorithm
rewrite-expression-head
Rules
270×unpow-prod-down
245×prod-diff
233×*-un-lft-identity
199×add-sqr-sqrt
146×add-cube-cbrt
92×sqr-pow
73×sqrt-prod
39×difference-of-squares
35×fma-neg distribute-lft-out
12×add-log-exp
10×distribute-lft-out--
expm1-log1p-u pow1 sub-neg flip3-- add-cbrt-cube diff-log add-exp-log log1p-expm1-u flip--
Counts
4 → 385
Calls
4 calls:
107.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
81.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
106.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
84.0ms
(- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2)))

series1.7s

Counts
4 → 12
Calls
4 calls:
417.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
393.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
382.0ms
(- (pow (+ x 1.0) (/ 1.0 n)) (pow x (/ 1.0 n)))
536.0ms
(- (sqrt (pow (+ x 1.0) (/ 1.0 n))) (pow x (/ (/ 1.0 n) 2)))

simplify2.5s

Counts
397 → 397
Iterations
IterNodes
done5001
22801
1800
0347

prune4.3s

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 19.0b

regimes376.0ms

Accuracy

85.4% (1.3b remaining)

Error of 22.0b against oracle of 20.7b and baseline of 29.5b

bsearch2.0ms

simplify32.0ms

Iterations
IterNodes
done74
274
170
051

end0.0ms

sample8.7s

Algorithm
intervals
Results
2.6s3152×body1280valid
1.1s1605×body640valid
976.0ms1162×body10240exit
940.0ms4956×body80nan
700.0ms848×body320valid
629.0ms637×body1280nan
494.0ms4648×body80valid
354.0ms632×body640nan
165.0ms491×body160valid
111.0ms313×body320nan
42.0ms199×body160nan