Details

Time bar (total: 17.2s)

sample127.0ms

Algorithm
intervals
Results
78.0ms132×body1280valid
23.0ms74×body640valid
8.0ms36×body320valid
4.0ms256×pre80true
2.0ms14×body160valid

simplify8.1s

Counts
1 → 1
Iterations

Useful iterations: 2 (15.0ms)

IterNodesCost
0915
11915
24914
314114
445914
5168014
done500014

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 62.0b

localize15.0ms

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)
5.4b
(- (* (+ n 1.0) (log (+ n 1.0))) (fma (log n) n 1.0))

rewrite104.0ms

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:
59.0ms
(* (+ n 1.0) (log (+ n 1.0)))
1.0ms
(fma (log n) n 1.0)
40.0ms
(- (* (+ n 1.0) (log (+ n 1.0))) (fma (log n) n 1.0))

series687.0ms

Counts
3 → 9
Calls
3 calls:
90.0ms
(* (+ n 1.0) (log (+ n 1.0)))
337.0ms
(fma (log n) n 1.0)
260.0ms
(- (* (+ n 1.0) (log (+ n 1.0))) (fma (log n) n 1.0))

simplify2.9s

Counts
78 → 78
Iterations

Useful iterations: done (2.9s)

IterNodesCost
01581265
14271129
222421037
done50001032

prune371.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0b

localize31.0ms

Local error

Found 1 expressions with local error:

1.2b
(/ 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))

series46.0ms

Counts
1 → 3
Calls
1 calls:
45.0ms
(/ 0.16666666666666669 (* n n))

simplify606.0ms

Counts
26 → 26
Iterations

Useful iterations: done (605.0ms)

IterNodesCost
045197
1112194
2615168
done5000164

prune96.0ms

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

sample4.1s

Algorithm
intervals
Results
2.1s3634×body1280valid
906.0ms2671×body640valid
472.0ms8000×pre80true
311.0ms1307×body320valid
54.0ms388×body160valid