Details

Time bar (total: 5.9s)

sample92.0ms

Algorithm
intervals
Results
19.0ms121×body320valid
15.0ms529×pre80true
14.0ms273×body80nan
10.0ms93×body160valid
3.0ms15×body640valid
1.0ms27×body80valid

simplify43.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01217
12117
24116
37616
49016
59816
done9816

prune8.0ms

Filtered
1 candidates to 1 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New011
Fresh101
Picked000
Done000
Total112

Merged error: 53.9b

Counts
2 → 1

localize10.0ms

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)
26.7b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

rewrite31.0ms

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:
4.0ms
(- (* b b) (* (* 3.0 a) c))
11.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
6.0ms
(* (* 3.0 a) c)
8.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

series61.0ms

Counts
4 → 12
Calls
4 calls:
10.0ms
(- (* b b) (* (* 3.0 a) c))
28.0ms
(/ (- (sqrt (- (* b b) (* (* 3.0 a) c))) b) (* 3.0 a))
4.0ms
(* (* 3.0 a) c)
19.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)

simplify590.0ms

Counts
87 → 87
Iterations

Useful iterations: done (588.0ms)

IterNodesCost
01541460
14061392
217061236
done50001224

prune187.0ms

Filtered
60 candidates to 87 candidates (-45.0%)
Pruning

10 alts after pruning (10 fresh and 0 done)

PrunedKeptTotal
New771087
Fresh000
Picked101
Done000
Total781088

Merged error: 2.3b

Counts
88 → 10

localize4.0ms

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

prune36.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

PrunedKeptTotal
New000
Fresh099
Picked011
Done000
Total01010

Merged error: 2.3b

Counts
10 → 10

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))

rewrite27.0ms

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:
5.0ms
(/ (* a c) b)
7.0ms
(* -1.5 (/ (* a c) b))
10.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

series17.0ms

Counts
3 → 9
Calls
3 calls:
5.0ms
(/ (* a c) b)
6.0ms
(* -1.5 (/ (* a c) b))
5.0ms
(/ (* -1.5 (/ (* a c) b)) (* 3.0 a))

simplify733.0ms

Counts
87 → 87
Iterations

Useful iterations: done (726.0ms)

IterNodesCost
01231086
13881077
22169822
done5000761

prune137.0ms

Filtered
48 candidates to 87 candidates (-81.3%)
Pruning

16 alts after pruning (15 fresh and 1 done)

PrunedKeptTotal
New80787
Fresh088
Picked101
Done011
Total811697

Merged error: 2.2b

Counts
97 → 16

localize8.0ms

Local error

Found 3 expressions with local error:

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

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
49×add-exp-log add-cbrt-cube
21×prod-exp cbrt-unprod
17×add-sqr-sqrt
14×associate-*r*
12×cbrt-undiv add-cube-cbrt *-un-lft-identity div-exp
11×times-frac
10×pow1
associate-*l*
associate-*r/
pow-prod-down
add-log-exp
*-commutative div-inv unswap-sqr
frac-2neg clear-num associate-/r* associate-/l/ associate-/l*
Counts
3 → 83
Calls
3 calls:
7.0ms
(* -1.5 (* a (/ c b)))
7.0ms
(* a (/ c b))
11.0ms
(/ (* -1.5 (* a (/ c b))) (* 3.0 a))

series17.0ms

Counts
3 → 9
Calls
3 calls:
6.0ms
(* -1.5 (* a (/ c b)))
5.0ms
(* a (/ c b))
5.0ms
(/ (* -1.5 (* a (/ c b))) (* 3.0 a))

simplify702.0ms

Counts
92 → 92
Iterations

Useful iterations: done (699.0ms)

IterNodesCost
01391118
14241098
22380849
done5000811

prune77.0ms

Filtered
57 candidates to 92 candidates (-61.4%)
Pruning

18 alts after pruning (17 fresh and 1 done)

PrunedKeptTotal
New89392
Fresh01414
Picked101
Done011
Total9018108

Merged error: 2.2b

Counts
108 → 18

regimes445.0ms

Accuracy

0% (3.5b remaining)

Error of 6.2b against oracle of 2.7b and baseline of 6.2b

bsearch0.0ms

simplify1.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
055
165
done65

end0.0ms

sample2.6s

Algorithm
intervals
Results
576.0ms3643×body320valid
475.0ms16128×pre80true
457.0ms8128×body80nan
311.0ms2951×body160valid
102.0ms498×body640valid
52.0ms908×body80valid

Profiling

Loading profile data...