Details

Time bar (total: 15.3s)

sample73.0ms

Algorithm
intervals
Results
28.0ms66×body1280valid
11.0ms245×body80nan
10.0ms138×body80valid
5.0ms21×body640valid
4.0ms23×body320valid
1.0msbody160valid

simplify10.0ms

Counts
1 → 1
Iterations
IterNodes
done12
212
111
06

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 28.0b

localize24.0ms

Local error

Found 2 expressions with local error:

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

rewrite18.0ms

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))
14.0ms
(- (log (+ N 1)) (log N))

series123.0ms

Counts
2 → 6
Calls
2 calls:
33.0ms
(log (+ N 1))
90.0ms
(- (log (+ N 1)) (log N))

simplify2.4s

Counts
49 → 49
Iterations
IterNodes
done5000
43864
31350
2463
1199
097

prune206.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize17.0ms

Local error

Found 2 expressions with local error:

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

rewrite35.0ms

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:
27.0ms
(/ (+ 1 N) N)
7.0ms
(log (/ (+ 1 N) N))

series140.0ms

Counts
2 → 6
Calls
2 calls:
67.0ms
(/ (+ 1 N) N)
72.0ms
(log (/ (+ 1 N) N))

simplify1.3s

Counts
68 → 68
Iterations
IterNodes
done5300
32187
2578
1233
0102

prune186.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.1b

localize17.0ms

Local error

Found 4 expressions with local error:

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

rewrite55.0ms

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:
9.0ms
(sqrt (+ 1 N))
24.0ms
(/ (sqrt (+ 1 N)) N)
6.0ms
(log (sqrt (+ 1 N)))
13.0ms
(+ (log (sqrt (+ 1 N))) (log (/ (sqrt (+ 1 N)) N)))

series394.0ms

Counts
4 → 12
Calls
4 calls:
24.0ms
(sqrt (+ 1 N))
59.0ms
(/ (sqrt (+ 1 N)) N)
71.0ms
(log (sqrt (+ 1 N)))
240.0ms
(+ (log (sqrt (+ 1 N))) (log (/ (sqrt (+ 1 N)) N)))

simplify3.2s

Counts
147 → 147
Iterations
IterNodes
done5002
34823
21158
1455
0215

prune649.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.1b

localize28.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (sqrt N))
1.4b
(log (sqrt (+ 1 N)))
3.0b
(log (/ (sqrt (+ 1 N)) (sqrt N)))
3.0b
(+ (log (sqrt (+ 1 N))) (log (/ 1 (sqrt N))))

rewrite32.0ms

Algorithm
rewrite-expression-head
Rules
83×*-un-lft-identity
82×log-prod
78×times-frac
74×sqrt-prod
63×add-sqr-sqrt add-cube-cbrt
22×associate-+r+
13×pow1
12×add-exp-log distribute-lft-out
log-pow
associate-+l+
log-div associate-/r* add-cbrt-cube
sqrt-div insert-posit16 add-log-exp
flip3-+ div-exp rem-log-exp flip-+ div-inv pow-flip associate-/l*
sqrt-pow1 pow1/2 log-rec associate-+l-
cbrt-undiv +-commutative rec-exp clear-num associate-+r- sum-log frac-2neg 1-exp unsub-neg inv-pow
Counts
4 → 175
Calls
4 calls:
5.0ms
(/ 1 (sqrt N))
3.0ms
(log (sqrt (+ 1 N)))
8.0ms
(log (/ (sqrt (+ 1 N)) (sqrt N)))
13.0ms
(+ (log (sqrt (+ 1 N))) (log (/ 1 (sqrt N))))

series393.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(/ 1 (sqrt N))
71.0ms
(log (sqrt (+ 1 N)))
143.0ms
(log (/ (sqrt (+ 1 N)) (sqrt N)))
140.0ms
(+ (log (sqrt (+ 1 N))) (log (/ 1 (sqrt N))))

simplify2.6s

Counts
187 → 187
Iterations
IterNodes
done5000
33542
21261
1589
0292

prune882.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.1b

regimes39.0ms

Accuracy

99.9% (0.0b remaining)

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

bsearch25.0ms

Steps
ItersRangePoint
6
2842.495256040047
21179.114160721674
4842.291926013775

simplify3.0ms

Iterations
IterNodes
done25
125
019

end0.0ms

sample2.4s

Algorithm
intervals
Results
912.0ms1755×body1280valid
473.0ms7851×body80nan
374.0ms1228×body640valid
291.0ms4070×body80valid
122.0ms642×body320valid
34.0ms305×body160valid