Details

Time bar (total: 8.9s)

sample23.0ms

Algorithm
intervals
Results
6.0ms56×body1280valid
5.0ms127×body80valid
3.0ms42×body640valid
1.0ms20×body320valid
1.0ms11×body160valid

simplify117.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0713
11213
21613
31913
42113
52713
63913
75813
87613
99713
1012713
1113713
1214113
1314313
done14313

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.4b

localize6.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ x (+ x 1.0))
0.0b
(/ (+ x 1.0) (- x 1.0))
3.6b
(- (/ x (+ x 1.0)) (/ (+ x 1.0) (- x 1.0)))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
99×*-un-lft-identity
52×times-frac
45×add-sqr-sqrt
23×add-cube-cbrt
18×distribute-lft-out distribute-lft-out--
associate-/r* difference-of-squares
add-exp-log add-cbrt-cube associate-/l*
add-log-exp
associate-/r/
pow1
cbrt-undiv flip3-- frac-2neg flip3-+ div-exp clear-num flip-- flip-+ div-inv associate-/l/
sub-neg diff-log frac-sub
Counts
3 → 104
Calls
3 calls:
6.0ms
(/ x (+ x 1.0))
11.0ms
(/ (+ x 1.0) (- x 1.0))
58.0ms
(- (/ x (+ x 1.0)) (/ (+ x 1.0) (- x 1.0)))

series211.0ms

Counts
3 → 9
Calls
3 calls:
39.0ms
(/ x (+ x 1.0))
38.0ms
(/ (+ x 1.0) (- x 1.0))
134.0ms
(- (/ x (+ x 1.0)) (/ (+ x 1.0) (- x 1.0)))

simplify1.8s

Counts
113 → 113
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01761584
13901503
210121427
327291416
done50011414

prune420.0ms

Pruning

4 alts after pruning (4 fresh and 0 done)

Merged error: 0.0b

localize9.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- x 1.0))
0.0b
(/ x (+ x 1.0))
0.1b
(* (+ x 1.0) (/ 1 (- x 1.0)))
7.0b
(- (/ x (+ x 1.0)) (* (+ x 1.0) (/ 1 (- x 1.0))))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
58×*-un-lft-identity
54×add-sqr-sqrt
44×times-frac
33×add-cube-cbrt
21×associate-*r*
19×add-exp-log
13×add-cbrt-cube
associate-/r*
pow1 distribute-lft-out-- difference-of-squares
associate-/r/ frac-sub associate-/l* add-log-exp
flip3-+ div-exp flip-+ distribute-lft-out
frac-times associate-*l* associate-*l/ prod-exp
cbrt-undiv flip3-- flip-- div-inv unswap-sqr
rec-exp frac-2neg 1-exp associate-*r/ clear-num un-div-inv cbrt-unprod
sub-neg pow-flip diff-log pow-prod-down *-commutative inv-pow
Counts
4 → 141
Calls
4 calls:
5.0ms
(/ 1 (- x 1.0))
5.0ms
(/ x (+ x 1.0))
24.0ms
(* (+ x 1.0) (/ 1 (- x 1.0)))
33.0ms
(- (/ x (+ x 1.0)) (* (+ x 1.0) (/ 1 (- x 1.0))))

series234.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(/ 1 (- x 1.0))
39.0ms
(/ x (+ x 1.0))
37.0ms
(* (+ x 1.0) (/ 1 (- x 1.0)))
132.0ms
(- (/ x (+ x 1.0)) (* (+ x 1.0) (/ 1 (- x 1.0))))

simplify1.3s

Counts
153 → 153
Iterations

Useful iterations: done (1.2s)

IterNodesCost
02352040
15741766
218331586
done50011580

prune228.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (/ 3.0 (pow x 3)) (/ 3.0 x))
0.2b
(/ 3.0 (pow x 3))
0.5b
(/ 1.0 (* x x))
5.4b
(- (- (/ 1.0 (* x x))) (+ (/ 3.0 (pow x 3)) (/ 3.0 x)))

