Details

Time bar (total: 14.0s)

sample30.0ms

Algorithm
intervals
Results
8.0ms54×body640valid
6.0ms140×body80valid
4.0ms34×body320valid
2.0ms13×body1280valid
1.0ms15×body160valid

simplify152.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

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: 8.1b

localize27.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ 1.0 (- x 1.0))
0.0b
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
2.3b
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

rewrite529.0ms

Algorithm
rewrite-expression-head
Rules
65×*-un-lft-identity
35×times-frac
33×add-sqr-sqrt
14×distribute-lft-out--
13×add-cube-cbrt
10×add-log-exp
distribute-lft-out
difference-of-squares
add-exp-log associate-/r* add-cbrt-cube
pow1 flip3-- frac-add flip-- associate-/l*
sub-neg associate-+l+ diff-log sum-log associate-/r/ frac-sub
cbrt-undiv +-commutative associate-+l- frac-2neg flip3-+ div-exp clear-num flip-+ div-inv
Counts
3 → 81
Calls
3 calls:
11.0ms
(/ 1.0 (- x 1.0))
107.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
406.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

series398.0ms

Counts
3 → 9
Calls
3 calls:
35.0ms
(/ 1.0 (- x 1.0))
55.0ms
(- (/ 1.0 (+ x 1.0)) (/ 2.0 x))
307.0ms
(+ (- (/ 1.0 (+ x 1.0)) (/ 2.0 x)) (/ 1.0 (- x 1.0)))

simplify2.3s

Counts
90 → 90
Iterations

Useful iterations: 3 (1.1s)

IterNodesCost
01791458
14231375
211481305
334291285
done50021285

prune293.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.3b

localize39.0ms

Local error

Found 4 expressions with local error:

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)))
0.0b
(* (* (+ x 1.0) x) (- x 1.0))
0.2b
(- (* 1.0 x) (* (+ x 1.0) 2.0))
17.0b
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

rewrite317.0ms

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:
175.0ms
(/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
92.0ms
(* (* (+ x 1.0) x) (- x 1.0))
8.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
34.0ms
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

series352.0ms

Counts
4 → 12
Calls
4 calls:
157.0ms
(/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- x 1.0)))
128.0ms
(* (* (+ x 1.0) x) (- x 1.0))
64.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
2.0ms
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

simplify819.0ms

Counts
136 → 136
Iterations

Useful iterations: done (811.0ms)

IterNodesCost
02794788
19934541
done50004173

prune701.0ms

Pruning

4 alts after pruning (2 fresh and 2 done)

Merged error: 0.3b

localize29.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0)))) (+ x 1.0))
0.1b
(* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0)))
0.2b
(- (* 1.0 x) (* (+ x 1.0) 2.0))
17.0b
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

rewrite459.0ms

Algorithm
rewrite-expression-head
Rules
53×associate-*l/
23×add-exp-log add-cbrt-cube
19×flip3-- flip--
18×frac-times
17×flip3-+ flip-+
16×associate-*l* frac-add
11×pow1
10×add-sqr-sqrt *-un-lft-identity associate-*r/ prod-exp cbrt-unprod
add-cube-cbrt associate-*r* associate-/r/ add-log-exp
distribute-rgt-in sub-neg distribute-lft-in
associate-+l+ pow-prod-down
cbrt-undiv times-frac div-exp
*-commutative
+-commutative diff-log sum-log div-inv distribute-lft-out difference-of-squares unswap-sqr
Counts
4 → 118
Calls
4 calls:
328.0ms
(* (/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0)))) (+ x 1.0))
80.0ms
(* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0)))
8.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
37.0ms
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

series261.0ms

Counts
4 → 12
Calls
4 calls:
106.0ms
(* (/ (+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0)) (* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0)))) (+ x 1.0))
93.0ms
(* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0)))
60.0ms
(- (* 1.0 x) (* (+ x 1.0) 2.0))
2.0ms
(+ (* (- (* 1.0 x) (* (+ x 1.0) 2.0)) (- x 1.0)) (* (* (+ x 1.0) x) 1.0))

simplify886.0ms

Counts
130 → 130
Iterations

Useful iterations: done (870.0ms)

IterNodesCost
03075007
111554754
done50004226

prune697.0ms

Pruning

3 alts after pruning (2 fresh and 1 done)

Merged error: 0.3b

localize23.0ms

Local error

Found 4 expressions with local error:

0.0b
(* (+ x 1.0) x)
0.0b
(/ 2.0 (* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0))))
0.1b
(* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0)))
1.9b
(* (/ 2.0 (* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0)))) (+ x 1.0))

rewrite470.0ms

Algorithm
rewrite-expression-head
Rules
34×add-exp-log add-cbrt-cube
27×associate-*l/
20×associate-*l*
16×add-sqr-sqrt *-un-lft-identity associate-/r/
14×frac-times prod-exp cbrt-unprod
13×pow1
12×add-cube-cbrt flip3-+ flip-+
11×associate-*r*
flip3-- flip--
associate-*r/
cbrt-undiv times-frac div-exp
pow-prod-down
add-log-exp
distribute-rgt-in distribute-lft-in *-commutative associate-/l*
sub-neg div-inv distribute-lft-out unswap-sqr
frac-2neg clear-num associate-/r* difference-of-squares
Counts
4 → 127
Calls
4 calls:
39.0ms
(* (+ x 1.0) x)
83.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0))))
81.0ms
(* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0)))
256.0ms
(* (/ 2.0 (* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0)))) (+ x 1.0))

series362.0ms

Counts
4 → 12
Calls
4 calls:
91.0ms
(* (+ x 1.0) x)
79.0ms
(/ 2.0 (* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0))))
64.0ms
(* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0)))
127.0ms
(* (/ 2.0 (* (* (+ x 1.0) x) (- (* x x) (* 1.0 1.0)))) (+ x 1.0))

simplify2.5s

Counts
139 → 139
Iterations

Useful iterations: 2 (943.0ms)

IterNodesCost
02242843
17402689
236952221
done50012221

prune411.0ms

Pruning

5 alts after pruning (4 fresh and 1 done)

Merged error: 0.0b

regimes29.0ms

Accuracy

0% (0.5b remaining)

Error of 0.6b against oracle of 0.0b and baseline of 0.6b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01323
11723
done1723

end0.0ms

sample1.8s

Algorithm
intervals
Results
775.0ms4203×body80valid
493.0ms1862×body640valid
193.0ms927×body320valid
132.0ms554×body1280valid
43.0ms455×body160valid