Details

Time bar (total: 5.2s)

sample28.0ms

Algorithm
intervals
Results
12.0ms256×body80valid

simplify131.0ms

Counts
1 → 1

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.7b

localize18.0ms

Local error

Found 3 expressions with local error:

0.0b
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
0.2b
(- (* (* z 2.0) z) (* y t))
19.7b
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

rewrite157.0ms

Algorithm
rewrite-expression-head
Rules
12×add-exp-log add-cbrt-cube
add-sqr-sqrt *-un-lft-identity add-log-exp
add-cube-cbrt
pow1 cbrt-undiv flip3-- times-frac div-exp prod-exp associate-/r* flip-- cbrt-unprod
sub-neg diff-log associate-/r/
frac-2neg clear-num div-inv associate-/l* distribute-lft-out-- difference-of-squares
Counts
3 → 51
Calls
3 calls:
68.0ms
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
21.0ms
(- (* (* z 2.0) z) (* y t))
67.0ms
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

series391.0ms

Counts
3 → 9
Calls
3 calls:
95.0ms
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
42.0ms
(- (* (* z 2.0) z) (* y t))
254.0ms
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

simplify38.0ms

Counts
60 → 60

prune152.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 5.1b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (* (* y 2.0) (/ z (- (* 2.0 (pow z 2)) (* t y)))))
0.2b
(- (* 2.0 (pow z 2)) (* t y))
6.5b
(* (* y 2.0) (/ z (- (* 2.0 (pow z 2)) (* t y))))
17.1b
(/ z (- (* 2.0 (pow z 2)) (* t y)))

rewrite104.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt add-cube-cbrt *-un-lft-identity
18×add-exp-log times-frac add-cbrt-cube
15×associate-*r*
pow1
add-log-exp
prod-exp cbrt-unprod
flip3-- associate-/r/ flip--
cbrt-undiv div-exp pow-prod-down associate-/r* associate-/l*
sub-neg diff-log div-inv
frac-2neg associate-*r/ associate-*l* clear-num *-commutative
Counts
4 → 88
Calls
4 calls:
10.0ms
(- x (* (* y 2.0) (/ z (- (* 2.0 (pow z 2)) (* t y)))))
19.0ms
(- (* 2.0 (pow z 2)) (* t y))
53.0ms
(* (* y 2.0) (/ z (- (* 2.0 (pow z 2)) (* t y))))
16.0ms
(/ z (- (* 2.0 (pow z 2)) (* t y)))

series482.0ms

Counts
4 → 12
Calls
4 calls:
127.0ms
(- x (* (* y 2.0) (/ z (- (* 2.0 (pow z 2)) (* t y)))))
55.0ms
(- (* 2.0 (pow z 2)) (* t y))
231.0ms
(* (* y 2.0) (/ z (- (* 2.0 (pow z 2)) (* t y))))
69.0ms
(/ z (- (* 2.0 (pow z 2)) (* t y)))

simplify59.0ms

Counts
100 → 100

prune319.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 5.1b

localize20.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
0.2b
(- (* (* z 2.0) z) (* y t))
6.6b
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
17.0b
(/ (- (* (* z 2.0) z) (* y t)) z)

rewrite211.0ms

Algorithm
rewrite-expression-head
Rules
40×times-frac
28×add-sqr-sqrt *-un-lft-identity
26×add-cube-cbrt
18×add-exp-log add-cbrt-cube
16×associate-/r*
add-log-exp
cbrt-undiv div-exp
pow1 div-inv associate-/l*
flip3-- flip--
sub-neg frac-2neg diff-log prod-exp clear-num cbrt-unprod associate-/l/
div-sub associate-/r/ distribute-lft-out-- difference-of-squares
Counts
4 → 102
Calls
4 calls:
55.0ms
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
29.0ms
(- (* (* z 2.0) z) (* y t))
57.0ms
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
67.0ms
(/ (- (* (* z 2.0) z) (* y t)) z)

series526.0ms

Counts
4 → 12
Calls
4 calls:
135.0ms
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
64.0ms
(- (* (* z 2.0) z) (* y t))
253.0ms
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
74.0ms
(/ (- (* (* z 2.0) z) (* y t)) z)

simplify58.0ms

Counts
114 → 114

prune365.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 3.1b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (/ (* y 2.0) (- (* z 2.0) (/ (* t y) z))))
0.0b
(- (* z 2.0) (/ (* t y) z))
5.4b
(/ (* t y) z)
6.6b
(/ (* y 2.0) (- (* z 2.0) (/ (* t y) z)))

rewrite98.0ms

Algorithm
rewrite-expression-head
Rules
14×add-exp-log add-cbrt-cube
10×add-sqr-sqrt *-un-lft-identity
add-cube-cbrt add-log-exp
times-frac associate-/r*
pow1 cbrt-undiv div-exp
flip3-- flip--
sub-neg frac-2neg diff-log prod-exp clear-num associate-/r/ cbrt-unprod div-inv associate-/l*
distribute-lft-out-- difference-of-squares
Counts
4 → 70
Calls
4 calls:
42.0ms
(- x (/ (* y 2.0) (- (* z 2.0) (/ (* t y) z))))
13.0ms
(- (* z 2.0) (/ (* t y) z))
11.0ms
(/ (* t y) z)
30.0ms
(/ (* y 2.0) (- (* z 2.0) (/ (* t y) z)))

series406.0ms

Counts
4 → 12
Calls
4 calls:
92.0ms
(- x (/ (* y 2.0) (- (* z 2.0) (/ (* t y) z))))
59.0ms
(- (* z 2.0) (/ (* t y) z))
21.0ms
(/ (* t y) z)
234.0ms
(/ (* y 2.0) (- (* z 2.0) (/ (* t y) z)))

simplify45.0ms

Counts
82 → 82

prune237.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 1.2b

regimes134.0ms

Accuracy

0% (1.8b remaining)

Error of 2.4b against oracle of 0.6b and baseline of 2.4b

bsearch0.0ms

simplify34.0ms

end0.0ms

sample1.2s

Algorithm
intervals
Results
721.0ms8000×body80valid