rewrite189.0ms

Algorithm
rewrite-expression-head
Rules
59×*-un-lft-identity
53×times-frac
37×add-sqr-sqrt
35×add-cube-cbrt
16×add-log-exp
14×add-exp-log
13×associate-/r*
12×unpow-prod-down cube-prod
11×add-cbrt-cube
unpow3
distribute-lft-out
associate-/l*
div-exp
pow1 cube-mult distribute-rgt-out diff-log div-inv distribute-lft-out-- sqr-pow
cbrt-undiv sum-log frac-sub distribute-neg-frac
distribute-rgt-neg-in frac-2neg flip3-+ neg-log frac-add clear-num flip-+
+-commutative associate--l- neg-sub0 pow-to-exp sub-neg flip3-- distribute-lft1-in pow-exp prod-exp flip-- cbrt-unprod associate--r+ difference-of-squares
Counts
4 → 133
Calls
4 calls:
41.0ms
(+ (/ 3.0 (pow x 3)) (/ 3.0 x))
6.0ms
(/ 3.0 (pow x 3))
3.0ms
(/ 1.0 (* x x))
133.0ms
(- (- (/ 1.0 (* x x))) (+ (/ 3.0 (pow x 3)) (/ 3.0 x)))

series186.0ms

Counts
4 → 12
Calls
4 calls:
90.0ms
(+ (/ 3.0 (pow x 3)) (/ 3.0 x))
35.0ms
(/ 3.0 (pow x 3))
25.0ms
(/ 1.0 (* x x))
36.0ms
(- (- (/ 1.0 (* x x))) (+ (/ 3.0 (pow x 3)) (/ 3.0 x)))

simplify1.0s

Counts
145 → 145
Iterations

Useful iterations: 2 (393.0ms)

IterNodesCost
02141988
15351734
220521630
done50011630

prune254.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (+ x 1.0) (/ (+ (pow x 3) (pow 1.0 3)) (- x 1.0)))
5.3b
(/ (+ (pow x 3) (pow 1.0 3)) (- x 1.0))
6.4b
(+ (pow x 3) (* (* 1.0 (- 1.0 x)) x))
25.4b
(- (+ (pow x 3) (* (* 1.0 (- 1.0 x)) x)) (* (+ x 1.0) (/ (+ (pow x 3) (pow 1.0 3)) (- x 1.0))))

rewrite310.0ms

Algorithm
rewrite-expression-head
Rules
186×*-un-lft-identity
91×times-frac
79×add-sqr-sqrt
56×distribute-lft-out
51×associate-*r*
44×unpow-prod-down cube-prod
36×add-cube-cbrt
19×distribute-lft-out-- difference-of-squares
13×flip3-+ flip-+
11×add-exp-log sum-cubes add-cbrt-cube add-log-exp
10×frac-sub
associate-/l*
pow1 frac-times associate-*l/
associate-/r*
associate-*l* associate-/r/
flip3-- associate-*r/ flip--
cbrt-undiv diff-log div-exp prod-exp sum-log cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative sub-neg distribute-rgt-out frac-2neg unpow3 pow-prod-down associate--l+ clear-num *-commutative
Counts
4 → 186
Calls
4 calls:
79.0ms
(* (+ x 1.0) (/ (+ (pow x 3) (pow 1.0 3)) (- x 1.0)))
44.0ms
(/ (+ (pow x 3) (pow 1.0 3)) (- x 1.0))
19.0ms
(+ (pow x 3) (* (* 1.0 (- 1.0 x)) x))
156.0ms
(- (+ (pow x 3) (* (* 1.0 (- 1.0 x)) x)) (* (+ x 1.0) (/ (+ (pow x 3) (pow 1.0 3)) (- x 1.0))))

series313.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(* (+ x 1.0) (/ (+ (pow x 3) (pow 1.0 3)) (- x 1.0)))
50.0ms
(/ (+ (pow x 3) (pow 1.0 3)) (- x 1.0))
31.0ms
(+ (pow x 3) (* (* 1.0 (- 1.0 x)) x))
173.0ms
(- (+ (pow x 3) (* (* 1.0 (- 1.0 x)) x)) (* (+ x 1.0) (/ (+ (pow x 3) (pow 1.0 3)) (- x 1.0))))

simplify1.0s

Counts
198 → 198
Iterations

Useful iterations: 2 (288.0ms)

IterNodesCost
02554670
17164174
232383998
done50003998

prune490.0ms

Pruning

5 alts after pruning (2 fresh and 3 done)

Merged error: 0.0b

regimes35.0ms

Accuracy

99.9% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 29.8b

bsearch87.0ms

Steps
ItersRangePoint
7
1766.3470775505596
94269.73169533648
10580.433189833957
10
-3752817.331716861
-5.670122129476186e-07
-13568.460963923884

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
03281
14666
done4666

end0.0ms

sample523.0ms

Algorithm
intervals
Results
182.0ms1697×body1280valid
106.0ms1273×body640valid
90.0ms4049×body80valid
39.0ms636×body320valid
14.0ms345×body160valid