Details

Time bar (total: 12.5s)

sample32.0ms

Algorithm
intervals
Results
14.0ms89×body1280valid
5.0ms130×body80valid
3.0ms22×body640valid
1.0msbody320valid
0.0msbody160valid

simplify3.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.6b

localize9.0ms

Local error

Found 1 expressions with local error:

1.5b
(- (atan (+ N 1.0)) (atan N))

rewrite6.0ms

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 log1p-expm1-u flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 29
Calls
1 calls:
6.0ms
(- (atan (+ N 1.0)) (atan N))

series13.0ms

Counts
1 → 3
Calls
1 calls:
13.0ms
(- (atan (+ N 1.0)) (atan N))

simplify5.4s

Counts
32 → 32
Iterations
IterNodes
done5000
34363
2503
1136
062

prune93.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.3b

localize12.0ms

Local error

Found 1 expressions with local error:

0.3b
(atan2 (- 1.0 0) (fma N (+ 1.0 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 log1p-expm1-u add-log-exp
Counts
1 → 9
Calls
1 calls:
0.0ms
(atan2 (- 1.0 0) (fma N (+ 1.0 N) 1))

series4.0ms

Counts
1 → 3
Calls
1 calls:
4.0ms
(atan2 (- 1.0 0) (fma N (+ 1.0 N) 1))

simplify2.9s

Counts
12 → 12
Iterations
IterNodes
done5000
94998
81072
7474
6301
5215
4142
3101
252
130
020

prune48.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.3b

localize16.0ms

Local error

Found 4 expressions with local error:

0.3b
(atan2 1.0 (fma N (+ N 1.0) 1))
0.6b
(* (sqrt (atan2 1.0 (fma N (+ N 1.0) 1))) (sqrt (atan2 1.0 (fma N (+ N 1.0) 1))))
13.9b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
13.9b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

rewrite16.0ms

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 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 → 90
Calls
4 calls:
0.0ms
(atan2 1.0 (fma N (+ N 1.0) 1))
11.0ms
(* (sqrt (atan2 1.0 (fma N (+ N 1.0) 1))) (sqrt (atan2 1.0 (fma N (+ N 1.0) 1))))
1.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
1.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

series33.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1.0 (fma N (+ N 1.0) 1))
3.0ms
(* (sqrt (atan2 1.0 (fma N (+ N 1.0) 1))) (sqrt (atan2 1.0 (fma N (+ N 1.0) 1))))
13.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
14.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

simplify645.0ms

Counts
102 → 102
Iterations
IterNodes
done5001
2600
1122
063

prune317.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.2b

localize32.0ms

Local error

Found 4 expressions with local error:

0.3b
(atan2 1.0 (fma (+ N 1.0) N 1))
0.3b
(atan2 1.0 (fma N (+ N 1.0) 1))
13.9b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
13.9b
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt sqrt-prod
expm1-log1p-u add-cbrt-cube add-exp-log log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 48
Calls
4 calls:
0.0ms
(atan2 1.0 (fma (+ N 1.0) N 1))
0.0ms
(atan2 1.0 (fma N (+ N 1.0) 1))
1.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
1.0ms
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))

series32.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1.0 (fma (+ N 1.0) N 1))
2.0ms
(atan2 1.0 (fma N (+ N 1.0) 1))
13.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
14.0ms
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))

simplify1.3s

Counts
60 → 60
Iterations
IterNodes
done5001
52922
41014
3319
2150
171
051

prune297.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.2b

regimes49.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done11
211
110
08

end0.0ms

sample1.2s

Algorithm
intervals
Results
731.0ms2873×body1280valid
177.0ms4029×body80valid
122.0ms589×body640valid
46.0ms344×body320valid
18.0ms165×body160valid