Details

Time bar (total: 7.9s)

sample68.0ms

Algorithm
intervals
Results
39.0ms105×body1280valid
10.0ms120×body80valid
5.0ms16×body640valid
3.0ms13×body320valid
0.0msbody160valid

simplify22.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
22.0ms
(- (atan (+ N 1)) (atan N))

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.6b

localize38.0ms

Local error

Found 2 expressions with local error:

1.2b
(- (atan (+ N 1)) (atan N))
0.0b
(atan (+ N 1))

rewrite10.0ms

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
9.0ms
(- (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))
2.0ms
(atan (+ N 1))

simplify1.7s

Counts
32 → 46
Calls
32 calls:
Slowest
179.0ms
(fma (sqrt (atan (+ N 1))) (sqrt (atan (+ N 1))) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N))))))
166.0ms
(fma (* (cbrt (atan (+ N 1))) (cbrt (atan (+ N 1)))) (cbrt (atan (+ N 1))) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N))))))
151.0ms
(fma (- (cbrt (atan N))) (* (cbrt (atan N)) (cbrt (atan N))) (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))
149.0ms
(fma 1 (atan (+ N 1)) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N))))))
117.0ms
(fma (- (cbrt (atan N))) (* (cbrt (atan N)) (cbrt (atan N))) (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))

prune333.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.7b

localize20.0ms

Local error

Found 1 expressions with local error:

0.7b
(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))

series4.0ms

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

simplify81.0ms

Counts
3 → 13
Calls
3 calls:
Slowest
37.0ms
(atan2 1 (fma N (+ N 1) 1))
26.0ms
(atan2 1 (fma N (+ N 1) 1))
17.0ms
(atan2 1 (fma N (+ N 1) 1))

prune132.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.7b

localize20.0ms

Local error

Found 4 expressions with local error:

18.2b
(sqrt (atan2 1 (fma N (+ N 1) 1)))
18.2b
(sqrt (atan2 1 (fma N (+ N 1) 1)))
0.7b
(atan2 1 (fma N (+ N 1) 1))
0.7b
(atan2 1 (fma N (+ N 1) 1))

rewrite4.0ms

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
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))
0.0ms
(atan2 1 (fma N (+ N 1) 1))

series33.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
17.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
12.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
2.0ms
(atan2 1 (fma N (+ N 1) 1))
2.0ms
(atan2 1 (fma N (+ N 1) 1))

simplify612.0ms

Counts
22 → 64
Calls
22 calls:
Slowest
38.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
37.0ms
(atan2 1 (fma N (+ N 1) 1))
36.0ms
(atan2 1 (fma N (+ N 1) 1))
36.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
35.0ms
(atan2 1 (fma N (+ N 1) 1))

prune664.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.6b

localize31.0ms

Local error

Found 4 expressions with local error:

18.2b
(sqrt (atan2 1 (fma N (+ N 1) 1)))
18.2b
(sqrt (atan2 1 (fma N (+ N 1) 1)))
18.2b
(sqrt (atan2 1 (fma N (+ N 1) 1)))
0.7b
(atan2 1 (fma N (+ N 1) 1))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
sqrt-prod
pow1 *-un-lft-identity add-cube-cbrt
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 → 58
Calls
4 calls:
Slowest
1.0ms
(sqrt (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))

series64.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
21.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
21.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
19.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
3.0ms
(atan2 1 (fma N (+ N 1) 1))

simplify757.0ms

Counts
27 → 70
Calls
27 calls:
Slowest
41.0ms
(sqrt (* (cbrt (atan2 1 (fma N (+ N 1) 1))) (cbrt (atan2 1 (fma N (+ N 1) 1)))))
37.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
37.0ms
(sqrt (sqrt (atan2 1 (fma N (+ N 1) 1))))
36.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
35.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))

prune939.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.6b

regimes30.0ms

Accuracy

0% (0.0b remaining)

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

bsearch1.0ms

end0.0ms

sample2.3s

Algorithm
intervals
Results
1.4s2827×body1280valid
369.0ms4033×body80valid
177.0ms629×body640valid
75.0ms351×body320valid
69.0ms160×body160valid