Details

Time bar (total: 17.8s)

sample172.0ms

Algorithm
intervals
Results
81.0ms112×body1280valid
57.0ms86×body640valid
11.0ms37×body320valid
7.0ms256×pre80true
5.0ms21×body160valid

simplify6.2s

Counts
1 → 1
Iterations
IterNodes
102647
91842
81121
7613
6398
5290
4144
383
251
122
09

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 44.3b

localize32.0ms

Local error

Found 3 expressions with local error:

0.0b
(+ (log1p n) (fma n (- (log1p n) (log n)) -1))
1.6b
(fma n (- (log1p n) (log n)) -1)
5.8b
(- (log1p n) (log n))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
15×add-sqr-sqrt
13×add-cube-cbrt
12×prod-diff
pow1 add-log-exp
log-pow
expm1-log1p-u log-prod fma-def add-cbrt-cube fma-neg add-exp-log insert-posit16 log1p-expm1-u associate--r+
log1p-udef sum-log diff-log fma-udef distribute-lft-out--
+-commutative associate-+r+ sub-neg flip3-+ flip3-- flip-+ flip-- distribute-lft-out difference-of-squares
Counts
3 → 68
Calls
3 calls:
9.0ms
(+ (log1p n) (fma n (- (log1p n) (log n)) -1))
0.0ms
(fma n (- (log1p n) (log n)) -1)
12.0ms
(- (log1p n) (log n))

series337.0ms

Counts
3 → 9
Calls
3 calls:
114.0ms
(+ (log1p n) (fma n (- (log1p n) (log n)) -1))
132.0ms
(fma n (- (log1p n) (log n)) -1)
91.0ms
(- (log1p n) (log n))

simplify1.4s

Counts
77 → 77
Iterations
IterNodes
32829
2848
1327
0139

prune680.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0b

localize30.0ms

Local error

Found 1 expressions with local error:

1.0b
(/ -1/6 (* n n))

rewrite7.0ms

Algorithm
rewrite-expression-head
Rules
add-cbrt-cube add-exp-log
add-sqr-sqrt *-un-lft-identity times-frac add-cube-cbrt associate-/l*
cbrt-undiv div-exp
expm1-log1p-u pow1 clear-num associate-/r* frac-2neg prod-exp cbrt-unprod insert-posit16 log1p-expm1-u div-inv add-log-exp
Counts
1 → 24
Calls
1 calls:
7.0ms
(/ -1/6 (* n n))

series41.0ms

Counts
1 → 3
Calls
1 calls:
41.0ms
(/ -1/6 (* n n))

simplify2.7s

Counts
27 → 27
Iterations
IterNodes
43669
3871
2266
1105
046

prune231.0ms

Pruning

1 alts after pruning (0 fresh and 1 done)

Merged error: 0b

simplify3.0ms

Iterations
IterNodes
211
111
09

end0.0ms

sample6.0s

Algorithm
intervals
Results
3.4s3666×body1280valid
1.5s2613×body640valid
589.0ms1299×body320valid
227.0ms8000×pre80true
128.0ms422×body160valid