Details

Time bar (total: 8.9s)

sample62.0ms

Algorithm
intervals
Results
33.0ms91×body1280valid
10.0ms130×body80valid
6.0ms22×body640valid
1.0msbody320valid
1.0msbody160valid

simplify20.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
20.0ms
(- (atan (+ N 1)) (atan N))

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.3b

localize10.0ms

Local error

Found 2 expressions with local error:

1.7b
(- (atan (+ N 1)) (atan N))
0.0b
(atan (+ N 1))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
prod-diff add-cube-cbrt
add-log-exp
fma-neg
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u
sub-neg flip3-- diff-log diff-atan flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 40
Calls
2 calls:
Slowest
5.0ms
(- (atan (+ N 1)) (atan N))
1.0ms
(atan (+ N 1))

series14.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
12.0ms
(- (atan (+ N 1)) (atan N))
3.0ms
(atan (+ N 1))

simplify1.7s

Counts
32 → 46
Calls
32 calls:
Slowest
201.0ms
(fma (sqrt (atan (+ N 1))) (sqrt (atan (+ N 1))) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N))))))
193.0ms
(fma (* (cbrt (atan (+ N 1))) (cbrt (atan (+ N 1)))) (cbrt (atan (+ N 1))) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N))))))
136.0ms
(fma 1 (atan (+ N 1)) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N))))))
132.0ms
(fma (- (cbrt (atan N))) (* (cbrt (atan N)) (cbrt (atan N))) (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))
123.0ms
(fma (- (cbrt (atan N))) (* (cbrt (atan N)) (cbrt (atan N))) (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))

prune363.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.9b

localize20.0ms

Local error

Found 1 expressions with local error:

0.9b
(atan2 1 (fma N (+ N 1) 1))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt expm1-log1p-u pow1 *-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt insert-posit16 log1p-expm1-u add-log-exp
Counts
1 → 10
Calls
1 calls:
Slowest
1.0ms
(atan2 1 (fma N (+ N 1) 1))

series3.0ms

Counts
1 → 3
Calls
1 calls:
Slowest
3.0ms
(atan2 1 (fma N (+ N 1) 1))

simplify96.0ms

Counts
3 → 13
Calls
3 calls:
Slowest
38.0ms
(atan2 1 (fma N (+ N 1) 1))
34.0ms
(atan2 1 (fma N (+ N 1) 1))
23.0ms
(atan2 1 (fma N (+ N 1) 1))

prune138.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.9b

localize16.0ms

Local error

Found 4 expressions with local error:

14.3b
(sqrt (atan2 1 (fma N (+ N 1) 1)))
14.3b
(sqrt (atan2 1 (fma N (+ N 1) 1)))
0.9b
(atan2 1 (fma N (+ N 1) 1))
0.9b
(atan2 1 (fma N (+ N 1) 1))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt sqrt-prod
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 52
Calls
4 calls:
Slowest
3.0ms
(atan2 1 (fma N (+ N 1) 1))
1.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
1.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
0.0ms
(atan2 1 (fma N (+ N 1) 1))

series43.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
21.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
15.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
3.0ms
(atan2 1 (fma N (+ N 1) 1))
3.0ms
(atan2 1 (fma N (+ N 1) 1))

simplify862.0ms

Counts
22 → 64
Calls
22 calls:
Slowest
75.0ms
(sqrt (* (cbrt (atan2 1 (fma N (+ N 1) 1))) (cbrt (atan2 1 (fma N (+ N 1) 1)))))
72.0ms
(sqrt (* (cbrt (atan2 1 (fma N (+ N 1) 1))) (cbrt (atan2 1 (fma N (+ N 1) 1)))))
70.0ms
(sqrt (sqrt (atan2 1 (fma N (+ N 1) 1))))
67.0ms
(sqrt (sqrt (atan2 1 (fma N (+ N 1) 1))))
51.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))

prune590.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.9b

localize62.0ms

Local error

Found 4 expressions with local error:

14.7b
(cbrt (atan2 1 (fma N (+ N 1) 1)))
14.7b
(cbrt (atan2 1 (fma N (+ N 1) 1)))
14.7b
(cbrt (atan2 1 (fma N (+ N 1) 1)))
14.3b
(sqrt (atan2 1 (fma N (+ N 1) 1)))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
pow1/3 sqrt-prod
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 58
Calls
4 calls:
Slowest
2.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
2.0ms
(cbrt (atan2 1 (fma N (+ N 1) 1)))
1.0ms
(cbrt (atan2 1 (fma N (+ N 1) 1)))
1.0ms
(cbrt (atan2 1 (fma N (+ N 1) 1)))

series482.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
157.0ms
(cbrt (atan2 1 (fma N (+ N 1) 1)))
154.0ms
(cbrt (atan2 1 (fma N (+ N 1) 1)))
149.0ms
(cbrt (atan2 1 (fma N (+ N 1) 1)))
21.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))

simplify1.6s

Counts
26 → 70
Calls
26 calls:
Slowest
147.0ms
(pow (atan2 1 (fma N (+ N 1) 1)) 1/3)
132.0ms
(pow (atan2 1 (fma N (+ N 1) 1)) 1/3)
124.0ms
(pow (atan2 1 (fma N (+ N 1) 1)) 1/3)
118.0ms
(pow (atan2 1 (fma N (+ N 1) 1)) 1/3)
106.0ms
(pow (atan2 1 (fma N (+ N 1) 1)) 1/3)

prune869.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.9b

regimes106.0ms

Accuracy

0% (0.0b remaining)

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

bsearch1.0ms

end0.0ms

sample1.8s

Algorithm
intervals
Results
1.1s2849×body1280valid
350.0ms4051×body80valid
157.0ms632×body640valid
62.0ms312×body320valid
21.0ms156×body160valid