Details

Time bar (total: 2.9s)

sample34.0ms

Algorithm
intervals
Results
16.0ms97×body1280valid
5.0ms125×body80valid
3.0ms20×body640valid
1.0msbody320valid
0.0msbody160valid

simplify2.0ms

Counts
1 → 1

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.2b

localize7.0ms

Local error

Found 1 expressions with local error:

1.8b
(- (atan (+ N 1.0)) (atan N))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-exp-log add-cube-cbrt sub-neg flip3-- diff-log diff-atan add-cbrt-cube flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 15
Calls
1 calls:
6.0ms
(- (atan (+ N 1.0)) (atan N))

series13.0ms

Counts
1 → 3
Calls
1 calls:
13.0ms
(- (atan (+ N 1.0)) (atan N))

simplify70.0ms

Counts
18 → 18

prune34.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.4b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ 1 (* (+ N 1.0) N))
0.0b
(* (+ N 1.0) N)
0.4b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity
pow1 add-exp-log add-cube-cbrt add-cbrt-cube add-log-exp
associate-*l*
associate-*r*
flip3-+ associate-*l/ flip-+
+-commutative pow-prod-down prod-exp sum-log *-commutative cbrt-unprod distribute-lft-out unswap-sqr
Counts
3 → 39
Calls
3 calls:
7.0ms
(+ 1 (* (+ N 1.0) N))
22.0ms
(* (+ N 1.0) N)
0.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

series75.0ms

Counts
3 → 9
Calls
3 calls:
21.0ms
(+ 1 (* (+ N 1.0) N))
50.0ms
(* (+ N 1.0) N)
3.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

simplify110.0ms

Counts
48 → 48

prune88.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.4b

localize13.0ms

Local error

Found 4 expressions with local error:

0.4b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
0.6b
(* (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))) (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))))
16.4b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
16.4b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt
24×sqrt-prod
21×pow1
14×add-cube-cbrt *-un-lft-identity
10×sqrt-pow1 pow1/2
swap-sqr
add-exp-log associate-*r* associate-*l* add-cbrt-cube
pow-prod-up
add-log-exp unswap-sqr
pow-prod-down pow-sqr
rem-sqrt-square
pow2 pow-plus sqrt-unprod prod-exp rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 82
Calls
4 calls:
0.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
13.0ms
(* (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))) (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))))
1.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
1.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

series43.0ms

Counts
4 → 12
Calls
4 calls:
3.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
4.0ms
(* (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))) (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N)))))
18.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
18.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

simplify106.0ms

Counts
94 → 94

prune142.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.4b

localize17.0ms

Local error

Found 4 expressions with local error:

0.4b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
1.1b
(pow (cbrt (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))) 5)
16.4b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
16.4b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
10×add-cube-cbrt *-un-lft-identity
unpow-prod-down sqrt-prod
pow1
cbrt-prod
add-exp-log
add-cbrt-cube add-log-exp
pow-unpow
rem-sqrt-square pow-pow sqrt-pow1 pow1/2
pow-to-exp pow1/3 pow-exp sqr-pow
Counts
4 → 57
Calls
4 calls:
0.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
5.0ms
(pow (cbrt (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))) 5)
1.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
1.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

series243.0ms

Counts
4 → 12
Calls
4 calls:
4.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
201.0ms
(pow (cbrt (sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))) 5)
22.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
17.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

simplify164.0ms

Counts
69 → 69

prune172.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.4b

regimes21.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

end0.0ms

sample1.4s

Algorithm
intervals
Results
913.0ms2867×body1280valid
195.0ms4065×body80valid
95.0ms595×body640valid
37.0ms327×body320valid
12.0ms146×body160valid