Details

Time bar (total: 17.3s)

sample51.0ms

Algorithm
intervals
Results
16.0ms64×body1280valid
8.0ms334×body80nan
6.0ms130×body80valid
5.0ms33×body640valid
2.0ms16×body320valid
1.0ms13×body160valid

simplify4.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 29.3b

localize7.0ms

Local error

Found 2 expressions with local error:

2.2b
(log (+ N 1.0))
3.5b
(- (log (+ N 1.0)) (log N))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
16×pow1 add-sqr-sqrt prod-diff
14×add-cube-cbrt log-pow
11×log-prod
log-div fma-neg associate--l+ distribute-lft-out--
add-exp-log associate--r+
associate--l- expm1-log1p-u flip3-+ add-cbrt-cube flip-+ log1p-expm1-u distribute-lft-out add-log-exp
sub-neg flip3-- diff-log rem-log-exp flip-- difference-of-squares
Counts
2 → 65
Calls
2 calls:
5.0ms
(log (+ N 1.0))
15.0ms
(- (log (+ N 1.0)) (log N))

series192.0ms

Counts
2 → 6
Calls
2 calls:
62.0ms
(log (+ N 1.0))
130.0ms
(- (log (+ N 1.0)) (log N))

simplify3.8s

Counts
71 → 71
Iterations

Useful iterations: done (3.8s)

IterNodesCost
01271052
1277855
2666705
32050614
done5000592

prune184.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.1b

localize10.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1.0) N)
3.5b
(log (/ (+ N 1.0) 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*
expm1-log1p-u div-exp rem-log-exp log1p-expm1-u div-inv associate-/l/ add-log-exp
cbrt-undiv log-div frac-2neg flip3-+ clear-num log-pow flip-+
Counts
2 → 64
Calls
2 calls:
20.0ms
(/ (+ N 1.0) N)
8.0ms
(log (/ (+ N 1.0) N))

series221.0ms

Counts
2 → 6
Calls
2 calls:
86.0ms
(/ (+ N 1.0) N)
134.0ms
(log (/ (+ N 1.0) N))

simplify3.9s

Counts
70 → 70
Iterations

Useful iterations: done (3.9s)

IterNodesCost
0112749
1242708
2620660
31531647
44287643
done5000612

prune201.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 1 expressions with local error:

0.0b
(log1p (/ 1.0 N))

rewrite1.0ms

Algorithm
rewrite-expression-head
Rules
expm1-log1p-u
pow1 add-exp-log add-sqr-sqrt add-cube-cbrt log1p-udef *-un-lft-identity log1p-expm1 add-cbrt-cube log1p-expm1-u add-log-exp
Counts
1 → 11
Calls
1 calls:
1.0ms
(log1p (/ 1.0 N))

series101.0ms

Counts
1 → 3
Calls
1 calls:
101.0ms
(log1p (/ 1.0 N))

simplify4.0s

Counts
14 → 14
Iterations

Useful iterations: done (4.0s)

IterNodesCost
039126
185120
2196102
3430102
4991100
5235298
done500092

prune27.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0.0b

localize14.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (- (/ 0.3333333333333333 N) 0.5) N)
0.1b
(/ (+ 1.0 (/ (- (/ 0.3333333333333333 N) 0.5) N)) N)

rewrite286.0ms

Algorithm
rewrite-expression-head
Rules
42×add-sqr-sqrt
38×*-un-lft-identity
34×times-frac
22×add-cube-cbrt
10×associate-/l*
difference-of-squares
add-exp-log associate-/r* add-cbrt-cube
associate-/l/ distribute-lft-out distribute-lft-out--
div-sub
pow1 cbrt-undiv expm1-log1p-u frac-2neg div-exp clear-num log1p-expm1-u div-inv add-log-exp
associate-+r- flip3-- flip3-+ flip-- flip-+
Counts
2 → 80
Calls
2 calls:
72.0ms
(/ (- (/ 0.3333333333333333 N) 0.5) N)
209.0ms
(/ (+ 1.0 (/ (- (/ 0.3333333333333333 N) 0.5) N)) N)

series159.0ms

Counts
2 → 6
Calls
2 calls:
79.0ms
(/ (- (/ 0.3333333333333333 N) 0.5) N)
79.0ms
(/ (+ 1.0 (/ (- (/ 0.3333333333333333 N) 0.5) N)) N)

simplify1.8s

Counts
86 → 86
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01511337
13491292
28911191
324091182
done50011170

prune198.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0.0b

regimes20.0ms

Accuracy

0% (0.0b remaining)

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

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
066
174
done74

end0.0ms

sample2.0s

Algorithm
intervals
Results
648.0ms1749×body1280valid
302.0ms1316×body640valid
280.0ms8104×body80nan
246.0ms4045×body80valid
88.0ms594×body320valid
31.0ms296×body160valid