Details

Time bar (total: 7.4s)

sample62.0ms

Algorithm
intervals
Results
29.0ms79×body1280valid
11.0ms134×body80valid
8.0ms26×body640valid
2.0ms11×body320valid
1.0msbody160valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune18.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.8b

localize17.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1))
1.9b
(- (atan (+ N 1)) (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 insert-posit16
sub-neg flip3-- diff-log diff-atan flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 24
Calls
2 calls:
3.0ms
(atan (+ N 1))
7.0ms
(- (atan (+ N 1)) (atan N))

series17.0ms

Counts
2 → 6
Calls
2 calls:
2.0ms
(atan (+ N 1))
15.0ms
(- (atan (+ N 1)) (atan N))

simplify2.0s

Counts
30 → 30
Iterations
IterNodes
done5001
54138
41124
3385
2153
177
041

prune80.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.9b

localize12.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (+ N 1) N)
0.9b
(atan2 1 (+ 1 (* (+ N 1) N)))

rewrite282.0ms

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:
281.0ms
(* (+ N 1) N)
0.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

series45.0ms

Counts
2 → 6
Calls
2 calls:
43.0ms
(* (+ N 1) N)
3.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))

simplify489.0ms

Counts
36 → 36
Iterations
IterNodes
done5001
2770
1131
055

prune98.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.9b

localize18.0ms

Local error

Found 4 expressions with local error:

0.9b
(atan2 1 (+ 1 (* (+ N 1) N)))
0.9b
(atan2 1 (+ 1 (* (+ N 1) N)))
13.0b
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
13.0b
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt sqrt-prod
add-cbrt-cube add-exp-log insert-posit16 add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 44
Calls
4 calls:
0.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))
0.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))
1.0ms
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
1.0ms
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))

series36.0ms

Counts
4 → 12
Calls
4 calls:
3.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))
6.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))
13.0ms
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
14.0ms
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))

simplify1.2s

Counts
56 → 56
Iterations
IterNodes
done5002
53194
4944
3333
2129
152
032

prune163.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.9b

localize24.0ms

Local error

Found 4 expressions with local error:

0.9b
(atan2 1 (+ 1 (* (+ N 1) N)))
13.0b
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
13.0b
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
13.0b
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
pow1 *-un-lft-identity add-cube-cbrt
add-cbrt-cube add-exp-log insert-posit16 add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 50
Calls
4 calls:
0.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))
1.0ms
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
1.0ms
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
1.0ms
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))

series45.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1 (+ 1 (* (+ N 1) N)))
14.0ms
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
14.0ms
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))
14.0ms
(sqrt (atan2 1 (+ 1 (* (+ N 1) N))))

simplify1.2s

Counts
62 → 62
Iterations
IterNodes
done5002
53194
4944
3333
2129
152
032

prune201.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.9b

regimes27.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done11
111
06

end0.0ms

sample1.3s

Algorithm
intervals
Results
733.0ms2937×body1280valid
182.0ms3972×body80valid
164.0ms615×body640valid
72.0ms327×body320valid
15.0ms149×body160valid