Details

Time bar (total: 8.3s)

sample31.0ms

Algorithm
intervals
Results
11.0ms282×body80valid
4.0ms103×body80nan

simplify52.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01214
12214
24514
36814
49214
510514
done10514

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 25.0b

localize15.0ms

Local error

Found 4 expressions with local error:

0.6b
(- (* z z) (* t a))
2.9b
(* (* x y) z)
11.4b
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
23.6b
(sqrt (- (* z z) (* t a)))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
18×add-exp-log add-cbrt-cube
11×add-sqr-sqrt
10×pow1 add-cube-cbrt *-un-lft-identity
sqrt-prod
times-frac prod-exp associate-/r* cbrt-unprod add-log-exp
expm1-log1p-u sqrt-div log1p-expm1-u
cbrt-undiv flip3-- div-exp associate-*r* pow-prod-down flip--
associate-/r/
sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log associate-*l* prod-diff clear-num *-commutative div-inv associate-/l*
Counts
4 → 86
Calls
4 calls:
3.0ms
(- (* z z) (* t a))
6.0ms
(* (* x y) z)
11.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
4.0ms
(sqrt (- (* z z) (* t a)))

series201.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(- (* z z) (* t a))
26.0ms
(* (* x y) z)
80.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
62.0ms
(sqrt (- (* z z) (* t a)))

simplify838.0ms

Counts
98 → 98
Iterations

Useful iterations: 2 (184.0ms)

IterNodesCost
01461331
13631220
216431062
done50011062

prune305.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.6b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ z (sqrt (- (* z z) (* t a))))
0.6b
(- (* z z) (* t a))
2.5b
(* (* y x) (/ z (sqrt (- (* z z) (* t a)))))
23.6b
(sqrt (- (* z z) (* t a)))

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
36×times-frac
34×add-sqr-sqrt
33×add-cube-cbrt *-un-lft-identity
24×associate-*r* sqrt-prod
18×add-exp-log add-cbrt-cube
10×pow1
sqrt-div prod-exp associate-/r* cbrt-unprod add-log-exp
expm1-log1p-u flip3-- associate-/r/ flip-- log1p-expm1-u
cbrt-undiv div-exp pow-prod-down associate-/l*
div-inv
sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log associate-*r/ associate-*l* prod-diff clear-num *-commutative
Counts
4 → 122
Calls
4 calls:
6.0ms
(/ z (sqrt (- (* z z) (* t a))))
3.0ms
(- (* z z) (* t a))
19.0ms
(* (* y x) (/ z (sqrt (- (* z z) (* t a)))))
4.0ms
(sqrt (- (* z z) (* t a)))

series222.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(/ z (sqrt (- (* z z) (* t a))))
32.0ms
(- (* z z) (* t a))
82.0ms
(* (* y x) (/ z (sqrt (- (* z z) (* t a)))))
60.0ms
(sqrt (- (* z z) (* t a)))

simplify848.0ms

Counts
134 → 134
Iterations

Useful iterations: 2 (270.0ms)

IterNodesCost
01792135
14491941
217041740
done50001740

prune376.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.2b

localize11.0ms

Local error

Found 4 expressions with local error:

0.6b
(- (* z z) (* t a))
1.3b
(* x (/ z (sqrt (- (* z z) (* t a)))))
1.5b
(* y (* x (/ z (sqrt (- (* z z) (* t a))))))
23.6b
(sqrt (- (* z z) (* t a)))

rewrite51.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
25×associate-*r*
20×add-cube-cbrt *-un-lft-identity times-frac
18×add-exp-log add-cbrt-cube
13×sqrt-prod
12×pow1
prod-exp cbrt-unprod
associate-*l* add-log-exp
expm1-log1p-u sqrt-div pow-prod-down log1p-expm1-u
flip3-- associate-*r/ flip-- unswap-sqr
cbrt-undiv div-exp associate-/r/ *-commutative
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 fma-neg diff-log prod-diff div-inv
Counts
4 → 102
Calls
4 calls:
3.0ms
(- (* z z) (* t a))
19.0ms
(* x (/ z (sqrt (- (* z z) (* t a)))))
19.0ms
(* y (* x (/ z (sqrt (- (* z z) (* t a))))))
5.0ms
(sqrt (- (* z z) (* t a)))

