Details

Time bar (total: 7.9s)

sample30.0ms

Algorithm
intervals
Results
10.0ms282×body80valid
4.0ms103×body80nan

simplify45.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01214
12214
24514
36914
49314
510614
done10614

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 25.0b

localize10.0ms

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)))

rewrite31.0ms

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))
7.0ms
(* (* x y) z)
14.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
5.0ms
(sqrt (- (* z z) (* t a)))

series210.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(- (* z z) (* t a))
28.0ms
(* (* x y) z)
87.0ms
(/ (* (* x y) z) (sqrt (- (* z z) (* t a))))
60.0ms
(sqrt (- (* z z) (* t a)))

simplify642.0ms

Counts
98 → 98
Iterations

Useful iterations: 2 (134.0ms)

IterNodesCost
01461331
13721224
218061062
done50001062

prune289.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.6b

localize14.0ms

Local error

Found 4 expressions with local error:

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

rewrite38.0ms

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
(* (* x y) (/ z (sqrt (- (* z z) (* t a)))))
5.0ms
(sqrt (- (* z z) (* t a)))

series239.0ms

Counts
4 → 12
Calls
4 calls:
53.0ms
(/ z (sqrt (- (* z z) (* t a))))
34.0ms
(- (* z z) (* t a))
87.0ms
(* (* x y) (/ z (sqrt (- (* z z) (* t a)))))
65.0ms
(sqrt (- (* z z) (* t a)))

simplify803.0ms

Counts
134 → 134
Iterations

Useful iterations: 2 (167.0ms)

IterNodesCost
01782135
14581955
220351740
done50011740

prune362.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 4.2b

localize11.0ms

Local error

Found 4 expressions with local error:

0.6b
(- (* z z) (* t a))
0.9b
(* x (* y (/ z (sqrt (- (* z z) (* t a))))))
2.0b
(* y (/ z (sqrt (- (* z z) (* t a)))))
23.6b
(sqrt (- (* z z) (* t a)))

rewrite54.0ms

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))
23.0ms
(* x (* y (/ z (sqrt (- (* z z) (* t a))))))
19.0ms
(* y (/ z (sqrt (- (* z z) (* t a)))))
5.0ms
(sqrt (- (* z z) (* t a)))

series244.0ms

Counts
4 → 12
Calls
4 calls:
34.0ms
(- (* z z) (* t a))
90.0ms
(* x (* y (/ z (sqrt (- (* z z) (* t a))))))
60.0ms
(* y (/ z (sqrt (- (* z z) (* t a)))))
60.0ms
(sqrt (- (* z z) (* t a)))

simplify653.0ms

Counts
114 → 114
Iterations

Useful iterations: 2 (146.0ms)

IterNodesCost
01731680
14291558
216851342
done50011342

prune303.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 4.1b

localize19.0ms

Local error

Found 4 expressions with local error:

0.9b
(* x (* (/ y (fabs (cbrt (- (* z z) (* t a))))) (/ z (sqrt (cbrt (- (* z z) (* t a)))))))
4.1b
(* (/ y (fabs (cbrt (- (* z z) (* t a))))) (/ z (sqrt (cbrt (- (* z z) (* t a))))))
24.3b
(cbrt (- (* z z) (* t a)))
24.3b
(cbrt (- (* z z) (* t a)))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
59×add-sqr-sqrt
46×times-frac
34×add-exp-log associate-*r* add-cbrt-cube
33×add-cube-cbrt *-un-lft-identity
22×sqrt-prod
17×cbrt-prod
16×associate-*l*
13×prod-exp cbrt-unprod
11×pow1
cbrt-undiv div-exp unswap-sqr
cbrt-div
associate-*r/
expm1-log1p-u pow-prod-down log1p-expm1-u add-log-exp
flip3-- flip--
frac-times pow1/3 sqrt-div associate-*l/ associate-/r/ *-commutative div-inv
Counts
4 → 135
Calls
4 calls:
28.0ms
(* x (* (/ y (fabs (cbrt (- (* z z) (* t a))))) (/ z (sqrt (cbrt (- (* z z) (* t a)))))))
32.0ms
(* (/ y (fabs (cbrt (- (* z z) (* t a))))) (/ z (sqrt (cbrt (- (* z z) (* t a))))))
3.0ms
(cbrt (- (* z z) (* t a)))
2.0ms
(cbrt (- (* z z) (* t a)))

series531.0ms

Counts
4 → 12
Calls
4 calls:
213.0ms
(* x (* (/ y (fabs (cbrt (- (* z z) (* t a))))) (/ z (sqrt (cbrt (- (* z z) (* t a)))))))
148.0ms
(* (/ y (fabs (cbrt (- (* z z) (* t a))))) (/ z (sqrt (cbrt (- (* z z) (* t a))))))
86.0ms
(cbrt (- (* z z) (* t a)))
83.0ms
(cbrt (- (* z z) (* t a)))

simplify1.4s

Counts
147 → 147
Iterations

Useful iterations: 2 (268.0ms)

IterNodesCost
02674017
17583855
230703257
done50013257

prune479.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 4.1b

regimes518.0ms

Accuracy

84.6% (2.9b remaining)

Error of 6.6b against oracle of 3.7b and baseline of 22.6b

bsearch95.0ms

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

simplify4.0ms

Iterations

Useful iterations: 2 (2.0ms)

IterNodesCost
02130
12630
22729
33329
done3329

end0.0ms

sample796.0ms

Algorithm
intervals
Results
334.0ms8878×body80valid
100.0ms2953×body80nan