Details

Time bar (total: 20.6s)

sample94.0ms

Algorithm
intervals
Results
22.0ms39×body2560valid
17.0ms188×body80valid
14.0ms31×body1280valid
8.0ms87×body80nan
5.0ms13×body640valid
2.0msbody5120valid
2.0msbody320valid
0.0msbody160valid

simplify161.0ms

Counts
1 → 1
Iterations
IterNodes
done102
7102
6101
599
491
373
241
122
012

prune20.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 34.1b

localize32.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
0.4b
(- (* b b) (* (* 3 a) c))
0.4b
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
23.1b
(sqrt (- (* b b) (* (* 3 a) c)))

rewrite109.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
11×add-sqr-sqrt
10×fma-def add-cube-cbrt add-log-exp
add-cbrt-cube add-exp-log
distribute-rgt-neg-in distribute-lft-out
pow1 times-frac associate-/l*
expm1-log1p-u insert-posit16 log1p-expm1-u
distribute-lft-neg-in sqrt-prod
neg-sub0 cbrt-undiv sum-log flip3-+ flip3-- sqrt-div div-exp associate-+l- flip-+ flip-- associate-/l/
+-commutative rem-sqrt-square clear-num associate-/r* neg-mul-1 sub-neg frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log div-sub prod-diff neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 94
Calls
4 calls:
72.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
8.0ms
(- (* b b) (* (* 3 a) c))
14.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
14.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series402.0ms

Counts
4 → 12
Calls
4 calls:
131.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
61.0ms
(- (* b b) (* (* 3 a) c))
107.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
103.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify1.4s

Counts
106 → 106
Iterations
IterNodes
done5001
21430
1442
0170

prune562.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.5b

localize22.0ms

Local error

Found 4 expressions with local error:

0.2b
(* c (* -3 a))
0.4b
(- (sqrt (fma b b (* c (* -3 a)))) b)
0.5b
(fma b b (* c (* -3 a)))
23.1b
(sqrt (fma b b (* c (* -3 a))))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
25×add-sqr-sqrt
22×*-un-lft-identity
20×add-cube-cbrt
18×prod-diff
16×sqrt-prod
10×pow1
add-cbrt-cube add-exp-log
fma-neg add-log-exp
expm1-log1p-u insert-posit16 log1p-expm1-u
associate-*l* pow-prod-down prod-exp cbrt-unprod
difference-of-squares
rem-sqrt-square sub-neg sqrt-pow1 flip3-- pow1/2 diff-log associate-*r* *-commutative fma-udef flip-- distribute-lft-out--
Counts
4 → 90
Calls
4 calls:
14.0ms
(* c (* -3 a))
15.0ms
(- (sqrt (fma b b (* c (* -3 a)))) b)
0.0ms
(fma b b (* c (* -3 a)))
2.0ms
(sqrt (fma b b (* c (* -3 a))))

series306.0ms

Counts
4 → 12
Calls
4 calls:
25.0ms
(* c (* -3 a))
120.0ms
(- (sqrt (fma b b (* c (* -3 a)))) b)
60.0ms
(fma b b (* c (* -3 a)))
100.0ms
(sqrt (fma b b (* c (* -3 a))))

simplify3.0s

Counts
102 → 102
Iterations
IterNodes
done5003
32762
2801
1321
0144

prune495.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 6.4b

localize36.0ms

Local error

Found 4 expressions with local error:

1.1b
(+ (sqrt (fma b b (* c (* -3 a)))) b)
4.5b
(/ (/ (/ (fma (* a c) -3 0) (+ (sqrt (fma b b (* c (* -3 a)))) b)) 3) a)
11.1b
(/ (fma (* a c) -3 0) (+ (sqrt (fma b b (* c (* -3 a)))) b))
23.1b
(sqrt (fma b b (* c (* -3 a))))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
546×times-frac
329×*-un-lft-identity
248×add-sqr-sqrt
247×add-cube-cbrt
61×associate-/l*
41×distribute-lft-out
26×associate-/r/
18×div-inv
15×add-cbrt-cube add-exp-log
14×flip3-+ flip-+
cbrt-undiv associate-/r* div-exp
fma-def sqrt-prod add-log-exp
pow1
expm1-log1p-u insert-posit16 log1p-expm1-u
clear-num frac-2neg
+-commutative rem-sqrt-square sum-log sqrt-pow1 pow1/2 associate-/l/
Counts
4 → 328
Calls
4 calls:
6.0ms
(+ (sqrt (fma b b (* c (* -3 a)))) b)
24.0ms
(/ (/ (/ (fma (* a c) -3 0) (+ (sqrt (fma b b (* c (* -3 a)))) b)) 3) a)
10.0ms
(/ (fma (* a c) -3 0) (+ (sqrt (fma b b (* c (* -3 a)))) b))
1.0ms
(sqrt (fma b b (* c (* -3 a))))

