Details

Time bar (total: 21.2s)

sample49.0ms

Algorithm
intervals
Results
23.0ms222×body80valid
2.0ms13×body1280valid
2.0ms15×body640valid
2.0ms16×body320valid
1.0msbody160valid

simplify9.8s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01113
12213
25213
310713
418613
538013
652913
766813
882013
996913
10122213
11153113
12227913
13356413
done500013

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 18.2b

localize23.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- z t) y)
2.2b
(- (+ x y) (/ (* (- z t) y) (- a t)))
12.0b
(/ (* (- z t) y) (- a t))

rewrite164.0ms

Algorithm
rewrite-expression-head
Rules
18×*-un-lft-identity
17×add-sqr-sqrt
10×add-exp-log add-cbrt-cube
add-log-exp
add-cube-cbrt
pow1 times-frac associate-*l* associate-/r* distribute-lft-out--
flip3-- associate-*l/ flip-- difference-of-squares
associate-*r*
cbrt-undiv diff-log div-exp prod-exp associate-/r/ frac-sub cbrt-unprod associate-/l/
sub-neg frac-2neg flip3-+ pow-prod-down associate--l+ clear-num sum-log *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 70
Calls
3 calls:
29.0ms
(* (- z t) y)
71.0ms
(- (+ x y) (/ (* (- z t) y) (- a t)))
62.0ms
(/ (* (- z t) y) (- a t))

series309.0ms

Counts
3 → 9
Calls
3 calls:
37.0ms
(* (- z t) y)
179.0ms
(- (+ x y) (/ (* (- z t) y) (- a t)))
93.0ms
(/ (* (- z t) y) (- a t))

simplify1.2s

Counts
79 → 79
Iterations

Useful iterations: 2 (268.0ms)

IterNodesCost
01501010
1382951
21543873
done5000873

prune218.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.4b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ y (- a t))
3.5b
(- (+ x y) (* (- z t) (/ y (- a t))))
9.1b
(* (- z t) (/ y (- a t)))

rewrite128.0ms

Algorithm
rewrite-expression-head
Rules
44×add-sqr-sqrt
39×*-un-lft-identity
31×times-frac
23×add-cube-cbrt
21×associate-*r*
10×add-exp-log frac-sub add-cbrt-cube
flip3-- flip--
distribute-lft-out-- add-log-exp difference-of-squares
frac-times associate-*l/
pow1 flip3-+ associate-*l* associate-/r* flip-+
associate-/r/
associate-*r/ associate-/l*
cbrt-undiv diff-log div-exp prod-exp cbrt-unprod div-inv unswap-sqr
sub-neg frac-2neg pow-prod-down associate--l+ clear-num sum-log *-commutative
Counts
3 → 107
Calls
3 calls:
14.0ms
(/ y (- a t))
47.0ms
(- (+ x y) (* (- z t) (/ y (- a t))))
62.0ms
(* (- z t) (/ y (- a t)))

series304.0ms

Counts
3 → 9
Calls
3 calls:
46.0ms
(/ y (- a t))
168.0ms
(- (+ x y) (* (- z t) (/ y (- a t))))
90.0ms
(* (- z t) (/ y (- a t)))

simplify1.4s

Counts
116 → 116
Iterations

Useful iterations: 2 (308.0ms)

IterNodesCost
02091798
15561681
223221603
done50011603

prune437.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 4.0b

localize16.0ms

Local error

Found 4 expressions with local error:

0.0b
(+ x (- y (* (- z t) (/ y (- a t)))))
0.0b
(/ y (- a t))
5.1b
(- y (* (- z t) (/ y (- a t))))
9.1b
(* (- z t) (/ y (- a t)))

rewrite105.0ms

Algorithm
rewrite-expression-head
Rules
45×add-sqr-sqrt
42×*-un-lft-identity
31×times-frac
24×add-cube-cbrt
21×associate-*r*
11×add-exp-log add-cbrt-cube add-log-exp
distribute-lft-out-- difference-of-squares
pow1
flip3-- associate-*l* associate-/r* flip--
associate-/r/
associate-/l*
cbrt-undiv frac-times sub-neg associate-+r+ diff-log div-exp associate-*l/ prod-exp sum-log cbrt-unprod div-inv unswap-sqr
+-commutative associate-+r- frac-2neg flip3-+ associate-*r/ pow-prod-down clear-num *-commutative flip-+ distribute-lft-out
Counts
4 → 111
Calls
4 calls:
14.0ms
(+ x (- y (* (- z t) (/ y (- a t)))))
12.0ms
(/ y (- a t))
9.0ms
(- y (* (- z t) (/ y (- a t))))
65.0ms
(* (- z t) (/ y (- a t)))

series422.0ms

Counts
4 → 12
Calls
4 calls:
148.0ms
(+ x (- y (* (- z t) (/ y (- a t)))))
49.0ms
(/ y (- a t))
126.0ms
(- y (* (- z t) (/ y (- a t))))
98.0ms
(* (- z t) (/ y (- a t)))

simplify1.2s

Counts
123 → 123
Iterations

Useful iterations: 2 (232.0ms)

IterNodesCost
01741533
14041417
214381339
done50001339

prune454.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 4.0b

localize25.0ms

Local error

Found 4 expressions with local error:

5.1b
(- y (* (- z t) (/ y (- a t))))
9.1b
(* (- z t) (/ y (- a t)))
9.1b
(* (- z t) (/ y (- a t)))
9.1b
(* (- z t) (/ y (- a t)))

rewrite216.0ms

Algorithm
rewrite-expression-head
Rules
73×add-sqr-sqrt
63×associate-*r*
58×*-un-lft-identity
48×times-frac
34×add-cube-cbrt
19×add-exp-log add-cbrt-cube
15×associate-*l*
12×distribute-lft-out-- difference-of-squares
10×pow1 flip3-- flip--
frac-times associate-*l/ prod-exp associate-/r/ cbrt-unprod add-log-exp unswap-sqr
cbrt-undiv associate-*r/ div-exp pow-prod-down *-commutative div-inv
sub-neg diff-log
Counts
4 → 150
Calls
4 calls:
7.0ms
(- y (* (- z t) (/ y (- a t))))
61.0ms
(* (- z t) (/ y (- a t)))
58.0ms
(* (- z t) (/ y (- a t)))
83.0ms
(* (- z t) (/ y (- a t)))

series350.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(- y (* (- z t) (/ y (- a t))))
78.0ms
(* (- z t) (/ y (- a t)))
76.0ms
(* (- z t) (/ y (- a t)))
91.0ms
(* (- z t) (/ y (- a t)))

simplify1.3s

Counts
162 → 162
Iterations

Useful iterations: 2 (140.0ms)

IterNodesCost
01302039
13101881
212141757
done50001757

prune672.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 3.9b

regimes463.0ms

Accuracy

6.2% (5.1b remaining)

Error of 8.6b against oracle of 3.5b and baseline of 8.9b

bsearch97.0ms

Steps
ItersRangePoint
4
1.4012679253035262e-175
2.500927358240053e-175
2.2603768572851875e-175
8
-6.0670977411856306e-27
-2.0094099798464328e-30
-1.1090092112746085e-28

simplify4.0ms

Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
02041
12729
done2729

end0.0ms

sample1.9s

Algorithm
intervals
Results
931.0ms7303×body80valid
99.0ms460×body640valid
97.0ms371×body320valid
68.0ms252×body1280valid
32.0ms282×body160valid
7.0ms21×body2560valid