Details

Time bar (total: 14.4s)

sample144.0ms

Algorithm
intervals
Results
40.0ms559×pre80true
26.0ms159×body160valid
26.0ms303×body80nan
11.0ms44×body320valid
4.0ms53×body80valid

simplify87.0ms

Counts
1 → 1
Iterations
IterNodes
done111
5111
4102
378
244
124
014

prune17.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 43.9b

localize33.0ms

Local error

Found 4 expressions with local error:

0.1b
(sqrt (- (* b b) (* (* c a) 4.0)))
0.2b
(/ (/ (- (sqrt (- (* b b) (* (* c a) 4.0))) b) 2.0) a)
0.2b
(- (* b b) (* (* c a) 4.0))
38.3b
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)

rewrite512.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
121×add-sqr-sqrt
94×*-un-lft-identity
68×add-cube-cbrt
26×difference-of-squares
22×associate-/l*
16×sqrt-prod
13×distribute-lft-out--
add-cbrt-cube add-exp-log
add-log-exp
pow1 div-inv
cbrt-undiv associate-/r* flip3-- div-exp flip--
sub-neg sqrt-div diff-log div-sub
rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 associate-/l/
Counts
4 → 149
Calls
4 calls:
16.0ms
(sqrt (- (* b b) (* (* c a) 4.0)))
78.0ms
(/ (/ (- (sqrt (- (* b b) (* (* c a) 4.0))) b) 2.0) a)
362.0ms
(- (* b b) (* (* c a) 4.0))
43.0ms
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)

series463.0ms

Counts
4 → 12
Calls
4 calls:
118.0ms
(sqrt (- (* b b) (* (* c a) 4.0)))
171.0ms
(/ (/ (- (sqrt (- (* b b) (* (* c a) 4.0))) b) 2.0) a)
65.0ms
(- (* b b) (* (* c a) 4.0))
109.0ms
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)

simplify1.9s

Counts
161 → 161
Iterations
IterNodes
done5001
23070
1693
0280

prune1.0s

Pruning

15 alts after pruning (15 fresh and 0 done)

Merged error: 5.4b

localize12.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
done0
00

prune90.0ms

Pruning

15 alts after pruning (14 fresh and 1 done)

Merged error: 5.4b

localize26.0ms

Local error

Found 2 expressions with local error:

0.2b
(/ (/ (* -2.0 (/ (* a c) b)) 2.0) a)
0.3b
(/ (* a c) b)

rewrite29.0ms

Algorithm
rewrite-expression-head
Rules
36×times-frac
27×add-cbrt-cube add-exp-log
20×add-sqr-sqrt *-un-lft-identity add-cube-cbrt
13×cbrt-undiv div-exp
associate-/l*
associate-/r* div-inv
prod-exp cbrt-unprod
pow1 clear-num frac-2neg add-log-exp
associate-/l/
Counts
2 → 73
Calls
2 calls:
19.0ms
(/ (/ (* -2.0 (/ (* a c) b)) 2.0) a)
7.0ms
(/ (* a c) b)

series63.0ms

Counts
2 → 6
Calls
2 calls:
41.0ms
(/ (/ (* -2.0 (/ (* a c) b)) 2.0) a)
22.0ms
(/ (* a c) b)

simplify1.7s

Counts
79 → 79
Iterations
IterNodes
done5000
23008
1464
0167

prune568.0ms

Pruning

24 alts after pruning (23 fresh and 1 done)

Merged error: 5.3b

localize43.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (/ (* -2.0 (* (sqrt (/ (* a c) b)) (sqrt (/ (* a c) b)))) 2.0) a)
0.3b
(/ (* a c) b)
0.3b
(/ (* a c) b)
0.5b
(* (sqrt (/ (* a c) b)) (sqrt (/ (* a c) b)))

rewrite185.0ms

Algorithm
rewrite-expression-head
Rules
51×times-frac
48×add-sqr-sqrt
36×*-un-lft-identity add-cube-cbrt
34×sqrt-prod
30×add-cbrt-cube add-exp-log
19×pow1
12×swap-sqr
11×cbrt-undiv div-exp div-inv
10×associate-*r* associate-*l*
associate-/r* associate-/l*
sqrt-pow1 pow1/2
prod-exp cbrt-unprod
pow-prod-up
sqrt-div add-log-exp unswap-sqr
clear-num frac-2neg pow-prod-down pow-sqr
pow2 frac-times rem-square-sqrt pow-plus sqrt-unprod associate-*l/ associate-*r/ *-commutative associate-/l/
Counts
4 → 156
Calls
4 calls:
90.0ms
(/ (/ (* -2.0 (* (sqrt (/ (* a c) b)) (sqrt (/ (* a c) b)))) 2.0) a)
20.0ms
(/ (* a c) b)
14.0ms
(/ (* a c) b)
51.0ms
(* (sqrt (/ (* a c) b)) (sqrt (/ (* a c) b)))

series218.0ms

Counts
4 → 12
Calls
4 calls:
59.0ms
(/ (/ (* -2.0 (* (sqrt (/ (* a c) b)) (sqrt (/ (* a c) b)))) 2.0) a)
35.0ms
(/ (* a c) b)
31.0ms
(/ (* a c) b)
93.0ms
(* (sqrt (/ (* a c) b)) (sqrt (/ (* a c) b)))

simplify1.7s

Counts
168 → 168
Iterations
IterNodes
done5000
23671
1577
0231

prune763.0ms

Pruning

30 alts after pruning (28 fresh and 2 done)

Merged error: 5.3b

regimes917.0ms

Accuracy

8.2% (6.4b remaining)

Error of 11.4b against oracle of 5.0b and baseline of 12.0b

bsearch47.0ms

Steps
ItersRangePoint
4
6.789181744096528e-08
1.2662217397802895e-07
6.961131476357277e-08

simplify5.0ms

Iterations
IterNodes
done32
132
026

end0.0ms

sample3.8s

Algorithm
intervals
Results
1.1s8177×body80nan
945.0ms4796×body160valid
704.0ms16177×pre80true
428.0ms1358×body320valid
135.0ms1846×body80valid