Details

Time bar (total: 17.5s)

sample442.0ms

Algorithm
intervals
Results
92.0ms306×body80nan
85.0ms91×body160valid
47.0ms112×body320valid
38.0ms16×body640valid
34.0ms562×pre80true
5.0ms37×body80valid

simplify116.0ms

Counts
1 → 1
Iterations
IterNodes
done98
798
697
595
487
370
243
124
014

prune14.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 50.7b

localize32.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (- (* b b) (* (* c a) 4)))
0.1b
(- (* b b) (* (* c a) 4))
0.1b
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
24.7b
(- (sqrt (- (* b b) (* (* c a) 4))) b)

rewrite117.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×*-un-lft-identity
18×times-frac
16×add-cube-cbrt
10×difference-of-squares
sqrt-prod add-log-exp
add-cbrt-cube add-exp-log associate-/l*
pow1 distribute-lft-out--
flip3-- insert-posit16 flip--
associate-/r*
sub-neg sqrt-div diff-log associate-/l/
cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-sub div-exp div-inv
Counts
4 → 88
Calls
4 calls:
7.0ms
(sqrt (- (* b b) (* (* c a) 4)))
7.0ms
(- (* b b) (* (* c a) 4))
66.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
34.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)

series353.0ms

Counts
4 → 12
Calls
4 calls:
85.0ms
(sqrt (- (* b b) (* (* c a) 4)))
58.0ms
(- (* b b) (* (* c a) 4))
110.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
99.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)

simplify1.1s

Counts
100 → 100
Iterations
IterNodes
done2005
32005
21103
1400
0161

prune1.2s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 3.0b

localize19.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
done0
00

prune69.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 3.0b

localize30.0ms

Local error

Found 2 expressions with local error:

0.3b
(/ (* a c) b)
0.3b
(/ (* -2 (/ (* a c) b)) a)

rewrite49.0ms

Algorithm
rewrite-expression-head
Rules
21×add-cbrt-cube add-exp-log
cbrt-undiv div-exp
add-sqr-sqrt associate-/r* *-un-lft-identity times-frac add-cube-cbrt
prod-exp cbrt-unprod
pow1 clear-num frac-2neg insert-posit16 div-inv associate-/l* add-log-exp
associate-*r/ associate-/l/
Counts
2 → 49
Calls
2 calls:
17.0ms
(/ (* a c) b)
31.0ms
(/ (* -2 (/ (* a c) b)) a)

series55.0ms

Counts
2 → 6
Calls
2 calls:
32.0ms
(/ (* a c) b)
22.0ms
(/ (* -2 (/ (* a c) b)) a)

simplify1.2s

Counts
55 → 55
Iterations
IterNodes
done2005
32005
21437
1278
099

prune543.0ms

Pruning

21 alts after pruning (20 fresh and 1 done)

Merged error: 3.0b

localize51.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (/ b c) (* (/ b c) (/ b c)))
0.4b
(/ (* (* a a) a) (* (/ b c) (* (/ b c) (/ b c))))
0.5b
(* (/ b c) (/ b c))
0.6b
(cbrt (/ (* (/ (* (* a a) a) (* (/ b c) (* (/ b c) (/ b c)))) -8) (* (* a a) a)))

rewrite328.0ms

Algorithm
rewrite-expression-head
Rules
249×add-cbrt-cube add-exp-log
109×prod-exp cbrt-unprod
89×cbrt-undiv div-exp
55×add-sqr-sqrt
52×times-frac
40×*-un-lft-identity add-cube-cbrt
26×associate-*l*
25×pow1
14×associate-*r*
13×swap-sqr
11×frac-times associate-*r/
associate-*l/ associate-/r/ div-inv
pow-prod-up unswap-sqr
cbrt-prod
pow-prod-down insert-posit16 add-log-exp
pow2 pow-plus pow-sqr *-commutative
cbrt-div clear-num associate-/r* frac-2neg pow1/3 cube-unmult associate-/l*
Counts
4 → 229
Calls
4 calls:
49.0ms
(* (/ b c) (* (/ b c) (/ b c)))
76.0ms
(/ (* (* a a) a) (* (/ b c) (* (/ b c) (/ b c))))
13.0ms
(* (/ b c) (/ b c))
184.0ms
(cbrt (/ (* (/ (* (* a a) a) (* (/ b c) (* (/ b c) (/ b c)))) -8) (* (* a a) a)))

series356.0ms

Counts
4 → 12
Calls
4 calls:
68.0ms
(* (/ b c) (* (/ b c) (/ b c)))
146.0ms
(/ (* (* a a) a) (* (/ b c) (* (/ b c) (/ b c))))
43.0ms
(* (/ b c) (/ b c))
97.0ms
(cbrt (/ (* (/ (* (* a a) a) (* (/ b c) (* (/ b c) (/ b c)))) -8) (* (* a a) a)))

simplify1.2s

Counts
241 → 241
Iterations
IterNodes
done2001
22001
1962
0288

prune3.0s

Pruning

23 alts after pruning (22 fresh and 1 done)

Merged error: 3.0b

regimes997.0ms

Accuracy

0% (3.6b remaining)

Error of 6.3b against oracle of 2.6b and baseline of 6.3b

bsearch0.0ms

simplify1.0ms

Iterations
IterNodes
done8
18
07

end0.0ms

sample6.3s

Algorithm
intervals
Results
1.7s3649×body320valid
1.6s16269×pre80true
1.2s8269×body80nan
839.0ms2924×body160valid
313.0ms497×body640valid
121.0ms930×body80valid