Details

Time bar (total: 22.2s)

sample163.0ms

Algorithm
intervals
Results
37.0ms39×body2560valid
32.0ms87×body80nan
32.0ms188×body80valid
24.0ms31×body1280valid
8.0ms13×body640valid
4.0msbody5120valid
3.0msbody320valid
0.0msbody160valid

simplify108.0ms

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

prune10.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 34.1b

localize39.0ms

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)))

rewrite128.0ms

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:
53.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
17.0ms
(- (* b b) (* (* 3 a) c))
36.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
20.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

series410.0ms

Counts
4 → 12
Calls
4 calls:
136.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3 a) c)))) (* 3 a))
60.0ms
(- (* b b) (* (* 3 a) c))
117.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3 a) c))))
97.0ms
(sqrt (- (* b b) (* (* 3 a) c)))

simplify1.5s

Counts
106 → 106
Iterations
IterNodes
done5001
21430
1442
0170

prune650.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 6.5b

localize34.0ms

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))))

rewrite27.0ms

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))
9.0ms
(- (sqrt (fma b b (* c (* -3 a)))) b)
0.0ms
(fma b b (* c (* -3 a)))
3.0ms
(sqrt (fma b b (* c (* -3 a))))

series375.0ms

Counts
4 → 12
Calls
4 calls:
36.0ms
(* c (* -3 a))
144.0ms
(- (sqrt (fma b b (* c (* -3 a)))) b)
88.0ms
(fma b b (* c (* -3 a)))
107.0ms
(sqrt (fma b b (* c (* -3 a))))

simplify3.2s

Counts
102 → 102
Iterations
IterNodes
done5003
32762
2801
1321
0144

prune489.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 6.4b

localize65.0ms

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))))

rewrite75.0ms

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)
29.0ms
(/ (/ (/ (fma (* a c) -3 0) (+ (sqrt (fma b b (* c (* -3 a)))) b)) 3) a)
27.0ms
(/ (fma (* a c) -3 0) (+ (sqrt (fma b b (* c (* -3 a)))) b))
2.0ms
(sqrt (fma b b (* c (* -3 a))))

series864.0ms

Counts
4 → 12
Calls
4 calls:
112.0ms
(+ (sqrt (fma b b (* c (* -3 a)))) b)
332.0ms
(/ (/ (/ (fma (* a c) -3 0) (+ (sqrt (fma b b (* c (* -3 a)))) b)) 3) a)
316.0ms
(/ (fma (* a c) -3 0) (+ (sqrt (fma b b (* c (* -3 a)))) b))
103.0ms
(sqrt (fma b b (* c (* -3 a))))

simplify2.5s

Counts
340 → 340
Iterations
IterNodes
done5010
23438
11329
0586

prune2.3s

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 6.4b

localize42.0ms

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)))

rewrite72.0ms

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:
5.0ms
(+ b (sqrt (fma (* -3 c) a (* b b))))
36.0ms
(/ (/ (* a (* -3 c)) (+ b (sqrt (fma (* -3 c) a (* b b))))) (* a (sqrt 3)))
26.0ms
(/ (* 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:
97.0ms
(+ b (sqrt (fma (* -3 c) a (* b b))))
805.0ms
(/ (/ (* a (* -3 c)) (+ b (sqrt (fma (* -3 c) a (* b b))))) (* a (sqrt 3)))
212.0ms
(/ (* a (* -3 c)) (+ b (sqrt (fma (* -3 c) a (* b b)))))
125.0ms
(sqrt (fma (* -3 c) a (* b b)))

simplify1.7s

Counts
127 → 127
Iterations
IterNodes
done5019
22599
1602
0213

prune759.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 6.4b

regimes709.0ms

Accuracy

88.4% (3.1b remaining)

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

bsearch404.0ms

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

simplify20.0ms

Iterations
IterNodes
done55
155
044

end0.0ms

sample4.3s

Algorithm
intervals
Results
1.3s5889×body80valid
1.1s1064×body2560valid
698.0ms903×body1280valid
390.0ms2854×body80nan
258.0ms446×body640valid
112.0ms206×body320valid
95.0ms95×body5120valid
66.0ms133×body160valid