Details

Time bar (total: 12.6s)

sample163.0ms

Algorithm
intervals
Results
42.0ms180×body80valid
41.0ms38×body2560valid
20.0ms23×body1280valid
17.0ms106×body80nan
13.0ms19×body640valid
5.0msbody5120valid
2.0msbody160valid
1.0msbody320valid

simplify201.0ms

Calls
1 calls:
Slowest
201.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))

prune27.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 36.2b

localize41.0ms

Local error

Found 4 expressions with local error:

26.1b
(sqrt (fma c (* -4 a) (* b b)))
1.1b
(- (sqrt (fma c (* -4 a) (* b b))) b)
0.5b
(fma c (* -4 a) (* b b))
0.1b
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
fma-neg sqrt-prod
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u associate-/l* add-log-exp
div-sub div-inv
rem-sqrt-square clear-num sub-neg frac-2neg flip3-- pow1/2 fma-udef flip-- associate-/l/
Calls
4 calls:
Slowest
22.0ms
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)
13.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
2.0ms
(sqrt (fma c (* -4 a) (* b b)))
0.0ms
(fma c (* -4 a) (* b b))

series220.0ms

Calls
4 calls:
Slowest
61.0ms
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)
55.0ms
(sqrt (fma c (* -4 a) (* b b)))
55.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
50.0ms
(fma c (* -4 a) (* b b))

simplify721.0ms

Calls
26 calls:
Slowest
92.0ms
(- (pow b 2) (* 4 (* a c)))
70.0ms
(- (pow b 2) (* 4 (* a c)))
59.0ms
(- (pow b 2) (* 4 (* a c)))
56.0ms
(* (cbrt (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2)) (cbrt (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2)))
52.0ms
(/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a)

prune967.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 29.8b

localize22.0ms

Local error

Found 4 expressions with local error:

26.1b
(sqrt (fma (* a c) -4 (* b b)))
1.1b
(- (sqrt (fma (* a c) -4 (* b b))) b)
0.6b
(fma (* a c) -4 (* b b))
0.1b
(/ (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2) a)

rewrite23.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
fma-neg sqrt-prod
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u associate-/l* add-log-exp
div-sub div-inv
rem-sqrt-square clear-num sub-neg frac-2neg flip3-- pow1/2 fma-udef flip-- associate-/l/
Calls
4 calls:
Slowest
12.0ms
(/ (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2) a)
9.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
1.0ms
(sqrt (fma (* a c) -4 (* b b)))
0.0ms
(fma (* a c) -4 (* b b))

series216.0ms

Calls
4 calls:
Slowest
91.0ms
(/ (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2) a)
45.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
43.0ms
(sqrt (fma (* a c) -4 (* b b)))
37.0ms
(fma (* a c) -4 (* b b))

simplify772.0ms

Calls
26 calls:
Slowest
93.0ms
(- (pow b 2) (* 4 (* a c)))
77.0ms
(- (pow b 2) (* 4 (* a c)))
75.0ms
(* (cbrt (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2)) (cbrt (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2)))
61.0ms
(sqrt (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2))
58.0ms
(sqrt (* (cbrt (fma (* a c) -4 (* b b))) (cbrt (fma (* a c) -4 (* b b)))))

prune936.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 29.8b

localize12.0ms

Local error

Found 4 expressions with local error:

26.1b
(sqrt (fma (* a c) -4 (* b b)))
1.1b
(- (sqrt (fma (* a c) -4 (* b b))) b)
0.6b
(fma (* a c) -4 (* b b))
0.2b
(/ 1 (/ a (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2)))

rewrite10.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
fma-neg sqrt-prod
pow1 associate-/r* add-exp-log
expm1-log1p-u add-cbrt-cube insert-posit16 log1p-expm1-u add-log-exp
associate-/r/ div-inv
rem-sqrt-square rec-exp clear-num sub-neg frac-2neg flip3-- pow1/2 fma-udef pow-flip flip-- inv-pow
Calls
4 calls:
Slowest
6.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
2.0ms
(sqrt (fma (* a c) -4 (* b b)))
1.0ms
(/ 1 (/ a (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2)))
0.0ms
(fma (* a c) -4 (* b b))

series225.0ms

Calls
4 calls:
Slowest
97.0ms
(/ 1 (/ a (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2)))
50.0ms
(sqrt (fma (* a c) -4 (* b b)))
47.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
30.0ms
(fma (* a c) -4 (* b b))

simplify771.0ms

Calls
27 calls:
Slowest
81.0ms
(/ 1 (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2))
79.0ms
(- (pow b 2) (* 4 (* a c)))
71.0ms
(sqrt (/ a (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2)))
69.0ms
(- (pow b 2) (* 4 (* a c)))
58.0ms
(- (pow b 2) (* 4 (* a c)))

prune814.0ms

Pruning

13 alts after pruning (12 fresh and 1 done)

Merged error: 29.8b

localize9.0ms

Local error

Found 4 expressions with local error:

26.1b
(sqrt (fma (* a c) -4 (* b b)))
26.1b
(sqrt (fma (* a c) -4 (* b b)))
1.1b
(- (sqrt (fma (* a c) -4 (* b b))) b)
1.1b
(- (sqrt (fma (* a c) -4 (* b b))) b)

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt fma-neg sqrt-prod
10×*-un-lft-identity add-cube-cbrt
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
rem-sqrt-square sub-neg flip3-- pow1/2 flip--
Calls
4 calls:
Slowest
9.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
8.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
1.0ms
(sqrt (fma (* a c) -4 (* b b)))
1.0ms
(sqrt (fma (* a c) -4 (* b b)))

series236.0ms

Calls
4 calls:
Slowest
65.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
59.0ms
(sqrt (fma (* a c) -4 (* b b)))
57.0ms
(sqrt (fma (* a c) -4 (* b b)))
55.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)

simplify499.0ms

Calls
30 calls:
Slowest
47.0ms
(* (cbrt (sqrt (fma (* a c) -4 (* b b)))) (cbrt (sqrt (fma (* a c) -4 (* b b)))))
46.0ms
(sqrt (* (cbrt (fma (* a c) -4 (* b b))) (cbrt (fma (* a c) -4 (* b b)))))
42.0ms
(sqrt (sqrt (fma (* a c) -4 (* b b))))
41.0ms
(sqrt (sqrt (fma (* a c) -4 (* b b))))
36.0ms
(* (cbrt (sqrt (fma (* a c) -4 (* b b)))) (cbrt (sqrt (fma (* a c) -4 (* b b)))))

prune1.0s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 29.8b

regimes281.0ms

Accuracy

82.9% (0.9b remaining)

Error of 29.7b against oracle of 28.8b and baseline of 34.3b

bsearch449.0ms

end0.0ms

sample3.9s

Algorithm
intervals
Results
988.0ms915×body1280valid
985.0ms1032×body2560valid
808.0ms5797×body80valid
378.0ms2865×body80nan
282.0ms488×body640valid
156.0ms122×body5120valid
98.0ms217×body320valid
26.0ms109×body160valid