Details

Time bar (total: 2.2s)

sample30.0ms

Algorithm
intervals
Results
14.0ms96×body1280valid
4.0ms113×body80valid
2.0ms19×body640valid
2.0ms23×body320valid
0.0msbody160valid

simplify5.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
094
1104
2104

prune2.0ms

Filtered
1 candidates to 0 candidates (0.0%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 18.7b

Counts
2 → 1

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1.0))
2.2b
(- (atan (+ N 1.0)) (atan N))

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-exp-log add-cube-cbrt add-cbrt-cube
sub-neg flip3-- diff-log diff-atan flip-- distribute-lft-out-- difference-of-squares
Counts
2 → 22
Calls
2 calls:
1.0ms
(atan (+ N 1.0))
3.0ms
(- (atan (+ N 1.0)) (atan N))

series13.0ms

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

simplify75.0ms

Algorithm
egg-herbie
Counts
28 → 28
Iterations

Useful iterations: 3 (11.0ms)

IterNodesCost
075154
1145145
2289143
3681142
42491142
55001142

prune50.0ms

Filtered
28 candidates to 19 candidates (67.9%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New26228
Fresh000
Picked101
Done000
Total27229

Merged error: 0.8b

Counts
29 → 2

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(* (+ N 1.0) N)
0.8b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity
pow1 add-exp-log add-cube-cbrt associate-*l* add-cbrt-cube
associate-*r*
associate-*l/ add-log-exp
flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ distribute-lft-out unswap-sqr
Counts
2 → 28
Calls
2 calls:
6.0ms
(* (+ N 1.0) N)
1.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

series47.0ms

Counts
2 → 6
Calls
2 calls:
44.0ms
(* (+ N 1.0) N)
3.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))

simplify55.0ms

Algorithm
egg-herbie
Counts
34 → 34
Iterations

Useful iterations: 1 (5.0ms)

IterNodesCost
0121151
1432127
22321127
35002127

prune66.0ms

Filtered
34 candidates to 22 candidates (64.7%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New28634
Fresh101
Picked011
Done000
Total29736

Merged error: 0.8b

Counts
36 → 7

localize10.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt N)
0.6b
(cbrt N)
0.6b
(cbrt N)
0.8b
(atan2 1.0 (+ 1 (* (* (+ N 1.0) (* (cbrt N) (cbrt N))) (cbrt N))))

rewrite5.0ms

Algorithm
rewrite-expression-head
Rules
cbrt-prod
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1 add-exp-log add-cbrt-cube add-log-exp
pow1/3
Counts
4 → 40
Calls
4 calls:
1.0ms
(cbrt N)
1.0ms
(cbrt N)
1.0ms
(cbrt N)
1.0ms
(atan2 1.0 (+ 1 (* (* (+ N 1.0) (* (cbrt N) (cbrt N))) (cbrt N))))

series532.0ms

Counts
4 → 12
Calls
4 calls:
171.0ms
(cbrt N)
178.0ms
(cbrt N)
177.0ms
(cbrt N)
6.0ms
(atan2 1.0 (+ 1 (* (* (+ N 1.0) (* (cbrt N) (cbrt N))) (cbrt N))))

simplify85.0ms

Algorithm
egg-herbie
Counts
52 → 52
Iterations

Useful iterations: 4 (81.0ms)

IterNodesCost
075232
1164204
2533198
32411194
45001191

prune156.0ms

Filtered
52 candidates to 44 candidates (84.6%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New51152
Fresh055
Picked101
Done011
Total52759

Merged error: 0.7b

Counts
59 → 7

localize8.0ms

Local error

Found 4 expressions with local error:

0.8b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
0.8b
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
15.0b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
15.0b
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
pow1 add-cube-cbrt *-un-lft-identity sqrt-prod
add-exp-log add-cbrt-cube add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2
Counts
4 → 40
Calls
4 calls:
1.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
1.0ms
(atan2 1.0 (+ 1 (* (+ N 1.0) N)))
1.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))
1.0ms
(sqrt (atan2 1.0 (+ 1 (* (+ N 1.0) N))))

series33.0ms

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

simplify73.0ms

Algorithm
egg-herbie
Counts
52 → 52
Iterations

Useful iterations: 3 (8.0ms)

IterNodesCost
049332
179294
2159294
3330292
41202292
55002292

prune84.0ms

Filtered
52 candidates to 34 candidates (65.4%)
Pruning

8 alts after pruning (6 fresh and 2 done)

PrunedKeptTotal
New51152
Fresh055
Picked011
Done011
Total51859

Merged error: 0.7b

Counts
59 → 8

regimes29.0ms

Accuracy

0% (0.0b remaining)

Error of 0.4b against oracle of 0.3b and baseline of 0.4b

bsearch0.0ms

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0124
1124

end0.0ms

sample806.0ms

Algorithm
intervals
Results
440.0ms2871×body1280valid
140.0ms4041×body80valid
79.0ms649×body640valid
30.0ms307×body320valid
10.0ms132×body160valid

Profiling

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