Details

Time bar (total: 17.1s)

sample37.0ms

Algorithm
intervals
Results
11.0ms252×body80valid
2.0ms14×body640valid
1.0msbody1280valid
1.0ms12×body320valid
1.0msbody160valid
0.0msbody2560valid

simplify1.9s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01113
12013
24513
311113
429213
586413
6337313
done500013

prune4.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 23.3b

localize18.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
2.5b
(+ x (/ (* (- y x) (- z t)) (- a t)))
17.0b
(/ (* (- y x) (- z t)) (- a t))

rewrite123.0ms

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:
39.0ms
(* (- y x) (- z t))
39.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
43.0ms
(/ (* (- y x) (- z t)) (- a t))

series414.0ms

Counts
3 → 9
Calls
3 calls:
44.0ms
(* (- y x) (- z t))
193.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
177.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify1.3s

Counts
90 → 90
Iterations

Useful iterations: 2 (355.0ms)

IterNodesCost
01621284
14801213
226621111
done50001111

prune321.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 3.0b

localize20.0ms

Local error

Found 3 expressions with local error:

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

rewrite141.0ms

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:
24.0ms
(/ (- z t) (- a t))
99.0ms
(* (- y x) (/ (- z t) (- a t)))
13.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

series376.0ms

Counts
3 → 9
Calls
3 calls:
65.0ms
(/ (- z t) (- a t))
128.0ms
(* (- y x) (/ (- z t) (- a t)))
183.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

simplify1.8s

Counts
128 → 128
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01831813
15041716
226281612
done50001606

prune403.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 3.0b

localize15.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
2.5b
(+ x (/ (- y x) (/ (- a t) (- z t))))
3.0b
(/ (- y x) (/ (- a t) (- z t)))

rewrite190.0ms

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:
23.0ms
(/ (- a t) (- z t))
95.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
44.0ms
(/ (- y x) (/ (- a t) (- z t)))

series581.0ms

Counts
3 → 9
Calls
3 calls:
52.0ms
(/ (- a t) (- z t))
232.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
297.0ms
(/ (- y x) (/ (- a t) (- z t)))

simplify574.0ms

Counts
283 → 283
Iterations

Useful iterations: done (562.0ms)

IterNodesCost
03545984
111545679
done50005493

prune821.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 3.0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- a t))
0.3b
(* (- z t) (/ 1 (- a t)))
2.5b
(* (- y x) (* (- z t) (/ 1 (- a t))))
3.0b
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

rewrite207.0ms

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:
19.0ms
(/ 1 (- a t))
58.0ms
(* (- z t) (/ 1 (- a t)))
105.0ms
(* (- y x) (* (- z t) (/ 1 (- a t))))
14.0ms
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

series469.0ms

Counts
4 → 12
Calls
4 calls:
43.0ms
(/ 1 (- a t))
70.0ms
(* (- z t) (/ 1 (- a t)))
157.0ms
(* (- y x) (* (- z t) (/ 1 (- a t))))
200.0ms
(+ x (* (- y x) (* (- z t) (/ 1 (- a t)))))

simplify5.2s

Counts
158 → 158
Iterations

Useful iterations: done (5.2s)

IterNodesCost
02212286
16192041
243861722
done50001716

prune335.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 3.0b

regimes257.0ms

Accuracy

16.7% (6.3b remaining)

Error of 10.5b against oracle of 4.1b and baseline of 11.7b

bsearch71.0ms

Steps
ItersRangePoint
4
7.593498491975754e-170
1.2730776164824128e-169
9.038357837464358e-170
8
-6.190132842715357e-163
-3.573453623321629e-166
-4.211820321936385e-164

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02347
13035
done3035

end0.0ms

sample1.4s

Algorithm
intervals
Results
598.0ms7716×body80valid
125.0ms498×body640valid
61.0ms426×body320valid
57.0ms245×body1280valid
29.0ms295×body160valid
5.0ms13×body2560valid