series231.0ms

Counts
4 → 12
Calls
4 calls:
32.0ms
(- (* z z) (* t a))
58.0ms
(* x (/ z (sqrt (- (* z z) (* t a)))))
84.0ms
(* y (* x (/ z (sqrt (- (* z z) (* t a))))))
57.0ms
(sqrt (- (* z z) (* t a)))

simplify1.8s

Counts
114 → 114
Iterations

Useful iterations: 3 (898.0ms)

IterNodesCost
01741680
14201552
212381342
345611340
done50001340

prune336.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 4.1b

localize15.0ms

Local error

Found 4 expressions with local error:

1.3b
(* x (/ z (* (sqrt (sqrt (- (* z z) (* t a)))) (sqrt (sqrt (- (* z z) (* t a)))))))
1.5b
(* y (* x (/ z (* (sqrt (sqrt (- (* z z) (* t a)))) (sqrt (sqrt (- (* z z) (* t a))))))))
23.6b
(sqrt (- (* z z) (* t a)))
23.6b
(sqrt (- (* z z) (* t a)))

rewrite172.0ms

Algorithm
rewrite-expression-head
Rules
28×sqrt-div
27×add-exp-log add-cbrt-cube
16×add-sqr-sqrt associate-*r*
13×pow1
12×prod-exp cbrt-unprod
10×add-cube-cbrt *-un-lft-identity
flip3-- associate-/r/ flip--
associate-*l* sqrt-prod
associate-*r/
cbrt-undiv expm1-log1p-u frac-times times-frac div-exp pow-prod-down log1p-expm1-u add-log-exp
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l/ *-commutative unswap-sqr
div-inv
Counts
4 → 97
Calls
4 calls:
54.0ms
(* x (/ z (* (sqrt (sqrt (- (* z z) (* t a)))) (sqrt (sqrt (- (* z z) (* t a)))))))
103.0ms
(* y (* x (/ z (* (sqrt (sqrt (- (* z z) (* t a)))) (sqrt (sqrt (- (* z z) (* t a))))))))
4.0ms
(sqrt (- (* z z) (* t a)))
7.0ms
(sqrt (- (* z z) (* t a)))

series265.0ms

Counts
4 → 12
Calls
4 calls:
58.0ms
(* x (/ z (* (sqrt (sqrt (- (* z z) (* t a)))) (sqrt (sqrt (- (* z z) (* t a)))))))
86.0ms
(* y (* x (/ z (* (sqrt (sqrt (- (* z z) (* t a)))) (sqrt (sqrt (- (* z z) (* t a))))))))
61.0ms
(sqrt (- (* z z) (* t a)))
60.0ms
(sqrt (- (* z z) (* t a)))

simplify857.0ms

Counts
109 → 109
Iterations

Useful iterations: 2 (137.0ms)

IterNodesCost
01712530
14141641
213251386
done50001386

prune370.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 4.1b

regimes322.0ms

Accuracy

83.8% (3.1b remaining)

Error of 6.6b against oracle of 3.5b and baseline of 22.6b

bsearch93.0ms

Steps
ItersRangePoint
9
1.1514081473628363e+89
6.147715137559524e+97
8.840009572039548e+95
10
-2.167781788999652e+162
-1.4102566258715918e+152
-1.2137296334810365e+154

simplify7.0ms

Iterations

Useful iterations: 0 (4.0ms)

IterNodesCost
02029
12829
23029
done3029

end0.0ms

sample822.0ms

Algorithm
intervals
Results
357.0ms8878×body80valid
107.0ms2953×body80nan