Details

Time bar (total: 27.1s)

sample33.0ms

Algorithm
intervals
Results
10.0ms247×body80valid
4.0ms25×body640valid
2.0ms17×body320valid
1.0msbody1280valid
1.0ms10×body160valid

simplify1.8s

Counts
1 → 1
Iterations
IterNodes
done5001
61598
5656
4266
3103
243
120
011

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 26.2b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
3.3b
(+ x (/ (* (- y x) (- z t)) (- a t)))
18.3b
(/ (* (- y x) (- z t)) (- a t))

rewrite100.0ms

Algorithm
rewrite-expression-head
Rules
17×add-sqr-sqrt *-un-lft-identity
13×flip3-- flip--
10×add-cbrt-cube add-exp-log
frac-times associate-/l/
add-cube-cbrt
pow1 associate-/r* times-frac associate-*r* associate-*l* add-log-exp
associate-*l/ associate-*r/ distribute-lft-out-- difference-of-squares
distribute-rgt-in cbrt-undiv sub-neg distribute-lft-in div-exp prod-exp associate-/r/ cbrt-unprod
+-commutative clear-num sum-log frac-2neg flip3-+ pow-prod-down *-commutative flip-+ div-inv distribute-lft-out associate-/l* unswap-sqr
Counts
3 → 81
Calls
3 calls:
28.0ms
(* (- y x) (- z t))
23.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
46.0ms
(/ (* (- y x) (- z t)) (- a t))

series463.0ms

Counts
3 → 9
Calls
3 calls:
48.0ms
(* (- y x) (- z t))
252.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
163.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify1.7s

Counts
90 → 90
Iterations
IterNodes
done5000
21904
1480
0162

prune629.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 6.8b

localize22.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
2.3b
(/ (- y x) (/ (- a t) (- z t)))
3.3b
(+ x (/ (- y x) (/ (- a t) (- z t))))

rewrite203.0ms

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-cbrt-cube add-exp-log associate-/l*
flip3-- flip--
div-inv
add-log-exp
cbrt-undiv div-exp associate-/l/
pow1 div-sub
clear-num frac-2neg
+-commutative associate-+r- sum-log flip3-+ flip-+ distribute-lft-out
Counts
3 → 274
Calls
3 calls:
17.0ms
(/ (- a t) (- z t))
52.0ms
(/ (- y x) (/ (- a t) (- z t)))
103.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

series617.0ms

Counts
3 → 9
Calls
3 calls:
72.0ms
(/ (- a t) (- z t))
281.0ms
(/ (- y x) (/ (- a t) (- z t)))
263.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))

simplify2.5s

Counts
283 → 283
Iterations
IterNodes
done5000
23727
11146
0354

prune1.6s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 6.2b

localize49.0ms

Local error

Found 4 expressions with local error:

0.0b
(/ (- a t) (- z t))
0.3b
(/ 1 (/ (/ (- a t) (- z t)) (- y x)))
2.3b
(/ (/ (- a t) (- z t)) (- y x))
5.0b
(+ x (/ 1 (/ (/ (- a t) (- z t)) (- y x))))

rewrite574.0ms

Algorithm
rewrite-expression-head
Rules
1933×times-frac
1483×*-un-lft-identity
1480×add-sqr-sqrt
624×add-cube-cbrt
428×distribute-lft-out-- difference-of-squares
171×associate-/r*
65×associate-/r/
39×associate-/l*
34×div-inv
33×flip3-- flip--
32×add-exp-log
20×add-cbrt-cube
19×div-exp
10×cbrt-undiv
add-log-exp
pow1
rec-exp clear-num frac-2neg 1-exp div-sub associate-/l/
distribute-lft-out
+-commutative sum-log flip3-+ flip-+ pow-flip inv-pow
Counts
4 → 946
Calls
4 calls:
22.0ms
(/ (- a t) (- z t))
79.0ms
(/ 1 (/ (/ (- a t) (- z t)) (- y x)))
53.0ms
(/ (/ (- a t) (- z t)) (- y x))
255.0ms
(+ x (/ 1 (/ (/ (- a t) (- z t)) (- y x))))

series921.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(/ (- a t) (- z t))
380.0ms
(/ 1 (/ (/ (- a t) (- z t)) (- y x)))
242.0ms
(/ (/ (- a t) (- z t)) (- y x))
238.0ms
(+ x (/ 1 (/ (/ (- a t) (- z t)) (- y x))))

simplify3.3s

Counts
958 → 958
Iterations
IterNodes
done5002
12770
0928

prune3.7s

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 6.2b

localize63.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- y x))
0.6b
(cbrt (- y x))
0.6b
(cbrt (- y x))
9.7b
(+ x (/ (/ 1 (* (/ (cbrt (- a t)) (* (cbrt (- y x)) (cbrt (- z t)))) (/ (cbrt (- a t)) (* (cbrt (- y x)) (cbrt (- z t)))))) (/ (/ (cbrt (- a t)) (cbrt (- z t))) (cbrt (- y x)))))

rewrite1.8s

Algorithm
rewrite-expression-head
Rules
15×cbrt-prod *-un-lft-identity
13×add-sqr-sqrt
add-cube-cbrt
cbrt-div add-log-exp
pow1 add-cbrt-cube add-exp-log
flip3-- pow1/3 flip-- distribute-lft-out-- difference-of-squares
+-commutative sum-log flip3-+ flip-+ distribute-lft-out
Counts
4 → 57
Calls
4 calls:
4.0ms
(cbrt (- y x))
5.0ms
(cbrt (- y x))
5.0ms
(cbrt (- y x))
1.8s
(+ x (/ (/ 1 (* (/ (cbrt (- a t)) (* (cbrt (- y x)) (cbrt (- z t)))) (/ (cbrt (- a t)) (* (cbrt (- y x)) (cbrt (- z t)))))) (/ (/ (cbrt (- a t)) (cbrt (- z t))) (cbrt (- y x)))))

series776.0ms

Counts
4 → 12
Calls
4 calls:
181.0ms
(cbrt (- y x))
167.0ms
(cbrt (- y x))
199.0ms
(cbrt (- y x))
229.0ms
(+ x (/ (/ 1 (* (/ (cbrt (- a t)) (* (cbrt (- y x)) (cbrt (- z t)))) (/ (cbrt (- a t)) (* (cbrt (- y x)) (cbrt (- z t)))))) (/ (/ (cbrt (- a t)) (cbrt (- z t))) (cbrt (- y x)))))

simplify3.1s

Counts
69 → 69
Iterations
IterNodes
done5037
33159
2725
1254
0109

prune462.0ms

Pruning

16 alts after pruning (14 fresh and 2 done)

Merged error: 6.2b

regimes769.0ms

Accuracy

19.2% (6.3b remaining)

Error of 10.3b against oracle of 4.0b and baseline of 11.8b

bsearch176.0ms

Steps
ItersRangePoint
10
5.2644298199866365e-157
2.7232975322406408e-140
2.4865790973510872e-154
8
-2.539644303582551e-91
-1.7804719413044463e-94
-1.9039405874823513e-94

simplify11.0ms

Iterations
IterNodes
done53
153
042

end0.0ms

sample1.6s

Algorithm
intervals
Results
604.0ms7837×body80valid
393.0ms404×body320valid
129.0ms504×body640valid
72.0ms266×body1280valid
25.0ms242×body160valid
3.0ms11×body2560valid