Details

Time bar (total: 13.8s)

sample179.0ms

Algorithm
intervals
Results
46.0ms172×body80valid
35.0ms31×body2560valid
31.0ms35×body1280valid
14.0ms20×body640valid
14.0ms82×body80nan
6.0msbody5120valid
4.0msbody320valid
1.0msbody160valid

simplify108.0ms

Counts
1 → 1
Iterations
IterNodes
done116
5116
4107
382
245
124
014

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.0b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ (- (sqrt (- (* b b) (* (* c a) 4))) b) 2) a)
0.4b
(- (* b b) (* (* c a) 4))
0.9b
(- (sqrt (- (* b b) (* (* c a) 4))) b)
22.2b
(sqrt (- (* b b) (* (* c a) 4)))

rewrite166.0ms

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
insert-posit16
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 → 153
Calls
4 calls:
108.0ms
(/ (/ (- (sqrt (- (* b b) (* (* c a) 4))) b) 2) a)
8.0ms
(- (* b b) (* (* c a) 4))
37.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
7.0ms
(sqrt (- (* b b) (* (* c a) 4)))

series516.0ms

Counts
4 → 12
Calls
4 calls:
167.0ms
(/ (/ (- (sqrt (- (* b b) (* (* c a) 4))) b) 2) a)
92.0ms
(- (* b b) (* (* c a) 4))
137.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
120.0ms
(sqrt (- (* b b) (* (* c a) 4)))

simplify1.6s

Counts
165 → 165
Iterations
IterNodes
done5002
22935
1691
0279

prune701.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 5.9b

localize27.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- (sqrt (- (* b b) (* (* c a) 4))) b) (/ 1/2 a))
0.4b
(- (* b b) (* (* c a) 4))
0.9b
(- (sqrt (- (* b b) (* (* c a) 4))) b)
22.2b
(sqrt (- (* b b) (* (* c a) 4)))

rewrite176.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
17×*-un-lft-identity
13×associate-*r* add-cube-cbrt
10×times-frac
add-cbrt-cube add-exp-log
add-log-exp
pow1
associate-*l*
flip3-- sqrt-prod flip--
insert-posit16 difference-of-squares
frac-times sub-neg sqrt-div diff-log associate-*l/ prod-exp cbrt-unprod distribute-lft-out-- unswap-sqr
cbrt-undiv rem-sqrt-square sqrt-pow1 pow1/2 div-exp pow-prod-down associate-*r/ *-commutative div-inv
Counts
4 → 85
Calls
4 calls:
112.0ms
(* (- (sqrt (- (* b b) (* (* c a) 4))) b) (/ 1/2 a))
7.0ms
(- (* b b) (* (* c a) 4))
46.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
9.0ms
(sqrt (- (* b b) (* (* c a) 4)))

series392.0ms

Counts
4 → 12
Calls
4 calls:
131.0ms
(* (- (sqrt (- (* b b) (* (* c a) 4))) b) (/ 1/2 a))
65.0ms
(- (* b b) (* (* c a) 4))
103.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
92.0ms
(sqrt (- (* b b) (* (* c a) 4)))

simplify1.3s

Counts
97 → 97
Iterations
IterNodes
done5001
22366
1460
0177

prune409.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 5.9b

localize9.0ms

rewrite0.0ms

Algorithm
rewrite-expression-head
Rules
Counts
0 → 0

series0.0ms

Counts
0 → 0

simplify0.0ms

Counts
0 → 0
Iterations
IterNodes
done0
00

prune24.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 5.9b

localize40.0ms

Local error

Found 4 expressions with local error:

16.1b
(- (* (- (* b b) (* (* c a) 4)) (sqrt (- (* b b) (* (* c a) 4)))) (* (* b b) b))
17.2b
(/ (- (* (- (* b b) (* (* c a) 4)) (sqrt (- (* b b) (* (* c a) 4)))) (* (* b b) b)) (+ (+ (- (* b b) (* (* c a) 4)) (* b (sqrt (- (* b b) (* (* c a) 4))))) (* b b)))
22.2b
(sqrt (- (* b b) (* (* c a) 4)))
22.2b
(sqrt (- (* b b) (* (* c a) 4)))

rewrite326.0ms

Algorithm
rewrite-expression-head
Rules
22×add-sqr-sqrt
15×*-un-lft-identity add-cube-cbrt
12×times-frac
10×pow3
pow1 add-cbrt-cube add-exp-log sqrt-prod add-log-exp
difference-cubes
flip3-- sqrt-div insert-posit16 flip-- associate-/l*
associate-/r*
rem-sqrt-square sqrt-pow1 pow1/2 associate-/r/ associate-/l/
cbrt-undiv clear-num sub-neg frac-2neg flip3-+ diff-log div-sub div-exp flip-+ div-inv
Counts
4 → 83
Calls
4 calls:
53.0ms
(- (* (- (* b b) (* (* c a) 4)) (sqrt (- (* b b) (* (* c a) 4)))) (* (* b b) b))
257.0ms
(/ (- (* (- (* b b) (* (* c a) 4)) (sqrt (- (* b b) (* (* c a) 4)))) (* (* b b) b)) (+ (+ (- (* b b) (* (* c a) 4)) (* b (sqrt (- (* b b) (* (* c a) 4))))) (* b b)))
7.0ms
(sqrt (- (* b b) (* (* c a) 4)))
7.0ms
(sqrt (- (* b b) (* (* c a) 4)))

series756.0ms

Counts
4 → 12
Calls
4 calls:
162.0ms
(- (* (- (* b b) (* (* c a) 4)) (sqrt (- (* b b) (* (* c a) 4)))) (* (* b b) b))
416.0ms
(/ (- (* (- (* b b) (* (* c a) 4)) (sqrt (- (* b b) (* (* c a) 4)))) (* (* b b) b)) (+ (+ (- (* b b) (* (* c a) 4)) (* b (sqrt (- (* b b) (* (* c a) 4))))) (* b b)))
97.0ms
(sqrt (- (* b b) (* (* c a) 4)))
81.0ms
(sqrt (- (* b b) (* (* c a) 4)))

simplify2.0s

Counts
95 → 95
Iterations
IterNodes
done5001
23060
1510
0171

prune560.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 5.8b

regimes289.0ms

Accuracy

85.6% (4.1b remaining)

Error of 9.6b against oracle of 5.5b and baseline of 33.9b

bsearch144.0ms

Steps
ItersRangePoint
6
1.6664801848567985e-94
1.3864776888564433e-93
1.3635892865650846e-93
7
-8.18523145413159e+143
-2.8208844788355687e+142
-3.0775171197265305e+143

simplify4.0ms

Iterations
IterNodes
done32
132
026

end0.0ms

sample4.0s

Algorithm
intervals
Results
1.2s1056×body2560valid
1.0s5744×body80valid
632.0ms978×body1280valid
307.0ms2913×body80nan
267.0ms454×body640valid
158.0ms138×body5120valid
140.0ms257×body320valid
26.0ms119×body160valid