Details

Time bar (total: 7.4s)

sample20.0ms

Algorithm
intervals
Results
6.0ms60×body1280valid
3.0ms124×body80valid
2.0ms31×body640valid
2.0ms34×body320valid
0.0msbody160valid

simplify110.0ms

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: 31.1b

localize6.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ x (+ x 1.0))
0.0b
(/ (+ x 1.0) (- x 1.0))
3.4b
(- (/ x (+ x 1.0)) (/ (+ x 1.0) (- x 1.0)))

rewrite77.0ms

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:
5.0ms
(/ x (+ x 1.0))
11.0ms
(/ (+ x 1.0) (- x 1.0))
57.0ms
(- (/ x (+ x 1.0)) (/ (+ x 1.0) (- x 1.0)))

series210.0ms

Counts
3 → 9
Calls
3 calls:
34.0ms
(/ x (+ x 1.0))
43.0ms
(/ (+ x 1.0) (- x 1.0))
133.0ms
(- (/ x (+ x 1.0)) (/ (+ x 1.0) (- x 1.0)))

simplify1.7s

Counts
113 → 113
Iterations

Useful iterations: 3 (1.0s)

IterNodesCost
01761584
13901503
210121427
327271414
done50001414

prune207.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.1b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (/ 3.0 (pow x 3)) (/ 3.0 x))
0.1b
(/ 3.0 (pow x 3))
0.2b
(/ 1.0 (* x x))
6.8b
(- (- (/ 1.0 (* x x))) (+ (/ 3.0 (pow x 3)) (/ 3.0 x)))

rewrite178.0ms

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:
40.0ms
(+ (/ 3.0 (pow x 3)) (/ 3.0 x))
5.0ms
(/ 3.0 (pow x 3))
3.0ms
(/ 1.0 (* x x))
125.0ms
(- (- (/ 1.0 (* x x))) (+ (/ 3.0 (pow x 3)) (/ 3.0 x)))

series176.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(+ (/ 3.0 (pow x 3)) (/ 3.0 x))
35.0ms
(/ 3.0 (pow x 3))
25.0ms
(/ 1.0 (* x x))
35.0ms
(- (- (/ 1.0 (* x x))) (+ (/ 3.0 (pow x 3)) (/ 3.0 x)))

simplify902.0ms

Counts
145 → 145
Iterations

Useful iterations: 2 (376.0ms)

IterNodesCost
02141988
15351734
220521630
done50001630

prune242.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (+ (/ 1 (* x x)) 1) (/ 3.0 x))
0.2b
(/ 1.0 (* x x))
0.2b
(/ 1 (* x x))
6.8b
(- (- (/ 1.0 (* x x))) (* (+ (/ 1 (* x x)) 1) (/ 3.0 x)))

rewrite72.0ms

Algorithm
rewrite-expression-head
Rules
25×add-exp-log
21×add-sqr-sqrt
19×*-un-lft-identity add-cbrt-cube
16×add-cube-cbrt times-frac
14×pow1
13×associate-*r*
add-log-exp
div-exp
pow-flip prod-exp associate-/l*
cbrt-undiv associate-*l* frac-sub distribute-neg-frac
frac-times flip3-+ associate-*l/ cbrt-unprod flip-+ div-inv
rec-exp frac-2neg diff-log 1-exp associate-*r/ pow-prod-down clear-num associate-/r* distribute-lft-out unswap-sqr
associate--l- pow2 neg-sub0 sub-neg flip3-- pow-plus neg-log pow-sqr *-commutative pow-prod-up flip-- inv-pow
Counts
4 → 110
Calls
4 calls:
37.0ms
(* (+ (/ 1 (* x x)) 1) (/ 3.0 x))
3.0ms
(/ 1.0 (* x x))
4.0ms
(/ 1 (* x x))
24.0ms
(- (- (/ 1.0 (* x x))) (* (+ (/ 1 (* x x)) 1) (/ 3.0 x)))

series151.0ms

Counts
4 → 12
Calls
4 calls:
74.0ms
(* (+ (/ 1 (* x x)) 1) (/ 3.0 x))
25.0ms
(/ 1.0 (* x x))
17.0ms
(/ 1 (* x x))
35.0ms
(- (- (/ 1.0 (* x x))) (* (+ (/ 1 (* x x)) 1) (/ 3.0 x)))

simplify849.0ms

Counts
122 → 122
Iterations

Useful iterations: done (845.0ms)

IterNodesCost
02101807
15631602
220721405
done50011337

prune219.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.1b

localize9.0ms

Local error

Found 4 expressions with local error:

0.3b
(cbrt (- x 1.0))
0.3b
(cbrt (- x 1.0))
0.3b
(* (cbrt (- x 1.0)) (cbrt (- x 1.0)))
20.8b
(- (/ x (+ x 1.0)) (/ (/ (+ x 1.0) (* (cbrt (- x 1.0)) (cbrt (- x 1.0)))) (cbrt (- x 1.0))))

rewrite165.0ms

Algorithm
rewrite-expression-head
Rules
67×add-sqr-sqrt
43×*-un-lft-identity
42×cbrt-prod
21×times-frac
16×cbrt-div difference-of-squares
14×add-cube-cbrt
11×pow1 distribute-lft-out--
10×swap-sqr
flip3-- flip--
pow1/3 associate-*r* associate-*l*
add-exp-log add-log-exp
frac-times add-cbrt-cube unswap-sqr
associate-*r/ pow-prod-down associate-*l/ pow-sqr pow-prod-up
pow2 sub-neg pow-plus diff-log prod-exp *-commutative frac-sub cbrt-unprod distribute-lft-out
Counts
4 → 112
Calls
4 calls:
2.0ms
(cbrt (- x 1.0))
2.0ms
(cbrt (- x 1.0))
19.0ms
(* (cbrt (- x 1.0)) (cbrt (- x 1.0)))
137.0ms
(- (/ x (+ x 1.0)) (/ (/ (+ x 1.0) (* (cbrt (- x 1.0)) (cbrt (- x 1.0)))) (cbrt (- x 1.0))))

series514.0ms

Counts
4 → 12
Calls
4 calls:
112.0ms
(cbrt (- x 1.0))
99.0ms
(cbrt (- x 1.0))
126.0ms
(* (cbrt (- x 1.0)) (cbrt (- x 1.0)))
176.0ms
(- (/ x (+ x 1.0)) (/ (/ (+ x 1.0) (* (cbrt (- x 1.0)) (cbrt (- x 1.0)))) (cbrt (- x 1.0))))

simplify645.0ms

Counts
124 → 124
Iterations

Useful iterations: done (641.0ms)

IterNodesCost
02382491
15422339
215251940
done50001917

prune264.0ms

Pruning

5 alts after pruning (3 fresh and 2 done)

Merged error: 0.1b

regimes36.0ms

Accuracy

100% (0.0b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 31.8b

bsearch80.0ms

Steps
ItersRangePoint
11
4368.076441928604
1.2360357871274782e+23
9971.293289135534
8
-133622.27441454158
-436.72743869654124
-12787.016553276117

simplify3.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02565
13748
done3748

end0.0ms

sample523.0ms

Algorithm
intervals
Results
169.0ms1668×body1280valid
103.0ms1254×body640valid
96.0ms4085×body80valid
42.0ms652×body320valid
17.0ms341×body160valid