Details

Time bar (total: 5.1s)

sample34.0ms

Algorithm
intervals
Results
16.0ms256×body80valid

simplify144.0ms

Counts
1 → 1

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 10.4b

localize14.0ms

Local error

Found 2 expressions with local error:

0.5b
(- (* (* z 2.0) z) (* y t))
17.0b
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

rewrite118.0ms

Algorithm
rewrite-expression-head
Rules
11×add-exp-log add-cbrt-cube
4×add-sqr-sqrt add-cube-cbrt *-un-lft-identity add-log-exp
3×cbrt-undiv times-frac div-exp prod-exp associate-/r* cbrt-unprod
2×pow1 flip3-- associate-/r/ flip--
1×sub-neg frac-2neg diff-log clear-num div-inv associate-/l*
Counts
2 → 37
Calls
2 calls:
28.0ms
(- (* (* z 2.0) z) (* y t))
89.0ms
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

series344.0ms

Counts
2 → 6
Calls
2 calls:
52.0ms
(- (* (* z 2.0) z) (* y t))
291.0ms
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

simplify47.0ms

Counts
43 → 43

prune172.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 3.7b

localize16.0ms

Local error

Found 3 expressions with local error:

0.5b
(- (* (* z 2.0) z) (* y t))
4.5b
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
14.4b
(/ (- (* (* z 2.0) z) (* y t)) z)

rewrite182.0ms

Algorithm
rewrite-expression-head
Rules
40×times-frac
25×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
17×add-exp-log add-cbrt-cube
16×associate-/r*
7×cbrt-undiv div-exp
5×add-log-exp
4×div-inv associate-/l*
3×pow1
2×flip3-- frac-2neg prod-exp clear-num flip-- cbrt-unprod associate-/l/
1×sub-neg diff-log div-sub associate-/r/
Counts
3 → 88
Calls
3 calls:
34.0ms
(- (* (* z 2.0) z) (* y t))
64.0ms
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
82.0ms
(/ (- (* (* z 2.0) z) (* y t)) z)

series398.0ms

Counts
3 → 9
Calls
3 calls:
45.0ms
(- (* (* z 2.0) z) (* y t))
266.0ms
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
86.0ms
(/ (- (* (* z 2.0) z) (* y t)) z)

simplify52.0ms

Counts
97 → 97

prune388.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 1.7b

localize25.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* 2.0 z) (/ (* t y) z))
4.5b
(/ (* y 2.0) (- (* 2.0 z) (/ (* t y) z)))
4.8b
(/ (* t y) z)

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
13×add-exp-log add-cbrt-cube
7×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
6×times-frac associate-/r*
5×add-log-exp
4×cbrt-undiv div-exp
3×pow1
2×flip3-- frac-2neg prod-exp clear-num associate-/r/ flip-- cbrt-unprod div-inv associate-/l*
1×sub-neg diff-log
Counts
3 → 56
Calls
3 calls:
18.0ms
(- (* 2.0 z) (/ (* t y) z))
25.0ms
(/ (* y 2.0) (- (* 2.0 z) (/ (* t y) z)))
20.0ms
(/ (* t y) z)

series340.0ms

Counts
3 → 9
Calls
3 calls:
88.0ms
(- (* 2.0 z) (/ (* t y) z))
227.0ms
(/ (* y 2.0) (- (* 2.0 z) (/ (* t y) z)))
25.0ms
(/ (* t y) z)

simplify47.0ms

Counts
65 → 65

prune225.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.3b

localize17.0ms

Local error

Found 3 expressions with local error:

0.0b
(- (* 2.0 z) (/ t (/ z y)))
4.5b
(/ (* y 2.0) (- (* 2.0 z) (/ t (/ z y))))
7.3b
(/ t (/ z y))

rewrite97.0ms

Algorithm
rewrite-expression-head
Rules
78×times-frac
47×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
16×associate-/r*
13×add-exp-log add-cbrt-cube
6×div-inv
5×cbrt-undiv div-exp add-log-exp
4×associate-/l*
3×pow1 associate-/r/
2×flip3-- frac-2neg clear-num flip--
1×sub-neg diff-log prod-exp cbrt-unprod
Counts
3 → 105
Calls
3 calls:
17.0ms
(- (* 2.0 z) (/ t (/ z y)))
59.0ms
(/ (* y 2.0) (- (* 2.0 z) (/ t (/ z y))))
17.0ms
(/ t (/ z y))

series309.0ms

Counts
3 → 9
Calls
3 calls:
71.0ms
(- (* 2.0 z) (/ t (/ z y)))
213.0ms
(/ (* y 2.0) (- (* 2.0 z) (/ t (/ z y))))
24.0ms
(/ t (/ z y))

simplify61.0ms

Counts
114 → 114

prune333.0ms

Pruning

4 alts after pruning (3 fresh and 1 done)

Merged error: 0.2b

regimes96.0ms

Accuracy

0% (0.0b remaining)

Error of 1.1b against oracle of 1.1b and baseline of 1.1b

bsearch0.0ms

simplify50.0ms

end0.0ms

sample1.5s

Algorithm
intervals
Results
1.1s8000×body80valid