Details

Time bar (total: 8.7s)

sample33.0ms

Algorithm
intervals
Results
6.0ms202×body80valid
5.0ms35×body1280valid
5.0ms27×body2560valid
2.0ms86×body80nan
1.0ms12×body640valid
1.0msbody320valid
0.0msbody5120valid
0.0msbody160valid

simplify16.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01013
11813
23213
34013
44213
done4213

prune2.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.5b

localize9.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.3b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
1.0b
(- (* b_2 b_2) (* a c))
20.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite57.0ms

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:
33.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
15.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
3.0ms
(- (* b_2 b_2) (* a c))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series244.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(/ (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
69.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
32.0ms
(- (* b_2 b_2) (* a c))
61.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify445.0ms

Counts
103 → 103
Iterations

Useful iterations: done (443.0ms)

IterNodesCost
01561821
13761727
211711611
done50001595

prune243.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.4b

localize10.0ms

Local error

Found 4 expressions with local error:

1.6b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
2.7b
(/ (/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
10.3b
(/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
20.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite99.0ms

Algorithm
rewrite-expression-head
Rules
162×times-frac
150×add-sqr-sqrt
115×*-un-lft-identity
81×add-cube-cbrt
34×difference-of-squares
27×associate-/l*
20×sqrt-prod
17×distribute-lft-out--
11×add-exp-log add-cbrt-cube
10×associate-/r/
associate-/r*
flip3-- flip--
div-inv add-log-exp
pow1
cbrt-undiv div-exp
associate-/l/
frac-2neg sqrt-div clear-num
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 diff-log flip-+
Counts
4 → 187
Calls
4 calls:
19.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
43.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
24.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series467.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
152.0ms
(/ (/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) a)
183.0ms
(/ (+ 0 (* a c)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
61.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.6s

Counts
199 → 199
Iterations

Useful iterations: done (1.6s)

IterNodesCost
03045659
17304896
232044718
done50014716

prune490.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 5.3b

localize13.0ms

Local error

Found 4 expressions with local error:

6.4b
(/ (/ (* a c) (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2))) a)
6.7b
(/ (* a c) (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
20.3b
(sqrt (- (* b_2 b_2) (* a c)))
20.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
64×add-sqr-sqrt
50×*-un-lft-identity
48×sqrt-prod
38×add-cube-cbrt
18×add-exp-log add-cbrt-cube
16×associate-/l*
14×sqrt-div
12×associate-/r* difference-of-squares
10×associate-/r/
cbrt-undiv flip3-- div-exp flip--
pow1 div-inv distribute-lft-out--
add-log-exp
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 prod-exp clear-num cbrt-unprod
associate-/l/
Counts
4 → 145
Calls
4 calls:
39.0ms
(/ (/ (* a c) (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2))) a)
21.0ms
(/ (* a c) (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series1.1s

Counts
4 → 12
Calls
4 calls:
493.0ms
(/ (/ (* a c) (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2))) a)
482.0ms
(/ (* a c) (sqrt (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
62.0ms
(sqrt (- (* b_2 b_2) (* a c)))
58.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify894.0ms

Counts
157 → 157
Iterations

Useful iterations: done (890.0ms)

IterNodesCost
02603735
16503378
227293174
done50003170

prune458.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 5.3b

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
0.3b
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
1.0b
(- (* b_2 b_2) (* a c))
20.3b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite74.0ms

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:
53.0ms
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
12.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
3.0ms
(- (* b_2 b_2) (* a c))
4.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series242.0ms

Counts
4 → 12
Calls
4 calls:
79.0ms
(* (- (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) (/ 1 a))
70.0ms
(- (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
37.0ms
(- (* b_2 b_2) (* a c))
57.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify731.0ms

Counts
101 → 101
Iterations

Useful iterations: 2 (138.0ms)

IterNodesCost
01751741
14411559
216361375
done50001375

prune233.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 5.3b

regimes188.0ms

Accuracy

81.6% (4.8b remaining)

Error of 10.6b against oracle of 5.7b and baseline of 31.9b

bsearch72.0ms

Steps
ItersRangePoint
8
2.1878188410446244e+107
3.8616146939177386e+111
3.6627135292415903e+111
8
-4.854151311909829e-126
-9.294658666337375e-130
-4.7828589349284326e-126

simplify7.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
02433
13033
done3033

end0.0ms

sample977.0ms

Algorithm
intervals
Results
205.0ms1110×body2560valid
182.0ms5789×body80valid
135.0ms885×body1280valid
95.0ms2997×body80nan
52.0ms449×body640valid
23.0ms102×body5120valid
22.0ms256×body320valid
7.0ms124×body160valid