Details

Time bar (total: 19.1s)

sample72.0ms

Algorithm
intervals
Results
30.0ms356×body80valid

simplify6.7s

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01313
12713
29013
328913
477713
5168213
6227913
7244013
8245213
done245213

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 5.5b

localize17.0ms

Local error

Found 3 expressions with local error:

0.2b
(* (* z 9.0) t)
0.2b
(- (* x y) (* (* z 9.0) t))
5.2b
(/ (- (* x y) (* (* z 9.0) t)) (* a 2.0))

rewrite89.0ms

Algorithm
rewrite-expression-head
Rules
13×add-exp-log add-cbrt-cube
pow1
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
add-log-exp
prod-exp cbrt-unprod
expm1-log1p-u times-frac associate-*r* pow-prod-down log1p-expm1-u associate-/l*
cbrt-undiv flip3-- div-exp flip-- associate-/l/
sub-neg frac-2neg fma-neg diff-log div-sub associate-*l* prod-diff clear-num associate-/r* *-commutative div-inv
Counts
3 → 62
Calls
3 calls:
37.0ms
(* (* z 9.0) t)
11.0ms
(- (* x y) (* (* z 9.0) t))
38.0ms
(/ (- (* x y) (* (* z 9.0) t)) (* a 2.0))

series241.0ms

Counts
3 → 9
Calls
3 calls:
32.0ms
(* (* z 9.0) t)
83.0ms
(- (* x y) (* (* z 9.0) t))
126.0ms
(/ (- (* x y) (* (* z 9.0) t)) (* a 2.0))

simplify1.6s

Counts
71 → 71
Iterations

Useful iterations: 2 (284.0ms)

IterNodesCost
0127944
1352906
21799787
done5000787

prune359.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 4.9b

localize33.0ms

Local error

Found 4 expressions with local error:

0.2b
(* 4.5 (/ (* t z) a))
0.2b
(* 0.5 (/ (* x y) a))
4.0b
(/ (* t z) a)
5.0b
(/ (* x y) a)

rewrite128.0ms

Algorithm
rewrite-expression-head
Rules
32×add-exp-log add-cbrt-cube
18×add-sqr-sqrt
14×add-cube-cbrt *-un-lft-identity associate-*r*
12×times-frac
10×prod-exp cbrt-unprod
pow1 cbrt-undiv div-exp
associate-*l* associate-/r*
expm1-log1p-u log1p-expm1-u div-inv add-log-exp
frac-2neg associate-*r/ pow-prod-down clear-num *-commutative associate-/l* unswap-sqr
Counts
4 → 104
Calls
4 calls:
33.0ms
(* 4.5 (/ (* t z) a))
48.0ms
(* 0.5 (/ (* x y) a))
20.0ms
(/ (* t z) a)
21.0ms
(/ (* x y) a)

series197.0ms

Counts
4 → 12
Calls
4 calls:
62.0ms
(* 4.5 (/ (* t z) a))
50.0ms
(* 0.5 (/ (* x y) a))
35.0ms
(/ (* t z) a)
50.0ms
(/ (* x y) a)

simplify1.3s

Counts
116 → 116
Iterations

Useful iterations: done (1.3s)

IterNodesCost
01541036
14161002
22245860
done5000836

prune491.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 0.3b

localize20.0ms

Local error

Found 3 expressions with local error:

0.2b
(* z (* 9.0 t))
0.2b
(- (* x y) (* z (* 9.0 t)))
5.2b
(/ (- (* x y) (* z (* 9.0 t))) (* a 2.0))

rewrite99.0ms

Algorithm
rewrite-expression-head
Rules
13×add-exp-log add-cbrt-cube
pow1
add-sqr-sqrt add-cube-cbrt *-un-lft-identity
add-log-exp
prod-exp cbrt-unprod
expm1-log1p-u times-frac associate-*l* pow-prod-down log1p-expm1-u associate-/l*
cbrt-undiv flip3-- div-exp flip-- associate-/l/
sub-neg frac-2neg fma-neg diff-log div-sub associate-*r* prod-diff clear-num associate-/r* *-commutative div-inv
Counts
3 → 62
Calls
3 calls:
37.0ms
(* z (* 9.0 t))
11.0ms
(- (* x y) (* z (* 9.0 t)))
48.0ms
(/ (- (* x y) (* z (* 9.0 t))) (* a 2.0))

series261.0ms

Counts
3 → 9
Calls
3 calls:
22.0ms
(* z (* 9.0 t))
94.0ms
(- (* x y) (* z (* 9.0 t)))
145.0ms
(/ (- (* x y) (* z (* 9.0 t))) (* a 2.0))

simplify1.1s

Counts
71 → 71
Iterations

Useful iterations: 2 (218.0ms)

IterNodesCost
0125941
1341905
21561786
done5001786

prune318.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 0.3b

localize31.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (cbrt 4.5) (/ (* t z) a))
0.2b
(* (* (cbrt 4.5) (cbrt 4.5)) (* (cbrt 4.5) (/ (* t z) a)))
4.0b
(/ (* t z) a)
5.0b
(/ (* x y) a)

rewrite160.0ms

Algorithm
rewrite-expression-head
Rules
55×add-exp-log
38×add-cbrt-cube
26×prod-exp cbrt-unprod
18×pow1
16×add-sqr-sqrt
12×add-cube-cbrt *-un-lft-identity
10×cbrt-undiv div-exp
times-frac pow-prod-down
associate-*r*
associate-*l*
associate-/r*
cbrt-prod expm1-log1p-u log1p-expm1-u add-log-exp
associate-*r/ div-inv
frac-2neg clear-num *-commutative associate-/l* unswap-sqr
Counts
4 → 112
Calls
4 calls:
26.0ms
(* (cbrt 4.5) (/ (* t z) a))
82.0ms
(* (* (cbrt 4.5) (cbrt 4.5)) (* (cbrt 4.5) (/ (* t z) a)))
13.0ms
(/ (* t z) a)
34.0ms
(/ (* x y) a)

series341.0ms

Counts
4 → 12
Calls
4 calls:
121.0ms
(* (cbrt 4.5) (/ (* t z) a))
148.0ms
(* (* (cbrt 4.5) (cbrt 4.5)) (* (cbrt 4.5) (/ (* t z) a)))
37.0ms
(/ (* t z) a)
36.0ms
(/ (* x y) a)

simplify2.3s

Counts
124 → 124
Iterations

Useful iterations: done (2.3s)

IterNodesCost
01641468
14701420
226901080
done5000943

prune479.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 0.3b

regimes946.0ms

Accuracy

41.8% (4.1b remaining)

Error of 4.5b against oracle of 0.4b and baseline of 7.5b

bsearch2.0ms

simplify7.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04074
15474
done5474

end0.0ms

sample1.7s

Algorithm
intervals
Results
865.0ms11079×body80valid