Details

Time bar (total: 28.9s)

sample61.0ms

Algorithm
intervals
Results
17.0ms246×body80valid
9.0ms14×body640valid
3.0ms15×body320valid
2.0msbody1280valid
1.0msbody160valid

simplify16.4s

Counts
1 → 1
Iterations

Useful iterations: 0 (0.0ms)

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

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 23.7b

localize16.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
2.8b
(+ x (/ (* (- y x) (- z t)) (- a t)))
15.8b
(/ (* (- y x) (- z t)) (- a t))

rewrite157.0ms

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:
62.0ms
(* (- y x) (- z t))
40.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
53.0ms
(/ (* (- y x) (- z t)) (- a t))

series526.0ms

Counts
3 → 9
Calls
3 calls:
59.0ms
(* (- y x) (- z t))
297.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
171.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify1.4s

Counts
90 → 90
Iterations

Useful iterations: 2 (405.0ms)

IterNodesCost
01621284
14681213
219911111
done50001111

prune347.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.0b

localize18.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
2.4b
(/ (- y x) (/ (- a t) (- z t)))
2.8b
(+ x (/ (- y x) (/ (- a t) (- z t))))

rewrite193.0ms

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:
34.0ms
(/ (- a t) (- z t))
41.0ms
(/ (- y x) (/ (- a t) (- z t)))
100.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

series577.0ms

Counts
3 → 9
Calls
3 calls:
68.0ms
(/ (- a t) (- z t))
273.0ms
(/ (- y x) (/ (- a t) (- z t)))
235.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

simplify1.5s

Counts
283 → 283
Iterations

Useful iterations: 2 (643.0ms)

IterNodesCost
03545984
110105625
236495487
done50015487

prune747.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 4.0b

localize14.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ 1 (- z t))
0.2b
(* (- a t) (/ 1 (- z t)))
2.4b
(/ (- y x) (* (- a t) (/ 1 (- z t))))
4.5b
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

rewrite162.0ms

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:
22.0ms
(/ 1 (- z t))
64.0ms
(* (- a t) (/ 1 (- z t)))
32.0ms
(/ (- y x) (* (- a t) (/ 1 (- z t))))
33.0ms
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

series670.0ms

Counts
4 → 12
Calls
4 calls:
55.0ms
(/ 1 (- z t))
77.0ms
(* (- a t) (/ 1 (- z t)))
296.0ms
(/ (- y x) (* (- a t) (/ 1 (- z t))))
242.0ms
(+ x (/ (- y x) (* (- a t) (/ 1 (- z t)))))

simplify1.0s

Counts
154 → 154
Iterations

Useful iterations: done (1.0s)

IterNodesCost
02142079
15401717
217291527
done50001525

prune425.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 4.0b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.5b
(* (- y x) (/ (- z t) (- a t)))
2.8b
(+ x (* (- y x) (/ (- z t) (- a t))))

rewrite134.0ms

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:
25.0ms
(/ (- z t) (- a t))
90.0ms
(* (- y x) (/ (- z t) (- a t)))
13.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

series482.0ms

Counts
3 → 9
Calls
3 calls:
75.0ms
(/ (- z t) (- a t))
158.0ms
(* (- y x) (/ (- z t) (- a t)))
249.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))

simplify1.2s

Counts
128 → 128
Iterations

Useful iterations: 2 (362.0ms)

IterNodesCost
01831813
14721704
217481606
done50011606

prune385.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 4.0b

regimes290.0ms

Accuracy

15.3% (6.5b remaining)

Error of 10.6b against oracle of 4.1b and baseline of 11.8b

bsearch132.0ms

Steps
ItersRangePoint
7
1.270532878618462e-164
1.8595605403829251e-162
1.686242959618627e-164
10
-9.075518483702745e-141
-5.89973422929116e-153
-6.186660797876992e-149

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02849
13749
done3749

end0.0ms

sample2.1s

Algorithm
intervals
Results
753.0ms7820×body80valid
428.0ms249×body1280valid
118.0ms482×body640valid
74.0ms432×body320valid
34.0ms262×body160valid
7.0ms20×body2560valid