Details

Time bar (total: 7.5s)

sample26.0ms

Algorithm
intervals
Results
7.0ms247×body80valid
2.0ms16×body640valid
2.0ms20×body320valid
1.0msbody1280valid
1.0ms10×body160valid

simplify62.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0206
1456
21116
32886
47146
514936
633936
750026
done50026

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.5b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
3.7b
(+ x (/ (* (- y x) (- z t)) (- a t)))
18.0b
(/ (* (- y x) (- z t)) (- a t))

rewrite86.0ms

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:
34.0ms
(* (- y x) (- z t))
19.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
30.0ms
(/ (* (- y x) (- z t)) (- a t))

series319.0ms

Counts
3 → 9
Calls
3 calls:
39.0ms
(* (- y x) (- z t))
162.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
117.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify53.0ms

Counts
90 → 90
Iterations

Useful iterations: 1 (12.0ms)

IterNodesCost
0468583
12162534
25003534
done5003534

prune224.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 6.0b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
2.6b
(/ (- y x) (/ (- a t) (- z t)))
3.7b
(+ x (/ (- y x) (/ (- a t) (- z t))))

rewrite153.0ms

Algorithm
rewrite-expression-head
Rules
330×times-frac
323×*-un-lft-identity
321×add-sqr-sqrt
113×add-cube-cbrt
104×distribute-lft-out-- difference-of-squares
36×associate-/r*
15×associate-/r/
10×add-exp-log add-cbrt-cube associate-/l*
flip3-- flip--
div-inv
add-log-exp
cbrt-undiv div-exp associate-/l/
pow1 div-sub
frac-2neg clear-num
+-commutative associate-+r- flip3-+ sum-log flip-+ distribute-lft-out
Counts
3 → 274
Calls
3 calls:
22.0ms
(/ (- a t) (- z t))
33.0ms
(/ (- y x) (/ (- a t) (- z t)))
80.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

series421.0ms

Counts
3 → 9
Calls
3 calls:
48.0ms
(/ (- a t) (- z t))
201.0ms
(/ (- y x) (/ (- a t) (- z t)))
171.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

simplify102.0ms

Counts
283 → 283
Iterations

Useful iterations: 1 (22.0ms)

IterNodesCost
010303053
142632984
250032984
done50032984

prune600.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 5.9b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.6b
(* (- y x) (/ (- z t) (- a t)))
3.7b
(+ x (* (- y x) (/ (- z t) (- a t))))

rewrite88.0ms

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:
20.0ms
(/ (- z t) (- a t))
56.0ms
(* (- y x) (/ (- z t) (- a t)))
7.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

series387.0ms

Counts
3 → 9
Calls
3 calls:
50.0ms
(/ (- z t) (- a t))
166.0ms
(* (- y x) (/ (- z t) (- a t)))
171.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

simplify50.0ms

Counts
128 → 128
Iterations

Useful iterations: 1 (11.0ms)

IterNodesCost
0476869
12018820
25001820
done5001820

prune286.0ms

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 5.9b

localize14.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- y x))
1.4b
(/ (/ (- a t) (- z t)) (cbrt (- y x)))
1.7b
(/ (* (cbrt (- y x)) (cbrt (- y x))) (/ (/ (- a t) (- z t)) (cbrt (- y x))))
9.8b
(+ x (/ (* (cbrt (- y x)) (cbrt (- y x))) (/ (/ (- a t) (- z t)) (cbrt (- y x)))))

rewrite363.0ms

Algorithm
rewrite-expression-head
Rules
1623×times-frac
1162×*-un-lft-identity
1160×add-sqr-sqrt
475×cbrt-prod
470×add-cube-cbrt
345×distribute-lft-out-- difference-of-squares
262×associate-/r*
57×associate-/r/
35×flip3-- flip--
32×associate-/l*
30×add-exp-log
29×div-inv
20×cbrt-div
18×add-cbrt-cube
15×cbrt-undiv div-exp
associate-/l/
add-log-exp
pow1 frac-times
prod-exp cbrt-unprod
frac-2neg div-sub associate-*r/ associate-*l/ clear-num
+-commutative flip3-+ pow1/3 sum-log flip-+ distribute-lft-out
Counts
4 → 872
Calls
4 calls:
4.0ms
(cbrt (- y x))
42.0ms
(/ (/ (- a t) (- z t)) (cbrt (- y x)))
78.0ms
(/ (* (cbrt (- y x)) (cbrt (- y x))) (/ (/ (- a t) (- z t)) (cbrt (- y x))))
152.0ms
(+ x (/ (* (cbrt (- y x)) (cbrt (- y x))) (/ (/ (- a t) (- z t)) (cbrt (- y x)))))

series700.0ms

Counts
4 → 12
Calls
4 calls:
150.0ms
(cbrt (- y x))
182.0ms
(/ (/ (- a t) (- z t)) (cbrt (- y x)))
203.0ms
(/ (* (cbrt (- y x)) (cbrt (- y x))) (/ (/ (- a t) (- z t)) (cbrt (- y x))))
165.0ms
(+ x (/ (* (cbrt (- y x)) (cbrt (- y x))) (/ (/ (- a t) (- z t)) (cbrt (- y x)))))

simplify156.0ms

Counts
884 → 884
Iterations

Useful iterations: 1 (43.0ms)

IterNodesCost
0240714747
1500214663
done500214663

prune2.2s

Pruning

16 alts after pruning (14 fresh and 2 done)

Merged error: 5.9b

regimes306.0ms

Accuracy

19.7% (6.1b remaining)

Error of 10.3b against oracle of 4.2b and baseline of 11.7b

bsearch97.0ms

Steps
ItersRangePoint
8
8.256613625412251e-158
1.2678104251076142e-153
4.6509343006896515e-155
11
-1.1419718716961855e-156
-2.279289893123448e-180
-1.3446760090410248e-176

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
03218
13218
done3218

end0.0ms

sample742.0ms

Algorithm
intervals
Results
238.0ms7858×body80valid
53.0ms483×body640valid
40.0ms288×body1280valid
32.0ms400×body320valid
14.0ms265×body160valid
3.0ms16×body2560valid