Details

Time bar (total: 14.5s)

sample32.0ms

Algorithm
intervals
Results
14.0ms90×body1280valid
5.0ms136×body80valid
2.0ms15×body640valid
1.0ms12×body320valid
0.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.0b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1.0))
0.9b
(- (atan (+ N 1.0)) (atan N))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
sub-neg flip3-- diff-log diff-atan flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 22
Calls
2 calls:
2.0ms
(atan (+ N 1.0))
10.0ms
(- (atan (+ N 1.0)) (atan N))

series23.0ms

Counts
2 → 6
Calls
2 calls:
3.0ms
(atan (+ N 1.0))
20.0ms
(- (atan (+ N 1.0)) (atan N))

simplify1.7s

Counts
28 → 28
Iterations

Useful iterations: 4 (177.0ms)

IterNodesCost
040271
176259
2145245
3270241
4534239
51497239
done5000239

prune62.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.1b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (+ N 1.0) N)
0.1b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity
pow1 add-exp-log add-cube-cbrt associate-*l* add-cbrt-cube
associate-*r*
associate-*l/ add-log-exp
flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ distribute-lft-out unswap-sqr
Counts
2 → 28
Calls
2 calls:
21.0ms
(* (+ N 1.0) N)
0.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

series62.0ms

Counts
2 → 6
Calls
2 calls:
58.0ms
(* (+ N 1.0) N)
4.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

simplify4.1s

Counts
34 → 34
Iterations

Useful iterations: 2 (56.0ms)

IterNodesCost
055317
1120312
2356264
31001264
44336264
done5002264

prune77.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize18.0ms

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)

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
11×pow1
pow1/3
add-exp-log swap-sqr associate-*r* associate-*l*
add-cbrt-cube add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 73
Calls
4 calls:
11.0ms
(* (cbrt N) (cbrt N))
1.0ms
(cbrt N)
2.0ms
(cbrt N)
2.0ms
(cbrt N)

series1.1s

Counts
4 → 12
Calls
4 calls:
291.0ms
(* (cbrt N) (cbrt N))
228.0ms
(cbrt N)
281.0ms
(cbrt N)
254.0ms
(cbrt N)

simplify3.9s

Counts
85 → 85
Iterations

Useful iterations: done (3.9s)

IterNodesCost
061524
1115417
2319397
31092379
44427374
done5001364

prune203.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))
0.3b
(cbrt (+ N 1.0))
0.3b
(cbrt (+ N 1.0))
0.3b
(cbrt (+ N 1.0))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
36×cbrt-prod
35×*-un-lft-identity
23×add-sqr-sqrt
18×cbrt-div
15×add-cube-cbrt
11×pow1
flip3-+ pow1/3 swap-sqr flip-+ distribute-lft-out
associate-*r* associate-*l*
add-exp-log
frac-times add-cbrt-cube add-log-exp unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 95
Calls
4 calls:
40.0ms
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))
4.0ms
(cbrt (+ N 1.0))
4.0ms
(cbrt (+ N 1.0))
4.0ms
(cbrt (+ N 1.0))

series385.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))
93.0ms
(cbrt (+ N 1.0))
91.0ms
(cbrt (+ N 1.0))
96.0ms
(cbrt (+ N 1.0))

simplify1.3s

Counts
107 → 107
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01391485
13071358
27761288
319021148
done50011116

prune271.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

regimes18.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
1129
done129

end0.0ms

sample1.1s

Algorithm
intervals
Results
598.0ms2822×body1280valid
189.0ms4091×body80valid
114.0ms612×body640valid
34.0ms323×body320valid
12.0ms152×body160valid