Details

Time bar (total: 1.0s)

sample30.0ms

Algorithm
intervals
Results
9.0ms58×body640valid
5.0ms120×body80valid
4.0ms33×body320valid
3.0ms18×body1280valid
2.0ms27×body160valid

simplify130.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01015
11815
23115
34115
45015
55515
66415
78215
89915
910915
done10915

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 10.2b

localize21.0ms

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))
3.9b
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

rewrite761.0ms

Algorithm
rewrite-expression-head
Rules
725×*-un-lft-identity
703×times-frac
524×add-sqr-sqrt
492×add-cube-cbrt
468×prod-diff
236×associate-+l+
95×distribute-lft-out
65×div-inv
58×associate-/r/
29×flip3-+ flip-+
18×fma-neg
17×distribute-lft-out--
12×difference-of-squares
11×add-log-exp
10×fma-def
associate-/r*
add-exp-log add-cbrt-cube
associate-/l*
pow1 expm1-log1p-u log1p-expm1-u
flip3-- frac-add flip--
cbrt-undiv sub-neg frac-2neg diff-log div-exp clear-num sum-log frac-sub
+-commutative associate-+l-
Counts
4 → 618
Calls
4 calls:
21.0ms
(/ 1.0 (- x 1.0))
22.0ms
(/ 1.0 (+ x 1.0))
128.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
521.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

series66.0ms