series846.0ms

Counts
4 → 12
Calls
4 calls:
122.0ms
(+ (sqrt (fma b b (* c (* -3 a)))) b)
304.0ms
(/ (/ (/ (fma (* a c) -3 0) (+ (sqrt (fma b b (* c (* -3 a)))) b)) 3) a)
323.0ms
(/ (fma (* a c) -3 0) (+ (sqrt (fma b b (* c (* -3 a)))) b))
98.0ms
(sqrt (fma b b (* c (* -3 a))))

simplify2.5s

Counts
340 → 340
Iterations
IterNodes
done5010
23438
11329
0586

prune2.2s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 6.4b

localize61.0ms

Local error

Found 4 expressions with local error:

1.1b
(+ b (sqrt (fma (* -3 c) a (* b b))))
4.6b
(/ (/ (* a (* -3 c)) (+ b (sqrt (fma (* -3 c) a (* b b))))) (* a (sqrt 3)))
11.1b
(/ (* a (* -3 c)) (+ b (sqrt (fma (* -3 c) a (* b b)))))
23.1b
(sqrt (fma (* -3 c) a (* b b)))

rewrite87.0ms

Algorithm
rewrite-expression-head
Rules
45×add-cbrt-cube add-exp-log
22×*-un-lft-identity times-frac
17×cbrt-undiv div-exp
13×add-sqr-sqrt prod-exp cbrt-unprod
12×add-cube-cbrt
11×associate-/l*
associate-/r/ add-log-exp
pow1 associate-/r* distribute-lft-out
expm1-log1p-u flip3-+ flip-+ insert-posit16 log1p-expm1-u div-inv
fma-def sqrt-prod
clear-num frac-2neg
+-commutative rem-sqrt-square sum-log sqrt-pow1 pow1/2 associate-/l/
Counts
4 → 115
Calls
4 calls:
6.0ms
(+ b (sqrt (fma (* -3 c) a (* b b))))
38.0ms
(/ (/ (* a (* -3 c)) (+ b (sqrt (fma (* -3 c) a (* b b))))) (* a (sqrt 3)))
39.0ms
(/ (* a (* -3 c)) (+ b (sqrt (fma (* -3 c) a (* b b)))))
2.0ms
(sqrt (fma (* -3 c) a (* b b)))

series1.2s

Counts
4 → 12
Calls
4 calls:
110.0ms
(+ b (sqrt (fma (* -3 c) a (* b b))))
771.0ms
(/ (/ (* a (* -3 c)) (+ b (sqrt (fma (* -3 c) a (* b b))))) (* a (sqrt 3)))
234.0ms
(/ (* a (* -3 c)) (+ b (sqrt (fma (* -3 c) a (* b b)))))
110.0ms
(sqrt (fma (* -3 c) a (* b b)))

simplify1.8s

Counts
127 → 127
Iterations
IterNodes
done5019
22599
1602
0213

prune691.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 6.4b

regimes735.0ms

Accuracy

88.4% (3.1b remaining)

Error of 8.8b against oracle of 5.8b and baseline of 32.2b

bsearch379.0ms

Steps
ItersRangePoint
9
57.56933376468871
32423374.974334765
12112.835762088263
9
1.5066825889000847e-130
1.2366644073721436e-124
1.5239734618075918e-130
9
-5.599802959155633e+154
-4.186518194588193e+147
-2.874603183983119e+152

simplify26.0ms

Iterations
IterNodes
done55
155
044

end0.0ms

sample3.3s

Algorithm
intervals
Results
1.5s1064×body2560valid
601.0ms5889×body80valid
451.0ms903×body1280valid
205.0ms2854×body80nan
188.0ms446×body640valid
54.0ms95×body5120valid
45.0ms206×body320valid
20.0ms133×body160valid