Details

Time bar (total: 9.5s)

sample66.0ms

Algorithm
intervals
Results
34.0ms87×body1280valid
12.0ms137×body80valid
4.0ms12×body640valid
3.0ms14×body320valid
1.0msbody160valid

simplify10.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 13.9b

localize20.0ms

Local error

Found 1 expressions with local error:

1.8b
(- (atan (+ N 1)) (atan N))

rewrite10.0ms

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

series15.0ms

Counts
1 → 3
Calls
1 calls:
15.0ms
(- (atan (+ N 1)) (atan N))

simplify2.2s

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

prune96.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.4b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(fma N (+ 1 N) 1)
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
fma-udef
Counts
2 → 21
Calls
2 calls:
0.0ms
(fma N (+ 1 N) 1)
0.0ms
(atan2 1 (fma N (+ 1 N) 1))

series21.0ms

Counts
2 → 6
Calls
2 calls:
19.0ms
(fma N (+ 1 N) 1)
2.0ms
(atan2 1 (fma N (+ 1 N) 1))

simplify1.3s

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

prune94.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.3b

localize10.0ms

Local error

Found 1 expressions with local error:

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

series2.0ms

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

simplify2.2s

Counts
13 → 13
Iterations
IterNodes
done5001
91275
8521
7275
6164
584
457
341
229
121
015

prune47.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.3b

localize21.0ms

Local error

Found 4 expressions with local error:

0.3b
(atan2 1 (* (* (cbrt (fma N (+ 1 N) 1)) (cbrt (fma N (+ 1 N) 1))) (cbrt (fma N (+ 1 N) 1))))
14.7b
(cbrt (fma N (+ 1 N) 1))
14.7b
(cbrt (fma N (+ 1 N) 1))
14.7b
(cbrt (fma N (+ 1 N) 1))

rewrite3.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt *-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
pow1/3
Counts
4 → 52
Calls
4 calls:
0.0ms
(atan2 1 (* (* (cbrt (fma N (+ 1 N) 1)) (cbrt (fma N (+ 1 N) 1))) (cbrt (fma N (+ 1 N) 1))))
1.0ms
(cbrt (fma N (+ 1 N) 1))
1.0ms
(cbrt (fma N (+ 1 N) 1))
1.0ms
(cbrt (fma N (+ 1 N) 1))

series146.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1 (* (* (cbrt (fma N (+ 1 N) 1)) (cbrt (fma N (+ 1 N) 1))) (cbrt (fma N (+ 1 N) 1))))
47.0ms
(cbrt (fma N (+ 1 N) 1))
45.0ms
(cbrt (fma N (+ 1 N) 1))
52.0ms
(cbrt (fma N (+ 1 N) 1))

simplify1.4s

Counts
64 → 64
Iterations
IterNodes
done5000
52807
41140
3498
2203
1107
058

prune256.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.3b

regimes33.0ms

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
1.0s2934×body1280valid
220.0ms4006×body80valid
133.0ms596×body640valid
65.0ms293×body320valid
17.0ms171×body160valid