Details

Time bar (total: 14.0s)

sample56.0ms

Algorithm
intervals
Results
27.0ms94×body1280valid
9.0ms132×body80valid
4.0ms17×body640valid
2.0ms11×body320valid
0.0msbody160valid

simplify6.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 14.0b

localize9.0ms

Local error

Found 1 expressions with local error:

0.8b
(- (atan (+ N 1.0)) (atan N))

rewrite6.0ms

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 log1p-expm1-u flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 29
Calls
1 calls:
5.0ms
(- (atan (+ N 1.0)) (atan N))

series25.0ms

Counts
1 → 3
Calls
1 calls:
25.0ms
(- (atan (+ N 1.0)) (atan N))

simplify6.8s

Counts
32 → 32
Iterations
IterNodes
done5000
34363
2503
1136
062

prune83.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 1 expressions with local error:

0.1b
(atan2 (- 1.0 0) (fma N (+ 1.0 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 log1p-expm1-u add-log-exp
Counts
1 → 9
Calls
1 calls:
0.0ms
(atan2 (- 1.0 0) (fma N (+ 1.0 N) 1))

series4.0ms

Counts
1 → 3
Calls
1 calls:
4.0ms
(atan2 (- 1.0 0) (fma N (+ 1.0 N) 1))

simplify2.6s

Counts
12 → 12
Iterations
IterNodes
done5000
94998
81072
7474
6301
5215
4142
3101
252
130
020

prune49.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(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))))
15.5b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
15.5b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

rewrite16.0ms

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 (+ N 1.0) 1))
12.0ms
(* (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)))

series36.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1.0 (fma N (+ N 1.0) 1))
3.0ms
(* (sqrt (atan2 1.0 (fma N (+ N 1.0) 1))) (sqrt (atan2 1.0 (fma N (+ N 1.0) 1))))
14.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
17.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

simplify659.0ms

Counts
102 → 102
Iterations
IterNodes
done5001
2600
1122
063

prune291.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.0b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (pow (sqrt (sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))) 3) (sqrt (sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))))
0.3b
(pow (sqrt (sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))) 3)
15.5b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
15.5b
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))

rewrite35.0ms

Algorithm
rewrite-expression-head
Rules
93×sqrt-prod
70×add-sqr-sqrt
27×unpow-prod-down cube-prod
24×associate-*l* unswap-sqr
23×*-un-lft-identity add-cube-cbrt
10×add-exp-log
pow1 associate-*r*
add-cbrt-cube
sqrt-pow1
pow-pow sqr-pow
expm1-log1p-u pow1/2 log1p-expm1-u add-log-exp
pow-unpow prod-exp
cube-mult pow-to-exp rem-sqrt-square unpow3 pow-exp
*-commutative cbrt-unprod sqrt-pow2 rem-cube-cbrt
Counts
4 → 143
Calls
4 calls:
25.0ms
(* (pow (sqrt (sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))) 3) (sqrt (sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))))
4.0ms
(pow (sqrt (sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))) 3)
1.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
1.0ms
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))

series379.0ms

Counts
4 → 12
Calls
4 calls:
194.0ms
(* (pow (sqrt (sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))) 3) (sqrt (sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))))
152.0ms
(pow (sqrt (sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))) 3)
19.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
13.0ms
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))

simplify1.3s

Counts
155 → 155
Iterations
IterNodes
done5000
21458
1336
0132

prune402.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0.0b

regimes45.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations
IterNodes
done11
211
110
08

end0.0ms

sample1.1s

Algorithm
intervals
Results
591.0ms2802×body1280valid
180.0ms4130×body80valid
81.0ms589×body640valid
67.0ms334×body320valid
11.0ms145×body160valid