Details

Time bar (total: 15.6s)

sample70.0ms

Algorithm
intervals
Results
45.0ms97×body1280valid
10.0ms134×body80valid
4.0ms15×body640valid
1.0msbody320valid
0.0msbody160valid

simplify8.0ms

Counts
1 → 1
Iterations
IterNodes
310
210
19
06

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.2b

localize21.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1))
0.9b
(- (atan (+ N 1)) (atan N))

rewrite10.0ms

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))
8.0ms
(- (atan (+ N 1)) (atan N))

series23.0ms

Counts
2 → 6
Calls
2 calls:
2.0ms
(atan (+ N 1))
21.0ms
(- (atan (+ N 1)) (atan N))

simplify2.5s

Counts
30 → 30
Iterations
IterNodes
65474
51652
4618
3287
2149
175
041

prune264.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.1b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1 (* (+ N 1) N))
0.0b
(* (+ N 1) N)
0.1b
(atan2 1 (+ 1 (* (+ N 1) N)))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity
pow1 add-cbrt-cube add-exp-log add-cube-cbrt add-log-exp
associate-*l*
associate-*r* insert-posit16
flip3-+ associate-*l/ flip-+
+-commutative sum-log pow-prod-down prod-exp *-commutative cbrt-unprod distribute-lft-out unswap-sqr
Counts
3 → 42
Calls
3 calls:
5.0ms
(+ 1 (* (+ N 1) N))
14.0ms
(* (+ N 1) N)
0.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

series87.0ms

Counts
3 → 9
Calls
3 calls:
16.0ms
(+ 1 (* (+ N 1) N))
68.0ms
(* (+ N 1) N)
2.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

simplify6.9s

Counts
51 → 51
Iterations
IterNodes
48175
31538
2477
1174
072

prune343.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

localize23.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (* (+ N 1) N)) (cbrt (* (+ N 1) N)))
17.0b
(cbrt (* (+ N 1) N))
17.0b
(cbrt (* (+ N 1) N))
17.0b
(cbrt (* (+ N 1) N))

rewrite41.0ms

Algorithm
rewrite-expression-head
Rules
20×associate-*l/
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* insert-posit16 add-log-exp
pow-prod-down associate-*r/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 76
Calls
4 calls:
24.0ms
(* (cbrt (* (+ N 1) N)) (cbrt (* (+ N 1) N)))
5.0ms
(cbrt (* (+ N 1) N))
5.0ms
(cbrt (* (+ N 1) N))
5.0ms
(cbrt (* (+ N 1) N))

series240.0ms

Counts
4 → 12
Calls
4 calls:
69.0ms
(* (cbrt (* (+ N 1) N)) (cbrt (* (+ N 1) N)))
57.0ms
(cbrt (* (+ N 1) N))
63.0ms
(cbrt (* (+ N 1) N))
51.0ms
(cbrt (* (+ N 1) N))

simplify1.1s

Counts
88 → 88
Iterations
IterNodes
32145
2916
1325
0138

prune658.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (cbrt (* (+ N 1) N)) (cbrt (* (+ N 1) N)))
0.6b
(cbrt N)
17.0b
(cbrt (* (+ N 1) N))
17.0b
(cbrt (* (+ N 1) N))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
18×associate-*l/
16×cbrt-div
11×add-sqr-sqrt pow1
cbrt-prod *-un-lft-identity pow1/3 add-cube-cbrt
flip3-+ flip-+
add-exp-log
frac-times add-cbrt-cube swap-sqr associate-*r* associate-*l* insert-posit16 add-log-exp
pow-prod-down associate-*r/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 76
Calls
4 calls:
21.0ms
(* (cbrt (* (+ N 1) N)) (cbrt (* (+ N 1) N)))
1.0ms
(cbrt N)
5.0ms
(cbrt (* (+ N 1) N))
5.0ms
(cbrt (* (+ N 1) N))

series365.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(* (cbrt (* (+ N 1) N)) (cbrt (* (+ N 1) N)))
200.0ms
(cbrt N)
55.0ms
(cbrt (* (+ N 1) N))
50.0ms
(cbrt (* (+ N 1) N))

simplify768.0ms

Counts
88 → 88
Iterations
IterNodes
32222
2958
1352
0154

prune754.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

regimes35.0ms

Accuracy

0% (0.0b remaining)

Error of 0.4b against oracle of 0.3b and baseline of 0.4b

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
29
19
06

end0.0ms

sample1.3s

Algorithm
intervals
Results
743.0ms2905×body1280valid
269.0ms4085×body80valid
99.0ms577×body640valid
41.0ms298×body320valid
13.0ms135×body160valid