Details

Time bar (total: 15.2s)

sample24.0ms

Algorithm
intervals
Results
8.0ms252×body80valid
1.0ms13×body640valid
1.0ms15×body320valid
1.0msbody1280valid
0.0msbody160valid

simplify6.7s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01113
12013
24513
310913
424413
548313
693913
7155913
8251413
9342513
10379613
11426413
done500013

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 24.4b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
1.9b
(+ x (/ (* (- y x) (- z t)) (- a t)))
17.7b
(/ (* (- y x) (- z t)) (- a t))

rewrite45.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt *-un-lft-identity
13×flip3-- flip--
10×add-exp-log add-cbrt-cube
frac-times associate-/l/
add-cube-cbrt
pow1 times-frac associate-*r* associate-*l* associate-/r* add-log-exp
associate-*r/ associate-*l/ distribute-lft-out-- difference-of-squares
cbrt-undiv distribute-rgt-in sub-neg distribute-lft-in div-exp prod-exp associate-/r/ cbrt-unprod
+-commutative frac-2neg flip3-+ pow-prod-down clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 81
Calls
3 calls:
17.0ms
(* (- y x) (- z t))
11.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
14.0ms
(/ (* (- y x) (- z t)) (- a t))

series309.0ms

Counts
3 → 9
Calls
3 calls:
37.0ms
(* (- y x) (- z t))
159.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
112.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify686.0ms

Counts
90 → 90
Iterations

Useful iterations: 2 (154.0ms)

IterNodesCost
01621284
14691213
218851111
done50001111

prune255.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.6b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.5b
(* (- y x) (/ (- z t) (- a t)))
1.9b
(+ x (* (- y x) (/ (- z t) (- a t))))

rewrite53.0ms

Algorithm
rewrite-expression-head
Rules
78×add-sqr-sqrt
73×*-un-lft-identity
51×times-frac
31×associate-*r*
27×add-cube-cbrt
23×distribute-lft-out-- difference-of-squares
10×add-exp-log add-cbrt-cube
pow1 flip3-- associate-*l* associate-/r* flip-- associate-/l* add-log-exp
associate-/r/
cbrt-undiv frac-times div-exp associate-*l/ prod-exp cbrt-unprod div-inv associate-/l/ unswap-sqr
+-commutative frac-2neg flip3-+ div-sub associate-*r/ pow-prod-down clear-num sum-log *-commutative flip-+
Counts
3 → 119
Calls
3 calls:
11.0ms
(/ (- z t) (- a t))
33.0ms
(* (- y x) (/ (- z t) (- a t)))
3.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

series317.0ms

Counts
3 → 9
Calls
3 calls:
49.0ms
(/ (- z t) (- a t))
111.0ms
(* (- y x) (/ (- z t) (- a t)))
157.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

simplify765.0ms

Counts
128 → 128
Iterations

Useful iterations: 2 (155.0ms)

IterNodesCost
01831813
14771704
216991606
done50011606

prune304.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.6b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ z (- a t)) (/ t (- a t)))
0.0b
(/ t (- a t))
1.5b
(* (- y x) (- (/ z (- a t)) (/ t (- a t))))
1.9b
(+ x (* (- y x) (- (/ z (- a t)) (/ t (- a t)))))

rewrite242.0ms

Algorithm
rewrite-expression-head
Rules
82×*-un-lft-identity
64×add-sqr-sqrt
51×times-frac
29×distribute-lft-out--
20×add-cube-cbrt
18×associate-*r*
17×difference-of-squares
14×flip3-- flip--
10×associate-/r/
add-exp-log frac-times add-cbrt-cube add-log-exp
pow1 distribute-rgt-out--
sub-neg associate-*l* associate-/r* div-inv
distribute-rgt-in associate-+r+ distribute-lft-in associate-*r/ frac-sub sub-div
associate-/l*
associate-*l/
cbrt-undiv +-commutative frac-2neg flip3-+ diff-log div-exp pow-prod-down prod-exp clear-num sum-log *-commutative cbrt-unprod flip-+ unswap-sqr
Counts
4 → 134
Calls
4 calls:
53.0ms
(- (/ z (- a t)) (/ t (- a t)))
5.0ms
(/ t (- a t))
164.0ms
(* (- y x) (- (/ z (- a t)) (/ t (- a t))))
13.0ms
(+ x (* (- y x) (- (/ z (- a t)) (/ t (- a t)))))

