Details

Time bar (total: 11.7s)

sample36.0ms

Algorithm
intervals
Results
8.0ms37×body2560valid
7.0ms195×body80valid
4.0ms21×body1280valid
3.0ms81×body80nan
3.0ms19×body640valid
1.0msbody5120valid
0.0msbody320valid
0.0msbody160valid

simplify50.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01217
12117
24116
37516
48716
59516
done9516

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 31.0b

localize13.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* 3.0 a) c)
0.4b
(- (* b b) (* (* 3.0 a) c))
1.1b
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
20.6b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite26.0ms

Algorithm
rewrite-expression-head
Rules
10×pow1 *-un-lft-identity add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt
associate-*r* pow-prod-down prod-exp sqrt-prod cbrt-unprod
flip3-- sqrt-div sum-log flip-- distribute-lft-out
+-commutative neg-sub0 associate-+l- sub-neg rem-sqrt-square distribute-rgt-neg-in sqrt-pow1 flip3-+ pow1/2 diff-log associate-*l* neg-log *-commutative flip-+
Counts
4 → 60
Calls
4 calls:
6.0ms
(* (* 3.0 a) c)
2.0ms
(- (* b b) (* (* 3.0 a) c))
12.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
4.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series212.0ms

Counts
4 → 12
Calls
4 calls:
19.0ms
(* (* 3.0 a) c)
43.0ms
(- (* b b) (* (* 3.0 a) c))
78.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
71.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify2.7s

Counts
72 → 72
Iterations

Useful iterations: 3 (1.4s)

IterNodesCost
01221001
1307907
21084805
34598795
done5000795

prune195.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 11.4b

localize17.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt c)
0.6b
(cbrt c)
1.1b
(+ (- b) (sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (cbrt c)))))
20.6b
(sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (cbrt c))))

rewrite17.0ms

Algorithm
rewrite-expression-head
Rules
11×*-un-lft-identity
add-sqr-sqrt add-log-exp
add-cube-cbrt
cbrt-prod
pow1
add-exp-log add-cbrt-cube
sqrt-prod
pow1/3 sqrt-div sum-log distribute-lft-out
+-commutative neg-sub0 associate-+l- rem-sqrt-square flip3-- distribute-rgt-neg-in sqrt-pow1 flip3-+ pow1/2 neg-log flip-- flip-+
Counts
4 → 52
Calls
4 calls:
0.0ms
(cbrt c)
0.0ms
(cbrt c)
12.0ms
(+ (- b) (sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (cbrt c)))))
4.0ms
(sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (cbrt c))))

series539.0ms

Counts
4 → 12
Calls
4 calls:
178.0ms
(cbrt c)
176.0ms
(cbrt c)
96.0ms
(+ (- b) (sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (cbrt c)))))
88.0ms
(sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (cbrt c))))

simplify2.3s

Counts
64 → 64
Iterations

Useful iterations: 3 (751.0ms)

IterNodesCost
01061069
1260947
2833602
33984592
done5000592

prune197.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 11.4b

localize23.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (cbrt c))
0.6b
(cbrt (cbrt c))
1.1b
(+ (- b) (sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (* (* (cbrt (cbrt c)) (cbrt (cbrt c))) (cbrt (cbrt c)))))))
20.6b
(sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (* (* (cbrt (cbrt c)) (cbrt (cbrt c))) (cbrt (cbrt c))))))

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
18×cbrt-prod
13×*-un-lft-identity
10×add-sqr-sqrt
add-cube-cbrt
add-log-exp
pow1
add-exp-log add-cbrt-cube
sqrt-prod
pow1/3 sqrt-div sum-log distribute-lft-out
+-commutative neg-sub0 associate-+l- rem-sqrt-square flip3-- distribute-rgt-neg-in sqrt-pow1 flip3-+ pow1/2 neg-log flip-- flip-+
Counts
4 → 58
Calls
4 calls:
1.0ms
(cbrt (cbrt c))
1.0ms
(cbrt (cbrt c))
12.0ms
(+ (- b) (sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (* (* (cbrt (cbrt c)) (cbrt (cbrt c))) (cbrt (cbrt c)))))))
4.0ms
(sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (* (* (cbrt (cbrt c)) (cbrt (cbrt c))) (cbrt (cbrt c))))))

series681.0ms

Counts
4 → 12
Calls
4 calls:
247.0ms
(cbrt (cbrt c))
241.0ms
(cbrt (cbrt c))
100.0ms
(+ (- b) (sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (* (* (cbrt (cbrt c)) (cbrt (cbrt c))) (cbrt (cbrt c)))))))
92.0ms
(sqrt (- (* b b) (* (* (* 3.0 a) (* (cbrt c) (cbrt c))) (* (* (cbrt (cbrt c)) (cbrt (cbrt c))) (cbrt (cbrt c))))))

simplify598.0ms

Counts
70 → 70
Iterations

Useful iterations: done (595.0ms)

IterNodesCost
01161560
12781382
29141062
done50011050

prune301.0ms

Pruning

13 alts after pruning (11 fresh and 2 done)

Merged error: 11.4b

localize213.0ms

Local error

Found 4 expressions with local error:

1.1b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
1.1b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
20.6b
(sqrt (- (* b b) (* (* 3.0 a) c)))
20.6b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite47.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
10×*-un-lft-identity
sqrt-prod add-log-exp
pow1 add-cube-cbrt
add-exp-log flip3-- sqrt-div add-cbrt-cube flip-- difference-of-squares
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
19.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
18.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
5.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))
4.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series305.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
82.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
72.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))
73.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify1.3s

Counts
72 → 72
Iterations

Useful iterations: 3 (325.0ms)

IterNodesCost
0811248
11901104
25991036
320141028
done50001028

prune237.0ms

Pruning

13 alts after pruning (10 fresh and 3 done)

Merged error: 11.4b

regimes499.0ms

Accuracy

97% (0.7b remaining)

Error of 12.8b against oracle of 12.1b and baseline of 34.4b

bsearch176.0ms

Steps
ItersRangePoint
8
3.1150335411271174e+120
2.748976228023721e+123
1.8586636444574517e+123
8
-1.6620648751329665e-144
-7.987297162739508e-149
-8.205355875708696e-149
9
-2.5095870340849847e+160
-2.2087357092495854e+152
-1.327347707720873e+154

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
04387
15385
done5385

end0.0ms

sample1.1s

Algorithm
intervals
Results
239.0ms1097×body2560valid
210.0ms5881×body80valid
152.0ms853×body1280valid
100.0ms2944×body80nan
66.0ms470×body640valid
28.0ms108×body5120valid
21.0ms213×body320valid
7.0ms104×body160valid