Details

Time bar (total: 15.0s)

sample72.0ms

Algorithm
intervals
Results
25.0ms66×body1280valid
17.0ms138×body80valid
10.0ms245×body80nan
5.0ms21×body640valid
4.0ms23×body320valid
1.0msbody160valid

simplify4.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.0b

localize11.0ms

Local error

Found 2 expressions with local error:

1.4b
(log (+ N 1))
3.0b
(- (log (+ N 1)) (log N))

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:
3.0ms
(log (+ N 1))
9.0ms
(- (log (+ N 1)) (log N))

series107.0ms

Counts
2 → 6
Calls
2 calls:
36.0ms
(log (+ N 1))
70.0ms
(- (log (+ N 1)) (log N))

simplify2.1s

Counts
49 → 49
Iterations
IterNodes
done5001
43992
31581
2497
1199
097

prune190.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize16.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1) N)
2.9b
(log (/ (+ N 1) N))

rewrite36.0ms

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:
28.0ms
(/ (+ N 1) N)
7.0ms
(log (/ (+ N 1) N))

series119.0ms

Counts
2 → 6
Calls
2 calls:
59.0ms
(/ (+ N 1) N)
60.0ms
(log (/ (+ N 1) N))

simplify1.5s

Counts
68 → 68
Iterations
IterNodes
done5241
32625
2633
1233
0102

prune230.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize26.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (+ N 1))
0.1b
(/ (sqrt (+ N 1)) N)
1.4b
(log (/ (sqrt (+ N 1)) 1))
3.2b
(+ (log (/ (sqrt (+ N 1)) 1)) (log (/ (sqrt (+ N 1)) N)))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
95×*-un-lft-identity
84×times-frac
75×log-prod
64×add-sqr-sqrt
63×add-cube-cbrt
56×sqrt-prod
25×associate-+l+ associate-+r+
18×distribute-lft-out
10×pow1 add-exp-log
associate-/l*
add-cbrt-cube
log-pow
sqrt-div insert-posit16 div-inv add-log-exp
log-div associate-/r* flip3-+ div-exp rem-log-exp flip-+
associate-/l/
cbrt-undiv +-commutative rem-sqrt-square clear-num associate-+r- sum-log frac-2neg sqrt-pow1 pow1/2 1-exp associate-+l-
Counts
4 → 169
Calls
4 calls:
8.0ms
(sqrt (+ N 1))
16.0ms
(/ (sqrt (+ N 1)) N)
4.0ms
(log (/ (sqrt (+ N 1)) 1))
15.0ms
(+ (log (/ (sqrt (+ N 1)) 1)) (log (/ (sqrt (+ N 1)) N)))

series429.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(sqrt (+ N 1))
84.0ms
(/ (sqrt (+ N 1)) N)
88.0ms
(log (/ (sqrt (+ N 1)) 1))
229.0ms
(+ (log (/ (sqrt (+ N 1)) 1)) (log (/ (sqrt (+ N 1)) N)))

simplify2.1s

Counts
181 → 181
Iterations
IterNodes
done5004
33935
21325
1554
0261

prune692.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.1b

localize49.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (+ N 1)) (sqrt N))
1.4b
(log (sqrt (+ N 1)))
3.0b
(log (/ (sqrt (+ N 1)) (sqrt N)))
3.0b
(- (log (sqrt (+ N 1))) (log (sqrt N)))

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
108×sqrt-prod
101×*-un-lft-identity
84×times-frac
69×add-sqr-sqrt
67×add-cube-cbrt
66×log-prod
15×distribute-lft-out
13×pow1
12×log-pow
10×add-exp-log
associate--l+ associate-/l*
associate-/r* add-cbrt-cube sqrt-div associate--r+ distribute-lft-out--
log-div
insert-posit16 add-log-exp
sqrt-pow1 flip3-+ pow1/2 rem-log-exp flip-+
associate--l- div-exp div-inv associate-/l/
cbrt-undiv sqrt-undiv clear-num sub-neg frac-2neg flip3-- diff-log flip-- difference-of-squares
Counts
4 → 185
Calls
4 calls:
21.0ms
(/ (sqrt (+ N 1)) (sqrt N))
7.0ms
(log (sqrt (+ N 1)))
8.0ms
(log (/ (sqrt (+ N 1)) (sqrt N)))
23.0ms
(- (log (sqrt (+ N 1))) (log (sqrt N)))

series659.0ms

Counts
4 → 12
Calls
4 calls:
90.0ms
(/ (sqrt (+ N 1)) (sqrt N))
64.0ms
(log (sqrt (+ N 1)))
148.0ms
(log (/ (sqrt (+ N 1)) (sqrt N)))
357.0ms
(- (log (sqrt (+ N 1))) (log (sqrt N)))

simplify2.6s

Counts
197 → 197
Iterations
IterNodes
done5010
33953
21295
1549
0272

prune769.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

regimes53.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 29.4b

bsearch26.0ms

Steps
ItersRangePoint
6
2842.495256040047
21179.114160721674
5400.000739830978

simplify3.0ms

Iterations
IterNodes
done27
127
022

end0.0ms

sample3.1s

Algorithm
intervals
Results
1.1s1755×body1280valid
659.0ms7851×body80nan
462.0ms4070×body80valid
459.0ms1228×body640valid
167.0ms642×body320valid
51.0ms305×body160valid