Details

Time bar (total: 3.8s)

sample22.0ms

Algorithm
intervals
Results
9.0ms256×body80valid

simplify33.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0268
1618
21418
33478
47928
550028
done50028

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 11.8b

localize11.0ms

Local error

Found 3 expressions with local error:

0.0b
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
0.7b
(- (* (* z 2.0) z) (* y t))
19.3b
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

rewrite120.0ms

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:
55.0ms
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
17.0ms
(- (* (* z 2.0) z) (* y t))
46.0ms
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

series318.0ms

Counts
3 → 9
Calls
3 calls:
91.0ms
(- x (/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t))))
43.0ms
(- (* (* z 2.0) z) (* y t))
183.0ms
(/ (* (* y 2.0) z) (- (* (* z 2.0) z) (* y t)))

simplify43.0ms

Counts
60 → 60
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0318564
11519493
25002493
done5002493

prune146.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 4.5b

localize15.0ms

Local error

Found 4 expressions with local error:

0.0b
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
0.7b
(- (* (* z 2.0) z) (* y t))
4.4b
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
17.7b
(/ (- (* (* z 2.0) z) (* y t)) z)

rewrite139.0ms

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:
42.0ms
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
18.0ms
(- (* (* z 2.0) z) (* y t))
34.0ms
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
42.0ms
(/ (- (* (* z 2.0) z) (* y t)) z)

series374.0ms

Counts
4 → 12
Calls
4 calls:
92.0ms
(- x (/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z)))
39.0ms
(- (* (* z 2.0) z) (* y t))
186.0ms
(/ (* y 2.0) (/ (- (* (* z 2.0) z) (* y t)) z))
57.0ms
(/ (- (* (* z 2.0) z) (* y t)) z)

simplify64.0ms

Counts
114 → 114
Iterations

Useful iterations: 2 (54.0ms)

IterNodesCost
04721105
12263993
25002988
done5002988

prune292.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.5b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(- x (/ (* y 2.0) (- (* 2.0 z) (/ (* t y) z))))
4.4b
(/ (* y 2.0) (- (* 2.0 z) (/ (* t y) z)))
5.4b
(/ (* t y) z)

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
13×add-exp-log add-cbrt-cube
add-sqr-sqrt *-un-lft-identity
add-cube-cbrt
times-frac associate-/r*
add-log-exp
cbrt-undiv div-exp
pow1
flip3-- frac-2neg prod-exp clear-num associate-/r/ flip-- cbrt-unprod div-inv associate-/l*
sub-neg diff-log distribute-lft-out-- difference-of-squares
Counts
3 → 58
Calls
3 calls:
30.0ms
(- x (/ (* y 2.0) (- (* 2.0 z) (/ (* t y) z))))
20.0ms
(/ (* y 2.0) (- (* 2.0 z) (/ (* t y) z)))
10.0ms
(/ (* t y) z)

series267.0ms

Counts
3 → 9
Calls
3 calls:
76.0ms
(- x (/ (* y 2.0) (- (* 2.0 z) (/ (* t y) z))))
170.0ms
(/ (* y 2.0) (- (* 2.0 z) (/ (* t y) z)))
20.0ms
(/ (* t y) z)

simplify39.0ms

Counts
67 → 67
Iterations

Useful iterations: 1 (9.0ms)

IterNodesCost
0312463
11403412
25001412
done5001412

prune152.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.7b

localize10.0ms

Local error

Found 3 expressions with local error:

0.0b
(- x (/ (* y 2.0) (- (* 2.0 z) (/ t (/ z y)))))
4.4b
(/ (* y 2.0) (- (* 2.0 z) (/ t (/ z y))))
5.7b
(/ t (/ z y))

rewrite103.0ms

Algorithm
rewrite-expression-head
Rules
78×times-frac
49×add-sqr-sqrt *-un-lft-identity
47×add-cube-cbrt
16×associate-/r*
13×add-exp-log add-cbrt-cube
div-inv
cbrt-undiv div-exp add-log-exp
associate-/l*
pow1 associate-/r/
flip3-- frac-2neg clear-num flip--
sub-neg diff-log prod-exp cbrt-unprod distribute-lft-out-- difference-of-squares
Counts
3 → 107
Calls
3 calls:
52.0ms
(- x (/ (* y 2.0) (- (* 2.0 z) (/ t (/ z y)))))
38.0ms
(/ (* y 2.0) (- (* 2.0 z) (/ t (/ z y))))
9.0ms
(/ t (/ z y))

series269.0ms

Counts
3 → 9
Calls
3 calls:
76.0ms
(- x (/ (* y 2.0) (- (* 2.0 z) (/ t (/ z y)))))
171.0ms
(/ (* y 2.0) (- (* 2.0 z) (/ t (/ z y))))
23.0ms
(/ t (/ z y))

simplify54.0ms

Counts
116 → 116
Iterations

Useful iterations: 2 (45.0ms)

IterNodesCost
0528830
12279774
25001773
done5001773

prune286.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.7b

regimes357.0ms

Accuracy

0% (0.5b remaining)

Error of 1.0b against oracle of 0.5b and baseline of 1.0b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
0188
1188
done188

end0.0ms

sample589.0ms

Algorithm
intervals
Results
301.0ms8000×body80valid