Details

Time bar (total: 16.1s)

sample68.0ms

Algorithm
intervals
Results
13.0ms204×body80valid
12.0ms29×body2560valid
10.0ms31×body1280valid
7.0ms106×body80nan
2.0msbody640valid
2.0msbody320valid
1.0msbody5120valid
0.0msbody160valid

simplify87.0ms

Counts
1 → 1
Iterations
IterNodes
done98
798
697
595
487
372
242
124
014

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.9b

localize26.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (- (sqrt (- (* b b) (* (* c a) 4.0))) b) a)
0.8b
(- (* b b) (* (* c a) 4.0))
0.8b
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)
24.3b
(sqrt (- (* b b) (* (* c a) 4.0)))

rewrite155.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×*-un-lft-identity
18×times-frac
16×add-cube-cbrt
10×difference-of-squares
sqrt-prod add-log-exp
add-cbrt-cube add-exp-log associate-/l*
pow1 distribute-lft-out--
flip3-- flip--
associate-/r*
sub-neg sqrt-div diff-log associate-/l/
cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-sub div-exp div-inv
Counts
4 → 84
Calls
4 calls:
85.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4.0))) b) a)
6.0ms
(- (* b b) (* (* c a) 4.0))
45.0ms
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)
14.0ms
(sqrt (- (* b b) (* (* c a) 4.0)))

series423.0ms

Counts
4 → 12
Calls
4 calls:
137.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4.0))) b) a)
62.0ms
(- (* b b) (* (* c a) 4.0))
123.0ms
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)
101.0ms
(sqrt (- (* b b) (* (* c a) 4.0)))

simplify1.3s

Counts
96 → 96
Iterations
IterNodes
done5000
21163
1390
0158

prune512.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 8.0b

localize42.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ a (- (sqrt (- (* b b) (* (* c a) 4.0))) b))
0.8b
(- (* b b) (* (* c a) 4.0))
0.8b
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)
24.3b
(sqrt (- (* b b) (* (* c a) 4.0)))

rewrite125.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×*-un-lft-identity
18×times-frac
16×add-cube-cbrt
10×difference-of-squares
sqrt-prod add-log-exp
associate-/r* add-cbrt-cube add-exp-log
pow1 distribute-lft-out--
flip3-- flip--
associate-/l*
sub-neg sqrt-div diff-log associate-/r/
cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-exp div-inv
Counts
4 → 83
Calls
4 calls:
45.0ms
(/ a (- (sqrt (- (* b b) (* (* c a) 4.0))) b))
6.0ms
(- (* b b) (* (* c a) 4.0))
57.0ms
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)
12.0ms
(sqrt (- (* b b) (* (* c a) 4.0)))

series555.0ms

Counts
4 → 12
Calls
4 calls:
270.0ms
(/ a (- (sqrt (- (* b b) (* (* c a) 4.0))) b))
81.0ms
(- (* b b) (* (* c a) 4.0))
115.0ms
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)
88.0ms
(sqrt (- (* b b) (* (* c a) 4.0)))

simplify2.7s

Counts
95 → 95
Iterations
IterNodes
done5000
33954
21038
1347
0153

prune634.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 7.9b

localize32.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (- (sqrt (- (* b b) (* (* c a) 4.0))) b) (/ 1 a))
0.8b
(- (* b b) (* (* c a) 4.0))
0.8b
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)
24.3b
(sqrt (- (* b b) (* (* c a) 4.0)))

rewrite297.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
18×*-un-lft-identity
13×associate-*r* add-exp-log add-cube-cbrt
11×times-frac
add-cbrt-cube
add-log-exp
pow1
associate-*l*
flip3-- sqrt-prod flip--
prod-exp difference-of-squares
unswap-sqr
frac-times sub-neg sqrt-div diff-log div-exp associate-*l/ cbrt-unprod distribute-lft-out--
cbrt-undiv rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp pow-prod-down associate-*r/ un-div-inv *-commutative div-inv
Counts
4 → 85
Calls
4 calls:
216.0ms
(* (- (sqrt (- (* b b) (* (* c a) 4.0))) b) (/ 1 a))
13.0ms
(- (* b b) (* (* c a) 4.0))
53.0ms
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)
10.0ms
(sqrt (- (* b b) (* (* c a) 4.0)))

series480.0ms

Counts
4 → 12
Calls
4 calls:
158.0ms
(* (- (sqrt (- (* b b) (* (* c a) 4.0))) b) (/ 1 a))
74.0ms
(- (* b b) (* (* c a) 4.0))
121.0ms
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)
126.0ms
(sqrt (- (* b b) (* (* c a) 4.0)))

simplify1.6s

Counts
97 → 97
Iterations
IterNodes
done5001
21389
1455
0178

prune640.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 7.9b

localize31.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (- (sqrt (- (* b b) (* (* c a) 4.0))) b) a)
0.8b
(- (* b b) (* (* c a) 4.0))
0.8b
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)
24.3b
(sqrt (- (* b b) (* (* c a) 4.0)))

rewrite175.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×*-un-lft-identity
18×times-frac
16×add-cube-cbrt
10×difference-of-squares
sqrt-prod add-log-exp
add-cbrt-cube add-exp-log associate-/l*
pow1 distribute-lft-out--
flip3-- flip--
associate-/r*
sub-neg sqrt-div diff-log associate-/l/
cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-sub div-exp div-inv
Counts
4 → 84
Calls
4 calls:
90.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4.0))) b) a)
11.0ms
(- (* b b) (* (* c a) 4.0))
64.0ms
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)
7.0ms
(sqrt (- (* b b) (* (* c a) 4.0)))

series453.0ms

Counts
4 → 12
Calls
4 calls:
158.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4.0))) b) a)
85.0ms
(- (* b b) (* (* c a) 4.0))
119.0ms
(- (sqrt (- (* b b) (* (* c a) 4.0))) b)
90.0ms
(sqrt (- (* b b) (* (* c a) 4.0)))

simplify1.3s

Counts
96 → 96
Iterations
IterNodes
done5000
21163
1390
0158

prune503.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 7.9b

regimes482.0ms

Accuracy

84.3% (4.5b remaining)

Error of 10.2b against oracle of 5.7b and baseline of 34.4b

bsearch165.0ms

Steps
ItersRangePoint
8
1.5119020269574885e-23
1.8921341643334238e-20
9.136492990928292e-23
6
-1.7989235910837076e+89
-1.4585470499056154e+88
-1.7633154797394035e+89

simplify5.0ms

Iterations
IterNodes
done34
134
029

end0.0ms

sample3.2s

Algorithm
intervals
Results
928.0ms902×body1280valid
595.0ms1057×body2560valid
526.0ms5865×body80valid
453.0ms2875×body80nan
182.0ms434×body640valid
72.0ms124×body5120valid
48.0ms224×body320valid
17.0ms112×body160valid