Details

Time bar (total: 2.3s)

sample32.0ms

Algorithm
intervals
Results
15.0ms91×body1280valid
4.0ms124×body80valid
3.0ms24×body640valid
1.0ms12×body320valid
0.0msbody160valid

simplify2.0ms

Counts
1 → 1

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 17.8b

localize6.0ms

Local error

Found 1 expressions with local error:

1.2b
(- (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:
5.0ms
(- (atan (+ N 1.0)) (atan N))

series23.0ms

Counts
1 → 3
Calls
1 calls:
23.0ms
(- (atan (+ N 1.0)) (atan N))

simplify69.0ms

Counts
18 → 18

prune33.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.6b

localize7.0ms

Local error

Found 1 expressions with local error:

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

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-cbrt-cube add-log-exp
Counts
1 → 7
Calls
1 calls:
0.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

series4.0ms

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

simplify300.0ms

Counts
10 → 10

prune27.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.6b

localize9.0ms

Local error

Found 4 expressions with local error:

0.6b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
0.6b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
13.4b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
13.4b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 add-cube-cbrt *-un-lft-identity sqrt-prod
add-exp-log add-cbrt-cube add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 40
Calls
4 calls:
0.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
0.0ms
(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))))

series40.0ms

Counts
4 → 12
Calls
4 calls:
3.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
3.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
16.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
17.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

simplify66.0ms

Counts
52 → 52

prune107.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.6b

localize13.0ms

Local error

Found 4 expressions with local error:

0.6b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
13.4b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
13.4b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
13.4b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
pow1 add-cube-cbrt *-un-lft-identity
add-exp-log add-cbrt-cube add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 46
Calls
4 calls:
0.0ms
(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))))
1.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

series56.0ms

Counts
4 → 12
Calls
4 calls:
3.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
16.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
16.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
17.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

simplify67.0ms

Counts
58 → 58

prune129.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.6b

regimes29.0ms

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

sample1.3s

Algorithm
intervals
Results
548.0ms2857×body1280valid
357.0ms645×body640valid
202.0ms4009×body80valid
32.0ms321×body320valid
13.0ms168×body160valid