Details

Time bar (total: 10.2s)

sample39.0ms

Algorithm
intervals
Results
20.0ms89×body1280valid
6.0ms134×body80valid
3.0ms17×body640valid
2.0ms12×body320valid
0.0msbody160valid

simplify12.0ms

Counts
1 → 1

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.1b

localize19.0ms

Local error

Found 1 expressions with local error:

0.9b
(- (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))

series12.0ms

Counts
1 → 3
Calls
1 calls:
Slowest
12.0ms
(- (atan (+ N 1)) (atan N))

simplify904.0ms

Counts
46 → 33

prune284.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.4b

localize9.0ms

Local error

Found 2 expressions with local error:

0.4b
(atan2 1 (fma N (+ 1 N) 1))
0.0b
(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
fma-udef
Counts
2 → 21
Calls
2 calls:
Slowest
0.0ms
(atan2 1 (fma N (+ 1 N) 1))
0.0ms
(fma N (+ 1 N) 1)

series32.0ms

Counts
2 → 6
Calls
2 calls:
Slowest
30.0ms
(fma N (+ 1 N) 1)
2.0ms
(atan2 1 (fma N (+ 1 N) 1))

simplify3.6s

Counts
27 → 27

prune162.0ms

Pruning

5 alts after pruning (3 fresh and 2 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))

rewrite11.0ms

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
8.0ms
(* (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
13.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
12.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
6.0ms
(* (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))

simplify1.7s

Counts
117 → 106

prune635.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.4b

localize23.0ms

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))

series43.0ms

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)))
12.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
2.0ms
(atan2 1 (fma N (+ 1 N) 1))

simplify564.0ms

Counts
73 → 70

prune541.0ms

Pruning

7 alts after pruning (3 fresh and 4 done)

Merged error: 0.4b

regimes64.0ms

Accuracy

0% (0.0b remaining)

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

bsearch1.0ms

end0.0ms

sample1.5s

Algorithm
intervals
Results
708.0ms2839×body1280valid
332.0ms323×body320valid
242.0ms4066×body80valid
107.0ms627×body640valid
13.0ms145×body160valid