Details

Time bar (total: 10.3s)

sample58.0ms

Algorithm
intervals
Results
28.0ms100×body1280valid
9.0ms124×body80valid
4.0ms17×body640valid
2.0ms11×body320valid
0.0msbody160valid

simplify6.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.4b

localize17.0ms

Local error

Found 2 expressions with local error:

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

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-cbrt-cube add-exp-log add-cube-cbrt
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))
8.0ms
(- (atan (+ N 1.0)) (atan N))

series43.0ms

Counts
2 → 6
Calls
2 calls:
3.0ms
(atan (+ N 1.0))
40.0ms
(- (atan (+ N 1.0)) (atan N))

simplify2.1s

Counts
28 → 28
Iterations
IterNodes
done5000
53795
4981
3326
2151
176
040

prune130.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.1b

localize11.0ms

Local error

Found 2 expressions with local error:

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

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity
pow1 add-cbrt-cube associate-*l* add-exp-log add-cube-cbrt
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:
18.0ms
(* (+ 1.0 N) N)
0.0ms
(atan2 1.0 (+ (* (+ 1.0 N) N) 1))

series50.0ms

Counts
2 → 6
Calls
2 calls:
47.0ms
(* (+ 1.0 N) N)
3.0ms
(atan2 1.0 (+ (* (+ 1.0 N) N) 1))

simplify420.0ms

Counts
34 → 34
Iterations
IterNodes
done5000
2698
1127
055

prune217.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 0.1b

localize32.0ms

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)

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×*-un-lft-identity add-cube-cbrt
11×pow1
pow1/3
swap-sqr associate-*r* associate-*l* add-exp-log
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:
18.0ms
(* (cbrt N) (cbrt N))
1.0ms
(cbrt N)
1.0ms
(cbrt N)
1.0ms
(cbrt N)

series1.6s

Counts
4 → 12
Calls
4 calls:
297.0ms
(* (cbrt N) (cbrt N))
244.0ms
(cbrt N)
732.0ms
(cbrt N)
285.0ms
(cbrt N)

simplify1.3s

Counts
85 → 85
Iterations
IterNodes
done5000
2727
1138
061

prune366.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 0.1b

localize49.0ms

Local error

Found 4 expressions with local error:

0.1b
(atan2 1.0 (+ (* (* (* (pow (cbrt -1) 2) (cbrt (pow N 2))) (+ N 1.0)) (cbrt N)) 1))
0.2b
(* (* (* (pow (cbrt -1) 2) (cbrt (pow N 2))) (+ N 1.0)) (cbrt N))
0.6b
(cbrt N)
29.3b
(cbrt (pow N 2))

rewrite170.0ms

Algorithm
rewrite-expression-head
Rules
20×add-exp-log
14×cbrt-prod
12×prod-exp
add-sqr-sqrt pow1 *-un-lft-identity add-cbrt-cube add-cube-cbrt
associate-*r* cbrt-unprod
add-log-exp
unpow-prod-down pow-prod-down
pow1/3 associate-*l/ associate-*r/
pow-to-exp flip3-+ associate-*l* pow-exp *-commutative flip-+ unpow2 sqr-pow
Counts
4 → 61
Calls
4 calls:
0.0ms
(atan2 1.0 (+ (* (* (* (pow (cbrt -1) 2) (cbrt (pow N 2))) (+ N 1.0)) (cbrt N)) 1))
162.0ms
(* (* (* (pow (cbrt -1) 2) (cbrt (pow N 2))) (+ N 1.0)) (cbrt N))
1.0ms
(cbrt N)
3.0ms
(cbrt (pow N 2))

series722.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(atan2 1.0 (+ (* (* (* (pow (cbrt -1) 2) (cbrt (pow N 2))) (+ N 1.0)) (cbrt N)) 1))
191.0ms
(* (* (* (pow (cbrt -1) 2) (cbrt (pow N 2))) (+ N 1.0)) (cbrt N))
253.0ms
(cbrt N)
247.0ms
(cbrt (pow N 2))

simplify1.4s

Counts
73 → 73
Iterations
IterNodes
done5000
22383
1353
0135

prune295.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.1b

regimes89.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done12
112
07

end0.0ms

sample1.2s

Algorithm
intervals
Results
617.0ms2854×body1280valid
229.0ms4046×body80valid
94.0ms617×body640valid
69.0ms326×body320valid
13.0ms157×body160valid