Details

Time bar (total: 15.5s)

sample56.0ms

Algorithm
intervals
Results
23.0ms77×body1280valid
10.0ms137×body80valid
7.0ms28×body640valid
2.0ms10×body320valid
1.0msbody160valid

simplify8.0ms

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: 15.3b

localize10.0ms

Local error

Found 1 expressions with local error:

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

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-exp-log add-cube-cbrt sub-neg flip3-- diff-log diff-atan add-cbrt-cube flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 15
Calls
1 calls:
6.0ms
(- (atan (+ N 1.0)) (atan N))

series13.0ms

Counts
1 → 3
Calls
1 calls:
13.0ms
(- (atan (+ N 1.0)) (atan N))

simplify2.1s

Counts
18 → 18
Iterations

Useful iterations: 4 (229.0ms)

IterNodesCost
036209
173205
2143191
3267187
4533185
51495185
done5000185

prune36.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.3b

localize18.0ms

Local error

Found 2 expressions with local error:

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

rewrite24.0ms

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:
23.0ms
(* (+ N 1.0) N)
1.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

series85.0ms

Counts
2 → 6
Calls
2 calls:
81.0ms
(* (+ N 1.0) N)
4.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

simplify4.4s

Counts
34 → 34
Iterations

Useful iterations: 2 (76.0ms)

IterNodesCost
055317
1120312
2356264
31001264
44336264
done5002264

prune85.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.2b

localize12.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt (* (+ N 1.0) N)) (cbrt (* (+ N 1.0) N)))
13.9b
(cbrt (* (+ N 1.0) N))
13.9b
(cbrt (* (+ N 1.0) N))
13.9b
(cbrt (* (+ N 1.0) N))

rewrite64.0ms

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:
27.0ms
(* (cbrt (* (+ N 1.0) N)) (cbrt (* (+ N 1.0) N)))
15.0ms
(cbrt (* (+ N 1.0) N))
12.0ms
(cbrt (* (+ N 1.0) N))
7.0ms
(cbrt (* (+ N 1.0) N))

series494.0ms

Counts
4 → 12
Calls
4 calls:
141.0ms
(* (cbrt (* (+ N 1.0) N)) (cbrt (* (+ N 1.0) N)))
118.0ms
(cbrt (* (+ N 1.0) N))
106.0ms
(cbrt (* (+ N 1.0) N))
129.0ms
(cbrt (* (+ N 1.0) N))

simplify2.0s

Counts
84 → 84
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01521527
13541427
29731328
328541135
done50011091

prune459.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.2b

localize21.0ms

Local error

Found 4 expressions with local error:

13.9b
(cbrt (* (+ N 1.0) N))
13.9b
(cbrt (* (+ N 1.0) N))
13.9b
(cbrt (* (+ N 1.0) N))
13.9b
(cbrt (* (+ N 1.0) N))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-div associate-*l/
pow1 add-exp-log cbrt-prod add-sqr-sqrt add-cube-cbrt *-un-lft-identity flip3-+ pow1/3 add-cbrt-cube flip-+ add-log-exp
Counts
4 → 44
Calls
4 calls:
13.0ms
(cbrt (* (+ N 1.0) N))
7.0ms
(cbrt (* (+ N 1.0) N))
8.0ms
(cbrt (* (+ N 1.0) N))
7.0ms
(cbrt (* (+ N 1.0) N))

series536.0ms

Counts
4 → 12
Calls
4 calls:
136.0ms
(cbrt (* (+ N 1.0) N))
134.0ms
(cbrt (* (+ N 1.0) N))
142.0ms
(cbrt (* (+ N 1.0) N))
123.0ms
(cbrt (* (+ N 1.0) N))

simplify3.2s

Counts
56 → 56
Iterations

Useful iterations: 4 (1.4s)

IterNodesCost
082988
1192972
2460924
31259784
44444696
done5000696

prune267.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.2b

regimes31.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
079
1129
done129

end0.0ms

sample1.5s

Algorithm
intervals
Results
754.0ms2902×body1280valid
279.0ms4008×body80valid
162.0ms632×body640valid
43.0ms313×body320valid
14.0ms145×body160valid