Details

Time bar (total: 13.9s)

sample126.0ms

Algorithm
intervals
Results
47.0ms31×body2560valid
27.0ms201×body80valid
16.0ms26×body1280valid
11.0ms87×body80nan
6.0ms11×body640valid
3.0msbody5120valid
1.0msbody320valid
1.0msbody160valid

simplify177.0ms

Calls
1 calls:
Slowest
176.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4 a) c)))) (* 2 a))

prune24.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 27.5b

localize34.0ms

Local error

Found 3 expressions with local error:

19.5b
(sqrt (fma c (* -4 a) (* b b)))
0.5b
(- (sqrt (fma c (* -4 a) (* b b))) b)
0.1b
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
fma-neg sqrt-prod
associate-/l*
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
div-sub div-inv
rem-sqrt-square clear-num sub-neg frac-2neg flip3-- pow1/2 flip-- associate-/l/
Calls
3 calls:
Slowest
12.0ms
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)
6.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
1.0ms
(sqrt (fma c (* -4 a) (* b b)))

series168.0ms

Calls
3 calls:
Slowest
69.0ms
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)
54.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
45.0ms
(sqrt (fma c (* -4 a) (* b b)))

simplify558.0ms

Calls
23 calls:
Slowest
73.0ms
(* (cbrt (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2)) (cbrt (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2)))
64.0ms
(sqrt (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2))
58.0ms
(/ (/ (sqrt (fma c (* -4 a) (* b b))) 2) a)
49.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
49.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)

prune704.0ms

Pruning

13 alts after pruning (13 fresh and 0 done)

Merged error: 24.4b

localize8.0ms

Local error

Found 4 expressions with local error:

19.5b
(sqrt (fma c (* -4 a) (* b b)))
0.5b
(- (sqrt (fma c (* -4 a) (* b b))) b)
0.2b
(/ 1 (/ a (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2)))
0.1b
(/ a (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2))

rewrite11.0ms

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

series365.0ms

Calls
4 calls:
Slowest
149.0ms
(/ a (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2))
101.0ms
(/ 1 (/ a (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2)))
69.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
47.0ms
(sqrt (fma c (* -4 a) (* b b)))

simplify728.0ms

Calls
31 calls:
Slowest
66.0ms
(sqrt (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2))
62.0ms
(sqrt (/ a (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2)))
59.0ms
(/ a (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2))
56.0ms
(/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2)
55.0ms
(cbrt (/ a (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2)))

prune1.1s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 11.3b

localize6.0ms

Local error

Found 4 expressions with local error:

19.5b
(sqrt (fma c (* -4 a) (* b b)))
0.5b
(- (sqrt (fma c (* -4 a) (* b b))) b)
0.2b
(/ 1 (/ 1 (/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)))
0.2b
(/ 1 (/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a))

rewrite13.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
associate-/r* *-un-lft-identity add-cube-cbrt
pow1 add-exp-log
fma-neg sqrt-prod
pow-flip
expm1-log1p-u rec-exp add-cbrt-cube insert-posit16 log1p-expm1-u div-inv add-log-exp
associate-/r/ inv-pow
clear-num frac-2neg
rem-sqrt-square sub-neg flip3-- pow1/2 flip-- remove-double-div
Calls
4 calls:
Slowest
6.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
4.0ms
(/ 1 (/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a))
2.0ms
(/ 1 (/ 1 (/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)))
1.0ms
(sqrt (fma c (* -4 a) (* b b)))

series290.0ms

Calls
4 calls:
Slowest
125.0ms
(/ 1 (/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a))
61.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
61.0ms
(/ 1 (/ 1 (/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)))
43.0ms
(sqrt (fma c (* -4 a) (* b b)))

simplify1.6s

Calls
34 calls:
Slowest
209.0ms
(sqrt (/ 1 (/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)))
205.0ms
(cbrt (/ 1 (/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)))
184.0ms
(/ 1 (/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a))
165.0ms
(/ 1 (/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a))
134.0ms
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)

prune1.2s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 11.3b

localize1.0ms

Local error

Found 3 expressions with local error:

19.5b
(sqrt (fma c (* -4 a) (* b b)))
0.5b
(- (sqrt (fma c (* -4 a) (* b b))) b)
0.1b
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)

rewrite18.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
fma-neg sqrt-prod
associate-/l*
expm1-log1p-u pow1 add-cbrt-cube add-exp-log insert-posit16 log1p-expm1-u add-log-exp
div-sub div-inv
rem-sqrt-square clear-num sub-neg frac-2neg flip3-- pow1/2 flip-- associate-/l/
Calls
3 calls:
Slowest
11.0ms
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)
6.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
1.0ms
(sqrt (fma c (* -4 a) (* b b)))

series175.0ms

Calls
3 calls:
Slowest
62.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
59.0ms
(/ (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2) a)
54.0ms
(sqrt (fma c (* -4 a) (* b b)))

simplify528.0ms

Calls
23 calls:
Slowest
66.0ms
(* (cbrt (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2)) (cbrt (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2)))
53.0ms
(sqrt (/ (- (sqrt (fma c (* -4 a) (* b b))) b) 2))
48.0ms
(- (sqrt (fma c (* -4 a) (* b b))) b)
45.0ms
(sqrt (* (cbrt (fma c (* -4 a) (* b b))) (cbrt (fma c (* -4 a) (* b b)))))
44.0ms
(sqrt (sqrt (fma c (* -4 a) (* b b))))

prune703.0ms

Pruning

10 alts after pruning (8 fresh and 2 done)

Merged error: 11.3b

regimes287.0ms

Accuracy

80.7% (4.0b remaining)

Error of 16.7b against oracle of 12.7b and baseline of 33.5b

bsearch139.0ms

end0.0ms

sample4.9s

Algorithm
intervals
Results
1.4s5887×body80valid
957.0ms1021×body2560valid
689.0ms456×body640valid
653.0ms926×body1280valid
603.0ms3030×body80nan
153.0ms220×body320valid
108.0ms112×body5120valid
64.0ms117×body160valid