Details

Time bar (total: 19.0s)

sample149.0ms

Algorithm
intervals
Results
42.0ms32×body1280valid
33.0ms40×body2560valid
29.0ms187×body80valid
13.0ms96×body80nan
5.0msbody640valid
3.0msbody5120valid
2.0msbody320valid
1.0msbody160valid

simplify114.0ms

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

prune27.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 31.1b

localize31.0ms

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)))

rewrite133.0ms

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:
68.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
43.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
15.0ms
(- (* b b) (* (* c a) 4))
7.0ms
(sqrt (- (* b b) (* (* c a) 4)))

series402.0ms

Counts
4 → 12
Calls
4 calls:
139.0ms
(/ (- (sqrt (- (* b b) (* (* c a) 4))) b) a)
97.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
68.0ms
(- (* b b) (* (* c a) 4))
98.0ms
(sqrt (- (* b b) (* (* c a) 4)))

simplify1.9s

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

localize50.0ms

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)))

rewrite223.0ms

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:
149.0ms
(* (- (sqrt (- (* b b) (* (* c a) 4))) b) (/ 1 a))
38.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
19.0ms
(- (* b b) (* (* c a) 4))
13.0ms
(sqrt (- (* b b) (* (* c a) 4)))

series401.0ms

Counts
4 → 12
Calls
4 calls:
121.0ms
(* (- (sqrt (- (* b b) (* (* c a) 4))) b) (/ 1 a))
120.0ms
(- (sqrt (- (* b b) (* (* c a) 4))) b)
69.0ms
(- (* b b) (* (* c a) 4))
92.0ms
(sqrt (- (* b b) (* (* c a) 4)))

simplify4.2s

Counts
97 → 97
Iterations
IterNodes
34852
21520
1458
0177

prune897.0ms

Pruning

12 alts after pruning (11 fresh and 1 done)

Merged error: 4.5b

localize35.0ms

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)))

rewrite69.0ms

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:
12.0ms
(/ (sqrt (- (* b b) (* (* c a) 4))) a)
11.0ms
(- (* b b) (* (* c a) 4))
34.0ms
(- (/ (sqrt (- (* b b) (* (* c a) 4))) a) (/ b a))
10.0ms
(sqrt (- (* b b) (* (* c a) 4)))

series370.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(/ (sqrt (- (* b b) (* (* c a) 4))) a)
58.0ms
(- (* b b) (* (* c a) 4))
115.0ms
(- (/ (sqrt (- (* b b) (* (* c a) 4))) a) (/ b a))
73.0ms
(sqrt (- (* b b) (* (* c a) 4)))

simplify1.0s

Counts
105 → 105
Iterations
IterNodes
33208
21089
1407
0175

prune979.0ms

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)))

rewrite58.0ms

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)
8.0ms
(- (* b b) (* (* c a) 4))
36.0ms
(- (/ (sqrt (- (* b b) (* (* c a) 4))) (cbrt a)) (/ b (cbrt a)))
12.0ms
(sqrt (- (* b b) (* (* c a) 4)))

series688.0ms

Counts
4 → 12
Calls
4 calls:
226.0ms
(cbrt a)
59.0ms
(- (* b b) (* (* c a) 4))
318.0ms
(- (/ (sqrt (- (* b b) (* (* c a) 4))) (cbrt a)) (/ b (cbrt a)))
84.0ms
(sqrt (- (* b b) (* (* c a) 4)))

simplify1.1s

Counts
87 → 87
Iterations
IterNodes
34103
21215
1410
0171

prune838.0ms

Pruning

14 alts after pruning (13 fresh and 1 done)

Merged error: 4.5b

regimes337.0ms

Accuracy

85.4% (4.1b remaining)

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

bsearch160.0ms

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

sample3.5s

Algorithm
intervals
Results
996.0ms5910×body80valid
956.0ms1086×body2560valid
531.0ms918×body1280valid
387.0ms2909×body80nan
174.0ms434×body640valid
103.0ms119×body5120valid
57.0ms216×body320valid
20.0ms109×body160valid