Details

Time bar (total: 10.9s)

sample163.0ms

Algorithm
intervals
Results
58.0ms38×body2560valid
30.0ms180×body80valid
18.0ms23×body1280valid
16.0ms106×body80nan
12.0ms19×body640valid
4.0msbody5120valid
2.0msbody160valid
1.0msbody320valid

simplify171.0ms

Calls
1 calls:
Slowest
170.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))

prune14.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 36.2b

localize33.0ms

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)

rewrite32.0ms

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
15.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
14.0ms
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)
2.0ms
(sqrt (fma c (* -4 a) (* b b)))
0.0ms
(fma c (* -4 a) (* b b))

series195.0ms

Calls
4 calls:
Slowest
60.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
57.0ms
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)
44.0ms
(sqrt (fma c (* -4 a) (* b b)))
33.0ms
(fma c (* -4 a) (* b b))

simplify583.0ms

Calls
26 calls:
Slowest
83.0ms
(- (pow b 2) (* 4 (* a c)))
64.0ms
(- (pow b 2) (* 4 (* a c)))
52.0ms
(- (pow b 2) (* 4 (* a c)))
51.0ms
(* (cbrt (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2)) (cbrt (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2)))
41.0ms
(/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a)

prune793.0ms

Pruning

14 alts after pruning (14 fresh and 0 done)

Merged error: 29.8b

localize19.0ms

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)

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
23.0ms
(/ (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2) a)
12.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
2.0ms
(sqrt (fma (* a c) -4 (* b b)))
0.0ms
(fma (* a c) -4 (* b b))

series239.0ms

Calls
4 calls:
Slowest
78.0ms
(/ (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2) a)
65.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
55.0ms
(sqrt (fma (* a c) -4 (* b b)))
42.0ms
(fma (* a c) -4 (* b b))

simplify713.0ms

Calls
26 calls:
Slowest
79.0ms
(- (pow b 2) (* 4 (* a c)))
78.0ms
(- (pow b 2) (* 4 (* a c)))
70.0ms
(- (pow b 2) (* 4 (* a c)))
58.0ms
(* (cbrt (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2)) (cbrt (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2)))
51.0ms
(/ (/ (sqrt (fma (* a c) -4 (* b b))) 2) a)

prune874.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 29.8b

localize6.0ms

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
7.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
1.0ms
(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))

series237.0ms

Calls
4 calls:
Slowest
96.0ms
(/ 1 (/ a (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2)))
57.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
49.0ms
(sqrt (fma (* a c) -4 (* b b)))
35.0ms
(fma (* a c) -4 (* b b))

simplify796.0ms

Calls
27 calls:
Slowest
80.0ms
(/ a (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2))
67.0ms
(sqrt (/ a (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2)))
66.0ms
(cbrt (/ a (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2)))
66.0ms
(- (pow b 2) (* 4 (* a c)))
60.0ms
(/ 1 (/ (- (sqrt (fma (* a c) -4 (* b b))) b) 2))

prune771.0ms

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)

rewrite16.0ms

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
7.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
6.0ms
(- (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)))

series181.0ms

Calls
4 calls:
Slowest
47.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
47.0ms
(sqrt (fma (* a c) -4 (* b b)))
45.0ms
(- (sqrt (fma (* a c) -4 (* b b))) b)
42.0ms
(sqrt (fma (* a c) -4 (* b b)))

simplify435.0ms

Calls
30 calls:
Slowest
33.0ms
(sqrt (* (cbrt (fma (* a c) -4 (* b b))) (cbrt (fma (* a c) -4 (* b b)))))
33.0ms
(* (cbrt (sqrt (fma (* a c) -4 (* b b)))) (cbrt (sqrt (fma (* a c) -4 (* b b)))))
31.0ms
(sqrt (* (cbrt (fma (* a c) -4 (* b b))) (cbrt (fma (* a c) -4 (* b b)))))
31.0ms
(sqrt (* (cbrt (fma (* a c) -4 (* b b))) (cbrt (fma (* a c) -4 (* b b)))))
31.0ms
(sqrt (sqrt (fma (* a c) -4 (* b b))))

prune922.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 29.8b

regimes246.0ms

Accuracy

82.9% (0.9b remaining)

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

bsearch84.0ms

end0.0ms

sample3.3s

Algorithm
intervals
Results
1.1s5797×body80valid
761.0ms1032×body2560valid
537.0ms915×body1280valid
326.0ms2865×body80nan
204.0ms488×body640valid
87.0ms217×body320valid
80.0ms122×body5120valid
20.0ms109×body160valid