series370.0ms

Counts
4 → 12
Calls
4 calls:
63.0ms
(- (/ z (- a t)) (/ t (- a t)))
45.0ms
(/ t (- a t))
109.0ms
(* (- y x) (- (/ z (- a t)) (/ t (- a t))))
153.0ms
(+ x (* (- y x) (- (/ z (- a t)) (/ t (- a t)))))

simplify751.0ms

Counts
146 → 146
Iterations

Useful iterations: 2 (219.0ms)

IterNodesCost
02222407
15472273
220652163
done50002163

prune395.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.4b

localize12.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ (* (/ z (- a t)) (- y x)) (* (- (/ t (- a t))) (- y x)))
1.9b
(+ x (+ (* (/ z (- a t)) (- y x)) (* (- (/ t (- a t))) (- y x))))
3.1b
(* (- (/ t (- a t))) (- y x))
6.6b
(* (/ z (- a t)) (- y x))

rewrite116.0ms

Algorithm
rewrite-expression-head
Rules
67×associate-*l*
63×add-sqr-sqrt
58×*-un-lft-identity
46×times-frac
34×add-cube-cbrt
27×flip3-- flip--
25×frac-add
24×frac-times associate-*r/
21×distribute-lft-neg-in distribute-rgt-neg-in
18×distribute-neg-frac
12×associate-*l/
11×add-exp-log add-cbrt-cube distribute-lft-out-- add-log-exp difference-of-squares
10×associate-*r*
pow1 distribute-rgt-in sub-neg distribute-lft-in
associate-/r/
distribute-lft-neg-out associate-+r+
associate-+l+ sum-log
prod-exp cbrt-unprod div-inv unswap-sqr
+-commutative associate-+r- flip3-+ unsub-neg pow-prod-down *-commutative flip-+
cbrt-undiv neg-mul-1 distribute-rgt-out div-exp distribute-lft-out
Counts
4 → 186
Calls
4 calls:
13.0ms
(+ (* (/ z (- a t)) (- y x)) (* (- (/ t (- a t))) (- y x)))
23.0ms
(+ x (+ (* (/ z (- a t)) (- y x)) (* (- (/ t (- a t))) (- y x))))
46.0ms
(* (- (/ t (- a t))) (- y x))
24.0ms
(* (/ z (- a t)) (- y x))

series844.0ms

Counts
4 → 12
Calls
4 calls:
305.0ms
(+ (* (/ z (- a t)) (- y x)) (* (- (/ t (- a t))) (- y x)))
154.0ms
(+ x (+ (* (/ z (- a t)) (- y x)) (* (- (/ t (- a t))) (- y x))))
238.0ms
(* (- (/ t (- a t))) (- y x))
147.0ms
(* (/ z (- a t)) (- y x))

simplify1.4s

Counts
198 → 198
Iterations

Useful iterations: 2 (492.0ms)

IterNodesCost
03534013
110693640
247133466
done50003466

prune563.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 3.4b

regimes310.0ms

Accuracy

38.6% (4.5b remaining)

Error of 8.7b against oracle of 4.2b and baseline of 11.5b

bsearch2.0ms

simplify6.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
03089
14668
24968
35068
done5068

end0.0ms

sample680.0ms

Algorithm
intervals
Results
249.0ms7778×body80valid
58.0ms475×body640valid
40.0ms277×body1280valid
37.0ms387×body320valid
20.0ms301×body160valid
2.0ms11×body2560valid