Details

Time bar (total: 27.0s)

sample42.0ms

Algorithm
intervals
Results
10.0ms246×body80valid
10.0ms16×body640valid
2.0ms10×body1280valid
2.0ms12×body320valid
1.0ms10×body160valid

simplify14.5s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

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

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 25.7b

localize21.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
2.0b
(+ x (/ (* (- y x) (- z t)) (- a t)))
17.1b
(/ (* (- y x) (- z t)) (- a t))

rewrite167.0ms

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:
72.0ms
(* (- y x) (- z t))
31.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
58.0ms
(/ (* (- y x) (- z t)) (- a t))

series460.0ms

Counts
3 → 9
Calls
3 calls:
62.0ms
(* (- y x) (- z t))
240.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
158.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify1.4s

Counts
90 → 90
Iterations

Useful iterations: 2 (411.0ms)

IterNodesCost
01621284
14681213
219911111
done50001111

prune302.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.8b

localize12.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
1.8b
(* (- y x) (/ (- z t) (- a t)))
2.0b
(+ x (* (- y x) (/ (- z t) (- a t))))

rewrite151.0ms

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:
26.0ms
(/ (- z t) (- a t))
106.0ms
(* (- y x) (/ (- z t) (- a t)))
14.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

series452.0ms

Counts
3 → 9
Calls
3 calls:
62.0ms
(/ (- z t) (- a t))
171.0ms
(* (- y x) (/ (- z t) (- a t)))
219.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

simplify1.0s

Counts
128 → 128
Iterations

Useful iterations: 2 (284.0ms)

IterNodesCost
01831813
14721704
217481606
done50011606

prune427.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 3.8b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
2.0b
(+ x (/ (- y x) (/ (- a t) (- z t))))
2.2b
(/ (- y x) (/ (- a t) (- z t)))

rewrite277.0ms

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))
148.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
60.0ms
(/ (- y x) (/ (- a t) (- z t)))

series548.0ms

Counts
3 → 9
Calls
3 calls:
78.0ms
(/ (- a t) (- z t))
208.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
262.0ms
(/ (- y x) (/ (- a t) (- z t)))

simplify1.8s

Counts
283 → 283
Iterations

Useful iterations: 2 (787.0ms)

IterNodesCost
03545984
110105625
236545487
done50005487

prune767.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 3.5b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- z t))
0.2b
(* (- a t) (/ 1 (- z t)))
2.2b
(/ (- y x) (* (- a t) (/ 1 (- z t))))
2.5b
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

rewrite136.0ms

Algorithm
rewrite-expression-head
Rules
53×add-sqr-sqrt
49×*-un-lft-identity
37×times-frac
32×add-exp-log
26×add-cube-cbrt
21×associate-*r*
20×add-cbrt-cube
11×div-exp
10×associate-/r/ distribute-lft-out-- difference-of-squares
prod-exp associate-/l*
pow1 flip3-- flip--
cbrt-undiv associate-/r* add-log-exp
associate-*l*
frac-times associate-*l/ cbrt-unprod
rec-exp 1-exp div-inv unswap-sqr
frac-2neg div-sub associate-*r/ clear-num un-div-inv associate-/l/
+-commutative associate-+r- pow-flip flip3-+ pow-prod-down sum-log *-commutative flip-+ distribute-lft-out inv-pow
Counts
4 → 142
Calls
4 calls:
13.0ms
(/ 1 (- z t))
49.0ms
(* (- a t) (/ 1 (- z t)))
34.0ms
(/ (- y x) (* (- a t) (/ 1 (- z t))))
34.0ms
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

series635.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(/ 1 (- z t))
62.0ms
(* (- a t) (/ 1 (- z t)))
304.0ms
(/ (- y x) (* (- a t) (/ 1 (- z t))))
211.0ms
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

simplify1.4s

Counts
154 → 154
Iterations

Useful iterations: done (1.4s)

IterNodesCost
02142079
15401717
217291527
done50001525

prune303.0ms

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 3.5b

regimes361.0ms

Accuracy

23% (6.4b remaining)

Error of 10.3b against oracle of 3.9b and baseline of 12.2b

bsearch111.0ms

Steps
ItersRangePoint
8
3.7816928229732575e-146
2.222093665808463e-143
2.779795427212612e-144
7
-2.9574282972449754e-131
-1.4040083790808218e-132
-2.0163430865060148e-131

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02849
13649
done3649

end0.0ms

sample1.6s

Algorithm
intervals
Results
592.0ms7719×body80valid
186.0ms262×body1280valid
107.0ms495×body640valid
82.0ms423×body320valid
31.0ms288×body160valid
5.0ms18×body2560valid