Details

Time bar (total: 10.8s)

sample286.0ms

Algorithm
intervals
Results
8.0ms39×body2560valid
8.0ms183×body80valid
4.0ms24×body1280valid
3.0ms84×body80nan
2.0ms15×body640valid
1.0ms12×body320valid
1.0msbody5120valid
0.0msbody160valid

simplify22.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (2.0ms)

IterNodesCost
01013
11813
23213
34013
44213
done4213

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.8b
(- (* b_2 b_2) (* a c))
1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt
37×*-un-lft-identity
21×times-frac
17×add-cube-cbrt
10×distribute-lft-out-- add-log-exp difference-of-squares
sqrt-prod
associate-/l*
add-exp-log add-cbrt-cube
pow1 distribute-rgt-neg-in
flip3-- flip--
diff-log associate-/r*
sub-neg sqrt-div associate-/l/
cbrt-undiv associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log clear-num div-inv
Counts
4 → 91
Calls
4 calls:
36.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
3.0ms
(- (* b_2 b_2) (* a c))
21.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
6.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series256.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
32.0ms
(- (* b_2 b_2) (* a c))
68.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
73.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.6s

Counts
103 → 103
Iterations

Useful iterations: 3 (458.0ms)

IterNodesCost
01561821
13761727
211671611
349751595
done50001595

prune253.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.3b

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
0.8b
(- (* b_2 b_2) (* a c))
1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
22×*-un-lft-identity
13×add-exp-log add-cube-cbrt associate-*r*
11×times-frac
10×add-log-exp
add-cbrt-cube
pow1 associate-*l*
flip3-- sqrt-prod flip--
prod-exp distribute-lft-out-- difference-of-squares
diff-log unswap-sqr
frac-times sub-neg distribute-rgt-neg-in sqrt-div div-exp associate-*l/ cbrt-unprod
cbrt-undiv associate--l- neg-sub0 rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp associate-*r/ pow-prod-down neg-log un-div-inv *-commutative div-inv
Counts
4 → 89
Calls
4 calls:
54.0ms
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
3.0ms
(- (* b_2 b_2) (* a c))
13.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series243.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
32.0ms
(- (* b_2 b_2) (* a c))
69.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
59.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify707.0ms

Counts
101 → 101
Iterations

Useful iterations: 2 (140.0ms)

IterNodesCost
01751741
14411559
216301375
done50001375

prune224.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 5.3b

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ a (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
0.8b
(- (* b_2 b_2) (* a c))
1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
165×times-frac
130×add-sqr-sqrt
129×*-un-lft-identity
77×add-cube-cbrt
27×associate-/r*
26×distribute-lft-out-- difference-of-squares
16×sqrt-prod
15×add-exp-log
13×distribute-rgt-neg-in
10×add-log-exp
associate-/r/ add-cbrt-cube
flip3-- div-exp flip--
pow1
div-inv
cbrt-undiv diff-log associate-/l*
sub-neg rec-exp sqrt-div 1-exp
associate--l- neg-sub0 rem-sqrt-square pow-flip frac-2neg sqrt-pow1 pow1/2 neg-log clear-num inv-pow
Counts
4 → 177
Calls
4 calls:
30.0ms
(/ 1 (/ a (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
3.0ms
(- (* b_2 b_2) (* a c))
13.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series261.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(/ 1 (/ a (- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))))
35.0ms
(- (* b_2 b_2) (* a c))
66.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
61.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.1s

Counts
189 → 189
Iterations

Useful iterations: 2 (216.0ms)

IterNodesCost
02664484
16104016
222353617
done50013617

prune260.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 5.3b

localize10.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.8b
(- (* b_2 b_2) (* a c))
1.0b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
21.9b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt
37×*-un-lft-identity
21×times-frac
17×add-cube-cbrt
10×distribute-lft-out-- add-log-exp difference-of-squares
sqrt-prod
associate-/l*
add-exp-log add-cbrt-cube
pow1 distribute-rgt-neg-in
flip3-- flip--
diff-log associate-/r*
sub-neg sqrt-div associate-/l/
cbrt-undiv associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log clear-num div-inv
Counts
4 → 91
Calls
4 calls:
35.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
3.0ms
(- (* b_2 b_2) (* a c))
15.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series240.0ms

Counts
4 → 12
Calls
4 calls:
81.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
32.0ms
(- (* b_2 b_2) (* a c))
67.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
61.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.5s

Counts
103 → 103
Iterations

Useful iterations: 3 (442.0ms)

IterNodesCost
01561821
13761727
211671611
349751595
done50001595

prune217.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 5.3b

regimes196.0ms

Accuracy

82.4% (5.0b remaining)

Error of 10.3b against oracle of 5.3b and baseline of 33.6b

bsearch50.0ms

Steps
ItersRangePoint
9
1.790439840991813e+53
4.6520850645607246e+61
1.3316184968738608e+61
2
-4.223797038045246e-104
-3.7861133082378615e-104
-4.1690865718193236e-104

simplify4.0ms

Iterations

Useful iterations: 1 (1.0ms)

IterNodesCost
02535
13231
23631
done3631

end0.0ms

sample1.0s

Algorithm
intervals
Results
210.0ms1071×body2560valid
196.0ms5863×body80valid
137.0ms830×body1280valid
91.0ms2880×body80nan
61.0ms477×body640valid
29.0ms110×body5120valid
28.0ms244×body320valid
7.0ms116×body160valid