Details

Time bar (total: 18.9s)

sample72.0ms

Algorithm
intervals
Results
17.0ms39×body1280valid
12.0ms151×body80valid
11.0ms245×body80nan
10.0ms38×body640valid
3.0ms18×body320valid
1.0ms10×body160valid

simplify9.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
067
197
2107
done107

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 24.8b

localize21.0ms

Local error

Found 2 expressions with local error:

3.4b
(- (log (+ N 1.0)) (log N))
3.9b
(log (+ N 1.0))

rewrite68.0ms

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:
53.0ms
(- (log (+ N 1.0)) (log N))
11.0ms
(log (+ N 1.0))

series187.0ms

Counts
2 → 6
Calls
2 calls:
139.0ms
(- (log (+ N 1.0)) (log N))
48.0ms
(log (+ N 1.0))

simplify3.6s

Counts
71 → 71
Iterations

Useful iterations: done (3.6s)

IterNodesCost
01271052
1277855
2668705
32055614
done5000592

prune185.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.0b

localize6.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ (+ N 1.0) N)
3.8b
(log (/ (+ N 1.0) N))

rewrite32.0ms

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:
19.0ms
(/ (+ N 1.0) N)
6.0ms
(log (/ (+ N 1.0) N))

series192.0ms

Counts
2 → 6
Calls
2 calls:
65.0ms
(/ (+ N 1.0) N)
127.0ms
(log (/ (+ N 1.0) N))

simplify4.2s

Counts
70 → 70
Iterations

Useful iterations: done (4.2s)

IterNodesCost
0112749
1242708
2620660
31531647
44287643
done5000612

prune194.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize12.0ms

Local error

Found 1 expressions with local error:

0.0b
(log1p (/ 1.0 N))

rewrite2.0ms

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))

series107.0ms

Counts
1 → 3
Calls
1 calls:
107.0ms
(log1p (/ 1.0 N))

simplify4.5s

Counts
14 → 14
Iterations

Useful iterations: done (4.5s)

IterNodesCost
039126
185120
2196102
3430102
4991100
5235298
done500092

prune36.0ms

Pruning

2 alts after pruning (1 fresh and 1 done)

Merged error: 0b

localize13.0ms

Local error

Found 2 expressions with local error:

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

rewrite353.0ms

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:
268.0ms
(/ (+ 1.0 (/ (- (/ 0.3333333333333333 N) 0.5) N)) N)
82.0ms
(/ (- (/ 0.3333333333333333 N) 0.5) N)

series143.0ms

Counts
2 → 6
Calls
2 calls:
63.0ms
(/ (+ 1.0 (/ (- (/ 0.3333333333333333 N) 0.5) N)) N)
80.0ms
(/ (- (/ 0.3333333333333333 N) 0.5) N)

simplify1.9s

Counts
86 → 86
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01511337
13491292
28931191
324091182
done50001170

prune297.0ms

Pruning

2 alts after pruning (0 fresh and 2 done)

Merged error: 0b

regimes14.0ms

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

sample2.8s

Algorithm
intervals
Results
814.0ms1718×body1280valid
525.0ms7863×body80nan
420.0ms1243×body640valid
387.0ms4086×body80valid
117.0ms610×body320valid
41.0ms343×body160valid