Details

Time bar (total: 15.8s)

sample63.0ms

Algorithm
intervals
Results
18.0ms56×body1280valid
9.0ms35×body640valid
9.0ms251×body80nan
8.0ms134×body80valid
4.0ms24×body320valid
1.0msbody160valid

simplify8.0ms

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: 28.4b

localize14.0ms

Local error

Found 2 expressions with local error:

3.4b
(- (log (+ N 1.0)) (log N))
3.5b
(log (+ N 1.0))

rewrite27.0ms

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:
17.0ms
(- (log (+ N 1.0)) (log N))
8.0ms
(log (+ N 1.0))

series230.0ms

Counts
2 → 6
Calls
2 calls:
159.0ms
(- (log (+ N 1.0)) (log N))
71.0ms
(log (+ N 1.0))

simplify3.7s

Counts
71 → 71
Iterations

Useful iterations: done (3.6s)

IterNodesCost
01271052
1277855
2668705
32055614
done5000592

prune198.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 2 expressions with local error:

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

rewrite53.0ms

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:
36.0ms
(/ (+ N 1.0) N)
12.0ms
(log (/ (+ N 1.0) N))

series175.0ms

Counts
2 → 6
Calls
2 calls:
64.0ms
(/ (+ N 1.0) N)
111.0ms
(log (/ (+ N 1.0) N))

simplify4.2s

Counts
70 → 70
Iterations

Useful iterations: done (4.2s)

IterNodesCost
0112749
1242708
2620660
31531647
44287643
done5000612

prune231.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0.0b

localize6.0ms

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))

series87.0ms

Counts
1 → 3
Calls
1 calls:
87.0ms
(log1p (/ 1.0 N))

simplify3.9s

Counts
14 → 14
Iterations

Useful iterations: done (3.9s)

IterNodesCost
039126
185120
2196102
3430102
4991100
5235298
done500092

prune57.0ms

Pruning

1 alts after pruning (0 fresh and 1 done)

Merged error: 0.0b

simplify1.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
066
174
done74

end0.0ms

sample2.8s

Algorithm
intervals
Results
764.0ms4092×body80valid
755.0ms1770×body1280valid
399.0ms1309×body640valid
390.0ms8028×body80nan
90.0ms563×body320valid
26.0ms266×body160valid