Details

Time bar (total: 12.8s)

sample36.0ms

Algorithm
intervals
Results
16.0ms100×body1280valid
5.0ms124×body80valid
2.0ms17×body640valid
1.0ms11×body320valid
0.0msbody160valid

simplify6.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune22.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.4b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ 1.0 N))
1.3b
(- (atan (+ 1.0 N)) (atan N))

rewrite8.0ms

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 log1p-expm1-u
sub-neg flip3-- diff-log diff-atan flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 38
Calls
2 calls:
1.0ms
(atan (+ 1.0 N))
6.0ms
(- (atan (+ 1.0 N)) (atan N))

series18.0ms

Counts
2 → 6
Calls
2 calls:
3.0ms
(atan (+ 1.0 N))
15.0ms
(- (atan (+ 1.0 N)) (atan N))

simplify7.4s

Counts
44 → 44
Iterations
IterNodes
done5000
34610
2515
1143
069

prune109.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.1b

localize10.0ms

Local error

Found 1 expressions with local error:

0.1b
(atan2 1.0 (fma N (+ N 1.0) 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 log1p-expm1-u add-log-exp
Counts
1 → 9
Calls
1 calls:
0.0ms
(atan2 1.0 (fma N (+ N 1.0) 1))

series4.0ms

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

simplify903.0ms

Counts
12 → 12
Iterations
IterNodes
done5000
81025
7372
6194
5114
480
356
232
121
015

prune41.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(atan2 1.0 (fma (+ N 1.0) N 1))
0.6b
(* (sqrt (atan2 1.0 (fma (+ N 1.0) N 1))) (sqrt (atan2 1.0 (fma (+ N 1.0) N 1))))
16.9b
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))
16.9b
(sqrt (atan2 1.0 (fma (+ N 1.0) N 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 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 1.0) N 1))
10.0ms
(* (sqrt (atan2 1.0 (fma (+ N 1.0) N 1))) (sqrt (atan2 1.0 (fma (+ N 1.0) N 1))))
1.0ms
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))
1.0ms
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))

series39.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1.0 (fma (+ N 1.0) N 1))
3.0ms
(* (sqrt (atan2 1.0 (fma (+ N 1.0) N 1))) (sqrt (atan2 1.0 (fma (+ N 1.0) N 1))))
19.0ms
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))
14.0ms
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))

simplify690.0ms

Counts
102 → 102
Iterations
IterNodes
done5001
2593
1122
063

prune228.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.1b

localize16.0ms

Local error

Found 4 expressions with local error:

0.1b
(atan2 1.0 (fma (+ N 1.0) N 1))
0.2b
(pow (sqrt (sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))) 3)
16.9b
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))
16.9b
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))

rewrite8.0ms

Algorithm
rewrite-expression-head
Rules
24×sqrt-prod
15×add-sqr-sqrt
13×*-un-lft-identity add-cube-cbrt
pow1 unpow-prod-down cube-prod
sqrt-pow1
pow-pow add-cbrt-cube add-exp-log
expm1-log1p-u pow1/2 log1p-expm1-u add-log-exp
pow-unpow
rem-sqrt-square
cube-mult pow-to-exp unpow3 pow-exp sqrt-pow2 rem-cube-cbrt sqr-pow
Counts
4 → 81
Calls
4 calls:
0.0ms
(atan2 1.0 (fma (+ N 1.0) N 1))
4.0ms
(pow (sqrt (sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))) 3)
1.0ms
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))
1.0ms
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))

series183.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1.0 (fma (+ N 1.0) N 1))
151.0ms
(pow (sqrt (sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))) 3)
17.0ms
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))
13.0ms
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))

simplify1.6s

Counts
93 → 93
Iterations
IterNodes
done5000
2978
1235
080

prune261.0ms

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 0.1b

regimes47.0ms

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
done9
19
06

end0.0ms

sample1.1s

Algorithm
intervals
Results
575.0ms2854×body1280valid
190.0ms4046×body80valid
116.0ms617×body640valid
69.0ms326×body320valid
12.0ms157×body160valid