Details

Time bar (total: 8.8s)

sample69.0ms

Algorithm
intervals
Results
38.0ms98×body1280valid
11.0ms123×body80valid
6.0ms20×body640valid
3.0ms10×body320valid
1.0msbody160valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune15.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.3b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1))
2.0b
(- (atan (+ N 1)) (atan N))

rewrite11.0ms

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))

series19.0ms

Counts
2 → 6
Calls
2 calls:
2.0ms
(atan (+ N 1))
17.0ms
(- (atan (+ N 1)) (atan N))

simplify1.3s

Counts
46 → 46
Iterations
IterNodes
done2004
42004
3773
2288
1140
067

prune345.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.4b

localize20.0ms

Local error

Found 1 expressions with local error:

0.4b
(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:
1.0ms
(atan2 1 (fma N (+ 1 N) 1))

series3.0ms

Counts
1 → 3
Calls
1 calls:
3.0ms
(atan2 1 (fma N (+ 1 N) 1))

simplify1.8s

Counts
13 → 13
Iterations
IterNodes
done2004
102004
91660
8834
7554
6378
5223
4133
362
237
125
018

prune148.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.4b

localize29.0ms

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))))
16.1b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
16.1b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

rewrite22.0ms

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))
16.0ms
(* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (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)))

series42.0ms

Counts
4 → 12
Calls
4 calls:
3.0ms
(atan2 1 (fma N (+ 1 N) 1))
4.0ms
(* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1))))
17.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
18.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))

simplify1.1s

Counts
106 → 106
Iterations
IterNodes
done2011
42011
3679
2259
1123
069

prune681.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.4b

localize33.0ms

Local error

Found 4 expressions with local error:

16.1b
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
16.6b
(cbrt (* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1)))))
16.6b
(cbrt (* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1)))))
16.6b
(cbrt (* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1)))))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 *-un-lft-identity add-cube-cbrt
expm1-log1p-u add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
cbrt-prod pow1/3 sqrt-prod
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 52
Calls
4 calls:
1.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
5.0ms
(cbrt (* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1)))))
5.0ms
(cbrt (* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1)))))
5.0ms
(cbrt (* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1)))))

series345.0ms

Counts
4 → 12
Calls
4 calls:
12.0ms
(sqrt (atan2 1 (fma N (+ 1 N) 1)))
112.0ms
(cbrt (* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1)))))
111.0ms
(cbrt (* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1)))))
110.0ms
(cbrt (* (sqrt (atan2 1 (fma N (+ 1 N) 1))) (sqrt (atan2 1 (fma N (+ 1 N) 1)))))

simplify912.0ms

Counts
64 → 64
Iterations
IterNodes
done2000
62000
51707
4607
3206
2100
156
040

prune548.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.4b

regimes36.0ms

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

sample1.3s

Algorithm
intervals
Results
757.0ms2890×body1280valid
252.0ms3991×body80valid
116.0ms644×body640valid
71.0ms298×body320valid
17.0ms177×body160valid