Details

Time bar (total: 14.0s)

sample68.0ms

Algorithm
intervals
Results
36.0ms92×body1280valid
11.0ms126×body80valid
7.0ms22×body640valid
2.0msbody320valid
1.0msbody160valid

simplify10.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.0b

localize22.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1))
2.3b
(- (atan (+ N 1)) (atan N))

rewrite14.0ms

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:
3.0ms
(atan (+ N 1))
10.0ms
(- (atan (+ N 1)) (atan N))

series23.0ms

Counts
2 → 6
Calls
2 calls:
3.0ms
(atan (+ N 1))
20.0ms
(- (atan (+ N 1)) (atan N))

simplify2.4s

Counts
46 → 46
Iterations
IterNodes
done5005
42140
3773
2288
1140
067

prune141.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.3b

localize23.0ms

Local error

Found 1 expressions with local error:

0.3b
(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:
1.0ms
(atan2 1 (fma N (+ N 1) 1))

series4.0ms

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

simplify4.1s

Counts
13 → 13
Iterations
IterNodes
done5051
104194
91412
8774
7530
6355
5221
4134
358
232
121
015

prune39.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize16.0ms

Local error

Found 4 expressions with local error:

0.3b
(atan2 1 (fma N (+ N 1) 1))
0.6b
(* (sqrt (atan2 1 (fma N (+ N 1) 1))) (sqrt (atan2 1 (fma N (+ N 1) 1))))
16.4b
(sqrt (atan2 1 (fma N (+ N 1) 1)))
16.4b
(sqrt (atan2 1 (fma N (+ N 1) 1)))

rewrite15.0ms

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 (+ N 1) 1))
12.0ms
(* (sqrt (atan2 1 (fma N (+ N 1) 1))) (sqrt (atan2 1 (fma N (+ N 1) 1))))
1.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
1.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))

series29.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1 (fma N (+ N 1) 1))
2.0ms
(* (sqrt (atan2 1 (fma N (+ N 1) 1))) (sqrt (atan2 1 (fma N (+ N 1) 1))))
12.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
13.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))

simplify2.8s

Counts
106 → 106
Iterations
IterNodes
done5000
44102
3670
2254
1118
065

prune234.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.2b

localize25.0ms

Local error

Found 4 expressions with local error:

16.4b
(sqrt (atan2 1 (fma N (+ N 1) 1)))
16.4b
(sqrt (atan2 1 (fma N (+ N 1) 1)))
16.4b
(sqrt (atan2 1 (fma N (+ N 1) 1)))
16.4b
(sqrt (atan2 1 (fma N (+ N 1) 1)))

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt sqrt-prod
pow1 *-un-lft-identity add-cube-cbrt
expm1-log1p-u rem-sqrt-square sqrt-pow1 add-cbrt-cube pow1/2 add-exp-log insert-posit16 log1p-expm1-u add-log-exp
Counts
4 → 64
Calls
4 calls:
1.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
1.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
1.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
1.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))

series57.0ms

Counts
4 → 12
Calls
4 calls:
12.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
13.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
13.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))
18.0ms
(sqrt (atan2 1 (fma N (+ N 1) 1)))

simplify2.2s

Counts
76 → 76
Iterations
IterNodes
done5000
92063
8947
7579
6386
5247
4145
368
243
131
023

prune225.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.2b

regimes26.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done8
18
05

end0.0ms

sample1.5s

Algorithm
intervals
Results
667.0ms2732×body1280valid
484.0ms4134×body80valid
176.0ms648×body640valid
42.0ms318×body320valid
16.0ms168×body160valid