Details

Time bar (total: 12.0s)

sample70.0ms

Algorithm
intervals
Results
38.0ms91×body1280valid
13.0ms141×body80valid
4.0ms11×body640valid
3.0ms12×body320valid
0.0msbody160valid

simplify29.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
29.0ms
(- (atan (+ N 1)) (atan N))

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.8b

localize10.0ms

Local error

Found 2 expressions with local error:

0.6b
(- (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))

series19.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
16.0ms
(- (atan (+ N 1)) (atan N))
2.0ms
(atan (+ N 1))

simplify1.7s

Counts
32 → 46
Calls
32 calls:
Slowest
249.0ms
(fma (* (cbrt (atan (+ N 1))) (cbrt (atan (+ N 1)))) (cbrt (atan (+ N 1))) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N))))))
187.0ms
(fma (sqrt (atan (+ N 1))) (sqrt (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)))))
150.0ms
(fma (- (cbrt (atan N))) (* (cbrt (atan N)) (cbrt (atan N))) (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N)))))
137.0ms
(fma 1 (atan (+ N 1)) (- (* (cbrt (atan N)) (* (cbrt (atan N)) (cbrt (atan N))))))

prune338.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize24.0ms

Local error

Found 1 expressions with local error:

0.1b
(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
4.0ms
(atan2 1 (fma N (+ N 1) 1))

simplify94.0ms

Counts
3 → 13
Calls
3 calls:
Slowest
33.0ms
(atan2 1 (fma N (+ N 1) 1))
30.0ms
(atan2 1 (fma N (+ N 1) 1))
30.0ms
(atan2 1 (fma N (+ N 1) 1))

prune132.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize39.0ms

Local error

Found 4 expressions with local error:

15.1b
(cbrt (atan2 1 (fma N (+ N 1) 1)))
15.1b
(cbrt (atan2 1 (fma N (+ N 1) 1)))
15.1b
(cbrt (atan2 1 (fma N (+ N 1) 1)))
0.2b
(* (cbrt (atan2 1 (fma N (+ N 1) 1))) (cbrt (atan2 1 (fma N (+ N 1) 1))))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×*-un-lft-identity add-cube-cbrt
11×pow1
pow1/3
swap-sqr associate-*r* associate-*l* add-exp-log
expm1-log1p-u add-cbrt-cube insert-posit16 log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 85
Calls
4 calls:
Slowest
16.0ms
(* (cbrt (atan2 1 (fma N (+ N 1) 1))) (cbrt (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)))

series599.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
165.0ms
(* (cbrt (atan2 1 (fma N (+ N 1) 1))) (cbrt (atan2 1 (fma N (+ N 1) 1))))
163.0ms
(cbrt (atan2 1 (fma N (+ N 1) 1)))
137.0ms
(cbrt (atan2 1 (fma N (+ N 1) 1)))
133.0ms
(cbrt (atan2 1 (fma N (+ N 1) 1)))

simplify3.4s

Counts
65 → 97
Calls
65 calls:
Slowest
377.0ms
(pow (pow (atan2 1 (fma N (+ N 1) 1)) 2) 1/3)
343.0ms
(pow (pow (atan2 1 (fma N (+ N 1) 1)) 2) 1/3)
341.0ms
(pow (pow (atan2 1 (fma N (+ N 1) 1)) 2) 1/3)
115.0ms
(* (* (cbrt (cbrt (atan2 1 (fma N (+ N 1) 1)))) (cbrt (cbrt (atan2 1 (fma N (+ N 1) 1))))) (* (cbrt (cbrt (atan2 1 (fma N (+ N 1) 1)))) (cbrt (cbrt (atan2 1 (fma N (+ N 1) 1))))))
106.0ms
(pow (atan2 1 (fma N (+ N 1) 1)) 1/3)

prune1.0s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.1b

localize61.0ms

Local error

Found 4 expressions with local error:

15.1b
(cbrt (atan2 1 (fma N (+ N 1) 1)))
15.1b
(cbrt (atan2 1 (fma N (+ N 1) 1)))
15.1b
(cbrt (atan2 1 (fma N (+ N 1) 1)))
15.1b
(cbrt (atan2 1 (fma N (+ N 1) 1)))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
12×cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube pow1/3 add-exp-log insert-posit16 log1p-expm1-u add-log-exp
Counts
4 → 56
Calls
4 calls:
Slowest
1.0ms
(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)))
1.0ms
(cbrt (atan2 1 (fma N (+ N 1) 1)))

series652.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
180.0ms
(cbrt (atan2 1 (fma N (+ N 1) 1)))
168.0ms
(cbrt (atan2 1 (fma N (+ N 1) 1)))
155.0ms
(cbrt (atan2 1 (fma N (+ N 1) 1)))
148.0ms
(cbrt (atan2 1 (fma N (+ N 1) 1)))

simplify1.3s

Counts
24 → 68
Calls
24 calls:
Slowest
108.0ms
(pow (atan2 1 (fma N (+ N 1) 1)) 1/3)
106.0ms
(pow (atan2 1 (fma N (+ N 1) 1)) 1/3)
103.0ms
(pow (atan2 1 (fma N (+ N 1) 1)) 1/3)
102.0ms
(pow (atan2 1 (fma N (+ N 1) 1)) 1/3)
96.0ms
(pow (atan2 1 (fma N (+ N 1) 1)) 1/3)

prune954.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.1b

regimes33.0ms

Accuracy

0% (0.0b remaining)

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

bsearch1.0ms

end0.0ms

sample1.5s

Algorithm
intervals
Results
812.0ms2839×body1280valid
325.0ms4079×body80valid
148.0ms564×body640valid
64.0ms349×body320valid
18.0ms169×body160valid