Details

Time bar (total: 1.8s)

sample27.0ms

Algorithm
intervals
Results
11.0ms86×body1280valid
4.0ms132×body80valid
3.0ms26×body640valid
1.0msbody320valid
0.0msbody160valid

simplify5.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
094
1104
2104
done104

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 15.0b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1.0))
1.7b
(- (atan (+ N 1.0)) (atan N))

rewrite8.0ms

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:
1.0ms
(atan (+ N 1.0))
6.0ms
(- (atan (+ N 1.0)) (atan N))

series13.0ms

Counts
2 → 6
Calls
2 calls:
2.0ms
(atan (+ N 1.0))
11.0ms
(- (atan (+ N 1.0)) (atan N))

simplify49.0ms

Counts
44 → 44
Iterations

Useful iterations: 3 (45.0ms)

IterNodesCost
0129365
1345264
21480254
35001198
done5001198

prune68.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.4b

localize9.0ms

Local error

Found 1 expressions with local error:

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

series2.0ms

Counts
1 → 3
Calls
1 calls:
2.0ms
(atan2 1.0 (fma N (+ N 1.0) 1))

simplify97.0ms

Counts
12 → 12
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
02157
13250
25550
37050
48950
514350
656750
7177950
8500150
done500150

prune26.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.4b

localize8.0ms

Local error

Found 4 expressions with local error:

0.4b
(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))))
14.2b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
14.2b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

rewrite22.0ms

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))
13.0ms
(* (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)))

series30.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(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))))
12.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
13.0ms
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

simplify108.0ms

Counts
102 → 102
Iterations

Useful iterations: 3 (100.0ms)

IterNodesCost
0100554
1375496
22244476
35001461
done5001461

prune164.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.4b

localize11.0ms

Local error

Found 4 expressions with local error:

0.4b
(atan2 1.0 (fma N (+ N 1.0) 1))
0.4b
(atan2 1.0 (fma N (+ N 1.0) 1))
14.2b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))
14.2b
(sqrt (atan2 1.0 (fma N (+ N 1.0) 1)))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 add-cube-cbrt *-un-lft-identity sqrt-prod
add-exp-log expm1-log1p-u add-cbrt-cube log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 48
Calls
4 calls:
0.0ms
(atan2 1.0 (fma N (+ N 1.0) 1))
0.0ms
(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)))

series30.0ms

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

simplify178.0ms

Counts
60 → 60
Iterations

Useful iterations: 6 (44.0ms)

IterNodesCost
037296
162276
2100276
3148276
4341276
5975276
63911274
75001274
done5001274

prune171.0ms

Pruning

7 alts after pruning (4 fresh and 3 done)

Merged error: 0.4b

regimes27.0ms

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: 0 (1.0ms)

IterNodesCost
093
193
done93

end0.0ms

sample770.0ms

Algorithm
intervals
Results
388.0ms2871×body1280valid
127.0ms3990×body80valid
74.0ms649×body640valid
29.0ms324×body320valid
10.0ms166×body160valid