Details

Time bar (total: 14.8s)

sample105.0ms

Algorithm
intervals
Results
33.0ms56×body1280valid
20.0ms278×body80nan
16.0ms38×body640valid
14.0ms134×body80valid
5.0ms20×body320valid
1.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
310
210
19
06

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.9b

localize12.0ms

Local error

Found 2 expressions with local error:

2.8b
(- (log (+ N 1)) (log N))
3.0b
(log (+ N 1))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
11×log-prod
add-sqr-sqrt pow1
log-pow add-cube-cbrt
log-div associate--l+ distribute-lft-out--
add-exp-log associate--r+
associate--l- flip3-+ add-cbrt-cube flip-+ insert-posit16 distribute-lft-out add-log-exp
sub-neg flip3-- diff-log rem-log-exp flip-- difference-of-squares
Counts
2 → 43
Calls
2 calls:
38.0ms
(- (log (+ N 1)) (log N))
7.0ms
(log (+ N 1))

series118.0ms

Counts
2 → 6
Calls
2 calls:
65.0ms
(- (log (+ N 1)) (log N))
52.0ms
(log (+ N 1))

simplify1.6s

Counts
49 → 49
Iterations
IterNodes
42935
31181
2416
1194
097

prune343.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize44.0ms

Local error

Found 4 expressions with local error:

2.8b
(- (* (log (+ N 1)) (log (+ N 1))) (* (log N) (log N)))
3.0b
(log (+ N 1))
3.0b
(log (+ N 1))
3.0b
(log (+ N 1))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
26×log-prod
21×*-un-lft-identity
11×add-sqr-sqrt add-cube-cbrt
associate--l+
distribute-rgt-in pow1 distribute-lft-in add-exp-log
log-div associate--r+ add-log-exp
distribute-lft-out
add-cbrt-cube insert-posit16
flip3-+ rem-log-exp log-pow flip-+
sub-neg flip3-- diff-log flip-- difference-of-squares
Counts
4 → 76
Calls
4 calls:
21.0ms
(- (* (log (+ N 1)) (log (+ N 1))) (* (log N) (log N)))
6.0ms
(log (+ N 1))
6.0ms
(log (+ N 1))
6.0ms
(log (+ N 1))

series249.0ms

Counts
4 → 12
Calls
4 calls:
155.0ms
(- (* (log (+ N 1)) (log (+ N 1))) (* (log N) (log N)))
38.0ms
(log (+ N 1))
32.0ms
(log (+ N 1))
23.0ms
(log (+ N 1))

simplify990.0ms

Counts
88 → 88
Iterations
IterNodes
32667
2821
1315
0138

prune867.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize18.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1) N)
3.0b
(log (/ (+ N 1) N))

rewrite41.0ms

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 insert-posit16 div-inv add-log-exp associate-/l/
cbrt-undiv log-div clear-num frac-2neg flip3-+ log-pow flip-+
Counts
2 → 62
Calls
2 calls:
31.0ms
(/ (+ N 1) N)
8.0ms
(log (/ (+ N 1) N))

series118.0ms

Counts
2 → 6
Calls
2 calls:
61.0ms
(/ (+ N 1) N)
57.0ms
(log (/ (+ N 1) N))

simplify3.2s

Counts
68 → 68
Iterations
IterNodes
45391
31555
2508
1225
0102

prune492.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0.1b

localize87.0ms

Local error

Found 4 expressions with local error:

3.0b
(log (+ N 1))
3.0b
(log (+ N 1))
3.0b
(log (+ N 1))
3.0b
(log (+ N 1))

rewrite24.0ms

Algorithm
rewrite-expression-head
Rules
16×log-prod *-un-lft-identity
add-sqr-sqrt pow1 log-div add-exp-log add-cube-cbrt
flip3-+ add-cbrt-cube rem-log-exp log-pow flip-+ insert-posit16 distribute-lft-out add-log-exp
Counts
4 → 64
Calls
4 calls:
4.0ms
(log (+ N 1))
6.0ms
(log (+ N 1))
6.0ms
(log (+ N 1))
7.0ms
(log (+ N 1))

series98.0ms

Counts
4 → 12
Calls
4 calls:
22.0ms
(log (+ N 1))
28.0ms
(log (+ N 1))
24.0ms
(log (+ N 1))
23.0ms
(log (+ N 1))

simplify1.9s

Counts
76 → 76
Iterations
IterNodes
53338
41134
3442
2212
1105
055

prune1.0s

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0.1b

regimes55.0ms

Accuracy

99.8% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 29.5b

bsearch56.0ms

Steps
ItersRangePoint
7
186.95626557948964
5877.37978213442
4683.545058486523

simplify4.0ms

Iterations
IterNodes
227
127
022

end0.0ms

sample3.2s

Algorithm
intervals
Results
1.1s1733×body1280valid
622.0ms8086×body80nan
536.0ms1258×body640valid
439.0ms4077×body80valid
244.0ms641×body320valid
49.0ms291×body160valid