Details

Time bar (total: 2.4s)

sample59.0ms

Algorithm
intervals
Results
19.0ms64×body1280valid
9.0ms45×body640valid
9.0ms255×body80nan
7.0ms120×body80valid
3.0ms23×body320valid
0.0msbody160valid

simplify3.0ms

Algorithm
egg-herbie
Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0107
1107

prune3.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New011
Fresh011
Picked000
Done000
Total022

Merged error: 32.2b

Counts
2 → 1

localize7.0ms

Local error

Found 2 expressions with local error:

1.6b
(- (log (+ N 1.0)) (log N))
2.6b
(log (+ N 1.0))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
11×log-prod
pow1 add-sqr-sqrt
add-cube-cbrt log-pow
log-div associate--l+ distribute-lft-out--
add-exp-log associate--r+
associate--l- flip3-+ add-cbrt-cube flip-+ distribute-lft-out add-log-exp
sub-neg flip3-- diff-log rem-log-exp flip-- difference-of-squares
Counts
2 → 41
Calls
2 calls:
6.0ms
(- (log (+ N 1.0)) (log N))
3.0ms
(log (+ N 1.0))

series9.0ms

Counts
2 → 6
Calls
2 calls:
5.0ms
(- (log (+ N 1.0)) (log N))
3.0ms
(log (+ N 1.0))

simplify52.0ms

Algorithm
egg-herbie
Counts
47 → 47
Iterations

Useful iterations: 0 (47.0ms)

IterNodesCost
05335437

prune79.0ms

Filtered
35 candidates to 47 candidates (-34.3%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New45247
Fresh000
Picked101
Done000
Total46248

Merged error: 0.0b

Counts
48 → 2

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (/ 1.0 N) (- (/ 0.3333333333333333 (pow N 3)) (/ 0.5 (* N N))))
0.1b
(/ 0.3333333333333333 (pow N 3))
0.4b
(/ 0.5 (* N N))
10.4b
(- (/ 0.3333333333333333 (pow N 3)) (/ 0.5 (* N N)))

rewrite65.0ms

Algorithm
rewrite-expression-head
Rules
57×add-sqr-sqrt
54×times-frac
40×*-un-lft-identity
31×add-cube-cbrt
14×add-exp-log unpow-prod-down cube-prod
13×associate-/r*
11×add-cbrt-cube add-log-exp
10×difference-of-squares
associate-/l* sqr-pow
cube-mult div-exp
pow1 unpow3
cbrt-undiv frac-add distribute-lft-out--
sub-neg associate-+r+ flip3-- frac-2neg diff-log clear-num sum-log frac-sub flip-- div-inv distribute-lft-out
+-commutative pow-to-exp associate-+r- flip3-+ pow-exp prod-exp cbrt-unprod flip-+
Counts
4 → 131
Calls
4 calls:
32.0ms
(+ (/ 1.0 N) (- (/ 0.3333333333333333 (pow N 3)) (/ 0.5 (* N N))))
5.0ms
(/ 0.3333333333333333 (pow N 3))
4.0ms
(/ 0.5 (* N N))
20.0ms
(- (/ 0.3333333333333333 (pow N 3)) (/ 0.5 (* N N)))

series19.0ms

Counts
4 → 12
Calls
4 calls:
4.0ms
(+ (/ 1.0 N) (- (/ 0.3333333333333333 (pow N 3)) (/ 0.5 (* N N))))
3.0ms
(/ 0.3333333333333333 (pow N 3))
3.0ms
(/ 0.5 (* N N))
8.0ms
(- (/ 0.3333333333333333 (pow N 3)) (/ 0.5 (* N N)))

simplify37.0ms

Algorithm
egg-herbie
Counts
143 → 143
Iterations

Useful iterations: 0 (25.0ms)

IterNodesCost
059931715

prune170.0ms

Filtered
89 candidates to 143 candidates (-60.7%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New1421143
Fresh011
Picked011
Done000
Total1423145

Merged error: 0b

Counts
145 → 3

localize5.0ms

Local error

Found 1 expressions with local error:

1.6b
(log (+ 1 (/ 1.0 N)))

rewrite6.0ms

Algorithm
rewrite-expression-head
Rules
log-prod *-un-lft-identity
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt log-div
flip3-+ rem-log-exp log-pow add-cbrt-cube flip-+ distribute-lft-out add-log-exp
Counts
1 → 15
Calls
1 calls:
5.0ms
(log (+ 1 (/ 1.0 N)))

series3.0ms

Counts
1 → 3
Calls
1 calls:
3.0ms
(log (+ 1 (/ 1.0 N)))

simplify40.0ms

Algorithm
egg-herbie
Counts
18 → 18
Iterations

Useful iterations: 0 (37.0ms)

IterNodesCost
04994183
14994183

prune26.0ms

Filtered
13 candidates to 18 candidates (-38.5%)
Pruning

3 alts after pruning (1 fresh and 2 done)

PrunedKeptTotal
New17118
Fresh101
Picked011
Done011
Total18321

Merged error: 0b

Counts
21 → 3

localize6.0ms

Local error

Found 1 expressions with local error:

0.1b
(/ (- 1.0 (/ 0.5 N)) N)

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
32×add-sqr-sqrt
22×times-frac
20×*-un-lft-identity
12×add-cube-cbrt
difference-of-squares
associate-/l*
distribute-lft-out--
add-exp-log associate-/r* add-cbrt-cube
associate-/l/
pow1 cbrt-undiv flip3-- frac-2neg div-sub div-exp clear-num flip-- div-inv add-log-exp
Counts
1 → 42
Calls
1 calls:
8.0ms
(/ (- 1.0 (/ 0.5 N)) N)

series5.0ms

Counts
1 → 3
Calls
1 calls:
5.0ms
(/ (- 1.0 (/ 0.5 N)) N)

simplify53.0ms

Algorithm
egg-herbie
Counts
45 → 45
Iterations

Useful iterations: 0 (48.0ms)

IterNodesCost
06870541

prune60.0ms

Filtered
33 candidates to 45 candidates (-36.4%)
Pruning

3 alts after pruning (0 fresh and 3 done)

PrunedKeptTotal
New45045
Fresh000
Picked011
Done022
Total45348

Merged error: 0b

Counts
48 → 3

regimes33.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 31.6b

bsearch14.0ms

Steps
ItersRangePoint
9
0.009091900342010817
1079929.916481607
8394.881317704589

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02125
12125

end0.0ms

sample1.7s

Algorithm
intervals
Results
533.0ms1741×body1280valid
263.0ms8049×body80nan
250.0ms1233×body640valid
220.0ms4072×body80valid
87.0ms655×body320valid
25.0ms299×body160valid

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