Details

Time bar (total: 5.7s)

sample53.0ms

Algorithm
intervals
Results
11.0ms119×body320valid
9.0ms493×pre80true
7.0ms237×body80nan
6.0ms95×body160valid
2.0ms17×body640valid
1.0ms25×body80valid

simplify51.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01217
12117
24116
37516
48716
59516
done9516

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 53.6b

localize10.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* b b) (* (* 3.0 a) c))
0.2b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
0.3b
(* (* 3.0 a) c)
27.6b
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
14×add-exp-log add-cbrt-cube
10×add-log-exp
pow1
add-sqr-sqrt add-cube-cbrt
distribute-lft-out
times-frac associate-/l*
prod-exp cbrt-unprod
distribute-rgt-neg-in associate-*r* pow-prod-down
cbrt-undiv neg-sub0 associate-+l- flip3-+ div-exp sum-log flip-+ associate-/l/
+-commutative sub-neg flip3-- frac-2neg diff-log div-sub associate-*l* neg-log clear-num associate-/r* *-commutative flip-- div-inv
Counts
4 → 73
Calls
4 calls:
3.0ms
(- (* b b) (* (* 3.0 a) c))
36.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
6.0ms
(* (* 3.0 a) c)
14.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

series258.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(- (* b b) (* (* 3.0 a) c))
110.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
20.0ms
(* (* 3.0 a) c)
82.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))

simplify916.0ms

Counts
85 → 85
Iterations

Useful iterations: done (914.0ms)

IterNodesCost
01541437
14171361
216191139
done50001138

prune231.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 2.4b

localize3.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify1.0ms

Counts
0 → 0
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
000
done00

prune26.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 2.4b

localize8.0ms

Local error

Found 3 expressions with local error:

0.2b
(/ (* a c) b)
0.3b
(* -1.5 (/ (* a c) b))
0.4b
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
49×add-exp-log add-cbrt-cube
17×prod-exp cbrt-unprod
16×cbrt-undiv div-exp
10×add-sqr-sqrt
add-cube-cbrt *-un-lft-identity
times-frac associate-*r*
pow1
associate-/r*
associate-*l* div-inv add-log-exp
frac-2neg associate-*r/ clear-num associate-/l*
pow-prod-down *-commutative associate-/l/ unswap-sqr
Counts
3 → 78
Calls
3 calls:
3.0ms
(/ (* a c) b)
8.0ms
(* -1.5 (/ (* a c) b))
9.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

series71.0ms

Counts
3 → 9
Calls
3 calls:
19.0ms
(/ (* a c) b)
31.0ms
(* -1.5 (/ (* a c) b))
21.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

simplify765.0ms

Counts
87 → 87
Iterations

Useful iterations: 2 (192.0ms)

IterNodesCost
01231086
13771045
21876761
done5000761

prune165.0ms

Pruning

21 alts after pruning (20 fresh and 1 done)

Merged error: 2.3b

localize9.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* a c) b)
0.3b
(/ 1 (* 3.0 a))
0.3b
(* -1.5 (/ (* a c) b))
0.3b
(* (* -1.5 (/ (* a c) b)) (/ 1 (* 3.0 a)))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
147×add-exp-log
77×add-cbrt-cube
76×prod-exp
38×div-exp
34×cbrt-unprod
20×cbrt-undiv
15×add-sqr-sqrt
14×pow1 associate-*r*
13×add-cube-cbrt *-un-lft-identity
12×times-frac
10×rec-exp 1-exp
pow-prod-down
associate-*r/ associate-*l* associate-/r* div-inv associate-/l* add-log-exp
pow-flip frac-2neg clear-num *-commutative
frac-times associate-*l/ un-div-inv inv-pow unswap-sqr
Counts
4 → 138
Calls
4 calls:
3.0ms
(/ (* a c) b)
4.0ms
(/ 1 (* 3.0 a))
8.0ms
(* -1.5 (/ (* a c) b))
30.0ms
(* (* -1.5 (/ (* a c) b)) (/ 1 (* 3.0 a)))

series88.0ms

Counts
4 → 12
Calls
4 calls:
19.0ms
(/ (* a c) b)
16.0ms
(/ 1 (* 3.0 a))
31.0ms
(* -1.5 (/ (* a c) b))
21.0ms
(* (* -1.5 (/ (* a c) b)) (/ 1 (* 3.0 a)))

simplify886.0ms

Counts
150 → 150
Iterations

Useful iterations: 2 (253.0ms)

IterNodesCost
01841978
15691708
219161272
done50001272

prune180.0ms

Pruning

23 alts after pruning (21 fresh and 2 done)

Merged error: 2.3b

regimes306.0ms

Accuracy

0% (3.6b remaining)

Error of 6.2b against oracle of 2.6b and baseline of 6.2b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
055
165
done65

end0.0ms

sample1.5s

Algorithm
intervals
Results
355.0ms3627×body320valid
297.0ms16113×pre80true
257.0ms8113×body80nan
193.0ms2959×body160valid
64.0ms498×body640valid
30.0ms916×body80valid