Details

Time bar (total: 1.1s)

sample23.0ms

Algorithm
intervals
Results
7.0ms60×body640valid
4.0ms136×body80valid
2.0ms18×body1280valid
2.0ms26×body320valid
1.0ms16×body160valid

simplify79.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01015
11815
23115
34115
45215
56515
67415
79215
811515
914115
done14115

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 9.1b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1.0 (- x 1.0))
0.0b
(/ 1.0 (+ x 1.0))
0.0b
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
2.7b
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

rewrite237.0ms

Algorithm
rewrite-expression-head
Rules
83×*-un-lft-identity
47×times-frac
43×add-sqr-sqrt
23×add-cube-cbrt
14×distribute-lft-out--
13×distribute-lft-out
11×add-log-exp
associate-/r*
add-exp-log add-cbrt-cube difference-of-squares
associate-/l*
pow1 associate-/r/
flip3-- frac-add flip--
cbrt-undiv sub-neg associate-+l+ frac-2neg flip3-+ diff-log div-exp clear-num sum-log frac-sub flip-+ div-inv
+-commutative associate-+l-
Counts
4 → 114
Calls
4 calls:
7.0ms
(/ 1.0 (- x 1.0))
5.0ms
(/ 1.0 (+ x 1.0))
37.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
184.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

series353.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(/ 1.0 (- x 1.0))
27.0ms
(/ 1.0 (+ x 1.0))
51.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
238.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

simplify402.0ms

Iterations

Useful iterations: 2 (132.0ms)

IterNodesCost
02131832
15081716
213781630