Details

Time bar (total: 8.3s)

sample55.0ms

Algorithm
intervals
Results
25.0ms98×body1280valid
13.0ms117×body80valid
5.0ms24×body640valid
2.0ms14×body320valid
0.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.8b

localize8.0ms

Local error

Found 1 expressions with local error:

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

rewrite5.0ms

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 flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 15
Calls
1 calls:
5.0ms
(- (atan (+ N 1.0)) (atan N))

series14.0ms

Counts
1 → 3
Calls
1 calls:
14.0ms
(- (atan (+ N 1.0)) (atan N))

simplify1.8s

Counts
18 → 18
Iterations
IterNodes
done5000
51546
4605
3281
2147
173
036

prune55.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.6b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (+ N 1.0) N)
0.6b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

rewrite20.0ms

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:
19.0ms
(* (+ N 1.0) N)
0.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

series50.0ms

Counts
2 → 6
Calls
2 calls:
46.0ms
(* (+ N 1.0) N)
3.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

simplify1.1s

Counts
34 → 34
Iterations
IterNodes
done5001
31156
2337
1126
055

prune105.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.6b

localize26.0ms

Local error

Found 4 expressions with local error:

0.6b
(atan2 1.0 (+ 1 (* (* (cbrt (* (+ N 1.0) N)) (cbrt (* (+ N 1.0) N))) (cbrt (* (+ N 1.0) N)))))
16.0b
(cbrt (* (+ N 1.0) N))
16.0b
(cbrt (* (+ N 1.0) N))
16.0b
(cbrt (* (+ N 1.0) N))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-div associate-*l/
add-sqr-sqrt pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt add-log-exp
cbrt-prod flip3-+ pow1/3 flip-+
Counts
4 → 40
Calls
4 calls:
0.0ms
(atan2 1.0 (+ 1 (* (* (cbrt (* (+ N 1.0) N)) (cbrt (* (+ N 1.0) N))) (cbrt (* (+ N 1.0) N)))))
6.0ms
(cbrt (* (+ N 1.0) N))
6.0ms
(cbrt (* (+ N 1.0) N))
6.0ms
(cbrt (* (+ N 1.0) N))

series316.0ms

Counts
4 → 12
Calls
4 calls:
7.0ms
(atan2 1.0 (+ 1 (* (* (cbrt (* (+ N 1.0) N)) (cbrt (* (+ N 1.0) N))) (cbrt (* (+ N 1.0) N)))))
102.0ms
(cbrt (* (+ N 1.0) N))
100.0ms
(cbrt (* (+ N 1.0) N))
108.0ms
(cbrt (* (+ N 1.0) N))

simplify1.1s

Counts
52 → 52
Iterations
IterNodes
done5000
31602
2531
1210
095

prune265.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.5b

localize36.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt N)
0.6b
(atan2 1.0 (+ 1 (* (* (* (cbrt (+ N 1.0)) (cbrt N)) (cbrt (* (+ N 1.0) N))) (cbrt (* (+ N 1.0) N)))))
16.0b
(cbrt (* (+ N 1.0) N))
16.0b
(cbrt (* (+ N 1.0) N))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt *-un-lft-identity add-cube-cbrt
pow1 cbrt-div add-cbrt-cube associate-*l/ add-exp-log add-log-exp
pow1/3
flip3-+ flip-+
Counts
4 → 40
Calls
4 calls:
1.0ms
(cbrt N)
0.0ms
(atan2 1.0 (+ 1 (* (* (* (cbrt (+ N 1.0)) (cbrt N)) (cbrt (* (+ N 1.0) N))) (cbrt (* (+ N 1.0) N)))))
6.0ms
(cbrt (* (+ N 1.0) N))
6.0ms
(cbrt (* (+ N 1.0) N))

series419.0ms

Counts
4 → 12
Calls
4 calls:
207.0ms
(cbrt N)
7.0ms
(atan2 1.0 (+ 1 (* (* (* (cbrt (+ N 1.0)) (cbrt N)) (cbrt (* (+ N 1.0) N))) (cbrt (* (+ N 1.0) N)))))
102.0ms
(cbrt (* (+ N 1.0) N))
103.0ms
(cbrt (* (+ N 1.0) N))

simplify1.2s

Counts
52 → 52
Iterations
IterNodes
done5005
31844
2628
1250
0115

prune255.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.5b

regimes43.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done12
112
07

end0.0ms

sample1.3s

Algorithm
intervals
Results
952.0ms2881×body1280valid
147.0ms4036×body80valid
85.0ms625×body640valid
32.0ms302×body320valid
12.0ms156×body160valid