Details

Time bar (total: 6.8s)

sample19.0ms

Algorithm
intervals
Results
8.0ms279×body80valid

simplify126.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
01011
1199
2449
3819
41259
51659
61949
72059
done2059

prune6.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 7.4b

localize7.0ms

Local error

Found 2 expressions with local error:

0.0b
(* z (- y t))
7.3b
(/ (* x 2.0) (* z (- y t)))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
16×add-exp-log add-cbrt-cube
add-sqr-sqrt
*-un-lft-identity
associate-*r* prod-exp cbrt-unprod
pow1 cbrt-undiv add-cube-cbrt associate-*r/ div-exp
associate-*l*
distribute-rgt-in sub-neg flip3-- distribute-lft-in associate-/r/ flip-- 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 → 49
Calls
2 calls:
10.0ms
(* z (- y t))
6.0ms
(/ (* x 2.0) (* z (- y t)))

series84.0ms

Counts
2 → 6
Calls
2 calls:
35.0ms
(* z (- y t))
49.0ms
(/ (* x 2.0) (* z (- y t)))

simplify849.0ms

Counts
55 → 55
Iterations

Useful iterations: 2 (96.0ms)

IterNodesCost
093556
1250543
21091427
done5000427

prune102.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize7.0ms

Local error

Found 1 expressions with local error:

4.2b
(/ (/ (* x 2.0) z) (- y t))

rewrite11.0ms

Algorithm
rewrite-expression-head
Rules
53×times-frac
37×add-sqr-sqrt *-un-lft-identity
21×add-cube-cbrt
10×add-exp-log add-cbrt-cube
distribute-lft-out-- difference-of-squares
div-inv associate-/l*
cbrt-undiv div-exp associate-/r*
associate-/r/
pow1 flip3-- frac-2neg prod-exp clear-num flip-- cbrt-unprod associate-/l/ add-log-exp
Counts
1 → 66
Calls
1 calls:
9.0ms
(/ (/ (* x 2.0) z) (- y t))

series45.0ms

Counts
1 → 3
Calls
1 calls:
45.0ms
(/ (/ (* x 2.0) z) (- y t))

simplify943.0ms

Counts
69 → 69
Iterations

Useful iterations: 2 (143.0ms)

IterNodesCost
01451073
13721025
21239951
done5000951

prune158.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize8.0ms

Local error

Found 2 expressions with local error:

0.0b
(/ 1 (- y t))
4.3b
(* (/ (* x 2.0) z) (/ 1 (- y t)))

rewrite36.0ms

Algorithm
rewrite-expression-head
Rules
45×add-exp-log
44×add-sqr-sqrt
38×*-un-lft-identity
35×times-frac
25×add-cbrt-cube
23×add-cube-cbrt
21×associate-*r*
16×div-exp prod-exp
cbrt-undiv cbrt-unprod
associate-*l* distribute-lft-out-- difference-of-squares
pow1 associate-/r*
rec-exp 1-exp associate-/r/
div-inv associate-/l* unswap-sqr
flip3-- flip-- add-log-exp
frac-times pow-flip frac-2neg associate-*r/ pow-prod-down associate-*l/ clear-num un-div-inv *-commutative inv-pow
Counts
2 → 103
Calls
2 calls:
6.0ms
(/ 1 (- y t))
26.0ms
(* (/ (* x 2.0) z) (/ 1 (- y t)))

series84.0ms

Counts
2 → 6
Calls
2 calls:
38.0ms
(/ 1 (- y t))
45.0ms
(* (/ (* x 2.0) z) (/ 1 (- y t)))

simplify918.0ms

Counts
109 → 109
Iterations

Useful iterations: 2 (186.0ms)

IterNodesCost
01571364
14501126
21375940
done5001940

prune165.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (- y t))
0.6b
(* (cbrt (- y t)) (cbrt (- y t)))
0.6b
(* (/ (/ (* x 2.0) z) (* (cbrt (- y t)) (cbrt (- y t)))) (/ (sqrt 1) (cbrt (- y t))))
3.9b
(/ (/ (* x 2.0) z) (* (cbrt (- y t)) (cbrt (- y t))))

rewrite124.0ms

Algorithm
rewrite-expression-head
Rules
115×add-sqr-sqrt
92×add-exp-log
90×times-frac
81×*-un-lft-identity
69×cbrt-prod
65×add-cbrt-cube
62×associate-*r*
49×add-cube-cbrt
40×cbrt-div
37×cbrt-undiv div-exp
32×sqrt-prod
30×prod-exp cbrt-unprod
27×associate-*l*
20×flip3-- flip--
18×associate-/r/ unswap-sqr
13×pow1 frac-times distribute-lft-out--
11×difference-of-squares
10×swap-sqr
pow1/3 associate-*r/ associate-*l/ associate-/l*
div-inv
add-log-exp
pow-prod-down
pow-sqr *-commutative pow-prod-up
pow2 frac-2neg pow-plus clear-num associate-/r* associate-/l/
Counts
4 → 244
Calls
4 calls:
2.0ms
(cbrt (- y t))
19.0ms
(* (cbrt (- y t)) (cbrt (- y t)))
78.0ms
(* (/ (/ (* x 2.0) z) (* (cbrt (- y t)) (cbrt (- y t)))) (/ (sqrt 1) (cbrt (- y t))))
12.0ms
(/ (/ (* x 2.0) z) (* (cbrt (- y t)) (cbrt (- y t))))

series449.0ms

Counts
4 → 12
Calls
4 calls:
154.0ms
(cbrt (- y t))
124.0ms
(* (cbrt (- y t)) (cbrt (- y t)))
50.0ms
(* (/ (/ (* x 2.0) z) (* (cbrt (- y t)) (cbrt (- y t)))) (/ (sqrt 1) (cbrt (- y t))))
120.0ms
(/ (/ (* x 2.0) z) (* (cbrt (- y t)) (cbrt (- y t))))

simplify1.3s

Counts
256 → 256
Iterations

Useful iterations: 2 (590.0ms)

IterNodesCost
04115945
111825250
239484330
done50004330

prune619.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

regimes160.0ms

Accuracy

48.3% (2.7b remaining)

Error of 2.7b against oracle of 0.0b and baseline of 5.3b

bsearch70.0ms

Steps
ItersRangePoint
9
7.057717429749845e-42
3.5276053561013562e-34
4.536023366252226e-37
6
-7.081229578003571e-128
-4.508223937620286e-129
-6.93799498024277e-128

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01935
12135
done2135

end0.0ms

sample486.0ms

Algorithm
intervals
Results
270.0ms8761×body80valid