Details

Time bar (total: 15.9s)

sample107.0ms

Algorithm
intervals
Results
52.0ms117×body1280valid
27.0ms86×body640valid
8.0ms37×body320valid
4.0ms256×pre80true
2.0ms16×body160valid

simplify7.0s

Counts
1 → 1
Iterations

Useful iterations: 2 (24.0ms)

IterNodesCost
0915
11915
24914
314114
445914
5168014
done500014

prune12.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 62.0b

localize23.0ms

Local error

Found 3 expressions with local error:

0.2b
(fma (log n) n 1.0)
0.2b
(* (+ n 1.0) (log (+ n 1.0)))
5.8b
(- (* (+ n 1.0) (log (+ n 1.0))) (fma (log n) n 1.0))

rewrite87.0ms

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:
1.0ms
(fma (log n) n 1.0)
53.0ms
(* (+ n 1.0) (log (+ n 1.0)))
29.0ms
(- (* (+ n 1.0) (log (+ n 1.0))) (fma (log n) n 1.0))

series805.0ms

Counts
3 → 9
Calls
3 calls:
413.0ms
(fma (log n) n 1.0)
121.0ms
(* (+ n 1.0) (log (+ n 1.0)))
271.0ms
(- (* (+ n 1.0) (log (+ n 1.0))) (fma (log n) n 1.0))

simplify2.7s

Counts
78 → 78
Iterations

Useful iterations: done (2.7s)

IterNodesCost
01581265
14261129
222361037
done50011032

prune240.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0b

localize12.0ms

Local error

Found 1 expressions with local error:

0.4b
(/ 0.16666666666666669 (* n n))

rewrite17.0ms

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:
16.0ms
(/ 0.16666666666666669 (* n n))

series34.0ms

Counts
1 → 3
Calls
1 calls:
34.0ms
(/ 0.16666666666666669 (* n n))

simplify530.0ms

Counts
26 → 26
Iterations

Useful iterations: done (529.0ms)

IterNodesCost
045197
1112194
2615168
done5000164

prune71.0ms

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

sample4.2s

Algorithm
intervals
Results
2.2s3658×body1280valid
1.3s2616×body640valid
295.0ms1314×body320valid
105.0ms8000×pre80true
102.0ms412×body160valid