Details

Time bar (total: 7.4s)

sample47.0ms

Algorithm
intervals
Results
21.0ms86×body1280valid
8.0ms134×body80valid
6.0ms27×body640valid
1.0msbody320valid
0.0msbody160valid

simplify9.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.2b

localize23.0ms

Local error

Found 1 expressions with local error:

1.0b
(- (atan (+ N 1)) (atan N))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 sub-neg flip3-- add-cbrt-cube diff-log diff-atan add-exp-log add-cube-cbrt insert-posit16 flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 16
Calls
1 calls:
9.0ms
(- (atan (+ N 1)) (atan N))

series20.0ms

Counts
1 → 3
Calls
1 calls:
20.0ms
(- (atan (+ N 1)) (atan N))

simplify999.0ms

Counts
19 → 19
Iterations
IterNodes
done2000
51968
4692
3307
2147
173
036

prune60.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.5b

localize24.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (+ N 1) N)
0.5b
(atan2 1 (+ 1 (* (+ N 1) N)))

rewrite33.0ms

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/ insert-posit16 add-log-exp
flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ distribute-lft-out unswap-sqr
Counts
2 → 30
Calls
2 calls:
32.0ms
(* (+ N 1) N)
1.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

series76.0ms

Counts
2 → 6
Calls
2 calls:
71.0ms
(* (+ N 1) N)
4.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

simplify564.0ms

Counts
36 → 36
Iterations
IterNodes
done2001
3706
2266
1121
055

prune119.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.5b

localize38.0ms

Local error

Found 4 expressions with local error:

0.2b
(cbrt (+ N 1))
0.2b
(cbrt (+ N 1))
0.3b
(* (cbrt (+ N 1)) (cbrt (+ N 1)))
0.5b
(atan2 1 (+ 1 (* (* (cbrt (+ N 1)) (cbrt (+ N 1))) (* (cbrt (+ N 1)) N))))

rewrite33.0ms

Algorithm
rewrite-expression-head
Rules
32×cbrt-prod *-un-lft-identity
22×add-sqr-sqrt
16×cbrt-div
14×add-cube-cbrt
11×pow1
swap-sqr
flip3-+ pow1/3 flip-+ distribute-lft-out
associate-*r* associate-*l*
add-exp-log
frac-times add-cbrt-cube insert-posit16 add-log-exp unswap-sqr
pow-prod-down associate-*l/ associate-*r/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 92
Calls
4 calls:
2.0ms
(cbrt (+ N 1))
2.0ms
(cbrt (+ N 1))
26.0ms
(* (cbrt (+ N 1)) (cbrt (+ N 1)))
0.0ms
(atan2 1 (+ 1 (* (* (cbrt (+ N 1)) (cbrt (+ N 1))) (* (cbrt (+ N 1)) N))))

series128.0ms

Counts
4 → 12
Calls
4 calls:
44.0ms
(cbrt (+ N 1))
44.0ms
(cbrt (+ N 1))
37.0ms
(* (cbrt (+ N 1)) (cbrt (+ N 1)))
3.0ms
(atan2 1 (+ 1 (* (* (cbrt (+ N 1)) (cbrt (+ N 1))) (* (cbrt (+ N 1)) N))))

simplify1.1s

Counts
104 → 104
Iterations
IterNodes
done2001
31688
2752
1307
0138

prune459.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.5b

localize54.0ms

Local error

Found 4 expressions with local error:

0.2b
(cbrt (+ N 1))
0.3b
(cbrt (- N 1))
0.5b
(atan2 1 (+ 1 (* (/ (* (cbrt (* (+ N 1) (- N 1))) (cbrt (+ N 1))) (cbrt (- N 1))) (* (cbrt (+ N 1)) N))))
15.4b
(cbrt (* (+ N 1) (- N 1)))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod cbrt-div
11×*-un-lft-identity
10×add-sqr-sqrt
add-cube-cbrt
frac-times pow1 flip3-+ flip3-- add-cbrt-cube add-exp-log flip-+ insert-posit16 flip-- add-log-exp
pow1/3
associate-*l/ associate-*r/ difference-of-squares
difference-of-sqr-1 distribute-lft-out distribute-lft-out--
Counts
4 → 59
Calls
4 calls:
3.0ms
(cbrt (+ N 1))
3.0ms
(cbrt (- N 1))
0.0ms
(atan2 1 (+ 1 (* (/ (* (cbrt (* (+ N 1) (- N 1))) (cbrt (+ N 1))) (cbrt (- N 1))) (* (cbrt (+ N 1)) N))))
8.0ms
(cbrt (* (+ N 1) (- N 1)))

series311.0ms

Counts
4 → 12
Calls
4 calls:
61.0ms
(cbrt (+ N 1))
52.0ms
(cbrt (- N 1))
3.0ms
(atan2 1 (+ 1 (* (/ (* (cbrt (* (+ N 1) (- N 1))) (cbrt (+ N 1))) (cbrt (- N 1))) (* (cbrt (+ N 1)) N))))
194.0ms
(cbrt (* (+ N 1) (- N 1)))

simplify748.0ms

Counts
71 → 71
Iterations
IterNodes
done2000
21207
1433
0195

prune505.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.4b

regimes50.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done11
111
06

end0.0ms

sample1.9s

Algorithm
intervals
Results
1.2s2896×body1280valid
324.0ms4033×body80valid
173.0ms642×body640valid
90.0ms269×body320valid
25.0ms160×body160valid