Details

Time bar (total: 14.4s)

sample73.0ms

Algorithm
intervals
Results
22.0ms51×body1280valid
15.0ms248×body80nan
12.0ms46×body640valid
9.0ms132×body80valid
4.0ms20×body320valid
1.0msbody160valid

simplify5.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.2b

localize13.0ms

Local error

Found 2 expressions with local error:

1.9b
(- (log (+ N 1)) (log N))
2.8b
(log (+ N 1))

rewrite19.0ms

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:
13.0ms
(- (log (+ N 1)) (log N))
6.0ms
(log (+ N 1))

series134.0ms

Counts
2 → 6
Calls
2 calls:
87.0ms
(- (log (+ N 1)) (log N))
47.0ms
(log (+ N 1))

simplify2.8s

Counts
49 → 49
Iterations
IterNodes
done5001
43749
31329
2452
1200
097

prune157.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1) N)
1.9b
(log (/ (+ N 1) N))

rewrite33.0ms

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:
25.0ms
(/ (+ N 1) N)
6.0ms
(log (/ (+ N 1) N))

series120.0ms

Counts
2 → 6
Calls
2 calls:
62.0ms
(/ (+ N 1) N)
57.0ms
(log (/ (+ N 1) N))

simplify1.9s

Counts
68 → 68
Iterations
IterNodes
done5021
32563
2620
1233
0102

prune225.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize18.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1 N) N)
1.9b
(log (/ (+ 1 N) N))

rewrite29.0ms

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:
20.0ms
(/ (+ 1 N) N)
7.0ms
(log (/ (+ 1 N) N))

series144.0ms

Counts
2 → 6
Calls
2 calls:
82.0ms
(/ (+ 1 N) N)
63.0ms
(log (/ (+ 1 N) N))

simplify1.5s

Counts
68 → 68
Iterations
IterNodes
done5300
32187
2578
1233
0102

prune192.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize30.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ 1 N))
0.1b
(/ (sqrt (+ 1 N)) N)
2.2b
(+ (log (sqrt (+ 1 N))) (log (/ (sqrt (+ 1 N)) N)))
2.7b
(log (sqrt (+ 1 N)))

rewrite104.0ms

Algorithm
rewrite-expression-head
Rules
63×*-un-lft-identity
42×times-frac
40×add-sqr-sqrt sqrt-prod
39×log-prod add-cube-cbrt
25×associate-+r+
14×distribute-lft-out
11×pow1
sqrt-div
associate-+l+ add-exp-log log-pow associate-/l*
add-cbrt-cube
log-div flip3-+ flip-+
insert-posit16 add-log-exp
associate-/r*
sqrt-pow1 pow1/2 associate-+l- div-inv associate-/l/
cbrt-undiv +-commutative rem-sqrt-square clear-num associate-+r- sum-log frac-2neg div-exp rem-log-exp
Counts
4 → 135
Calls
4 calls:
13.0ms
(sqrt (+ 1 N))
28.0ms
(/ (sqrt (+ 1 N)) N)
41.0ms
(+ (log (sqrt (+ 1 N))) (log (/ (sqrt (+ 1 N)) N)))
10.0ms
(log (sqrt (+ 1 N)))

series421.0ms

Counts
4 → 12
Calls
4 calls:
40.0ms
(sqrt (+ 1 N))
72.0ms
(/ (sqrt (+ 1 N)) N)
210.0ms
(+ (log (sqrt (+ 1 N))) (log (/ (sqrt (+ 1 N)) N)))
99.0ms
(log (sqrt (+ 1 N)))

simplify2.8s

Counts
147 → 147
Iterations
IterNodes
done5004
34618
21162
1454
0215

prune618.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

regimes54.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.1b and baseline of 28.8b

bsearch56.0ms

Steps
ItersRangePoint
8
29.100869698027953
73049.03827748532
8585.191610072276

simplify3.0ms

Iterations
IterNodes
done20
120
016

end0.0ms

sample3.0s

Algorithm
intervals
Results
1.4s1705×body1280valid
422.0ms1221×body640valid
419.0ms4166×body80valid
382.0ms8127×body80nan
121.0ms618×body320valid
38.0ms290×body160valid