Details

Time bar (total: 5.2s)

sample52.0ms

Algorithm
intervals
Results
13.0ms136×body320valid
9.0ms487×pre80true
7.0ms231×body80nan
6.0ms88×body160valid
1.0ms10×body640valid
1.0ms22×body80valid

simplify43.0ms

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: 53.9b

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* b b) (* (* 3.0 a) c))
0.2b
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
0.3b
(* (* 3.0 a) c)
26.0b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

rewrite66.0ms

Algorithm
rewrite-expression-head
Rules
19×add-sqr-sqrt
14×add-exp-log add-cbrt-cube
13×*-un-lft-identity
pow1
add-log-exp
add-cube-cbrt
times-frac associate-/l* difference-of-squares
prod-exp cbrt-unprod
flip3-- associate-*r* pow-prod-down sqrt-prod flip-- distribute-lft-out--
cbrt-undiv sub-neg diff-log div-exp associate-/l/
frac-2neg div-sub associate-*l* clear-num associate-/r* *-commutative div-inv
Counts
4 → 75
Calls
4 calls:
2.0ms
(- (* b b) (* (* 3.0 a) c))
35.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
6.0ms
(* (* 3.0 a) c)
20.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

series247.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(- (* b b) (* (* 3.0 a) c))
103.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
19.0ms
(* (* 3.0 a) c)
79.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

simplify820.0ms

Counts
87 → 87
Iterations

Useful iterations: done (818.0ms)

IterNodesCost
01551464
14021392
215731226
done50001225

prune221.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 2.5b

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

prune24.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 2.5b

localize7.0ms

Local error

Found 3 expressions with local error:

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

rewrite22.0ms

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))
8.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

series68.0ms

Counts
3 → 9
Calls
3 calls:
18.0ms
(/ (* a c) b)
30.0ms
(* -1.5 (/ (* a c) b))
20.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

simplify528.0ms

Counts
87 → 87
Iterations

Useful iterations: 2 (157.0ms)

IterNodesCost
01231086
13771045
21876761
done5000761

prune151.0ms

Pruning

19 alts after pruning (18 fresh and 1 done)

Merged error: 2.5b

localize7.0ms

Local error

Found 4 expressions with local error:

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

rewrite37.0ms

Algorithm
rewrite-expression-head
Rules
70×times-frac
52×add-exp-log add-cbrt-cube
44×add-sqr-sqrt
39×add-cube-cbrt *-un-lft-identity
26×associate-*r*
22×cbrt-undiv div-exp
12×prod-exp cbrt-unprod
11×associate-/r* div-inv
associate-/l*
pow1
add-log-exp
frac-2neg associate-*l* clear-num associate-/r/
associate-*r/ unswap-sqr
pow-prod-down *-commutative
Counts
4 → 146
Calls
4 calls:
9.0ms
(/ -1.5 (* 3.0 (/ a (/ (* a c) b))))
4.0ms
(/ a (/ (* a c) b))
3.0ms
(/ (* a c) b)
15.0ms
(* 3.0 (/ a (/ (* a c) b)))

series70.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(/ -1.5 (* 3.0 (/ a (/ (* a c) b))))
8.0ms
(/ a (/ (* a c) b))
19.0ms
(/ (* a c) b)
23.0ms
(* 3.0 (/ a (/ (* a c) b)))

simplify682.0ms

Counts
158 → 158
Iterations

Useful iterations: done (678.0ms)

IterNodesCost
02101957
15501871
219861325
done50011323

prune288.0ms

Pruning

24 alts after pruning (23 fresh and 1 done)

Merged error: 2.5b

regimes314.0ms

Accuracy

0% (3.6b remaining)

Error of 6.3b against oracle of 2.7b and baseline of 6.3b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
055
165
done65

end0.0ms

sample1.5s

Algorithm
intervals
Results
354.0ms3624×body320valid
295.0ms16060×pre80true
253.0ms8060×body80nan
188.0ms2912×body160valid
68.0ms533×body640valid
31.0ms931×body80valid