Details

Time bar (total: 28.4s)

sample155.0ms

Algorithm
intervals
Results
94.0ms134×body1280valid
28.0ms67×body640valid
11.0ms42×body320valid
5.0ms256×pre80true
2.0ms13×body160valid

simplify15.9s

Counts
1 → 1
Iterations

Useful iterations: 2 (7.0ms)

IterNodesCost
0915
11915
24914
313114
422614
530514
643214
760114
890114
9100714
10104414
11108314
12114914
13125114
14147914
15155914
16189114
17198214
18241914
19496914
done500014

prune21.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 62.0b

localize24.0ms

Local error

Found 3 expressions with local error:

0.3b
(* (+ n 1.0) (log (+ n 1.0)))
0.3b
(fma (log n) n 1.0)
4.6b
(- (* (+ n 1.0) (log (+ n 1.0))) (fma (log n) n 1.0))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
20×*-un-lft-identity
16×log-prod
12×add-sqr-sqrt
10×add-cube-cbrt
distribute-rgt-in distribute-lft-in associate--l+
pow1
add-exp-log add-cbrt-cube distribute-lft-out add-log-exp
associate-*r* associate-*l*
expm1-log1p-u prod-diff log1p-expm1-u
associate-*l/ fma-udef
sub-neg flip3-- flip3-+ fma-neg diff-log pow-prod-down prod-exp log-pow *-commutative flip-- cbrt-unprod flip-+ associate--r+ unswap-sqr
Counts
3 → 69
Calls
3 calls:
37.0ms
(* (+ n 1.0) (log (+ n 1.0)))
0.0ms
(fma (log n) n 1.0)
23.0ms
(- (* (+ n 1.0) (log (+ n 1.0))) (fma (log n) n 1.0))

series841.0ms

Counts
3 → 9
Calls
3 calls:
117.0ms
(* (+ n 1.0) (log (+ n 1.0)))
444.0ms
(fma (log n) n 1.0)
279.0ms
(- (* (+ n 1.0) (log (+ n 1.0))) (fma (log n) n 1.0))

simplify1.7s

Counts
78 → 78
Iterations

Useful iterations: done (1.7s)

IterNodesCost
01581265
14101129
213661037
done50011017

prune273.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0b

localize21.0ms

Local error

Found 1 expressions with local error:

0.5b
(/ 0.16666666666666669 (* n n))

rewrite9.0ms

Algorithm
rewrite-expression-head
Rules
add-exp-log add-cbrt-cube
add-sqr-sqrt add-cube-cbrt *-un-lft-identity times-frac associate-/l*
cbrt-undiv div-exp
pow1 expm1-log1p-u frac-2neg prod-exp clear-num associate-/r* cbrt-unprod log1p-expm1-u div-inv add-log-exp
Counts
1 → 23
Calls
1 calls:
8.0ms
(/ 0.16666666666666669 (* n n))

series46.0ms

Counts
1 → 3
Calls
1 calls:
46.0ms
(/ 0.16666666666666669 (* n n))

simplify4.2s

Counts
26 → 26
Iterations

Useful iterations: 2 (56.0ms)

IterNodesCost
045197
193194
2234164
3538164
4924164
52410164
done5000164

prune74.0ms

Pruning

1 alts after pruning (0 fresh and 1 done)

Merged error: 0b

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01114
done1114

end0.0ms

sample5.1s

Algorithm
intervals
Results
3.0s3669×body1280valid
1.3s2599×body640valid
354.0ms1300×body320valid
128.0ms8000×pre80true
65.0ms432×body160valid