Details

Time bar (total: 7.2s)

sample28.0ms

Algorithm
intervals
Results
14.0ms102×body1280valid
4.0ms122×body80valid
3.0ms25×body640valid
0.0msbody320valid
0.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
067
197
2107
done107

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.9b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1.0))
0.5b
(- (atan (+ N 1.0)) (atan N))

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt prod-diff
add-log-exp
fma-neg
pow1 add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u
sub-neg flip3-- diff-log diff-atan flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 38
Calls
2 calls:
0.0ms
(atan (+ N 1.0))
3.0ms
(- (atan (+ N 1.0)) (atan N))

series12.0ms

Counts
2 → 6
Calls
2 calls:
1.0ms
(atan (+ N 1.0))
11.0ms
(- (atan (+ N 1.0)) (atan N))

simplify889.0ms

Counts
44 → 44
Iterations

Useful iterations: 3 (156.0ms)

IterNodesCost
066624
1127503
2301416
31137355
done5002355

prune69.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.2b

localize7.0ms

Local error

Found 1 expressions with local error:

0.2b
(atan2 (+ 0 1.0) (fma N (+ N 1.0) 1))

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log add-sqr-sqrt expm1-log1p-u add-cube-cbrt *-un-lft-identity add-cbrt-cube log1p-expm1-u add-log-exp
Counts
1 → 9
Calls
1 calls:
0.0ms
(atan2 (+ 0 1.0) (fma N (+ N 1.0) 1))

series3.0ms

Counts
1 → 3
Calls
1 calls:
3.0ms
(atan2 (+ 0 1.0) (fma N (+ N 1.0) 1))

simplify1.2s

Counts
12 → 12
Iterations

Useful iterations: 2 (7.0ms)

IterNodesCost
018156
124132
244116
382116
4165116
5524116
done5000116

prune27.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.2b

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(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))))
15.8b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
15.8b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
28×add-sqr-sqrt
24×sqrt-prod
21×pow1
14×add-cube-cbrt *-un-lft-identity
10×sqrt-pow1 pow1/2
swap-sqr
add-exp-log associate-*r* associate-*l* add-cbrt-cube
pow-prod-up
expm1-log1p-u log1p-expm1-u add-log-exp unswap-sqr
pow-prod-down pow-sqr
rem-sqrt-square
pow2 pow-plus sqrt-unprod prod-exp rem-square-sqrt *-commutative cbrt-unprod
Counts
4 → 90
Calls
4 calls:
0.0ms
(atan2 1.0 (fma N (+ N 1.0) 1))
6.0ms
(* (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)))

series26.0ms

Counts
4 → 12
Calls
4 calls:
1.0ms
(atan2 1.0 (fma N (+ N 1.0) 1))
2.0ms
(* (sqrt (atan2 1.0 (fma N (+ N 1.0) 1))) (sqrt (atan2 1.0 (fma N (+ N 1.0) 1))))
11.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
11.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

simplify1.4s

Counts
102 → 102
Iterations

Useful iterations: 3 (265.0ms)

IterNodesCost
0631755
1971200
22781086
315551059
done50001059

prune161.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.1b

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(atan2 1.0 (fma N (+ N 1.0) 1))
0.3b
(pow (sqrt (sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))) 3)
15.8b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
15.8b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
24×sqrt-prod
15×add-sqr-sqrt
13×add-cube-cbrt *-un-lft-identity
pow1 unpow-prod-down cube-prod
sqrt-pow1
add-exp-log pow-pow add-cbrt-cube
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 (+ N 1.0) 1))
3.0ms
(pow (sqrt (sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))) 3)
1.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
1.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

series170.0ms

Counts
4 → 12
Calls
4 calls:
1.0ms
(atan2 1.0 (fma N (+ N 1.0) 1))
144.0ms
(pow (sqrt (sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))) 3)
12.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
12.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

simplify2.2s

Counts
93 → 93
Iterations

Useful iterations: done (2.2s)

IterNodesCost
0801383
11761137
24901112
328731093
done50001090

prune190.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.1b

regimes28.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: done (1.0ms)

IterNodesCost
0810
11110
done118

end0.0ms

sample740.0ms

Algorithm
intervals
Results
403.0ms2906×body1280valid
126.0ms4030×body80valid
67.0ms598×body640valid
28.0ms317×body320valid
10.0ms149×body160valid