Details

Time bar (total: 2.8s)

sample34.0ms

Algorithm
intervals
Results
17.0ms104×body1280valid
5.0ms19×body640valid
4.0ms118×body80valid
1.0ms14×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: 16.2b

Counts
2 → 1

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(atan (+ N 1.0))
0.5b
(- (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))
12.0ms
(- (atan (+ N 1.0)) (atan N))

simplify76.0ms

Algorithm
egg-herbie
Counts
28 → 28
Iterations

Useful iterations: 3 (11.0ms)

IterNodesCost
075154
1145145
2289143
3681142
42491142
55001142

prune42.0ms

Filtered
28 candidates to 19 candidates (67.9%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New27128
Fresh000
Picked101
Done000
Total28129

Merged error: 0.2b

Counts
29 → 1

localize6.0ms

Local error

Found 2 expressions with local error:

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

series46.0ms

Counts
2 → 6
Calls
2 calls:
43.0ms
(* (+ 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

prune51.0ms

Filtered
34 candidates to 22 candidates (64.7%)
Pruning

5 alts after pruning (4 fresh and 1 done)

PrunedKeptTotal
New30434
Fresh000
Picked011
Done000
Total30535

Merged error: 0.1b

Counts
35 → 5

localize10.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (cbrt (* (+ N 1.0) N)) (cbrt (* (+ N 1.0) N)))
17.1b
(cbrt (* (+ N 1.0) N))
17.1b
(cbrt (* (+ N 1.0) N))
17.1b
(cbrt (* (+ N 1.0) N))

rewrite21.0ms

Algorithm
rewrite-expression-head
Rules
20×associate-*l/
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
associate-*r/ pow-prod-down 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))

series431.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(* (cbrt (* (+ N 1.0) N)) (cbrt (* (+ N 1.0) N)))
101.0ms
(cbrt (* (+ N 1.0) N))
100.0ms
(cbrt (* (+ N 1.0) N))
106.0ms
(cbrt (* (+ N 1.0) N))

simplify51.0ms

Algorithm
egg-herbie
Counts
84 → 84
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
0353803
11280743
25001669

prune216.0ms

Filtered
84 candidates to 67 candidates (79.8%)
Pruning

7 alts after pruning (5 fresh and 2 done)

PrunedKeptTotal
New82284
Fresh033
Picked011
Done011
Total82789

Merged error: 0.1b

Counts
89 → 7

localize13.0ms

Local error

Found 4 expressions with local error:

0.3b
(* (* (cbrt (* (+ N 1.0) N)) (cbrt (+ N 1.0))) (cbrt N))
0.5b
(cbrt N)
17.1b
(cbrt (* (+ N 1.0) N))
17.1b
(cbrt (* (+ N 1.0) N))

rewrite22.0ms

Algorithm
rewrite-expression-head
Rules
20×associate-*l/
16×cbrt-div
pow1 add-exp-log
cbrt-prod flip3-+ flip-+
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
pow1/3 associate-*r*
pow-prod-down add-cbrt-cube
frac-times add-log-exp
prod-exp cbrt-unprod
associate-*r/
associate-*l* *-commutative
Counts
4 → 63
Calls
4 calls:
10.0ms
(* (* (cbrt (* (+ N 1.0) N)) (cbrt (+ N 1.0))) (cbrt N))
1.0ms
(cbrt N)
4.0ms
(cbrt (* (+ N 1.0) N))
4.0ms
(cbrt (* (+ N 1.0) N))

series508.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(* (* (cbrt (* (+ N 1.0) N)) (cbrt (+ N 1.0))) (cbrt N))
186.0ms
(cbrt N)
100.0ms
(cbrt (* (+ N 1.0) N))
99.0ms
(cbrt (* (+ N 1.0) N))

simplify48.0ms

Algorithm
egg-herbie
Counts
75 → 75
Iterations

Useful iterations: 2 (40.0ms)

IterNodesCost
0444685
11657644
25002602

prune238.0ms

Filtered
75 candidates to 65 candidates (86.7%)
Pruning

7 alts after pruning (4 fresh and 3 done)

PrunedKeptTotal
New75075
Fresh044
Picked011
Done022
Total75782

Merged error: 0.1b

Counts
82 → 7

regimes24.0ms

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

sample837.0ms

Algorithm
intervals
Results
461.0ms2890×body1280valid
143.0ms4017×body80valid
79.0ms620×body640valid
30.0ms301×body320valid
13.0ms172×body160valid