Details

Time bar (total: 10.2s)

sample97.0ms

Algorithm
intervals
Results
29.0ms56×body1280valid
14.0ms288×body80nan
13.0ms142×body80valid
10.0ms31×body640valid
4.0ms21×body320valid
1.0msbody160valid

simplify7.0ms

Counts
1 → 1
Iterations
IterNodes
done10
210
19
06

prune13.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 27.2b

localize19.0ms

Local error

Found 2 expressions with local error:

2.8b
(- (log (+ N 1.0)) (log N))
3.2b
(log (+ N 1.0))

rewrite51.0ms

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:
42.0ms
(- (log (+ N 1.0)) (log N))
8.0ms
(log (+ N 1.0))

series225.0ms

Counts
2 → 6
Calls
2 calls:
148.0ms
(- (log (+ N 1.0)) (log N))
77.0ms
(log (+ N 1.0))

simplify1.2s

Counts
47 → 47
Iterations
IterNodes
done5000
32789
2645
1213
0101

prune220.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize15.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ 1.0 N) N)
3.3b
(log (/ (+ 1.0 N) N))

rewrite31.0ms

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:
20.0ms
(/ (+ 1.0 N) N)
9.0ms
(log (/ (+ 1.0 N) N))

series209.0ms

Counts
2 → 6
Calls
2 calls:
71.0ms
(/ (+ 1.0 N) N)
138.0ms
(log (/ (+ 1.0 N) N))

simplify493.0ms

Counts
66 → 66
Iterations
IterNodes
done5001
21011
1243
0107

prune244.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.0b

localize30.0ms

Local error

Found 4 expressions with local error:

2.8b
(- (pow (log (+ 1.0 N)) 3) (pow (log N) 3))
3.2b
(log (+ 1.0 N))
3.2b
(log (+ 1.0 N))
3.2b
(log (+ 1.0 N))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
31×add-sqr-sqrt *-un-lft-identity
24×unpow-prod-down cube-prod
23×pow1
19×log-pow
17×distribute-lft-out--
16×difference-of-squares
12×log-prod
sqr-pow
add-exp-log add-cube-cbrt
log-div add-log-exp
add-cbrt-cube
flip3-+ rem-log-exp flip-+ distribute-lft-out
difference-cubes sub-neg flip3-- diff-log flip--
Counts
4 → 91
Calls
4 calls:
40.0ms
(- (pow (log (+ 1.0 N)) 3) (pow (log N) 3))
7.0ms
(log (+ 1.0 N))
7.0ms
(log (+ 1.0 N))
5.0ms
(log (+ 1.0 N))

series428.0ms

Counts
4 → 12
Calls
4 calls:
277.0ms
(- (pow (log (+ 1.0 N)) 3) (pow (log N) 3))
48.0ms
(log (+ 1.0 N))
53.0ms
(log (+ 1.0 N))
49.0ms
(log (+ 1.0 N))

simplify882.0ms

Counts
103 → 103
Iterations
IterNodes
done5000
22098
1483
0192

prune597.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.0b

localize17.0ms

Local error

Found 3 expressions with local error:

0.3b
(/ 0.5 (* N N))
0.3b
(/ 0.3333333333333333 (pow N 3))
19.1b
(- (/ 0.5 (* N N)) (/ 0.3333333333333333 (pow N 3)))

rewrite91.0ms

Algorithm
rewrite-expression-head
Rules
56×add-sqr-sqrt
54×times-frac
34×*-un-lft-identity
30×add-cube-cbrt
14×unpow-prod-down cube-prod
13×associate-/r* add-exp-log
10×add-cbrt-cube difference-of-squares
associate-/l* sqr-pow
cube-mult div-exp add-log-exp
unpow3
pow1 cbrt-undiv
clear-num frac-2neg div-inv distribute-lft-out--
pow-to-exp sub-neg flip3-- diff-log pow-exp prod-exp frac-sub cbrt-unprod flip--
Counts
3 → 111
Calls
3 calls:
9.0ms
(/ 0.5 (* N N))
6.0ms
(/ 0.3333333333333333 (pow N 3))
72.0ms
(- (/ 0.5 (* N N)) (/ 0.3333333333333333 (pow N 3)))

series211.0ms

Counts
3 → 9
Calls
3 calls:
38.0ms
(/ 0.5 (* N N))
60.0ms
(/ 0.3333333333333333 (pow N 3))
113.0ms
(- (/ 0.5 (* N N)) (/ 0.3333333333333333 (pow N 3)))

simplify1.9s

Counts
120 → 120
Iterations
IterNodes
done5001
23228
1437
0175

prune441.0ms

Pruning

4 alts after pruning (1 fresh and 3 done)

Merged error: 0.0b

regimes67.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 29.5b

bsearch60.0ms

Steps
ItersRangePoint
8
5.1212688054922095
43837.056983701754
7426.10510392418

simplify3.0ms

Iterations
IterNodes
done19
119
018

end0.0ms

sample2.6s

Algorithm
intervals
Results
723.0ms1688×body1280valid
482.0ms7906×body80nan
406.0ms4067×body80valid
353.0ms1295×body640valid
119.0ms668×body320valid
68.0ms282×body160valid