Details

Time bar (total: 6.2s)

sample18.0ms

Algorithm
intervals
Results
8.0ms279×body80valid

simplify159.0ms

Counts
1 → 1
Iterations

Useful iterations: 1 (3.0ms)

IterNodesCost
01011
1209
2469
3879
41319
51769
62149
72329
82359
done2359

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)))

rewrite22.0ms

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:
12.0ms
(* z (- y t))
7.0ms
(/ (* x 2.0) (* z (- y t)))

series81.0ms

Counts
2 → 6
Calls
2 calls:
33.0ms
(* z (- y t))
47.0ms
(/ (* x 2.0) (* z (- y t)))

simplify555.0ms

Counts
77 → 77
Iterations

Useful iterations: 2 (156.0ms)

IterNodesCost
01451080
1327905
21444681
done5001681

prune124.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0.0b

localize10.0ms

Local error

Found 1 expressions with local error:

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

rewrite12.0ms

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 expm1-log1p-u flip3-- frac-2neg prod-exp clear-num flip-- cbrt-unprod log1p-expm1-u associate-/l/ add-log-exp
Counts
1 → 68
Calls
1 calls:
9.0ms
(/ (/ (* x 2.0) z) (- y t))

series44.0ms

Counts
1 → 3
Calls
1 calls:
44.0ms
(/ (/ (* x 2.0) z) (- y t))

simplify541.0ms

Counts
71 → 71
Iterations

Useful iterations: 2 (152.0ms)

IterNodesCost
01471093
13751045
21352971
done5000971

prune164.0ms

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)))

rewrite39.0ms

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
expm1-log1p-u flip3-- flip-- log1p-expm1-u 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 → 107
Calls
2 calls:
6.0ms
(/ 1 (- y t))
28.0ms
(* (/ (* x 2.0) z) (/ 1 (- y t)))

series81.0ms

Counts
2 → 6
Calls
2 calls:
37.0ms
(/ 1 (- y t))
43.0ms
(* (/ (* x 2.0) z) (/ 1 (- y t)))

simplify658.0ms

Counts
113 → 113
Iterations

Useful iterations: 2 (181.0ms)

IterNodesCost
01611400
14551158
21459972
done5000972

prune180.0ms

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))))

rewrite137.0ms

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
expm1-log1p-u log1p-expm1-u 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 → 252
Calls
4 calls:
2.0ms
(cbrt (- y t))
23.0ms
(* (cbrt (- y t)) (cbrt (- y t)))
84.0ms
(* (/ (/ (* x 2.0) z) (* (cbrt (- y t)) (cbrt (- y t)))) (/ (sqrt 1) (cbrt (- y t))))
13.0ms
(/ (/ (* x 2.0) z) (* (cbrt (- y t)) (cbrt (- y t))))

series446.0ms

Counts
4 → 12
Calls
4 calls:
150.0ms
(cbrt (- y t))
125.0ms
(* (cbrt (- y t)) (cbrt (- y t)))
51.0ms
(* (/ (/ (* x 2.0) z) (* (cbrt (- y t)) (cbrt (- y t)))) (/ (sqrt 1) (cbrt (- y t))))
121.0ms
(/ (/ (* x 2.0) z) (* (cbrt (- y t)) (cbrt (- y t))))

simplify1.5s

Counts
264 → 264
Iterations

Useful iterations: 2 (630.0ms)

IterNodesCost
04196055
111975339
243214383
done50004383

prune657.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

regimes159.0ms

Accuracy

48.1% (2.7b remaining)

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

bsearch64.0ms

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

sample468.0ms

Algorithm
intervals
Results
259.0ms8761×body80valid