Details

Time bar (total: 19.3s)

sample150.0ms

Algorithm
intervals
Results
70.0ms122×body1280valid
32.0ms79×body640valid
29.0ms46×body320valid
7.0ms256×pre80true
2.0msbody160valid

simplify319.0ms

Counts
1 → 1
Calls
1 calls:
Slowest
319.0ms
(- (- (* (+ n 1) (log (+ n 1))) (* n (log n))) 1)

prune14.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 44.1b

localize15.0ms

Local error

Found 3 expressions with local error:

3.4b
(- (log1p n) (log n))
0.5b
(fma n (- (log1p n) (log n)) -1)
0.0b
(+ (fma n (- (log1p n) (log n)) -1) (log1p n))

rewrite20.0ms

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-+l+ sub-neg flip3-+ flip3-- flip-+ flip-- distribute-lft-out difference-of-squares
Counts
3 → 68
Calls
3 calls:
Slowest
9.0ms
(- (log1p n) (log n))
9.0ms
(+ (fma n (- (log1p n) (log n)) -1) (log1p n))
0.0ms
(fma n (- (log1p n) (log n)) -1)

series354.0ms

Counts
3 → 9
Calls
3 calls:
Slowest
140.0ms
(fma n (- (log1p n) (log n)) -1)
117.0ms
(+ (fma n (- (log1p n) (log n)) -1) (log1p n))
97.0ms
(- (log1p n) (log n))

simplify10.1s

Counts
90 → 77
Calls
90 calls:
Slowest
621.0ms
(* (exp (fma n (- (log1p n) (log n)) -1)) (+ 1 n))
513.0ms
(- (+ (log -1) (* 1/2 (/ 1 n))) (+ (* 1/6 (/ 1 (pow n 2))) (log (/ -1 n))))
494.0ms
(- (+ n (* 1/2 (pow n 2))) (+ (* n (log n)) 1))
465.0ms
(* (* (- (log1p n) (log n)) (- (log1p n) (log n))) (- (log1p n) (log n)))
380.0ms
(exp (+ (fma n (- (log1p n) (log n)) -1) (log1p n)))

prune683.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 0b

localize18.0ms

Local error

Found 1 expressions with local error:

1.1b
(/ 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:
Slowest
6.0ms
(/ 1/6 (* n n))

series35.0ms

Counts
1 → 3
Calls
1 calls:
Slowest
35.0ms
(/ 1/6 (* n n))

simplify1.3s

Counts
31 → 27
Calls
31 calls:
Slowest
370.0ms
(/ (* (* 1/6 1/6) 1/6) (* (* (* n n) n) (* (* n n) n)))
310.0ms
(/ (* (* 1/6 1/6) 1/6) (* (* (* n n) (* n n)) (* n n)))
200.0ms
(* (* (/ 1/6 (* n n)) (/ 1/6 (* n n))) (/ 1/6 (* n n)))
51.0ms
(log (/ 1/6 (* n n)))
41.0ms
(- (log 1/6) (+ (log n) (log n)))

prune207.0ms

Pruning

1 alts after pruning (0 fresh and 1 done)

Merged error: 0b

end0.0ms

sample6.1s

Algorithm
intervals
Results
3.3s3676×body1280valid
1.5s2649×body640valid
630.0ms1293×body320valid
388.0ms8000×pre80true
126.0ms382×body160valid