Details

Time bar (total: 26.7s)

sample459.0ms

Algorithm
intervals
Results
403.0ms48×body640valid
20.0ms52×body1280valid
13.0ms271×body80nan
9.0ms132×body80valid
3.0ms15×body320valid
1.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
310
210
19
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.0b

localize13.0ms

Local error

Found 2 expressions with local error:

2.6b
(- (log (+ N 1)) (log N))
3.9b
(log (+ N 1))

rewrite13.0ms

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:
8.0ms
(- (log (+ N 1)) (log N))
4.0ms
(log (+ N 1))

series85.0ms

Counts
2 → 6
Calls
2 calls:
60.0ms
(- (log (+ N 1)) (log N))
25.0ms
(log (+ N 1))

simplify1.4s

Counts
49 → 49
Iterations
IterNodes
42935
31181
2416
1194
097

prune443.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize13.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1) N)
2.5b
(log (/ (+ N 1) N))

rewrite18.0ms

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:
13.0ms
(/ (+ N 1) N)
4.0ms
(log (/ (+ N 1) N))

series109.0ms

Counts
2 → 6
Calls
2 calls:
61.0ms
(/ (+ N 1) N)
48.0ms
(log (/ (+ N 1) N))

simplify3.2s

Counts
68 → 68
Iterations
IterNodes
45391
31555
2508
1225
0102

prune461.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize31.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (/ (+ N 1) (sqrt N)) (sqrt N))
0.4b
(/ (+ N 1) (sqrt N))
15.6b
(log (/ (/ (+ N 1) (sqrt N)) (sqrt N)))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
672×times-frac
500×*-un-lft-identity
342×sqrt-prod
330×add-sqr-sqrt add-cube-cbrt
172×log-prod
85×distribute-lft-out
32×associate-/l*
16×add-exp-log div-inv
12×associate-/r*
10×add-cbrt-cube
div-exp
pow1 cbrt-undiv
rem-log-exp insert-posit16 add-log-exp associate-/l/
clear-num frac-2neg
log-div flip3-+ log-pow flip-+
Counts
3 → 452
Calls
3 calls:
32.0ms
(/ (/ (+ N 1) (sqrt N)) (sqrt N))
14.0ms
(/ (+ N 1) (sqrt N))
6.0ms
(log (/ (/ (+ N 1) (sqrt N)) (sqrt N)))

series198.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(/ (/ (+ N 1) (sqrt N)) (sqrt N))
78.0ms
(/ (+ N 1) (sqrt N))
75.0ms
(log (/ (/ (+ N 1) (sqrt N)) (sqrt N)))

simplify1.0s

Counts
461 → 461
Iterations
IterNodes
22208
11034
0458

prune4.5s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize37.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (sqrt (/ (+ N 1) (sqrt N))) (sqrt N))
0.4b
(/ (+ N 1) (sqrt N))
0.4b
(/ (+ N 1) (sqrt N))
3.0b
(+ (log (/ (sqrt (/ (+ N 1) (sqrt N))) 1)) (log (/ (sqrt (/ (+ N 1) (sqrt N))) (sqrt N))))

rewrite133.0ms

Algorithm
rewrite-expression-head
Rules
897×times-frac
859×sqrt-prod
677×*-un-lft-identity
453×add-sqr-sqrt add-cube-cbrt
287×log-prod
190×associate-+r+
114×distribute-lft-out
97×associate-+l+
39×associate-/l*
21×div-inv
18×associate-/r*
10×add-cbrt-cube add-exp-log
pow1
associate-/l/
log-pow insert-posit16 add-log-exp
cbrt-undiv clear-num frac-2neg flip3-+ div-exp flip-+
log-div
+-commutative sqrt-undiv associate-+r- sum-log sqrt-div associate-+l-
Counts
4 → 641
Calls
4 calls:
28.0ms
(/ (sqrt (/ (+ N 1) (sqrt N))) (sqrt N))
22.0ms
(/ (+ N 1) (sqrt N))
14.0ms
(/ (+ N 1) (sqrt N))
32.0ms
(+ (log (/ (sqrt (/ (+ N 1) (sqrt N))) 1)) (log (/ (sqrt (/ (+ N 1) (sqrt N))) (sqrt N))))

series511.0ms

Counts
4 → 12
Calls
4 calls:
93.0ms
(/ (sqrt (/ (+ N 1) (sqrt N))) (sqrt N))
79.0ms
(/ (+ N 1) (sqrt N))
67.0ms
(/ (+ N 1) (sqrt N))
272.0ms
(+ (log (/ (sqrt (/ (+ N 1) (sqrt N))) 1)) (log (/ (sqrt (/ (+ N 1) (sqrt N))) (sqrt N))))

simplify1.6s

Counts
653 → 653
Iterations
IterNodes
22649
11412
0750

prune8.9s

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.0b

regimes42.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 29.3b

bsearch47.0ms

Steps
ItersRangePoint
8
41.60074012902226
43862.50504651285
7250.408229147694

simplify6.0ms

Iterations
IterNodes
223
123
019

end0.0ms

sample3.3s

Algorithm
intervals
Results
1.4s1752×body1280valid
517.0ms8041×body80nan
496.0ms1281×body640valid
407.0ms4105×body80valid
135.0ms591×body320valid
64.0ms271×body160valid