Details

Time bar (total: 14.7s)

sample48.0ms

Algorithm
intervals
Results
25.0ms93×body1280valid
8.0ms126×body80valid
4.0ms21×body640valid
2.0ms12×body320valid
1.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
310
210
19
06

prune20.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.4b

localize23.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1))
1.6b
(- (atan (+ N 1)) (atan N))

rewrite13.0ms

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:
2.0ms
(atan (+ N 1))
10.0ms
(- (atan (+ N 1)) (atan N))

series22.0ms

Counts
2 → 6
Calls
2 calls:
2.0ms
(atan (+ N 1))
20.0ms
(- (atan (+ N 1)) (atan N))

simplify1.3s

Counts
46 → 46
Iterations
IterNodes
42081
3752
2286
1138
067

prune361.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.1b

localize10.0ms

Local error

Found 1 expressions with local error:

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

rewrite0.0ms

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

series2.0ms

Counts
1 → 3
Calls
1 calls:
2.0ms
(atan2 1 (fma N (+ 1 N) 1))

simplify7.0s

Counts
13 → 13
Iterations
IterNodes
107671
91595
8509
7227
6133
594
472
355
235
123
018

prune97.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize31.0ms

Local error

Found 4 expressions with local error:

0.1b
(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))))
15.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
15.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

rewrite13.0ms

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:
0.0ms
(atan2 1 (fma N (+ 1 N) 1))
9.0ms
(* (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)))

series38.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(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))))
13.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
21.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

simplify789.0ms

Counts
106 → 106
Iterations
IterNodes
42466
3537
2233
1120
069

prune857.0ms

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.1b

localize24.0ms

Local error

Found 4 expressions with local error:

0.6b
(* (* (sqrt (sqrt (atan2 1 (fma N (+ 1 N) 1)))) (sqrt (sqrt (atan2 1 (fma N (+ 1 N) 1))))) (sqrt (atan2 1 (fma N (+ 1 N) 1))))
15.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
15.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
15.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

rewrite50.0ms

Algorithm
rewrite-expression-head
Rules
60×sqrt-pow1
51×pow1
36×pow1/2
34×pow-prod-up
16×add-sqr-sqrt
14×sqrt-prod
*-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
pow-sqr
pow-prod-down
pow-plus associate-*r*
expm1-log1p-u insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square prod-exp cbrt-unprod
sqrt-unprod swap-sqr unswap-sqr
associate-*l* *-commutative
Counts
4 → 103
Calls
4 calls:
45.0ms
(* (* (sqrt (sqrt (atan2 1 (fma N (+ 1 N) 1)))) (sqrt (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)))
1.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

series44.0ms

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

simplify1.9s

Counts
115 → 115
Iterations
IterNodes
52396
41269
3799
2417
1185
089

prune787.0ms

Pruning

7 alts after pruning (3 fresh and 4 done)

Merged error: 0.1b

regimes73.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
26
16
05

end0.0ms

sample1.2s

Algorithm
intervals
Results
762.0ms2859×body1280valid
220.0ms4083×body80valid
104.0ms609×body640valid
40.0ms299×body320valid
16.0ms150×body160valid