Details

Time bar (total: 18.9s)

sample46.0ms

Algorithm
intervals
Results
19.0ms258×body80valid
2.0msbody1280valid
2.0ms12×body320valid
2.0msbody640valid
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: 23.3b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(* (- y x) (- z t))
2.2b
(+ x (/ (* (- y x) (- z t)) (- a t)))
17.1b
(/ (* (- y x) (- z t)) (- a t))

rewrite99.0ms

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:
52.0ms
(* (- y x) (- z t))
22.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
23.0ms
(/ (* (- y x) (- z t)) (- a t))

series458.0ms

Counts
3 → 9
Calls
3 calls:
64.0ms
(* (- y x) (- z t))
249.0ms
(+ x (/ (* (- y x) (- z t)) (- a t)))
144.0ms
(/ (* (- y x) (- z t)) (- a t))

simplify1.6s

Counts
90 → 90
Iterations
IterNodes
done5000
21904
1480
0162

prune709.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 2.8b

localize34.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- a t) (- z t))
2.2b
(+ x (/ (- y x) (/ (- a t) (- z t))))
2.7b
(/ (- y x) (/ (- a t) (- z t)))

rewrite180.0ms

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:
18.0ms
(/ (- a t) (- z t))
108.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
30.0ms
(/ (- y x) (/ (- a t) (- z t)))

series627.0ms

Counts
3 → 9
Calls
3 calls:
89.0ms
(/ (- a t) (- z t))
269.0ms
(+ x (/ (- y x) (/ (- a t) (- z t))))
269.0ms
(/ (- y x) (/ (- a t) (- z t)))

simplify2.1s

Counts
283 → 283
Iterations
IterNodes
done5002
23788
11146
0354

prune1.6s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 2.8b

localize40.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- z t))
0.6b
(cbrt (- z t))
0.9b
(/ (- y x) (* (/ (cbrt (- a t)) (cbrt (- z t))) (/ (cbrt (- a t)) (cbrt (- z t)))))
2.2b
(+ x (/ (/ (- y x) (* (/ (cbrt (- a t)) (cbrt (- z t))) (/ (cbrt (- a t)) (cbrt (- z t))))) (/ (cbrt (- a t)) (cbrt (- z t)))))

rewrite347.0ms

Algorithm
rewrite-expression-head
Rules
22×add-exp-log
18×*-un-lft-identity
16×add-sqr-sqrt
14×add-cbrt-cube
10×cbrt-prod
cbrt-undiv div-exp
add-cube-cbrt
add-log-exp
times-frac associate-/l*
pow1 cbrt-div prod-exp cbrt-unprod distribute-lft-out-- difference-of-squares
flip3-- div-sub associate-/r/ flip--
pow1/3 associate-/l/
frac-times +-commutative clear-num associate-+r- associate-/r* sum-log frac-2neg flip3-+ associate-*l/ associate-*r/ flip-+ div-inv distribute-lft-out
Counts
4 → 80
Calls
4 calls:
3.0ms
(cbrt (- z t))
3.0ms
(cbrt (- z t))
56.0ms
(/ (- y x) (* (/ (cbrt (- a t)) (cbrt (- z t))) (/ (cbrt (- a t)) (cbrt (- z t)))))
282.0ms
(+ x (/ (/ (- y x) (* (/ (cbrt (- a t)) (cbrt (- z t))) (/ (cbrt (- a t)) (cbrt (- z t))))) (/ (cbrt (- a t)) (cbrt (- z t)))))

series1.2s

Counts
4 → 12
Calls
4 calls:
215.0ms
(cbrt (- z t))
222.0ms
(cbrt (- z t))
425.0ms
(/ (- y x) (* (/ (cbrt (- a t)) (cbrt (- z t))) (/ (cbrt (- a t)) (cbrt (- z t)))))
288.0ms
(+ x (/ (/ (- y x) (* (/ (cbrt (- a t)) (cbrt (- z t))) (/ (cbrt (- a t)) (cbrt (- z t))))) (/ (cbrt (- a t)) (cbrt (- z t)))))

simplify2.0s

Counts
92 → 92
Iterations
IterNodes
done5000
21565
1549
0213

prune695.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 2.8b

localize19.0ms

Local error

Found 3 expressions with local error:

0.0b
(/ (- z t) (- a t))
2.2b
(+ x (* (- y x) (/ (- z t) (- a t))))
2.6b
(* (- y x) (/ (- z t) (- a t)))

rewrite111.0ms

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-cbrt-cube add-exp-log
pow1 associate-/r* flip3-- associate-*l* flip-- associate-/l* add-log-exp
associate-/r/
frac-times cbrt-undiv div-exp associate-*l/ prod-exp cbrt-unprod div-inv unswap-sqr associate-/l/
+-commutative clear-num sum-log frac-2neg flip3-+ div-sub pow-prod-down associate-*r/ *-commutative flip-+
Counts
3 → 119
Calls
3 calls:
23.0ms
(/ (- z t) (- a t))
11.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))
72.0ms
(* (- y x) (/ (- z t) (- a t)))

series850.0ms

Counts
3 → 9
Calls
3 calls:
64.0ms
(/ (- z t) (- a t))
276.0ms
(+ x (* (- y x) (/ (- z t) (- a t))))
510.0ms
(* (- y x) (/ (- z t) (- a t)))

simplify1.6s

Counts
128 → 128
Iterations
IterNodes
done5001
21720
1503
0183

prune676.0ms

Pruning

12 alts after pruning (9 fresh and 3 done)

Merged error: 2.8b

regimes887.0ms

Accuracy

14.6% (6.2b remaining)

Error of 10.4b against oracle of 4.2b and baseline of 11.5b

bsearch129.0ms

Steps
ItersRangePoint
5
2.837789130114876e-223
8.100114978727542e-223
7.273457157218697e-223
10
-1.6522177722814347e-125
-2.530256043446995e-142
-4.911453117926139e-142

simplify13.0ms

Iterations
IterNodes
done36
136
030

end0.0ms

sample1.3s

Algorithm
intervals
Results
582.0ms7760×body80valid
117.0ms469×body640valid
97.0ms415×body320valid
64.0ms255×body1280valid
58.0ms279×body160valid
4.0ms14×body2560valid