Details

Time bar (total: 7.2s)

sample58.0ms

Algorithm
intervals
Results
27.0ms89×body1280valid
9.0ms130×body80valid
5.0ms22×body640valid
2.0msbody320valid
1.0msbody160valid

simplify6.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune15.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.6b

localize29.0ms

Local error

Found 1 expressions with local error:

1.5b
(- (atan (+ N 1.0)) (atan N))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 sub-neg flip3-- add-cbrt-cube diff-log diff-atan add-exp-log add-cube-cbrt flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 15
Calls
1 calls:
8.0ms
(- (atan (+ N 1.0)) (atan N))

series22.0ms

Counts
1 → 3
Calls
1 calls:
21.0ms
(- (atan (+ N 1.0)) (atan N))

simplify1.6s

Counts
18 → 18
Iterations
IterNodes
done5001
53570
4966
3326
2149
173
036

prune63.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.3b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(* N (+ 1.0 N))
0.3b
(atan2 1.0 (+ (* N (+ 1.0 N)) 1))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity
pow1 add-cbrt-cube associate-*r* add-exp-log add-cube-cbrt
associate-*l*
associate-*r/ add-log-exp
distribute-rgt-in distribute-lft-in flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ distribute-lft-out unswap-sqr
Counts
2 → 30
Calls
2 calls:
19.0ms
(* N (+ 1.0 N))
0.0ms
(atan2 1.0 (+ (* N (+ 1.0 N)) 1))

series66.0ms

Counts
2 → 6
Calls
2 calls:
62.0ms
(* N (+ 1.0 N))
4.0ms
(atan2 1.0 (+ (* N (+ 1.0 N)) 1))

simplify414.0ms

Counts
36 → 36
Iterations
IterNodes
done5001
2758
1156
056

prune152.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.2b

localize27.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt (* N (+ N 1.0))) (cbrt (* N (+ N 1.0))))
14.6b
(cbrt (* N (+ N 1.0)))
14.6b
(cbrt (* N (+ N 1.0)))
14.6b
(cbrt (* N (+ N 1.0)))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
20×associate-*r/
18×cbrt-div
11×pow1
10×add-sqr-sqrt
flip3-+ pow1/3 flip-+
*-un-lft-identity add-cube-cbrt
cbrt-prod
add-exp-log
frac-times add-cbrt-cube swap-sqr associate-*r* associate-*l* add-log-exp
pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 72
Calls
4 calls:
15.0ms
(* (cbrt (* N (+ N 1.0))) (cbrt (* N (+ N 1.0))))
6.0ms
(cbrt (* N (+ N 1.0)))
5.0ms
(cbrt (* N (+ N 1.0)))
9.0ms
(cbrt (* N (+ N 1.0)))

series564.0ms

Counts
4 → 12
Calls
4 calls:
142.0ms
(* (cbrt (* N (+ N 1.0))) (cbrt (* N (+ N 1.0))))
131.0ms
(cbrt (* N (+ N 1.0)))
157.0ms
(cbrt (* N (+ N 1.0)))
134.0ms
(cbrt (* N (+ N 1.0)))

simplify589.0ms

Counts
84 → 84
Iterations
IterNodes
done5000
21635
1388
0152

prune417.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.2b

localize33.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt (* N (+ N 1.0))) (* (cbrt N) (cbrt (+ 1.0 N))))
0.5b
(cbrt N)
14.6b
(cbrt (* N (+ N 1.0)))
14.6b
(cbrt (* N (+ N 1.0)))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
18×associate-*r/
16×cbrt-div
pow1 add-exp-log
flip3-+ flip-+
cbrt-prod add-sqr-sqrt *-un-lft-identity pow1/3 add-cube-cbrt
add-cbrt-cube pow-prod-down
frac-times associate-*l* add-log-exp
prod-exp cbrt-unprod
associate-*l/
associate-*r* *-commutative
Counts
4 → 61
Calls
4 calls:
37.0ms
(* (cbrt (* N (+ N 1.0))) (* (cbrt N) (cbrt (+ 1.0 N))))
1.0ms
(cbrt N)
5.0ms
(cbrt (* N (+ N 1.0)))
6.0ms
(cbrt (* N (+ N 1.0)))

series551.0ms

Counts
4 → 12
Calls
4 calls:
138.0ms
(* (cbrt (* N (+ N 1.0))) (* (cbrt N) (cbrt (+ 1.0 N))))
200.0ms
(cbrt N)
105.0ms
(cbrt (* N (+ N 1.0)))
107.0ms
(cbrt (* N (+ N 1.0)))

simplify613.0ms

Counts
73 → 73
Iterations
IterNodes
done5000
21802
1457
0180

prune386.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.2b

regimes93.0ms

Accuracy

0% (0.0b remaining)

Error of 0.4b against oracle of 0.4b and baseline of 0.4b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done12
112
07

end0.0ms

sample1.3s

Algorithm
intervals
Results
858.0ms2873×body1280valid
160.0ms4029×body80valid
101.0ms344×body320valid
80.0ms589×body640valid
13.0ms165×body160valid