Details

Time bar (total: 6.8s)

sample27.0ms

Algorithm
intervals
Results
12.0ms90×body1280valid
4.0ms129×body80valid
2.0ms22×body640valid
1.0ms11×body320valid
0.0msbody160valid

simplify3.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
197
2107
done107

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 15.3b

Counts
2 → 1

localize6.0ms

Local error

Found 2 expressions with local error:

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

rewrite5.0ms

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))
4.0ms
(- (atan (+ N 1.0)) (atan N))

series4.0ms

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

simplify1.9s

Counts
28 → 28
Iterations

Useful iterations: 4 (79.0ms)

IterNodesCost
040271
176259
2148245
3253241
4519239
51334239
64799239
done5000239

prune45.0ms

Filtered
19 candidates to 28 candidates (-47.4%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New27128
Fresh000
Picked101
Done000
Total28129

Merged error: 0.2b

Counts
29 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (+ N 1.0) N)
0.2b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

rewrite8.0ms

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:
7.0ms
(* (+ N 1.0) N)
1.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

series7.0ms

Counts
2 → 6
Calls
2 calls:
5.0ms
(* (+ N 1.0) N)
2.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

simplify1.9s

Counts
34 → 34
Iterations

Useful iterations: 3 (161.0ms)

IterNodesCost
055317
1122313
2420267
31267264
44448264
done5000264

prune69.0ms

Filtered
23 candidates to 34 candidates (-47.8%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New30434
Fresh000
Picked011
Done000
Total30535

Merged error: 0.2b

Counts
35 → 5

localize10.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt (* (+ N 1.0) N)) (cbrt (* (+ N 1.0) N)))
15.5b
(cbrt (* (+ N 1.0) N))
15.5b
(cbrt (* (+ N 1.0) N))
15.5b
(cbrt (* (+ N 1.0) N))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
20×associate-*l/
18×cbrt-div
11×pow1
10×add-sqr-sqrt
flip3-+ pow1/3 flip-+
add-cube-cbrt *-un-lft-identity
cbrt-prod
add-exp-log
frac-times swap-sqr associate-*r* associate-*l* add-cbrt-cube add-log-exp
associate-*r/ pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 72
Calls
4 calls:
7.0ms
(* (cbrt (* (+ N 1.0) N)) (cbrt (* (+ N 1.0) N)))
5.0ms
(cbrt (* (+ N 1.0) N))
6.0ms
(cbrt (* (+ N 1.0) N))
9.0ms
(cbrt (* (+ N 1.0) N))

series42.0ms

Counts
4 → 12
Calls
4 calls:
13.0ms
(* (cbrt (* (+ N 1.0) N)) (cbrt (* (+ N 1.0) N)))
10.0ms
(cbrt (* (+ N 1.0) N))
10.0ms
(cbrt (* (+ N 1.0) N))
10.0ms
(cbrt (* (+ N 1.0) N))

simplify871.0ms

Counts
84 → 84
Iterations

Useful iterations: done (868.0ms)

IterNodesCost
01581656
13661545
211421386
336671129
done50011113

prune239.0ms

Filtered
70 candidates to 84 candidates (-20.0%)
Pruning

6 alts after pruning (5 fresh and 1 done)

PrunedKeptTotal
New82284
Fresh033
Picked101
Done011
Total83689

Merged error: 0.1b

Counts
89 → 6

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (pow (cbrt (* (+ N 1.0) N)) 2) (cbrt (* (+ N 1.0) N)))
0.4b
(pow (cbrt (* (+ N 1.0) N)) 2)
15.5b
(cbrt (* (+ N 1.0) N))
15.5b
(cbrt (* (+ N 1.0) N))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
15×add-sqr-sqrt
10×add-exp-log
add-cube-cbrt unpow-prod-down *-un-lft-identity associate-*l*
pow1 cbrt-div associate-*l/
cbrt-prod add-cbrt-cube
associate-*r* unpow2 add-log-exp unswap-sqr
pow-unpow flip3-+ pow1/3 prod-exp flip-+ sqr-pow
pow-to-exp pow-pow associate-*r/ pow-exp
pow-plus pow3 *-commutative pow-prod-up cbrt-unprod
Counts
4 → 76
Calls
4 calls:
8.0ms
(* (pow (cbrt (* (+ N 1.0) N)) 2) (cbrt (* (+ N 1.0) N)))
4.0ms
(pow (cbrt (* (+ N 1.0) N)) 2)
5.0ms
(cbrt (* (+ N 1.0) N))
5.0ms
(cbrt (* (+ N 1.0) N))

series46.0ms

Counts
4 → 12
Calls
4 calls:
10.0ms
(* (pow (cbrt (* (+ N 1.0) N)) 2) (cbrt (* (+ N 1.0) N)))
16.0ms
(pow (cbrt (* (+ N 1.0) N)) 2)
10.0ms
(cbrt (* (+ N 1.0) N))
10.0ms
(cbrt (* (+ N 1.0) N))

simplify546.0ms

Counts
88 → 88
Iterations

Useful iterations: done (543.0ms)

IterNodesCost
01661596
14191401
215381194
done50001028

prune190.0ms

Filtered
65 candidates to 88 candidates (-35.4%)
Pruning

6 alts after pruning (4 fresh and 2 done)

PrunedKeptTotal
New88088
Fresh044
Picked011
Done011
Total88694

Merged error: 0.1b

Counts
94 → 6

regimes44.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
1129
done129

end0.0ms

sample750.0ms

Algorithm
intervals
Results
368.0ms2812×body1280valid
119.0ms4111×body80valid
67.0ms611×body640valid
24.0ms290×body320valid
11.0ms176×body160valid

Profiling

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