Details

Time bar (total: 3.4s)

sample41.0ms

Algorithm
intervals
Results
14.0ms60×body1280valid
6.0ms139×body80valid
5.0ms37×body640valid
5.0ms243×body80nan
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

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.8b

localize7.0ms

Local error

Found 2 expressions with local error:

1.5b
(- (log (+ N 1.0)) (log N))
3.2b
(log (+ N 1.0))

rewrite9.0ms

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))
2.0ms
(log (+ N 1.0))

series138.0ms

Counts
2 → 6
Calls
2 calls:
91.0ms
(- (log (+ N 1.0)) (log N))
47.0ms
(log (+ N 1.0))

simplify54.0ms

Algorithm
egg-herbie
Counts
47 → 47
Iterations

Useful iterations: 3 (50.0ms)

IterNodesCost
0212281
1547264
21874250
35001247

prune104.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize5.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1.0) N)
1.7b
(log (/ (+ N 1.0) N))

rewrite13.0ms

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

series130.0ms

Counts
2 → 6
Calls
2 calls:
48.0ms
(/ (+ N 1.0) N)
82.0ms
(log (/ (+ N 1.0) N))

simplify103.0ms

Algorithm
egg-herbie
Counts
66 → 66
Iterations

Useful iterations: 2 (21.0ms)

IterNodesCost
0233373
1773351
23489339
35002339

prune108.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 3 expressions with local error:

0.1b
(/ (sqrt (+ N 1.0)) N)
1.7b
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))
3.0b
(log (sqrt (+ N 1.0)))

rewrite30.0ms

Algorithm
rewrite-expression-head
Rules
59×*-un-lft-identity
42×times-frac
39×log-prod
37×add-sqr-sqrt add-cube-cbrt
36×sqrt-prod
25×associate-+r+
13×distribute-lft-out
pow1
associate-+l+ log-pow associate-/l*
add-exp-log sqrt-div
log-div add-cbrt-cube
flip3-+ flip-+
associate-/r* add-log-exp
associate-+l- div-inv associate-/l/
cbrt-undiv +-commutative associate-+r- frac-2neg sqrt-pow1 pow1/2 div-exp rem-log-exp clear-num sum-log
Counts
3 → 115
Calls
3 calls:
8.0ms
(/ (sqrt (+ N 1.0)) N)
12.0ms
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))
3.0ms
(log (sqrt (+ N 1.0)))

series380.0ms

Counts
3 → 9
Calls
3 calls:
71.0ms
(/ (sqrt (+ N 1.0)) N)
227.0ms
(+ (log (sqrt (+ N 1.0))) (log (/ (sqrt (+ N 1.0)) N)))
81.0ms
(log (sqrt (+ N 1.0)))

simplify45.0ms

Algorithm
egg-herbie
Counts
124 → 124
Iterations

Useful iterations: 2 (35.0ms)

IterNodesCost
04581029
11402939
25002850

prune261.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize12.0ms

Local error

Found 4 expressions with local error:

1.5b
(- (* (log (+ N 1.0)) (log (+ N 1.0))) (* (log N) (log N)))
3.2b
(log (+ N 1.0))
3.2b
(log (+ N 1.0))
3.2b
(log (+ N 1.0))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
26×log-prod
21×*-un-lft-identity
11×add-sqr-sqrt add-cube-cbrt
associate--l+
pow1 add-exp-log distribute-rgt-in distribute-lft-in
log-div associate--r+ add-log-exp
distribute-lft-out
add-cbrt-cube
flip3-+ rem-log-exp log-pow flip-+
sub-neg flip3-- diff-log flip-- difference-of-squares
Counts
4 → 72
Calls
4 calls:
7.0ms
(- (* (log (+ N 1.0)) (log (+ N 1.0))) (* (log N) (log N)))
2.0ms
(log (+ N 1.0))
2.0ms
(log (+ N 1.0))
2.0ms
(log (+ N 1.0))

series272.0ms

Counts
4 → 12
Calls
4 calls:
141.0ms
(- (* (log (+ N 1.0)) (log (+ N 1.0))) (* (log N) (log N)))
41.0ms
(log (+ N 1.0))
47.0ms
(log (+ N 1.0))
41.0ms
(log (+ N 1.0))

simplify131.0ms

Algorithm
egg-herbie
Counts
84 → 84
Iterations

Useful iterations: 2 (31.0ms)

IterNodesCost
0372688
11204621
24951583
35001583

prune222.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.1b

regimes28.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.1b against oracle of 0.1b and baseline of 29.1b

bsearch29.0ms

Steps
ItersRangePoint
7
1836.721956390875
43768.65998072103
6058.788192135881

simplify1.0ms

Algorithm
egg-herbie
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02815
12815

end0.0ms

sample1.2s

Algorithm
intervals
Results
427.0ms1799×body1280valid
180.0ms8106×body80nan
172.0ms1180×body640valid
169.0ms4126×body80valid
54.0ms570×body320valid
25.0ms325×body160valid