Details

Time bar (total: 1.7s)

analyze1.0ms

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

sample34.0ms

Algorithm
intervals
Results
18.0ms92×body1280valid
4.0ms121×body80valid
4.0ms27×body640valid
1.0msbody320valid
1.0msbody160valid

simplify4.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (3.0ms)

IterNodesCost
0717
1717

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 15.9b

Counts
2 → 1

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1.0))
2.3b
(- (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 → 21
Calls
2 calls:
1.0ms
(atan (+ N 1.0))
3.0ms
(- (atan (+ N 1.0)) (atan N))

series4.0ms

Counts
2 → 6
Calls
2 calls:
1.0ms
(atan (+ N 1.0))
3.0ms
(- (atan (+ N 1.0)) (atan N))

simplify65.0ms

Algorithm
egg-herbie
Counts
27 → 27
Iterations

Useful iterations: 0 (62.0ms)

IterNodesCost
05349236

prune37.0ms

Filtered
19 candidates to 27 candidates (-42.1%)
Pruning

2 alts after pruning (1 fresh and 1 done)

PrunedKeptTotal
New26127
Fresh000
Picked011
Done000
Total26228

Merged error: 0.2b

Counts
28 → 2

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(* N (+ N 1.0))
0.2b
(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))))

series6.0ms

Counts
2 → 6
Calls
2 calls:
4.0ms
(* N (+ N 1.0))
2.0ms
(atan2 1.0 (+ 1 (* N (+ N 1.0))))

simplify61.0ms

Algorithm
egg-herbie
Counts
36 → 36
Iterations

Useful iterations: 0 (57.0ms)

IterNodesCost
04907272
14907272

prune56.0ms

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

5 alts after pruning (3 fresh and 2 done)

PrunedKeptTotal
New33336
Fresh000
Picked011
Done011
Total33538

Merged error: 0.2b

Counts
38 → 5

localize11.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt (* N (+ 1.0 N))) (cbrt (* N (+ 1.0 N))))
16.7b
(cbrt (* N (+ 1.0 N)))
16.7b
(cbrt (* N (+ 1.0 N)))
16.7b
(cbrt (* N (+ 1.0 N)))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
20×associate-*r/
18×cbrt-div
11×pow1
10×add-sqr-sqrt
flip3-+ pow1/3 flip-+
add-cube-cbrt *-un-lft-identity
cbrt-prod
add-exp-log
frac-times swap-sqr associate-*r* associate-*l* add-cbrt-cube add-log-exp
pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 pow-plus prod-exp *-commutative cbrt-unprod unswap-sqr
Counts
4 → 72
Calls
4 calls:
6.0ms
(* (cbrt (* N (+ 1.0 N))) (cbrt (* N (+ 1.0 N))))
4.0ms
(cbrt (* N (+ 1.0 N)))
4.0ms
(cbrt (* N (+ 1.0 N)))
4.0ms
(cbrt (* N (+ 1.0 N)))

series39.0ms

Counts
4 → 12
Calls
4 calls:
11.0ms
(* (cbrt (* N (+ 1.0 N))) (cbrt (* N (+ 1.0 N))))
11.0ms
(cbrt (* N (+ 1.0 N)))
9.0ms
(cbrt (* N (+ 1.0 N)))
9.0ms
(cbrt (* N (+ 1.0 N)))

simplify50.0ms

Algorithm
egg-herbie
Counts
84 → 84
Iterations

Useful iterations: 0 (41.0ms)

IterNodesCost
049501066
149501066

prune195.0ms

Filtered
71 candidates to 84 candidates (-18.3%)
Pruning

5 alts after pruning (2 fresh and 3 done)

PrunedKeptTotal
New84084
Fresh022
Picked011
Done022
Total84589

Merged error: 0.2b

Counts
89 → 5

localize11.0ms

Local error

Found 4 expressions with local error:

0.2b
(atan2 1.0 (+ 1 (* N (+ 1.0 N))))
0.6b
(* (sqrt (atan2 1.0 (+ 1 (* N (+ 1.0 N))))) (sqrt (atan2 1.0 (+ 1 (* N (+ 1.0 N))))))
16.1b
(sqrt (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))
16.1b
(sqrt (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))

rewrite11.0ms

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
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 → 82
Calls
4 calls:
1.0ms
(atan2 1.0 (+ 1 (* N (+ 1.0 N))))
6.0ms
(* (sqrt (atan2 1.0 (+ 1 (* N (+ 1.0 N))))) (sqrt (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)))))

series17.0ms

Counts
4 → 12
Calls
4 calls:
2.0ms
(atan2 1.0 (+ 1 (* N (+ 1.0 N))))
2.0ms
(* (sqrt (atan2 1.0 (+ 1 (* N (+ 1.0 N))))) (sqrt (atan2 1.0 (+ 1 (* N (+ 1.0 N))))))
6.0ms
(sqrt (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))
6.0ms
(sqrt (atan2 1.0 (+ 1 (* N (+ 1.0 N)))))

simplify46.0ms

Algorithm
egg-herbie
Counts
94 → 94
Iterations

Useful iterations: 0 (38.0ms)

IterNodesCost
05253989

prune107.0ms

Filtered
46 candidates to 94 candidates (-104.3%)
Pruning

6 alts after pruning (2 fresh and 4 done)

PrunedKeptTotal
New93194
Fresh011
Picked011
Done033
Total93699

Merged error: 0.1b

Counts
99 → 6

regimes80.0ms

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

sample834.0ms

Algorithm
intervals
Results
448.0ms2779×body1280valid
142.0ms4058×body80valid
88.0ms653×body640valid
37.0ms342×body320valid
12.0ms168×body160valid

Profiling

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