Details

Time bar (total: 28.1s)

sample55.0ms

Algorithm
intervals
Results
21.0ms241×body80valid
2.0ms13×body640valid
2.0ms14×body160valid
2.0ms12×body320valid
1.0msbody1280valid
1.0msbody2560valid

simplify15.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

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

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 24.6b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
4.0b
(+ x (/ (* (- y x) (- z t)) (- a t)))
18.0b
(/ (* (- y x) (- z t)) (- a t))

rewrite122.0ms

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:
54.0ms
(* (- y x) (- z t))
33.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
32.0ms
(/ (* (- y x) (- z t)) (- a t))

series472.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(* (- y x) (- z t))
267.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
160.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify1.3s

Counts
90 → 90
Iterations

Useful iterations: 2 (343.0ms)

IterNodesCost
01621284
14681213
219911111
done50001111

prune309.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 4.4b

localize18.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.6b
(* (- y x) (/ (- z t) (- a t)))
4.0b
(+ x (* (- y x) (/ (- z t) (- a t))))

rewrite145.0ms

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))
101.0ms
(* (- y x) (/ (- z t) (- a t)))
11.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

series457.0ms

Counts
3 → 9
Calls
3 calls:
63.0ms
(/ (- z t) (- a t))
148.0ms
(* (- y x) (/ (- z t) (- a t)))
246.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

simplify1.1s

Counts
128 → 128
Iterations

Useful iterations: 2 (337.0ms)

IterNodesCost
01831813
14721704
217481606
done50011606

prune414.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 4.4b

localize24.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- a t))
0.2b
(* (- z t) (/ 1 (- a t)))
2.6b
(* (- y x) (* (- z t) (/ 1 (- a t))))
5.0b
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

rewrite209.0ms

Algorithm
rewrite-expression-head
Rules
50×add-sqr-sqrt
44×*-un-lft-identity
32×add-exp-log times-frac
25×add-cube-cbrt
22×associate-*r*
20×frac-times add-cbrt-cube
17×flip3-- flip--
13×prod-exp
12×pow1
10×associate-*r/ associate-*l* associate-*l/
distribute-lft-out-- difference-of-squares
cbrt-unprod
div-exp add-log-exp
associate-/r*
pow-prod-down associate-/r/ un-div-inv
cbrt-undiv rec-exp 1-exp associate-/l* unswap-sqr
*-commutative div-inv
+-commutative pow-flip frac-2neg flip3-+ clear-num sum-log flip-+ inv-pow
Counts
4 → 146
Calls
4 calls:
12.0ms
(/ 1 (- a t))
72.0ms
(* (- z t) (/ 1 (- a t)))
98.0ms
(* (- y x) (* (- z t) (/ 1 (- a t))))
18.0ms
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

series541.0ms

Counts
4 → 12
Calls
4 calls:
56.0ms
(/ 1 (- a t))
79.0ms
(* (- z t) (/ 1 (- a t)))
142.0ms
(* (- y x) (* (- z t) (/ 1 (- a t))))
265.0ms
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

simplify1.3s

Counts
158 → 158
Iterations

Useful iterations: 2 (443.0ms)

IterNodesCost
02212286
15641896
221141716
done50021716

prune531.0ms

Pruning

15 alts after pruning (13 fresh and 2 done)

Merged error: 4.4b

localize13.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
3.0b
(/ (- y x) (/ (- a t) (- z t)))
4.0b
(+ x (/ (- y x) (/ (- a t) (- z t))))

rewrite269.0ms

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:
41.0ms
(/ (- a t) (- z t))
61.0ms
(/ (- y x) (/ (- a t) (- z t)))
132.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

series590.0ms

Counts
3 → 9
Calls
3 calls:
69.0ms
(/ (- a t) (- z t))
245.0ms
(/ (- y x) (/ (- a t) (- z t)))
276.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

simplify1.5s

Counts
283 → 283
Iterations

Useful iterations: 2 (605.0ms)

IterNodesCost
03545984
110105625
236495487
done50015487

prune808.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 4.4b

regimes294.0ms

Accuracy

21.8% (6.4b remaining)

Error of 10.5b against oracle of 4.1b and baseline of 12.3b

bsearch104.0ms

Steps
ItersRangePoint
9
3.5480027431553405e-242
9.13147639291587e-234
4.817774934231588e-234
7
-5.925413525790681e-145
-6.231127244252839e-147
-3.85925241219433e-145

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02851
13451
done3451

end0.0ms

sample2.1s

Algorithm
intervals
Results
1.1s7591×body80valid
119.0ms289×body1280valid
113.0ms500×body640valid
71.0ms423×body320valid
33.0ms288×body160valid
8.0ms23×body2560valid