Details

Time bar (total: 1.6s)

analyze1.0ms

Algorithm
search
Search
TrueOtherFalseIter
0%100%0%0
100%0%0%1

sample32.0ms

Algorithm
intervals
Results
17.0ms114×body1280valid
4.0ms109×body80valid
3.0ms24×body640valid
1.0msbody320valid
0.0msbody160valid

simplify5.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
0717
1717

prune2.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 14.5b

Counts
2 → 1

localize6.0ms

Local error

Found 1 expressions with local error:

0.9b
(- (atan (+ N 1.0)) (atan N))

rewrite4.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity add-log-exp
pow1 add-exp-log add-cube-cbrt sub-neg flip3-- diff-log diff-atan add-cbrt-cube flip-- distribute-lft-out-- difference-of-squares
Counts
1 → 14
Calls
1 calls:
3.0ms
(- (atan (+ N 1.0)) (atan N))

series3.0ms

Counts
1 → 3
Calls
1 calls:
3.0ms
(- (atan (+ N 1.0)) (atan N))

simplify66.0ms

Algorithm
egg-herbie
Counts
17 → 17
Iterations

Useful iterations: 0 (63.0ms)

IterNodesCost
05339182

prune31.0ms

Filtered
12 candidates to 17 candidates (-41.7%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New15217
Fresh000
Picked101
Done000
Total16218

Merged error: 0.3b

Counts
18 → 2

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(* N (+ N 1.0))
0.3b
(atan2 1.0 (+ 1 (* N (+ N 1.0))))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt *-un-lft-identity
pow1 add-exp-log add-cube-cbrt associate-*r* add-cbrt-cube
associate-*l*
associate-*r/ add-log-exp
distribute-rgt-in distribute-lft-in flip3-+ pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ distribute-lft-out unswap-sqr
Counts
2 → 30
Calls
2 calls:
6.0ms
(* N (+ N 1.0))
1.0ms
(atan2 1.0 (+ 1 (* N (+ N 1.0))))

series7.0ms

Counts
2 → 6
Calls
2 calls:
5.0ms
(* N (+ N 1.0))
2.0ms
(atan2 1.0 (+ 1 (* N (+ N 1.0))))

simplify60.0ms

Algorithm
egg-herbie
Counts
36 → 36
Iterations

Useful iterations: 0 (56.0ms)

IterNodesCost
04907272
14907272

prune64.0ms

Filtered
26 candidates to 36 candidates (-38.5%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New30636
Fresh101
Picked011
Done000
Total31738

Merged error: 0.3b

Counts
38 → 7

localize9.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt N)
0.5b
(cbrt N)
0.5b
(cbrt N)
0.5b
(* (cbrt N) (cbrt N))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
25×cbrt-prod
23×add-sqr-sqrt
15×add-cube-cbrt *-un-lft-identity
11×pow1
pow1/3
add-exp-log swap-sqr associate-*r* associate-*l*
add-cbrt-cube add-log-exp unswap-sqr
pow-prod-down pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod
Counts
4 → 73
Calls
4 calls:
1.0ms
(cbrt N)
1.0ms
(cbrt N)
1.0ms
(cbrt N)
5.0ms
(* (cbrt N) (cbrt N))

series92.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(cbrt N)
22.0ms
(cbrt N)
21.0ms
(cbrt N)
27.0ms
(* (cbrt N) (cbrt N))

simplify45.0ms

Algorithm
egg-herbie
Counts
85 → 85
Iterations

Useful iterations: 0 (39.0ms)

IterNodesCost
05165356

prune102.0ms

Filtered
56 candidates to 85 candidates (-51.8%)
Pruning

7 alts after pruning (6 fresh and 1 done)

PrunedKeptTotal
New84185
Fresh055
Picked101
Done011
Total85792

Merged error: 0.3b

Counts
92 → 7

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (cbrt (* N N)) (* (+ 1.0 N) (cbrt N)))
0.3b
(atan2 1.0 (+ 1 (* (cbrt (* N N)) (* (+ 1.0 N) (cbrt N)))))
0.5b
(cbrt N)
34.3b
(cbrt (* N N))

rewrite15.0ms

Algorithm
rewrite-expression-head
Rules
pow1 add-exp-log
add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-cbrt-cube
cbrt-prod
associate-*l* add-log-exp
pow-prod-down prod-exp cbrt-unprod
pow1/3 associate-*r/ associate-*l/
flip3-+ associate-*r* *-commutative flip-+
Counts
4 → 48
Calls
4 calls:
10.0ms
(* (cbrt (* N N)) (* (+ 1.0 N) (cbrt N)))
1.0ms
(atan2 1.0 (+ 1 (* (cbrt (* N N)) (* (+ 1.0 N) (cbrt N)))))
1.0ms
(cbrt N)
2.0ms
(cbrt (* N N))

series53.0ms

Counts
4 → 12
Calls
4 calls:
7.0ms
(* (cbrt (* N N)) (* (+ 1.0 N) (cbrt N)))
3.0ms
(atan2 1.0 (+ 1 (* (cbrt (* N N)) (* (+ 1.0 N) (cbrt N)))))
21.0ms
(cbrt N)
21.0ms
(cbrt (* N N))

simplify39.0ms

Algorithm
egg-herbie
Counts
60 → 60
Iterations

Useful iterations: 0 (34.0ms)

IterNodesCost
04913367
14913367

prune69.0ms

Filtered
44 candidates to 60 candidates (-36.4%)
Pruning

7 alts after pruning (5 fresh and 2 done)

PrunedKeptTotal
New60060
Fresh055
Picked011
Done011
Total60767

Merged error: 0.3b

Counts
67 → 7

regimes42.0ms

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
0119
1119

end0.0ms

sample803.0ms

Algorithm
intervals
Results
439.0ms2886×body1280valid
142.0ms4022×body80valid
81.0ms652×body640valid
30.0ms286×body320valid
11.0ms154×body160valid

Profiling

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