Details

Time bar (total: 12.3s)

sample57.0ms

Algorithm
intervals
Results
26.0ms92×body1280valid
8.0ms122×body80valid
6.0ms23×body640valid
3.0ms15×body320valid
1.0msbody160valid

simplify8.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 16.7b

localize11.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1.0))
2.3b
(- (atan (+ N 1.0)) (atan N))

rewrite7.0ms

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))
5.0ms
(- (atan (+ N 1.0)) (atan N))

series24.0ms

Counts
2 → 6
Calls
2 calls:
3.0ms
(atan (+ N 1.0))
21.0ms
(- (atan (+ N 1.0)) (atan N))

simplify2.0s

Counts
28 → 28
Iterations
IterNodes
done5000
51579
4611
3284
2150
176
040

prune140.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.5b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (+ N 1.0) N)
0.0b
(+ 1 (* (+ N 1.0) N))
0.5b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity
pow1 add-cbrt-cube add-exp-log add-cube-cbrt add-log-exp
associate-*l*
associate-*r*
flip3-+ associate-*l/ flip-+
+-commutative sum-log pow-prod-down prod-exp *-commutative cbrt-unprod distribute-lft-out unswap-sqr
Counts
3 → 39
Calls
3 calls:
16.0ms
(* (+ N 1.0) N)
5.0ms
(+ 1 (* (+ N 1.0) N))
0.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

series86.0ms

Counts
3 → 9
Calls
3 calls:
57.0ms
(* (+ N 1.0) N)
24.0ms
(+ 1 (* (+ N 1.0) N))
4.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

simplify1.7s

Counts
48 → 48
Iterations
IterNodes
done5000
31520
2512
1188
073

prune233.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.4b

localize45.0ms

Local error

Found 4 expressions with local error:

0.5b
(atan2 1.0 (* (* (cbrt (+ 1 (* (+ N 1.0) N))) (cbrt (+ 1 (* (+ N 1.0) N)))) (cbrt (+ 1 (* (+ N 1.0) N)))))
15.9b
(cbrt (+ 1 (* (+ N 1.0) N)))
15.9b
(cbrt (+ 1 (* (+ N 1.0) N)))
15.9b
(cbrt (+ 1 (* (+ N 1.0) N)))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
cbrt-div
pow1 add-cbrt-cube add-exp-log add-log-exp
flip3-+ pow1/3 flip-+
Counts
4 → 46
Calls
4 calls:
0.0ms
(atan2 1.0 (* (* (cbrt (+ 1 (* (+ N 1.0) N))) (cbrt (+ 1 (* (+ N 1.0) N)))) (cbrt (+ 1 (* (+ N 1.0) N)))))
5.0ms
(cbrt (+ 1 (* (+ N 1.0) N)))
5.0ms
(cbrt (+ 1 (* (+ N 1.0) N)))
5.0ms
(cbrt (+ 1 (* (+ N 1.0) N)))

series364.0ms

Counts
4 → 12
Calls
4 calls:
9.0ms
(atan2 1.0 (* (* (cbrt (+ 1 (* (+ N 1.0) N))) (cbrt (+ 1 (* (+ N 1.0) N)))) (cbrt (+ 1 (* (+ N 1.0) N)))))
145.0ms
(cbrt (+ 1 (* (+ N 1.0) N)))
106.0ms
(cbrt (+ 1 (* (+ N 1.0) N)))
103.0ms
(cbrt (+ 1 (* (+ N 1.0) N)))

simplify2.3s

Counts
58 → 58
Iterations
IterNodes
done5001
43297
3909
2363
1152
071

prune363.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.4b

localize27.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (+ N 1.0))
0.3b
(cbrt (+ N 1.0))
0.3b
(cbrt (+ N 1.0))
0.5b
(atan2 1.0 (+ 1 (* (* (cbrt (+ N 1.0)) (cbrt (+ N 1.0))) (* (cbrt (+ N 1.0)) N))))

rewrite16.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
12×cbrt-prod
add-sqr-sqrt add-cube-cbrt
cbrt-div
pow1 add-cbrt-cube add-exp-log add-log-exp
flip3-+ pow1/3 flip-+ distribute-lft-out
Counts
4 → 49
Calls
4 calls:
4.0ms
(cbrt (+ N 1.0))
7.0ms
(cbrt (+ N 1.0))
3.0ms
(cbrt (+ N 1.0))
0.0ms
(atan2 1.0 (+ 1 (* (* (cbrt (+ N 1.0)) (cbrt (+ N 1.0))) (* (cbrt (+ N 1.0)) N))))

series314.0ms

Counts
4 → 12
Calls
4 calls:
107.0ms
(cbrt (+ N 1.0))
107.0ms
(cbrt (+ N 1.0))
96.0ms
(cbrt (+ N 1.0))
4.0ms
(atan2 1.0 (+ 1 (* (* (cbrt (+ N 1.0)) (cbrt (+ N 1.0))) (* (cbrt (+ N 1.0)) N))))

simplify2.5s

Counts
61 → 61
Iterations
IterNodes
done5002
44147
31335
2496
1201
092

prune316.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.4b

regimes66.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done12
112
07

end1.0ms

sample1.7s

Algorithm
intervals
Results
1.1s2853×body1280valid
213.0ms4018×body80valid
117.0ms650×body640valid
78.0ms327×body320valid
15.0ms152×body160valid