Details

Time bar (total: 4.2s)

sample23.0ms

Algorithm
intervals
Results
6.0ms57×body640valid
4.0ms134×body80valid
2.0ms31×body320valid
2.0ms17×body1280valid
1.0ms17×body160valid

simplify18.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0187
1317
2437
3577
4737
5927
61267
71587
82077
92097
102097
done2097

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 8.4b

localize12.0ms

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

rewrite343.0ms

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:
10.0ms
(/ 1.0 (- x 1.0))
12.0ms
(/ 1.0 (+ x 1.0))
56.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
261.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

series298.0ms

Counts
4 → 12
Calls
4 calls:
27.0ms
(/ 1.0 (- x 1.0))
24.0ms
(/ 1.0 (+ x 1.0))
43.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
204.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

simplify49.0ms

Counts
126 → 126
Iterations

Useful iterations: 2 (39.0ms)

IterNodesCost
0496865
11681827
25002816
done5002816

prune245.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize8.0ms

Local error

Found 4 expressions with local error:

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

rewrite201.0ms

Algorithm
rewrite-expression-head
Rules
83×*-un-lft-identity
48×add-sqr-sqrt times-frac
23×add-cube-cbrt
21×distribute-lft-out--
11×add-log-exp
10×difference-of-squares
associate-/r*
add-exp-log add-cbrt-cube
distribute-lft-out associate-/l*
frac-sub
pow1 flip3-- diff-log associate-/r/ flip--
sub-neg
cbrt-undiv frac-2neg div-exp clear-num div-inv associate--r+
flip3-+ flip-+ associate--r-
Counts
4 → 117
Calls
4 calls:
10.0ms
(/ 1.0 (- x 1.0))
36.0ms
(- (/ 2.0 x) (/ 1.0 (- x 1.0)))
10.0ms
(/ 1.0 (+ x 1.0))
140.0ms
(- (/ 1.0 (+ x 1.0)) (- (/ 2.0 x) (/ 1.0 (- x 1.0))))

series304.0ms

Counts
4 → 12
Calls
4 calls:
28.0ms
(/ 1.0 (- x 1.0))
42.0ms
(- (/ 2.0 x) (/ 1.0 (- x 1.0)))
24.0ms
(/ 1.0 (+ x 1.0))
209.0ms
(- (/ 1.0 (+ x 1.0)) (- (/ 2.0 x) (/ 1.0 (- x 1.0))))

simplify48.0ms

Counts
129 → 129
Iterations

Useful iterations: 2 (38.0ms)

IterNodesCost
0514909
11792871
25002862
done5002862

prune226.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.1b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* 1.0 x) (* (+ x 1.0) 2.0))
0.0b
(/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
0.1b
(* (* (+ x 1.0) x) (- x 1.0))
19.5b
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

rewrite175.0ms

Algorithm
rewrite-expression-head
Rules
88×associate-*l/
32×frac-add
31×flip3-- flip--
24×frac-times flip3-+ flip-+
18×add-exp-log add-cbrt-cube associate-/l/
12×associate-*r/
pow1 add-sqr-sqrt *-un-lft-identity
associate-/r/ add-log-exp
add-cube-cbrt
prod-exp cbrt-unprod
sub-neg associate-*r*
distribute-rgt-in associate-+l+ distribute-lft-in
cbrt-undiv times-frac div-exp pow-prod-down associate-/l*
+-commutative frac-2neg diff-log associate-*l* clear-num associate-/r* sum-log *-commutative div-inv distribute-lft-out-- difference-of-squares
Counts
4 → 124
Calls
4 calls:
8.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
90.0ms
(/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
43.0ms
(* (* (+ x 1.0) x) (- x 1.0))
27.0ms
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

series223.0ms

Counts
4 → 12
Calls
4 calls:
39.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
87.0ms
(/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
95.0ms
(* (* (+ x 1.0) x) (- x 1.0))
2.0ms
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

simplify49.0ms

Counts
136 → 136
Iterations

Useful iterations: 1 (27.0ms)

IterNodesCost
09972264
150012129
done50012129

prune424.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0.1b

localize13.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (/ 1 (pow x 7)) (+ (/ 1 (pow x 5)) (/ 1 (pow x 3))))
0.2b
(/ 1 (pow x 5))
0.2b
(/ 1 (pow x 7))
0.2b
(/ 1 (pow x 3))

rewrite243.0ms

Algorithm
rewrite-expression-head
Rules
88×*-un-lft-identity
87×times-frac
64×add-sqr-sqrt add-cube-cbrt
36×unpow-prod-down
31×add-exp-log
26×associate-/r*
24×distribute-lft-out
18×div-exp
16×div-inv
12×cube-prod sqr-pow
10×add-cbrt-cube
pow-to-exp rec-exp 1-exp pow-exp associate-/l* add-log-exp
pow1 cube-mult unpow3 frac-add
cbrt-undiv pow-flip frac-2neg clear-num sum-log inv-pow
flip3-+ flip-+
+-commutative associate-+r+
Counts
4 → 208
Calls
4 calls:
208.0ms
(+ (/ 1 (pow x 7)) (+ (/ 1 (pow x 5)) (/ 1 (pow x 3))))
11.0ms
(/ 1 (pow x 5))
8.0ms
(/ 1 (pow x 7))
9.0ms
(/ 1 (pow x 3))

series184.0ms

Counts
4 → 12
Calls
4 calls:
51.0ms
(+ (/ 1 (pow x 7)) (+ (/ 1 (pow x 5)) (/ 1 (pow x 3))))
42.0ms
(/ 1 (pow x 5))
59.0ms
(/ 1 (pow x 7))
32.0ms
(/ 1 (pow x 3))

simplify72.0ms

Counts
220 → 220
Iterations

Useful iterations: 1 (16.0ms)

IterNodesCost
05861177
13298983
25001983
done5001983

prune308.0ms

Pruning

3 alts after pruning (1 fresh and 2 done)

Merged error: 0b

regimes24.0ms

Accuracy

99.7% (0.0b remaining)

Error of 0.0b against oracle of 0.0b and baseline of 9.4b

bsearch95.0ms

Steps
ItersRangePoint
9
7.055123656280252
892369.0132880388
109.89750468235896
10
-1.8070707071506563e+17
-0.15939393977811658
-111.02026224228146

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03816
13816
done3816

end0.0ms

sample613.0ms

Algorithm
intervals
Results
188.0ms1861×body640valid
113.0ms4112×body80valid
84.0ms598×body1280valid
76.0ms938×body320valid
27.0ms491×body160valid