Details

Time bar (total: 4.0s)

sample42.0ms

Algorithm
intervals
Results
13.0ms54×body1280valid
6.0ms255×body80nan
6.0ms39×body640valid
5.0ms133×body80valid
2.0ms24×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: 29.0b

Counts
2 → 1

localize6.0ms

Local error

Found 2 expressions with local error:

1.9b
(log (+ N 1.0))
2.9b
(- (log (+ N 1.0)) (log N))

rewrite14.0ms

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:
3.0ms
(log (+ N 1.0))
7.0ms
(- (log (+ N 1.0)) (log N))

series134.0ms

Counts
2 → 6
Calls
2 calls:
41.0ms
(log (+ N 1.0))
93.0ms
(- (log (+ N 1.0)) (log N))

simplify54.0ms

Algorithm
egg-herbie
Counts
47 → 47
Iterations

Useful iterations: 3 (50.0ms)

IterNodesCost
0212281
1547264
21875250
35001247

prune89.0ms

Filtered
47 candidates to 33 candidates (70.2%)
Pruning

2 alts after pruning (2 fresh and 0 done)

PrunedKeptTotal
New45247
Fresh000
Picked101
Done000
Total46248

Merged error: 0.0b

Counts
48 → 2

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1.0) N)
2.9b
(log (/ (+ N 1.0) N))

rewrite12.0ms

Algorithm
rewrite-expression-head
Rules
33×*-un-lft-identity
24×times-frac
19×add-sqr-sqrt add-cube-cbrt
16×log-prod
add-exp-log distribute-lft-out
add-cbrt-cube associate-/l*
pow1 associate-/r*
div-exp rem-log-exp div-inv associate-/l/ add-log-exp
cbrt-undiv log-div frac-2neg flip3-+ clear-num log-pow flip-+
Counts
2 → 60
Calls
2 calls:
6.0ms
(/ (+ N 1.0) N)
4.0ms
(log (/ (+ N 1.0) N))

series128.0ms

Counts
2 → 6
Calls
2 calls:
45.0ms
(/ (+ N 1.0) N)
82.0ms
(log (/ (+ N 1.0) N))

simplify104.0ms

Algorithm
egg-herbie
Counts
66 → 66
Iterations

Useful iterations: 2 (21.0ms)

IterNodesCost
0233373
1773351
23489339
35002339

prune86.0ms

Filtered
66 candidates to 45 candidates (68.2%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New65166
Fresh011
Picked011
Done000
Total65368

Merged error: 0.0b

Counts
68 → 3

localize8.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (+ N 1.0) N)
0.0b
(log (log (/ (+ N 1.0) N)))
0.8b
(exp (log (log (/ (+ N 1.0) N))))
2.9b
(log (/ (+ N 1.0) N))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
38×*-un-lft-identity
24×add-sqr-sqrt add-cube-cbrt log-prod times-frac
10×add-exp-log
pow1
distribute-lft-out
add-cbrt-cube
log-pow
exp-prod exp-sum associate-/l* add-log-exp
rem-log-exp associate-/r*
div-exp div-inv associate-/l/
cbrt-undiv log-div frac-2neg flip3-+ clear-num flip-+ rem-exp-log
Counts
4 → 89
Calls
4 calls:
5.0ms
(/ (+ N 1.0) N)
1.0ms
(log (log (/ (+ N 1.0) N)))
2.0ms
(exp (log (log (/ (+ N 1.0) N))))
5.0ms
(log (/ (+ N 1.0) N))

series360.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(/ (+ N 1.0) N)
147.0ms
(log (log (/ (+ N 1.0) N)))
82.0ms
(exp (log (log (/ (+ N 1.0) N))))
82.0ms
(log (/ (+ N 1.0) N))

simplify39.0ms

Algorithm
egg-herbie
Counts
101 → 101
Iterations

Useful iterations: 2 (30.0ms)

IterNodesCost
0361634
11261587
25002561

prune173.0ms

Filtered
101 candidates to 69 candidates (68.3%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New1001101
Fresh011
Picked101
Done011
Total1013104

Merged error: 0.0b

Counts
104 → 3

localize14.0ms

Local error

Found 4 expressions with local error:

0.7b
(pow (exp (* (cbrt (log (log (/ (+ N 1.0) N)))) (cbrt (log (log (/ (+ N 1.0) N)))))) (cbrt (log (log (/ (+ N 1.0) N)))))
2.9b
(log (/ (+ N 1.0) N))
2.9b
(log (/ (+ N 1.0) N))
2.9b
(log (/ (+ N 1.0) N))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
49×*-un-lft-identity
48×log-prod
36×times-frac
31×add-sqr-sqrt add-cube-cbrt
13×add-exp-log
pow1 distribute-lft-out
pow-unpow
rem-log-exp
add-log-exp
cbrt-prod log-pow add-cbrt-cube
unpow-prod-down log-div pow-pow div-exp div-inv
pow-to-exp exp-prod exp-to-pow pow-exp sqr-pow
Counts
4 → 104
Calls
4 calls:
6.0ms
(pow (exp (* (cbrt (log (log (/ (+ N 1.0) N)))) (cbrt (log (log (/ (+ N 1.0) N)))))) (cbrt (log (log (/ (+ N 1.0) N)))))
5.0ms
(log (/ (+ N 1.0) N))
4.0ms
(log (/ (+ N 1.0) N))
4.0ms
(log (/ (+ N 1.0) N))

series890.0ms

Counts
4 → 12
Calls
4 calls:
643.0ms
(pow (exp (* (cbrt (log (log (/ (+ N 1.0) N)))) (cbrt (log (log (/ (+ N 1.0) N)))))) (cbrt (log (log (/ (+ N 1.0) N)))))
82.0ms
(log (/ (+ N 1.0) N))
83.0ms
(log (/ (+ N 1.0) N))
83.0ms
(log (/ (+ N 1.0) N))

simplify99.0ms

Algorithm
egg-herbie
Counts
116 → 116
Iterations

Useful iterations: 2 (83.0ms)

IterNodesCost
08511715
142781615
250011609

prune371.0ms

Filtered
116 candidates to 82 candidates (70.7%)
Pruning

3 alts after pruning (2 fresh and 1 done)

PrunedKeptTotal
New1151116
Fresh011
Picked101
Done011
Total1163119

Merged error: 0.0b

Counts
119 → 3

regimes25.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.1b and baseline of 28.9b

bsearch26.0ms

Steps
ItersRangePoint
8
573.0632436401448
2027774.326345067
7702.708028507434

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02410
12410

end0.0ms

sample1.3s

Algorithm
intervals
Results
417.0ms1701×body1280valid
194.0ms7950×body80nan
193.0ms1241×body640valid
173.0ms4150×body80valid
63.0ms614×body320valid
18.0ms294×body160valid