Details

Time bar (total: 5.8s)

sample40.0ms

Algorithm
intervals
Results
8.0ms197×body80valid
6.0ms28×body2560valid
6.0ms31×body1280valid
3.0ms77×body80nan
2.0ms11×body640valid
1.0msbody320valid
0.0msbody160valid

simplify10.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
0249
1459
2799
3979
41059
51059
done1059

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.8b

localize11.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
0.7b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
1.2b
(- (* b b) (* (* 4.0 a) c))
22.7b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite106.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
distribute-rgt-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 70
Calls
4 calls:
64.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
21.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
10.0ms
(- (* b b) (* (* 4.0 a) c))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series312.0ms

Counts
4 → 12
Calls
4 calls:
108.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
83.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
46.0ms
(- (* b b) (* (* 4.0 a) c))
74.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify44.0ms

Counts
82 → 82
Iterations

Useful iterations: 2 (37.0ms)

IterNodesCost
0405779
11563685
25001674
done5001674

prune326.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 7.1b

localize20.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (* b b) (* (* 4.0 a) c))
3.8b
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
11.4b
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
22.7b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite196.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
80×add-sqr-sqrt
79×*-un-lft-identity
39×add-cube-cbrt
30×associate-/l*
20×distribute-lft-out-- difference-of-squares
18×add-exp-log add-cbrt-cube
13×sqrt-prod
10×distribute-rgt-neg-in
associate-/r*
cbrt-undiv div-exp
associate-/r/ add-log-exp
pow1 flip3-- flip--
div-inv
associate-/l/
frac-2neg sqrt-div prod-exp clear-num cbrt-unprod
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 148
Calls
4 calls:
8.0ms
(- (* b b) (* (* 4.0 a) c))
84.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
88.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
10.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series492.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(- (* b b) (* (* 4.0 a) c))
152.0ms
(/ (/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
221.0ms
(/ (+ 0 (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
74.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify104.0ms

Counts
160 → 160
Iterations

Useful iterations: 2 (85.0ms)

IterNodesCost
06402579
131552333
250012320
done50012320

prune478.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 7.0b

localize18.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (* b b) (* (* 4.0 a) c))
3.8b
(/ (* 1 (/ 4.0 (/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* a c)))) (* 2.0 a))
11.7b
(/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* a c))
22.7b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite130.0ms

Algorithm
rewrite-expression-head
Rules
86×add-exp-log
54×add-cbrt-cube
40×div-exp
30×prod-exp
22×cbrt-undiv
16×add-sqr-sqrt cbrt-unprod
15×*-un-lft-identity
times-frac 1-exp associate-/l*
add-cube-cbrt
add-log-exp
pow1 sqrt-prod
distribute-lft-out-- difference-of-squares
flip3-- flip-- associate-/l/
distribute-rgt-neg-in frac-2neg sqrt-div clear-num associate-/r* div-inv
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log div-sub associate-*r/
Counts
4 → 101
Calls
4 calls:
8.0ms
(- (* b b) (* (* 4.0 a) c))
43.0ms
(/ (* 1 (/ 4.0 (/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* a c)))) (* 2.0 a))
62.0ms
(/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* a c))
12.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series361.0ms

Counts
4 → 12
Calls
4 calls:
45.0ms
(- (* b b) (* (* 4.0 a) c))
131.0ms
(/ (* 1 (/ 4.0 (/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* a c)))) (* 2.0 a))
103.0ms
(/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* a c))
82.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify86.0ms

Counts
113 → 113
Iterations

Useful iterations: 2 (74.0ms)

IterNodesCost
07531552
139811207
250011195
done50011195

prune251.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 7.0b

localize21.0ms

Local error

Found 4 expressions with local error:

1.2b
(- (* b b) (* (* 4.0 a) c))
3.6b
(* (* 1 (/ 4.0 (/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* a c)))) (/ 1 (* 2.0 a)))
11.7b
(/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* a c))
22.7b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite420.0ms

Algorithm
rewrite-expression-head
Rules
292×add-exp-log
161×prod-exp
108×div-exp
84×add-cbrt-cube
46×1-exp
36×cbrt-unprod
27×cbrt-undiv
18×add-sqr-sqrt rec-exp
17×*-un-lft-identity
10×pow1 times-frac
add-cube-cbrt
associate-*r* associate-/l*
add-log-exp
sqrt-prod
distribute-lft-out-- difference-of-squares
flip3-- associate-*r/ pow-prod-down flip--
distribute-rgt-neg-in sqrt-div div-inv associate-/l/
frac-times sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub associate-*l* associate-*l/ clear-num associate-/r* un-div-inv *-commutative
Counts
4 → 159
Calls
4 calls:
8.0ms
(- (* b b) (* (* 4.0 a) c))
327.0ms
(* (* 1 (/ 4.0 (/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* a c)))) (/ 1 (* 2.0 a)))
65.0ms
(/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* a c))
9.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series355.0ms

Counts
4 → 12
Calls
4 calls:
46.0ms
(- (* b b) (* (* 4.0 a) c))
127.0ms
(* (* 1 (/ 4.0 (/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* a c)))) (/ 1 (* 2.0 a)))
105.0ms
(/ (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* a c))
77.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify100.0ms

Counts
171 → 171
Iterations

Useful iterations: 2 (79.0ms)

IterNodesCost
010372482
141031907
250021902
done50021902

prune253.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 7.0b

regimes225.0ms

Accuracy

86.7% (3.6b remaining)

Error of 9.1b against oracle of 5.5b and baseline of 32.7b

bsearch153.0ms

Steps
ItersRangePoint
8
5.30600492772346e+88
1.193256888551369e+92
6.20818462961119e+88
7
4.4177766368738645e-104
9.228511502033552e-102
4.501804305446481e-104
5
-1.9941030622962047e+109
-5.928196142097795e+108
-1.8572382657132166e+109

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
05030
15230
25230
done5230

end0.0ms

sample1.3s

Algorithm
intervals
Results
254.0ms1069×body2560valid
234.0ms5791×body80valid
186.0ms933×body1280valid
115.0ms2974×body80nan
69.0ms442×body640valid
35.0ms122×body5120valid
27.0ms244×body320valid
10.0ms126×body160valid