Details

Time bar (total: 19.8s)

sample26.0ms

Algorithm
intervals
Results
9.0ms257×body80valid
2.0ms15×body640valid
2.0ms10×body1280valid
1.0ms11×body320valid
0.0msbody160valid

simplify6.5s

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: 23.3b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
1.4b
(+ x (/ (* (- y x) (- z t)) (- a t)))
17.2b
(/ (* (- y x) (- z t)) (- a t))

rewrite44.0ms

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)))
13.0ms
(/ (* (- y x) (- z t)) (- a t))

series298.0ms

Counts
3 → 9
Calls
3 calls:
37.0ms
(* (- y x) (- z t))
150.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
110.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify694.0ms

Counts
90 → 90
Iterations

Useful iterations: 2 (156.0ms)

IterNodesCost
01621284
14691213
218851111
done50001111

prune240.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 3.2b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
1.4b
(+ x (/ (- y x) (/ (- a t) (- z t))))
2.4b
(/ (- y x) (/ (- a t) (- z t)))

rewrite116.0ms

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:
11.0ms
(/ (- a t) (- z t))
65.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
23.0ms
(/ (- y x) (/ (- a t) (- z t)))

series392.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(/ (- a t) (- z t))
150.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
198.0ms
(/ (- y x) (/ (- a t) (- z t)))

simplify1.0s

Counts
283 → 283
Iterations

Useful iterations: 2 (391.0ms)

IterNodesCost
03545984
110285625
235855487
done50005487

prune616.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.2b

localize14.0ms

Local error

Found 4 expressions with local error:

1.4b
(+ x (/ (- y x) (/ (- a t) (- z t))))
2.4b
(/ (- y x) (/ (- a t) (- z t)))
2.4b
(/ (- y x) (/ (- a t) (- z t)))
2.4b
(/ (- y x) (/ (- a t) (- z t)))

rewrite185.0ms

Algorithm
rewrite-expression-head
Rules
915×times-frac
852×*-un-lft-identity
850×add-sqr-sqrt
298×add-cube-cbrt
276×distribute-lft-out-- difference-of-squares
93×associate-/r*
39×associate-/r/
21×flip3-- flip-- div-inv
19×add-exp-log add-cbrt-cube
15×associate-/l*
cbrt-undiv div-exp
associate-/l/ add-log-exp
pow1 div-sub
frac-2neg clear-num
+-commutative associate-+r- flip3-+ sum-log flip-+ distribute-lft-out
Counts
4 → 640
Calls
4 calls:
67.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
21.0ms
(/ (- y x) (/ (- a t) (- z t)))
20.0ms
(/ (- y x) (/ (- a t) (- z t)))
24.0ms
(/ (- y x) (/ (- a t) (- z t)))

series771.0ms

Counts
4 → 12
Calls
4 calls:
153.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
205.0ms
(/ (- y x) (/ (- a t) (- z t)))
200.0ms
(/ (- y x) (/ (- a t) (- z t)))
213.0ms
(/ (- y x) (/ (- a t) (- z t)))

simplify991.0ms

Counts
652 → 652
Iterations

Useful iterations: 2 (365.0ms)

IterNodesCost
033415220
196914250
2341313972
done500113972

prune1.9s

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.2b

localize23.0ms

Local error

Found 4 expressions with local error:

2.4b
(/ (- y x) (/ (- a t) (- z t)))
2.4b
(/ (- y x) (/ (- a t) (- z t)))
2.4b
(/ (- y x) (/ (- a t) (- z t)))
2.4b
(/ (- y x) (/ (- a t) (- z t)))

rewrite163.0ms

Algorithm
rewrite-expression-head
Rules
1220×times-frac
1132×add-sqr-sqrt *-un-lft-identity
396×add-cube-cbrt
368×distribute-lft-out-- difference-of-squares
124×associate-/r*
52×associate-/r/
28×flip3-- flip-- div-inv
24×add-exp-log add-cbrt-cube
20×associate-/l*
12×cbrt-undiv div-exp
associate-/l/
pow1 frac-2neg div-sub clear-num add-log-exp
Counts
4 → 836
Calls
4 calls:
20.0ms
(/ (- y x) (/ (- a t) (- z t)))
26.0ms
(/ (- y x) (/ (- a t) (- z t)))
21.0ms
(/ (- y x) (/ (- a t) (- z t)))
21.0ms
(/ (- y x) (/ (- a t) (- z t)))

series1.0s

Counts
4 → 12
Calls
4 calls:
199.0ms
(/ (- y x) (/ (- a t) (- z t)))
205.0ms
(/ (- y x) (/ (- a t) (- z t)))
195.0ms
(/ (- y x) (/ (- a t) (- z t)))
418.0ms
(/ (- y x) (/ (- a t) (- z t)))

simplify979.0ms

Counts
848 → 848
Iterations

Useful iterations: 2 (339.0ms)

IterNodesCost
031319888
190318700
2323818276
done500018276

prune2.7s

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 3.2b

regimes270.0ms

Accuracy

-2.3% (7.6b remaining)

Error of 11.6b against oracle of 4.0b and baseline of 11.4b

bsearch89.0ms

Steps
ItersRangePoint
6
3.7632251814877455e-125
1.6714441882618097e-124
3.803402293530504e-125
10
-1.6489987475949222e-61
-2.525196617024818e-75
-4.009879037502059e-70

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02647
13247
done3247

end0.0ms

sample698.0ms

Algorithm
intervals
Results
269.0ms7839×body80valid
56.0ms458×body640valid
43.0ms279×body1280valid
42.0ms425×body320valid
15.0ms249×body160valid
3.0ms14×body2560valid