Details

Time bar (total: 16.4s)

sample26.0ms

Algorithm
intervals
Results
8.0ms240×body80valid
2.0ms17×body640valid
1.0ms16×body320valid
1.0msbody1280valid
1.0ms11×body160valid
0.0msbody2560valid

simplify8.0s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01113
12013
24513
310913
424413
548313
693913
7153213
8268713
9377813
10425813
11453913
done500113

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 25.9b

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)))
17.8b
(/ (* (- y x) (- z t)) (- a t))

rewrite49.0ms

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:
22.0ms
(* (- y x) (- z t))
10.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
14.0ms
(/ (* (- y x) (- z t)) (- a t))

series297.0ms

Counts
3 → 9
Calls
3 calls:
35.0ms
(* (- y x) (- z t))
151.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
111.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify884.0ms

Counts
90 → 90
Iterations

Useful iterations: 2 (193.0ms)

IterNodesCost
01621284
14691213
218851111
done50001111

prune445.0ms

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 4.5b

localize9.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
2.7b
(/ (- y x) (/ (- a t) (- z t)))
3.7b
(+ x (/ (- y x) (/ (- a t) (- z t))))

rewrite118.0ms

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))
21.0ms
(/ (- y x) (/ (- a t) (- z t)))
66.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

series396.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(/ (- a t) (- z t))
196.0ms
(/ (- y x) (/ (- a t) (- z t)))
154.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

simplify1.2s

Counts
283 → 283
Iterations

Useful iterations: 2 (589.0ms)

IterNodesCost
03545984
110285625
234905487
done50005487

prune633.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 4.5b

localize9.0ms

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))))

rewrite54.0ms

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:
13.0ms
(/ (- z t) (- a t))
33.0ms
(* (- y x) (/ (- z t) (- a t)))
3.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

series311.0ms

Counts
3 → 9
Calls
3 calls:
47.0ms
(/ (- z t) (- a t))
113.0ms
(* (- y x) (/ (- z t) (- a t)))
151.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

simplify945.0ms

Counts
128 → 128
Iterations

Useful iterations: 2 (268.0ms)

IterNodesCost
01831813
14771704
216931606
done50001606

prune318.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 4.5b

localize12.0ms

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))))
4.5b
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

rewrite78.0ms

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:
6.0ms
(/ 1 (- a t))
28.0ms
(* (- z t) (/ 1 (- a t)))
34.0ms
(* (- y x) (* (- z t) (/ 1 (- a t))))
3.0ms
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

series352.0ms

Counts
4 → 12
Calls
4 calls:
38.0ms
(/ 1 (- a t))
47.0ms
(* (- z t) (/ 1 (- a t)))
110.0ms
(* (- y x) (* (- z t) (/ 1 (- a t))))
156.0ms
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

simplify865.0ms

Counts
158 → 158
Iterations

Useful iterations: 2 (225.0ms)

IterNodesCost
02212286
15871896
220801716
done50001716

prune325.0ms

Pruning

14 alts after pruning (12 fresh and 2 done)

Merged error: 4.5b

regimes277.0ms

Accuracy

3.1% (7.5b remaining)

Error of 11.6b against oracle of 4.2b and baseline of 11.9b

bsearch98.0ms

Steps
ItersRangePoint
6
7.773174937725997e-117
8.222157116971155e-116
2.946990120458906e-116
11
-3.777324016597175e-247
-3.5673237559096386e-267
-3.543954312374929e-257

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02958
13558
done3558

end0.0ms

sample696.0ms

Algorithm
intervals
Results
260.0ms7734×body80valid
57.0ms483×body640valid
40.0ms271×body1280valid
39.0ms409×body320valid
18.0ms298×body160valid
3.0ms16×body2560valid