Details

Time bar (total: 10.6s)

sample61.0ms

Algorithm
intervals
Results
29.0ms85×body1280valid
10.0ms130×body80valid
8.0ms27×body640valid
2.0ms11×body320valid
0.0msbody160valid

simplify8.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.8b

localize10.0ms

Local error

Found 1 expressions with local error:

1.7b
(- (atan (+ N 1)) (atan N))

rewrite8.0ms

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:
7.0ms
(- (atan (+ N 1)) (atan N))

series34.0ms

Counts
1 → 3
Calls
1 calls:
34.0ms
(- (atan (+ N 1)) (atan N))

simplify2.2s

Counts
33 → 33
Iterations
IterNodes
done5002
42213
3777
2288
1136
062

prune103.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.4b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma N (+ 1 N) 1)
0.4b
(atan2 1 (fma N (+ 1 N) 1))

rewrite2.0ms

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:
1.0ms
(fma N (+ 1 N) 1)
0.0ms
(atan2 1 (fma N (+ 1 N) 1))

series29.0ms

Counts
2 → 6
Calls
2 calls:
25.0ms
(fma N (+ 1 N) 1)
4.0ms
(atan2 1 (fma N (+ 1 N) 1))

simplify1.3s

Counts
27 → 27
Iterations
IterNodes
done5001
41226
3278
289
153
033

prune88.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.4b

localize18.0ms

Local error

Found 4 expressions with local error:

0.4b
(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))))
14.2b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
14.2b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

rewrite19.0ms

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))
14.0ms
(* (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)))
2.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

series30.0ms

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)))
13.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

simplify3.1s

Counts
106 → 106
Iterations
IterNodes
done5000
44096
3679
2259
1123
069

prune274.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.4b

localize24.0ms

Local error

Found 4 expressions with local error:

0.4b
(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)))
14.2b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

rewrite5.0ms

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))
1.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
1.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
2.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

series44.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1 (fma N (+ 1 N) 1))
16.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
13.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
13.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

simplify1.8s

Counts
70 → 70
Iterations
IterNodes
done5000
72054
6830
5383
4207
3110
270
147
034

prune220.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.4b

regimes37.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done8
18
05

end0.0ms

sample1.1s

Algorithm
intervals
Results
607.0ms2765×body1280valid
200.0ms4107×body80valid
171.0ms665×body640valid
38.0ms328×body320valid
11.0ms135×body160valid