Details

Time bar (total: 13.6s)

sample286.0ms

Algorithm
intervals
Results
8.0ms37×body2560valid
7.0ms195×body80valid
5.0ms21×body1280valid
3.0ms81×body80nan
3.0ms19×body640valid
1.0msbody5120valid
0.0msbody320valid
0.0msbody160valid

simplify25.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (8.0ms)

IterNodesCost
01013
11513
22312
33012
43212
53412
done3412

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 30.9b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
0.4b
(- (* b_2 b_2) (* a c))
1.2b
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
20.6b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
38×*-un-lft-identity
19×add-sqr-sqrt
18×add-cube-cbrt
15×times-frac
10×fma-def distribute-lft-out add-log-exp
distribute-rgt-neg-in
add-exp-log add-cbrt-cube
pow1 associate-/l*
expm1-log1p-u log1p-expm1-u
distribute-lft-neg-in associate-/r* sqrt-prod
neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div sum-log flip-- flip-+ associate-/l/
cbrt-undiv +-commutative neg-mul-1 sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log div-sub div-exp prod-diff neg-log clear-num div-inv
Counts
4 → 100
Calls
4 calls:
36.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
3.0ms
(- (* b_2 b_2) (* a c))
12.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
7.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series291.0ms

Counts
4 → 12
Calls
4 calls:
97.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)
35.0ms
(- (* b_2 b_2) (* a c))
79.0ms
(+ (- b_2) (sqrt (- (* b_2 b_2) (* a c))))
79.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify1.8s

Counts
112 → 112
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01641638
13861535
211011355
335911340
done50001338

prune336.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.6b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ a (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
0.4b
(- (* b_2 b_2) (* a c))
1.2b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
20.6b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite70.0ms

Algorithm
rewrite-expression-head
Rules
144×times-frac
137×add-sqr-sqrt
110×*-un-lft-identity
84×add-cube-cbrt
28×sqrt-prod
26×difference-of-squares
24×associate-/r*
19×prod-diff
15×add-exp-log
13×distribute-lft-out--
associate-/r/ add-cbrt-cube
add-log-exp
flip3-- fma-neg div-exp flip--
pow1
div-inv
expm1-log1p-u log1p-expm1-u
cbrt-undiv associate-/l*
sub-neg rec-exp sqrt-div diff-log 1-exp
rem-sqrt-square pow-flip frac-2neg sqrt-pow1 pow1/2 clear-num inv-pow
Counts
4 → 196
Calls
4 calls:
27.0ms
(/ 1 (/ a (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
3.0ms
(- (* b_2 b_2) (* a c))
23.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
5.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series315.0ms

Counts
4 → 12
Calls
4 calls:
139.0ms
(/ 1 (/ a (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
35.0ms
(- (* b_2 b_2) (* a c))
77.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
63.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.2s

Counts
208 → 208
Iterations

Useful iterations: done (2.2s)

IterNodesCost
02994764
16494074
215023649
345583500
done50003499

prune386.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 5.5b

localize15.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (* (cbrt 1) (cbrt 1)) (/ a (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
0.4b
(- (* b_2 b_2) (* a c))
1.2b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
20.6b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite67.0ms

Algorithm
rewrite-expression-head
Rules
68×add-sqr-sqrt
60×times-frac
53×*-un-lft-identity
39×add-cube-cbrt
24×associate-/r*
22×sqrt-prod
19×prod-diff
16×add-exp-log
14×difference-of-squares
12×add-cbrt-cube
add-log-exp
fma-neg distribute-lft-out--
cbrt-undiv div-exp
pow1 flip3-- associate-/r/ flip--
expm1-log1p-u log1p-expm1-u
div-inv
sub-neg sqrt-div diff-log prod-exp cbrt-unprod
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 clear-num associate-/l*
Counts
4 → 144
Calls
4 calls:
29.0ms
(/ (* (cbrt 1) (cbrt 1)) (/ a (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
3.0ms
(- (* b_2 b_2) (* a c))
25.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
5.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series313.0ms

Counts
4 → 12
Calls
4 calls:
135.0ms
(/ (* (cbrt 1) (cbrt 1)) (/ a (- (sqrt (- (* b_2 b_2) (* a c))) b_2)))
37.0ms
(- (* b_2 b_2) (* a c))
74.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
67.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.2s

Counts
156 → 156
Iterations

Useful iterations: done (2.2s)

IterNodesCost
02543346
15892726
213972300
342372197
done50012196

prune375.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 5.5b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ 1 a) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
0.4b
(- (* b_2 b_2) (* a c))
1.2b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
20.6b
(sqrt (- (* b_2 b_2) (* a c)))

rewrite97.0ms

Algorithm
rewrite-expression-head
Rules
67×add-sqr-sqrt
56×*-un-lft-identity
55×prod-diff
51×add-cube-cbrt
35×sqrt-prod
20×distribute-rgt-in distribute-lft-in
13×add-exp-log associate-*l*
11×times-frac
add-cbrt-cube
add-log-exp
pow1 fma-neg
associate-*r*
flip3-- flip--
expm1-log1p-u sub-neg prod-exp log1p-expm1-u difference-of-squares
unswap-sqr
frac-times sqrt-div diff-log associate-*r/ div-exp cbrt-unprod distribute-lft-out--
cbrt-undiv rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp pow-prod-down associate-*l/ *-commutative div-inv
Counts
4 → 158
Calls
4 calls:
60.0ms
(* (/ 1 a) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
3.0ms
(- (* b_2 b_2) (* a c))
23.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
5.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series310.0ms

Counts
4 → 12
Calls
4 calls:
133.0ms
(* (/ 1 a) (- (sqrt (- (* b_2 b_2) (* a c))) b_2))
39.0ms
(- (* b_2 b_2) (* a c))
72.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
66.0ms
(sqrt (- (* b_2 b_2) (* a c)))

simplify2.4s

Counts
170 → 170
Iterations

Useful iterations: 3 (1.6s)

IterNodesCost
02394053
15873273
215452573
347292352
done50002352

prune312.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 5.5b

regimes201.0ms

Accuracy

83.1% (4.9b remaining)

Error of 10.4b against oracle of 5.5b and baseline of 34.3b

bsearch116.0ms

Steps
ItersRangePoint
10
3.056596725548563e-78
7.076105677608322e-63
3.446447862996811e-75
10
-1.852183237050365e+100
-1.9127319211193897e+86
-4.123103533644211e+95

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02741
13241
done3241

end0.0ms

sample1.3s

Algorithm
intervals
Results
281.0ms851×body1280valid
241.0ms1099×body2560valid
215.0ms5881×body80valid
103.0ms2944×body80nan
66.0ms470×body640valid
34.0ms109×body5120valid
23.0ms219×body320valid
7.0ms98×body160valid