Details

Time bar (total: 6.6s)

sample22.0ms

Algorithm
intervals
Results
11.0ms277×body80valid

simplify144.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01011
1209
2469
3879
41319
51769
62149
72329
82359
done2359

prune5.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 6.2b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(* z (- y t))
6.1b
(/ (* x 2.0) (* z (- y t)))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
18×*-un-lft-identity prod-diff
16×add-exp-log add-cube-cbrt add-cbrt-cube
11×distribute-rgt-in distribute-lft-in
associate-*r* prod-exp cbrt-unprod
pow1 cbrt-undiv associate-*r/ div-exp
associate-*l*
expm1-log1p-u sub-neg flip3-- associate-/r/ flip-- log1p-expm1-u add-log-exp
frac-2neg times-frac pow-prod-down clear-num associate-/r* *-commutative div-inv associate-/l* distribute-lft-out-- difference-of-squares unswap-sqr
Counts
2 → 71
Calls
2 calls:
11.0ms
(* z (- y t))
6.0ms
(/ (* x 2.0) (* z (- y t)))

series82.0ms

Counts
2 → 6
Calls
2 calls:
35.0ms
(* z (- y t))
47.0ms
(/ (* x 2.0) (* z (- y t)))

simplify529.0ms

Counts
77 → 77
Iterations

Useful iterations: 2 (148.0ms)

IterNodesCost
01451080
1327905
21444681
done5001681

prune136.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(* z (/ (- y t) 2.0))
5.9b
(/ x (* z (/ (- y t) 2.0)))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
20×*-un-lft-identity
19×times-frac associate-*r*
16×add-exp-log add-cbrt-cube
14×add-cube-cbrt
cbrt-undiv div-exp
pow1 prod-exp cbrt-unprod
associate-*l* associate-/l* distribute-lft-out-- difference-of-squares
expm1-log1p-u associate-*r/ log1p-expm1-u div-inv add-log-exp unswap-sqr
frac-2neg pow-prod-down clear-num associate-/r* associate-/r/ *-commutative
Counts
2 → 66
Calls
2 calls:
14.0ms
(* z (/ (- y t) 2.0))
6.0ms
(/ x (* z (/ (- y t) 2.0)))

series97.0ms

Counts
2 → 6
Calls
2 calls:
49.0ms
(* z (/ (- y t) 2.0))
47.0ms
(/ x (* z (/ (- y t) 2.0)))

simplify617.0ms

Counts
72 → 72
Iterations

Useful iterations: 2 (96.0ms)

IterNodesCost
0125793
1301754
21173634
done5000634

prune152.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
0.5b
(cbrt x)
0.5b
(cbrt x)
4.7b
(* (/ (* (cbrt x) (cbrt x)) z) (/ (cbrt x) (/ (- y t) 2.0)))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
224×times-frac
170×add-sqr-sqrt
138×*-un-lft-identity
119×associate-*r*
102×add-cube-cbrt
70×cbrt-prod
40×add-exp-log
28×add-cbrt-cube
18×distribute-lft-out-- difference-of-squares
15×cbrt-undiv div-exp
12×prod-exp cbrt-unprod
10×unswap-sqr
div-inv
associate-*l*
pow1
expm1-log1p-u log1p-expm1-u add-log-exp
pow1/3
frac-times associate-*r/ pow-prod-down associate-*l/ associate-/r/ *-commutative
Counts
4 → 207
Calls
4 calls:
0.0ms
(cbrt x)
0.0ms
(cbrt x)
1.0ms
(cbrt x)
62.0ms
(* (/ (* (cbrt x) (cbrt x)) z) (/ (cbrt x) (/ (- y t) 2.0)))

series626.0ms

Counts
4 → 12
Calls
4 calls:
190.0ms
(cbrt x)
182.0ms
(cbrt x)
177.0ms
(cbrt x)
76.0ms
(* (/ (* (cbrt x) (cbrt x)) z) (/ (cbrt x) (/ (- y t) 2.0)))

simplify650.0ms

Counts
219 → 219
Iterations

Useful iterations: done (644.0ms)

IterNodesCost
03463827
111403547
done50013187

prune595.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

localize16.0ms

Local error

Found 4 expressions with local error:

0.5b
(cbrt x)
0.6b
(cbrt (* (cbrt x) (cbrt x)))
0.6b
(cbrt (cbrt x))
4.7b
(* (/ (* (* (cbrt (* (cbrt x) (cbrt x))) (cbrt (cbrt x))) (cbrt x)) z) (/ (cbrt x) (/ (- y t) 2.0)))

rewrite108.0ms

Algorithm
rewrite-expression-head
Rules
213×times-frac
154×add-sqr-sqrt
138×*-un-lft-identity
119×associate-*r*
102×add-cube-cbrt
72×cbrt-prod
58×add-exp-log
38×add-cbrt-cube
21×cbrt-undiv div-exp prod-exp cbrt-unprod
18×distribute-lft-out-- difference-of-squares
div-inv
associate-*l*
pow1
unswap-sqr
expm1-log1p-u log1p-expm1-u add-log-exp
pow1/3
frac-times associate-*r/ pow-prod-down associate-*l/ associate-/r/ *-commutative
Counts
4 → 209
Calls
4 calls:
0.0ms
(cbrt x)
3.0ms
(cbrt (* (cbrt x) (cbrt x)))
1.0ms
(cbrt (cbrt x))
91.0ms
(* (/ (* (* (cbrt (* (cbrt x) (cbrt x))) (cbrt (cbrt x))) (cbrt x)) z) (/ (cbrt x) (/ (- y t) 2.0)))

series794.0ms

Counts
4 → 12
Calls
4 calls:
179.0ms
(cbrt x)
284.0ms
(cbrt (* (cbrt x) (cbrt x)))
254.0ms
(cbrt (cbrt x))
77.0ms
(* (/ (* (* (cbrt (* (cbrt x) (cbrt x))) (cbrt (cbrt x))) (cbrt x)) z) (/ (cbrt x) (/ (- y t) 2.0)))

simplify484.0ms

Counts
221 → 221
Iterations

Useful iterations: 1 (230.0ms)

IterNodesCost
03965447
112585154
done50015154

prune694.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0.0b

regimes244.0ms

Accuracy

49.4% (2.7b remaining)

Error of 2.8b against oracle of 0.0b and baseline of 5.4b

bsearch1.0ms

simplify2.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02043
12833
done2833

end0.0ms

sample499.0ms

Algorithm
intervals
Results
287.0ms8741×body80valid