Details

Time bar (total: 10.3s)

sample59.0ms

Algorithm
intervals
Results
36.0ms98×body1280valid
8.0ms123×body80valid
5.0ms20×body640valid
2.0ms10×body320valid
1.0msbody160valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.3b

localize21.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1))
2.0b
(- (atan (+ N 1)) (atan N))

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16
sub-neg flip3-- diff-log diff-atan flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 24
Calls
2 calls:
2.0ms
(atan (+ N 1))
9.0ms
(- (atan (+ N 1)) (atan N))

series23.0ms

Counts
2 → 6
Calls
2 calls:
3.0ms
(atan (+ N 1))
20.0ms
(- (atan (+ N 1)) (atan N))

simplify917.0ms

Counts
30 → 30
Iterations
IterNodes
done2000
52000
4719
3313
2151
177
041

prune251.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.4b

localize23.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (+ N 1) N)
0.4b
(atan2 1 (+ 1 (* (+ N 1) N)))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity
pow1 add-cbrt-cube associate-*l* add-exp-log add-cube-cbrt
associate-*r*
associate-*l/ insert-posit16 add-log-exp
flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ distribute-lft-out unswap-sqr
Counts
2 → 30
Calls
2 calls:
21.0ms
(* (+ N 1) N)
1.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

series77.0ms

Counts
2 → 6
Calls
2 calls:
74.0ms
(* (+ N 1) N)
3.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

simplify1.3s

Counts
36 → 36
Iterations
IterNodes
done2002
42002
3706
2266
1121
055

prune271.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.4b

localize23.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt N) (cbrt N))
0.6b
(cbrt N)
0.6b
(cbrt N)
0.6b
(cbrt N)

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×*-un-lft-identity add-cube-cbrt
11×pow1
pow1/3
swap-sqr associate-*r* associate-*l* add-exp-log
add-cbrt-cube insert-posit16 add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 77
Calls
4 calls:
8.0ms
(* (cbrt N) (cbrt N))
1.0ms
(cbrt N)
3.0ms
(cbrt N)
1.0ms
(cbrt N)

series1.2s

Counts
4 → 12
Calls
4 calls:
337.0ms
(* (cbrt N) (cbrt N))
346.0ms
(cbrt N)
252.0ms
(cbrt N)
313.0ms
(cbrt N)

simplify1.1s

Counts
89 → 89
Iterations
IterNodes
done2007
42007
31045
2380
1138
063

prune771.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.4b

localize25.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* (+ N 1) (cbrt (* N N))) (cbrt N))
0.4b
(atan2 1 (+ 1 (* (* (+ N 1) (cbrt (* N N))) (cbrt N))))
0.6b
(cbrt N)
32.6b
(cbrt (* N N))

rewrite43.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log
cbrt-prod add-sqr-sqrt *-un-lft-identity add-cube-cbrt
add-cbrt-cube associate-*r*
associate-*l/ insert-posit16 add-log-exp
pow-prod-down prod-exp cbrt-unprod
pow1/3
flip3-+ associate-*l* *-commutative flip-+
Counts
4 → 54
Calls
4 calls:
38.0ms
(* (* (+ N 1) (cbrt (* N N))) (cbrt N))
0.0ms
(atan2 1 (+ 1 (* (* (+ N 1) (cbrt (* N N))) (cbrt N))))
1.0ms
(cbrt N)
3.0ms
(cbrt (* N N))

series517.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(* (* (+ N 1) (cbrt (* N N))) (cbrt N))
8.0ms
(atan2 1 (+ 1 (* (* (+ N 1) (cbrt (* N N))) (cbrt N))))
220.0ms
(cbrt N)
208.0ms
(cbrt (* N N))

simplify1.0s

Counts
66 → 66
Iterations
IterNodes
done2005
32005
2747
1245
0103

prune672.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.4b

regimes50.0ms

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
done11
111
06

end0.0ms

sample1.8s

Algorithm
intervals
Results
1.2s2890×body1280valid
258.0ms3991×body80valid
137.0ms644×body640valid
95.0ms298×body320valid
20.0ms177×body160valid