Details

Time bar (total: 22.9s)

sample97.0ms

Algorithm
intervals
Results
30.0ms187×body80valid
22.0ms40×body2560valid
14.0ms32×body1280valid
8.0ms96×body80nan
4.0msbody640valid
1.0msbody320valid
1.0msbody5120valid
0.0msbody160valid

simplify132.0ms

Counts
1 → 1
Iterations
IterNodes
898
798
697
595
487
370
243
124
014

prune26.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 31.1b

localize46.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
1.1b
(- (sqrt (- (* b b) (* (* c a) 4))) b)
1.2b
(- (* b b) (* (* c a) 4))
20.1b
(sqrt (- (* b b) (* (* c a) 4)))

rewrite118.0ms

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:
67.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
37.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
6.0ms
(- (* b b) (* (* c a) 4))
6.0ms
(sqrt (- (* b b) (* (* c a) 4)))

series496.0ms

Counts
4 → 12
Calls
4 calls:
157.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
131.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
86.0ms
(- (* b b) (* (* c a) 4))
123.0ms
(sqrt (- (* b b) (* (* c a) 4)))

simplify1.8s

Counts
96 → 96
Iterations
IterNodes
33774
21119
1396
0157

prune1.2s

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 4.5b

localize25.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (sqrt (- (* b b) (* (* c a) 4))) b) (/ 1 a))
1.1b
(- (sqrt (- (* b b) (* (* c a) 4))) b)
1.2b
(- (* b b) (* (* c a) 4))
20.1b
(sqrt (- (* b b) (* (* c a) 4)))

rewrite182.0ms

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:
114.0ms
(* (- (sqrt (- (* b b) (* (* c a) 4))) b) (/ 1 a))
43.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
13.0ms
(- (* b b) (* (* c a) 4))
10.0ms
(sqrt (- (* b b) (* (* c a) 4)))

series445.0ms

Counts
4 → 12
Calls
4 calls:
167.0ms
(* (- (sqrt (- (* b b) (* (* c a) 4))) b) (/ 1 a))
106.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
70.0ms
(- (* b b) (* (* c a) 4))
101.0ms
(sqrt (- (* b b) (* (* c a) 4)))

simplify4.6s

Counts
97 → 97
Iterations
IterNodes
34852
21520
1458
0177

prune1.5s

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 4.5b

localize50.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (- (* b b) (* (* c a) 4))) a)
1.2b
(- (* b b) (* (* c a) 4))
6.8b
(- (/ (sqrt (- (* b b) (* (* c a) 4))) a) (/ b a))
20.1b
(sqrt (- (* b b) (* (* c a) 4)))

rewrite114.0ms

Algorithm
rewrite-expression-head
Rules
42×add-sqr-sqrt
31×times-frac
30×*-un-lft-identity
22×add-cube-cbrt
17×sqrt-prod
add-log-exp
add-cbrt-cube add-exp-log associate-/l* difference-of-squares
pow1
flip3-- sqrt-div flip-- distribute-lft-out--
associate-/r* div-inv
sub-neg diff-log associate-/l/
cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 distribute-rgt-out-- pow1/2 div-exp frac-sub sub-div
Counts
4 → 93
Calls
4 calls:
22.0ms
(/ (sqrt (- (* b b) (* (* c a) 4))) a)
12.0ms
(- (* b b) (* (* c a) 4))
65.0ms
(- (/ (sqrt (- (* b b) (* (* c a) 4))) a) (/ b a))
12.0ms
(sqrt (- (* b b) (* (* c a) 4)))

series446.0ms

Counts
4 → 12
Calls
4 calls:
153.0ms
(/ (sqrt (- (* b b) (* (* c a) 4))) a)
60.0ms
(- (* b b) (* (* c a) 4))
134.0ms
(- (/ (sqrt (- (* b b) (* (* c a) 4))) a) (/ b a))
100.0ms
(sqrt (- (* b b) (* (* c a) 4)))

simplify1.4s

Counts
105 → 105
Iterations
IterNodes
33208
21089
1407
0175

prune1.2s

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 4.5b

localize61.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt a)
1.2b
(- (* b b) (* (* c a) 4))
2.8b
(- (/ (sqrt (- (* b b) (* (* c a) 4))) (cbrt a)) (/ b (cbrt a)))
20.1b
(sqrt (- (* b b) (* (* c a) 4)))

rewrite61.0ms

Algorithm
rewrite-expression-head
Rules
63×add-sqr-sqrt
34×times-frac
24×*-un-lft-identity
20×cbrt-prod
15×difference-of-squares
10×add-cube-cbrt
sqrt-prod
add-log-exp
distribute-lft-out--
pow1
add-cbrt-cube add-exp-log
flip3-- flip--
sub-neg sqrt-div diff-log div-inv
rem-sqrt-square sqrt-pow1 distribute-rgt-out-- pow1/2 pow1/3 frac-sub sub-div
Counts
4 → 75
Calls
4 calls:
1.0ms
(cbrt a)
6.0ms
(- (* b b) (* (* c a) 4))
40.0ms
(- (/ (sqrt (- (* b b) (* (* c a) 4))) (cbrt a)) (/ b (cbrt a)))
13.0ms
(sqrt (- (* b b) (* (* c a) 4)))

series826.0ms

Counts
4 → 12
Calls
4 calls:
274.0ms
(cbrt a)
61.0ms
(- (* b b) (* (* c a) 4))
378.0ms
(- (/ (sqrt (- (* b b) (* (* c a) 4))) (cbrt a)) (/ b (cbrt a)))
114.0ms
(sqrt (- (* b b) (* (* c a) 4)))

simplify1.7s

Counts
87 → 87
Iterations
IterNodes
34103
21215
1410
0171

prune1.2s

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 4.5b

regimes484.0ms

Accuracy

85.4% (4.1b remaining)

Error of 9.7b against oracle of 5.6b and baseline of 33.5b

bsearch231.0ms

Steps
ItersRangePoint
8
1.248337945535211e-66
3.048951962881303e-62
3.0168583404714427e-66
8
-5.208994295225817e+99
-1.4013492266633723e+97
-4.170773079316174e+99

simplify5.0ms

Iterations
IterNodes
231
131
027

end0.0ms

sample4.4s

Algorithm
intervals
Results
1.5s1086×body2560valid
961.0ms5910×body80valid
680.0ms918×body1280valid
487.0ms2909×body80nan
243.0ms434×body640valid
145.0ms119×body5120valid
114.0ms216×body320valid
28.0ms109×body160valid