Details

Time bar (total: 14.3s)

sample58.0ms

Algorithm
intervals
Results
29.0ms93×body1280valid
8.0ms118×body80valid
7.0ms26×body640valid
3.0ms15×body320valid
1.0msbody160valid

simplify7.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 19.3b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1.0))
1.3b
(- (atan (+ N 1.0)) (atan N))

rewrite7.0ms

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:
1.0ms
(atan (+ N 1.0))
5.0ms
(- (atan (+ N 1.0)) (atan N))

series15.0ms

Counts
2 → 6
Calls
2 calls:
2.0ms
(atan (+ N 1.0))
13.0ms
(- (atan (+ N 1.0)) (atan N))

simplify2.0s

Counts
28 → 28
Iterations

Useful iterations: 4 (227.0ms)

IterNodesCost
040271
176259
2145245
3270241
4534239
51497239
done5000239

prune78.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize7.0ms

Local error

Found 2 expressions with local error:

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

rewrite39.0ms

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:
38.0ms
(* (+ N 1.0) N)
0.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

series71.0ms

Counts
2 → 6
Calls
2 calls:
66.0ms
(* (+ N 1.0) N)
5.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

simplify3.8s

Counts
34 → 34
Iterations

Useful iterations: 2 (73.0ms)

IterNodesCost
055317
1120312
2356264
31001264
44336264
done5002264

prune75.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.2b

localize11.0ms

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)

rewrite15.0ms

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)
1.0ms
(cbrt N)
1.0ms
(cbrt N)

series863.0ms

Counts
4 → 12
Calls
4 calls:
236.0ms
(* (cbrt N) (cbrt N))
211.0ms
(cbrt N)
208.0ms
(cbrt N)
208.0ms
(cbrt N)

simplify3.5s

Counts
85 → 85
Iterations

Useful iterations: done (3.5s)

IterNodesCost
061524
1115417
2319397
31092379
44427374
done5001364

prune275.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.2b

localize18.0ms

Local error

Found 4 expressions with local error:

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

rewrite70.0ms

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:
7.0ms
(cbrt (+ N 1.0))
4.0ms
(cbrt (+ N 1.0))
4.0ms
(cbrt (+ N 1.0))
48.0ms
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))

series388.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(cbrt (+ N 1.0))
94.0ms
(cbrt (+ N 1.0))
92.0ms
(cbrt (+ N 1.0))
111.0ms
(* (cbrt (+ N 1.0)) (cbrt (+ N 1.0)))

simplify1.2s

Counts
107 → 107
Iterations

Useful iterations: done (1.2s)

IterNodesCost
01391485
13071358
27721288
318851148
done50001116

prune271.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.2b

regimes25.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
1129
done129

end0.0ms

sample1.5s

Algorithm
intervals
Results
624.0ms2858×body1280valid
402.0ms297×body320valid
204.0ms4064×body80valid
91.0ms613×body640valid
14.0ms168×body160valid