Details

Time bar (total: 13.0s)

sample70.0ms

Algorithm
intervals
Results
23.0ms58×body1280valid
13.0ms277×body80nan
10.0ms39×body640valid
10.0ms134×body80valid
3.0ms18×body320valid
1.0msbody160valid

simplify24.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.0b

localize17.0ms

Local error

Found 2 expressions with local error:

2.5b
(log (+ N 1))
2.8b
(- (log (+ N 1)) (log N))

rewrite15.0ms

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:
3.0ms
(log (+ N 1))
11.0ms
(- (log (+ N 1)) (log N))

series114.0ms

Counts
2 → 6
Calls
2 calls:
40.0ms
(log (+ N 1))
75.0ms
(- (log (+ N 1)) (log N))

simplify1.1s

Counts
49 → 49
Iterations
IterNodes
done2006
42006
31350
2463
1199
097

prune184.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize10.0ms

Local error

Found 2 expressions with local error:

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

rewrite21.0ms

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:
15.0ms
(/ (+ N 1) N)
4.0ms
(log (/ (+ N 1) N))

series116.0ms

Counts
2 → 6
Calls
2 calls:
62.0ms
(/ (+ N 1) N)
54.0ms
(log (/ (+ N 1) N))

simplify813.0ms

Counts
68 → 68
Iterations
IterNodes
done2000
32000
2620
1233
0102

prune221.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize31.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (+ N 1))
0.3b
(cbrt (+ N 1))
0.3b
(/ (* (cbrt (+ N 1)) (cbrt (+ N 1))) (sqrt N))
3.0b
(+ (log (/ (* (cbrt (+ N 1)) (cbrt (+ N 1))) (sqrt N))) (log (/ (cbrt (+ N 1)) (sqrt N))))

rewrite125.0ms

Algorithm
rewrite-expression-head
Rules
60×*-un-lft-identity
56×log-prod
54×times-frac
46×associate-+r+
40×add-sqr-sqrt add-cube-cbrt
32×cbrt-prod
30×sqrt-prod
16×cbrt-div
12×distribute-lft-out
10×associate-+l+
flip3-+ add-exp-log flip-+
pow1 associate-/l/
add-cbrt-cube
associate-/r*
frac-times log-pow insert-posit16 add-log-exp
div-inv
cbrt-undiv log-div pow1/3 div-exp associate-*l/ associate-*r/
+-commutative clear-num associate-+r- sum-log frac-2neg prod-exp associate-+l- cbrt-unprod associate-/l*
Counts
4 → 140
Calls
4 calls:
5.0ms
(cbrt (+ N 1))
9.0ms
(cbrt (+ N 1))
29.0ms
(/ (* (cbrt (+ N 1)) (cbrt (+ N 1))) (sqrt N))
77.0ms
(+ (log (/ (* (cbrt (+ N 1)) (cbrt (+ N 1))) (sqrt N))) (log (/ (cbrt (+ N 1)) (sqrt N))))

series603.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(cbrt (+ N 1))
60.0ms
(cbrt (+ N 1))
139.0ms
(/ (* (cbrt (+ N 1)) (cbrt (+ N 1))) (sqrt N))
344.0ms
(+ (log (/ (* (cbrt (+ N 1)) (cbrt (+ N 1))) (sqrt N))) (log (/ (cbrt (+ N 1)) (sqrt N))))

simplify1.2s

Counts
152 → 152
Iterations
IterNodes
done2002
22002
1759
0314

prune768.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize75.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (sqrt N))
0.6b
(cbrt (sqrt N))
0.6b
(cbrt (sqrt N))
23.7b
(+ (+ (log (/ (* (cbrt (+ N 1)) (cbrt (+ N 1))) (sqrt N))) (log (/ (* (cbrt (cbrt (+ N 1))) (cbrt (cbrt (+ N 1)))) (* (cbrt (sqrt N)) (cbrt (sqrt N)))))) (log (/ (cbrt (cbrt (+ N 1))) (cbrt (sqrt N)))))

rewrite527.0ms

Algorithm
rewrite-expression-head
Rules
177×cbrt-prod
101×*-un-lft-identity
94×associate-+r+ log-prod
90×times-frac
68×add-sqr-sqrt add-cube-cbrt
39×sqrt-prod
27×distribute-lft-out
17×pow1
13×log-pow
add-log-exp
add-cbrt-cube add-exp-log insert-posit16
log-div sum-log pow1/3 associate-+l-
associate-+r-
+-commutative associate-+l+ flip3-+ flip-+ div-inv
Counts
4 → 166
Calls
4 calls:
2.0ms
(cbrt (sqrt N))
2.0ms
(cbrt (sqrt N))
2.0ms
(cbrt (sqrt N))
514.0ms
(+ (+ (log (/ (* (cbrt (+ N 1)) (cbrt (+ N 1))) (sqrt N))) (log (/ (* (cbrt (cbrt (+ N 1))) (cbrt (cbrt (+ N 1)))) (* (cbrt (sqrt N)) (cbrt (sqrt N)))))) (log (/ (cbrt (cbrt (+ N 1))) (cbrt (sqrt N)))))

series1.3s

Counts
4 → 12
Calls
4 calls:
244.0ms
(cbrt (sqrt N))
238.0ms
(cbrt (sqrt N))
275.0ms
(cbrt (sqrt N))
536.0ms
(+ (+ (log (/ (* (cbrt (+ N 1)) (cbrt (+ N 1))) (sqrt N))) (log (/ (* (cbrt (cbrt (+ N 1))) (cbrt (cbrt (+ N 1)))) (* (cbrt (sqrt N)) (cbrt (sqrt N)))))) (log (/ (cbrt (cbrt (+ N 1))) (cbrt (sqrt N)))))

simplify1.2s

Counts
178 → 178
Iterations
IterNodes
done2000
22000
1944
0371

prune1.3s

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.0b

regimes36.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 29.2b

bsearch32.0ms

Steps
ItersRangePoint
6
3231.8276777318033
48819.349325626084
8810.738870329447

simplify5.0ms

Iterations
IterNodes
done22
122
017

end0.0ms

sample3.1s

Algorithm
intervals
Results
874.0ms1701×body1280valid
856.0ms1268×body640valid
573.0ms8141×body80nan
369.0ms4106×body80valid
177.0ms627×body320valid
41.0ms298×body160valid