Details

Time bar (total: 15.8s)

sample74.0ms

Algorithm
intervals
Results
42.0ms86×body1280valid
12.0ms137×body80valid
7.0ms21×body640valid
2.0ms10×body320valid
0.0msbody160valid

simplify10.0ms

Counts
1 → 1

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.2b

localize10.0ms

Local error

Found 1 expressions with local error:

1.0b
(- (atan (+ N 1)) (atan N))

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt *-un-lft-identity
prod-diff
add-cube-cbrt
fma-neg add-log-exp
expm1-log1p-u pow1 sub-neg flip3-- add-cbrt-cube diff-log diff-atan add-exp-log insert-posit16 log1p-expm1-u flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 30
Calls
1 calls:
Slowest
5.0ms
(- (atan (+ N 1)) (atan N))

series13.0ms

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

simplify992.0ms

Counts
33 → 33

prune294.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.4b

localize19.0ms

Local error

Found 1 expressions with local error:

0.4b
(atan2 1 (fma N (+ 1 N) 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 (+ 1 N) 1))

series4.0ms

Counts
1 → 3
Calls
1 calls:
Slowest
4.0ms
(atan2 1 (fma N (+ 1 N) 1))

simplify5.8s

Counts
13 → 13

prune89.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.4b

localize15.0ms

Local error

Found 4 expressions with local error:

14.2b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
14.2b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
0.6b
(* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1))))
0.4b
(atan2 1 (fma N (+ 1 N) 1))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt
24×sqrt-prod
21×pow1
14×*-un-lft-identity add-cube-cbrt
10×sqrt-pow1 pow1/2
swap-sqr
add-cbrt-cube associate-*r* associate-*l* add-exp-log
pow-prod-up
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr
rem-sqrt-square
pow2 rem-square-sqrt pow-plus sqrt-unprod prod-exp *-commutative cbrt-unprod
Counts
4 → 94
Calls
4 calls:
Slowest
10.0ms
(* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1))))
1.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
1.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
0.0ms
(atan2 1 (fma N (+ 1 N) 1))

series32.0ms

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

simplify2.1s

Counts
106 → 106

prune805.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.4b

localize21.0ms

Local error

Found 4 expressions with local error:

14.2b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
14.2b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
14.2b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
0.4b
(atan2 1 (fma N (+ 1 N) 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 (+ 1 N) 1)))
1.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
1.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
0.0ms
(atan2 1 (fma N (+ 1 N) 1))

series49.0ms

Counts
4 → 12
Calls
4 calls:
Slowest
19.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
16.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
12.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
2.0ms
(atan2 1 (fma N (+ 1 N) 1))

simplify3.7s

Counts
70 → 70

prune553.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.4b

regimes33.0ms

Accuracy

0% (0.0b remaining)

Error of 0.4b against oracle of 0.3b and baseline of 0.4b

bsearch1.0ms

end0.0ms

sample1.3s

Algorithm
intervals
Results
723.0ms2872×body1280valid
274.0ms3990×body80valid
117.0ms658×body640valid
44.0ms322×body320valid
16.0ms158×body160valid