Details

Time bar (total: 14.5s)

sample34.0ms

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

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune6.0ms

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

rewrite9.0ms

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 (+ N 1.0))
7.0ms
(- (atan (+ N 1.0)) (atan N))

series15.0ms

Counts
2 → 6
Calls
2 calls:
2.0ms
(atan (+ N 1.0))
13.0ms
(- (atan (+ N 1.0)) (atan N))

simplify6.5s

Counts
44 → 44
Iterations
IterNodes
done5000
34357
2506
1139
066

prune144.0ms

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))

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 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))

simplify3.4s

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

prune68.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

localize25.0ms

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))))
16.9b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
16.9b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

rewrite31.0ms

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))
24.0ms
(* (sqrt (atan2 1.0 (fma N (+ N 1.0) 1))) (sqrt (atan2 1.0 (fma N (+ N 1.0) 1))))
2.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
2.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

series33.0ms

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)))
14.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

simplify800.0ms

Counts
102 → 102
Iterations
IterNodes
done5001
2600
1122
063

prune391.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.1b

localize35.0ms

Local error

Found 4 expressions with local error:

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

rewrite14.0ms

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:
1.0ms
(atan2 1.0 (fma N (+ N 1.0) 1))
7.0ms
(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)))
2.0ms
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))

series251.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1.0 (fma N (+ N 1.0) 1))
200.0ms
(pow (sqrt (sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))) 3)
24.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
25.0ms
(sqrt (atan2 1.0 (fma (+ N 1.0) N 1)))

simplify972.0ms

Counts
93 → 93
Iterations
IterNodes
done5000
2946
1257
096

prune331.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.1b

regimes96.0ms

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

sample1.3s

Algorithm
intervals
Results
864.0ms2854×body1280valid
149.0ms4046×body80valid
86.0ms617×body640valid
70.0ms326×body320valid
12.0ms157×body160valid