Details

Time bar (total: 30.1s)

sample49.0ms

Algorithm
intervals
Results
16.0ms269×body80valid
3.0ms14×body640valid
2.0msbody1280valid
2.0ms11×body320valid
1.0msbody160valid

simplify15.7s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01113
12013
24513
311113
428813
563313
6118913
7204813
8287213
9339613
10362913
11389913
12418913
done500113

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 21.9b

localize35.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
2.1b
(+ x (/ (* (- y x) (- z t)) (- a t)))
14.8b
(/ (* (- y x) (- z t)) (- a t))

rewrite135.0ms

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:
50.0ms
(* (- y x) (- z t))
22.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
61.0ms
(/ (* (- y x) (- z t)) (- a t))

series525.0ms

Counts
3 → 9
Calls
3 calls:
55.0ms
(* (- y x) (- z t))
264.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
206.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify1.3s

Counts
90 → 90
Iterations

Useful iterations: 2 (344.0ms)

IterNodesCost
01621284
14681213
219911111
done50001111

prune322.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 3.4b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.9b
(* (- y x) (/ (- z t) (- a t)))
2.1b
(+ x (* (- y x) (/ (- z t) (- a t))))

rewrite130.0ms

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:
23.0ms
(/ (- z t) (- a t))
93.0ms
(* (- y x) (/ (- z t) (- a t)))
9.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

series517.0ms

Counts
3 → 9
Calls
3 calls:
78.0ms
(/ (- z t) (- a t))
186.0ms
(* (- y x) (/ (- z t) (- a t)))
252.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

simplify1.2s

Counts
128 → 128
Iterations

Useful iterations: 2 (331.0ms)

IterNodesCost
01831813
14721704
217481606
done50011606

prune433.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 3.4b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
2.0b
(/ (- y x) (/ (- a t) (- z t)))
2.1b
(+ x (/ (- y x) (/ (- a t) (- z t))))

rewrite266.0ms

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:
38.0ms
(/ (- a t) (- z t))
70.0ms
(/ (- y x) (/ (- a t) (- z t)))
134.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

series610.0ms

Counts
3 → 9
Calls
3 calls:
65.0ms
(/ (- a t) (- z t))
310.0ms
(/ (- y x) (/ (- a t) (- z t)))
235.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

simplify1.8s

Counts
283 → 283
Iterations

Useful iterations: 2 (717.0ms)

IterNodesCost
03545984
110105625
236495487
done50015487

prune1.1s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 3.4b

localize25.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (/ a (- z t)) (/ t (- z t)))
0.0b
(/ t (- z t))
2.0b
(/ (- y x) (- (/ a (- z t)) (/ t (- z t))))
2.1b
(+ x (/ (- y x) (- (/ a (- z t)) (/ t (- z t)))))

rewrite652.0ms

Algorithm
rewrite-expression-head
Rules
283×*-un-lft-identity
231×times-frac
211×add-sqr-sqrt
107×distribute-lft-out--
65×difference-of-squares
53×add-cube-cbrt
34×associate-/r/
23×associate-/r*
21×distribute-rgt-out--
18×flip3-- flip--
16×div-inv
add-exp-log add-cbrt-cube associate-/l* add-log-exp
pow1
cbrt-undiv frac-2neg div-sub div-exp clear-num frac-sub associate-/l/ sub-div
+-commutative associate-+r- sub-neg flip3-+ diff-log sum-log flip-+ distribute-lft-out
Counts
4 → 211
Calls
4 calls:
105.0ms
(- (/ a (- z t)) (/ t (- z t)))
22.0ms
(/ t (- z t))
185.0ms
(/ (- y x) (- (/ a (- z t)) (/ t (- z t))))
324.0ms
(+ x (/ (- y x) (- (/ a (- z t)) (/ t (- z t)))))

series696.0ms

Counts
4 → 12
Calls
4 calls:
110.0ms
(- (/ a (- z t)) (/ t (- z t)))
61.0ms
(/ t (- z t))
259.0ms
(/ (- y x) (- (/ a (- z t)) (/ t (- z t))))
266.0ms
(+ x (/ (- y x) (- (/ a (- z t)) (/ t (- z t)))))

simplify1.6s

Counts
223 → 223
Iterations

Useful iterations: done (1.6s)

IterNodesCost
03084768
17234486
220234392
done50014091

prune688.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 3.4b

regimes255.0ms

Accuracy

21.1% (6.0b remaining)

Error of 10.4b against oracle of 4.4b and baseline of 12.0b

bsearch47.0ms

Steps
ItersRangePoint
2
9.352176213475081e-141
1.0417804927957906e-140
9.75178698140614e-141
5
-2.1349897266323535e-158
-5.771560909560032e-159
-7.261774436029236e-159

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02455
13139
done3139

end0.0ms

sample2.1s

Algorithm
intervals
Results
1.1s7772×body80valid
167.0ms473×body640valid
115.0ms282×body1280valid
80.0ms425×body320valid
32.0ms294×body160valid
3.0ms11×body2560valid