Details

Time bar (total: 16.3s)

sample66.0ms

Algorithm
intervals
Results
36.0ms97×body1280valid
11.0ms133×body80valid
7.0ms21×body640valid
1.0msbody320valid
0.0msbody160valid

simplify8.0ms

Counts
1 → 1
Iterations
IterNodes
310
210
19
06

prune22.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 12.3b

localize19.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1))
0.7b
(- (atan (+ N 1)) (atan N))

rewrite12.0ms

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

series24.0ms

Counts
2 → 6
Calls
2 calls:
3.0ms
(atan (+ N 1))
21.0ms
(- (atan (+ N 1)) (atan N))

simplify1.3s

Counts
46 → 46
Iterations
IterNodes
42081
3752
2286
1138
067

prune328.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize13.0ms

Local error

Found 1 expressions with local error:

0.3b
(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:
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))

simplify7.3s

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

prune82.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize26.0ms

Local error

Found 4 expressions with local error:

0.3b
(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))))
16.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
16.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

rewrite12.0ms

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)))

series42.0ms

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))))
18.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
20.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

simplify908.0ms

Counts
106 → 106
Iterations
IterNodes
42466
3537
2233
1120
069

prune937.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.2b

localize34.0ms

Local error

Found 4 expressions with local error:

0.3b
(atan2 1 (fma N (+ 1 N) 1))
16.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
16.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
16.6b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

rewrite8.0ms

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:
0.0ms
(atan2 1 (fma N (+ 1 N) 1))
2.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
2.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
2.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

series65.0ms

Counts
4 → 12
Calls
4 calls:
3.0ms
(atan2 1 (fma N (+ 1 N) 1))
21.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
21.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
20.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

simplify2.9s

Counts
70 → 70
Iterations
IterNodes
85010
71302
6531
5237
4143
3101
268
145
034

prune690.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.2b

regimes34.0ms

Accuracy

0% (0.0b remaining)

Error of 0.5b against oracle of 0.4b and baseline of 0.5b

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
26
16
05

end0.0ms

sample1.4s

Algorithm
intervals
Results
867.0ms2859×body1280valid
212.0ms4124×body80valid
116.0ms584×body640valid
77.0ms295×body320valid
14.0ms138×body160valid