Details

Time bar (total: 14.2s)

sample68.0ms

Algorithm
intervals
Results
22.0ms55×body1280valid
9.0ms225×body80nan
9.0ms133×body80valid
8.0ms34×body640valid
4.0ms24×body320valid
1.0ms10×body160valid

simplify6.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.6b

localize38.0ms

Local error

Found 2 expressions with local error:

1.8b
(log (+ N 1.0))
2.8b
(- (log (+ N 1.0)) (log N))

rewrite30.0ms

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-+ distribute-lft-out add-log-exp
sub-neg flip3-- diff-log rem-log-exp flip-- difference-of-squares
Counts
2 → 41
Calls
2 calls:
7.0ms
(log (+ N 1.0))
21.0ms
(- (log (+ N 1.0)) (log N))

series201.0ms

Counts
2 → 6
Calls
2 calls:
64.0ms
(log (+ N 1.0))
137.0ms
(- (log (+ N 1.0)) (log N))

simplify1.5s

Counts
47 → 47
Iterations
IterNodes
done5000
31557
2530
1213
0101

prune202.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1.0) N)
3.4b
(log (/ (+ N 1.0) 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 div-inv add-log-exp associate-/l/
cbrt-undiv log-div clear-num frac-2neg flip3-+ log-pow flip-+
Counts
2 → 60
Calls
2 calls:
28.0ms
(/ (+ N 1.0) N)
9.0ms
(log (/ (+ N 1.0) N))

series216.0ms

Counts
2 → 6
Calls
2 calls:
89.0ms
(/ (+ N 1.0) N)
127.0ms
(log (/ (+ N 1.0) N))

simplify1.5s

Counts
66 → 66
Iterations
IterNodes
done5001
32289
2619
1243
0108

prune212.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize21.0ms

Local error

Found 3 expressions with local error:

0.0b
(log (sqrt N))
0.4b
(/ (+ N 1.0) (sqrt N))
3.0b
(+ (- (log (sqrt N))) (log (/ (+ N 1.0) (sqrt N))))

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
72×*-un-lft-identity
48×times-frac
40×log-prod
39×add-sqr-sqrt add-cube-cbrt
33×sqrt-prod
28×associate-+r+
19×distribute-lft-out
10×pow1
log-pow
associate-+l+ distribute-neg-in associate-/r* add-exp-log
add-cbrt-cube
distribute-rgt-neg-in associate-/l* add-log-exp
sum-log flip3-+ flip-+ div-inv associate-/l/
neg-sub0 cbrt-undiv +-commutative log-div clear-num associate-+r- frac-2neg sqrt-pow1 pow1/2 div-exp rem-log-exp neg-log associate-+l-
Counts
3 → 119
Calls
3 calls:
3.0ms
(log (sqrt N))
29.0ms
(/ (+ N 1.0) (sqrt N))
28.0ms
(+ (- (log (sqrt N))) (log (/ (+ N 1.0) (sqrt N))))

series384.0ms

Counts
3 → 9
Calls
3 calls:
100.0ms
(log (sqrt N))
52.0ms
(/ (+ N 1.0) (sqrt N))
231.0ms
(+ (- (log (sqrt N))) (log (/ (+ N 1.0) (sqrt N))))

simplify1.4s

Counts
128 → 128
Iterations
IterNodes
done5000
21294
1463
0199

prune649.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize46.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt (/ (+ N 1.0) (sqrt N)))
0.5b
(cbrt (/ (+ N 1.0) (sqrt N)))
0.5b
(* (cbrt (/ (+ N 1.0) (sqrt N))) (cbrt (/ (+ N 1.0) (sqrt N))))
3.0b
(+ (- (log (sqrt N))) (log (* (* (cbrt (/ (+ N 1.0) (sqrt N))) (cbrt (/ (+ N 1.0) (sqrt N)))) (cbrt (/ (+ N 1.0) (sqrt N))))))

rewrite454.0ms

Algorithm
rewrite-expression-head
Rules
251×*-un-lft-identity
240×cbrt-prod
208×times-frac
184×add-sqr-sqrt
112×add-cube-cbrt
107×sqrt-prod
68×distribute-lft-out
55×swap-sqr
33×pow1
31×associate-*r* associate-*l*
18×cbrt-div
16×unswap-sqr
13×log-pow
11×pow-prod-down
distribute-rgt-neg-in pow1/3
log-div log-prod associate-+r-
frac-times associate-+l+ distribute-neg-in associate-*l/ add-exp-log div-inv
add-log-exp
add-cbrt-cube associate-*r/
sum-log pow-sqr pow-prod-up
pow2 neg-sub0 +-commutative associate-+r+ flip3-+ pow-plus neg-log prod-exp *-commutative associate-+l- cbrt-unprod flip-+
Counts
4 → 267
Calls
4 calls:
5.0ms
(cbrt (/ (+ N 1.0) (sqrt N)))
5.0ms
(cbrt (/ (+ N 1.0) (sqrt N)))
86.0ms
(* (cbrt (/ (+ N 1.0) (sqrt N))) (cbrt (/ (+ N 1.0) (sqrt N))))
339.0ms
(+ (- (log (sqrt N))) (log (* (* (cbrt (/ (+ N 1.0) (sqrt N))) (cbrt (/ (+ N 1.0) (sqrt N)))) (cbrt (/ (+ N 1.0) (sqrt N))))))

series793.0ms

Counts
4 → 12
Calls
4 calls:
169.0ms
(cbrt (/ (+ N 1.0) (sqrt N)))
200.0ms
(cbrt (/ (+ N 1.0) (sqrt N)))
173.0ms
(* (cbrt (/ (+ N 1.0) (sqrt N))) (cbrt (/ (+ N 1.0) (sqrt N))))
251.0ms
(+ (- (log (sqrt N))) (log (* (* (cbrt (/ (+ N 1.0) (sqrt N))) (cbrt (/ (+ N 1.0) (sqrt N)))) (cbrt (/ (+ N 1.0) (sqrt N))))))

simplify2.0s

Counts
279 → 279
Iterations
IterNodes
done5000
21801
1714
0331

prune1.5s

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.1b

regimes55.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 29.6b

bsearch45.0ms

Steps
ItersRangePoint
7
44.35744796693956
8445.545519380286
7951.823313362933

simplify5.0ms

Iterations
IterNodes
done20
120
017

end0.0ms

sample2.8s

Algorithm
intervals
Results
893.0ms7962×body80nan
769.0ms1761×body1280valid
372.0ms4041×body80valid
322.0ms1264×body640valid
143.0ms624×body320valid
33.0ms310×body160valid