Details

Time bar (total: 24.7s)

sample144.0ms

Algorithm
intervals
Results
57.0ms38×body2560valid
23.0ms178×body80valid
20.0ms28×body1280valid
12.0ms97×body80nan
11.0ms20×body640valid
2.0msbody5120valid
2.0msbody320valid
2.0msbody160valid

simplify488.0ms

Calls
1 calls:
Slowest
488.0ms
(/ (+ (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.0b

localize28.0ms

Local error

Found 4 expressions with local error:

25.3b
(sqrt (fma b b (* (* a c) -4)))
1.5b
(- (sqrt (fma b b (* (* a c) -4))) b)
1.0b
(fma b b (* (* a c) -4))
0.2b
(/ (- (sqrt (fma b b (* (* a c) -4))) b) 2)

rewrite29.0ms

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 add-log-exp
associate-/l*
flip3-- flip-- associate-/l/
rem-sqrt-square clear-num sub-neg frac-2neg pow1/2 div-sub fma-udef div-inv
Calls
4 calls:
Slowest
16.0ms
(/ (- (sqrt (fma b b (* (* a c) -4))) b) 2)
11.0ms
(- (sqrt (fma b b (* (* a c) -4))) b)
1.0ms
(sqrt (fma b b (* (* a c) -4)))
0.0ms
(fma b b (* (* a c) -4))

series422.0ms

Calls
4 calls:
Slowest
126.0ms
(/ (- (sqrt (fma b b (* (* a c) -4))) b) 2)
118.0ms
(- (sqrt (fma b b (* (* a c) -4))) b)
104.0ms
(sqrt (fma b b (* (* a c) -4)))
73.0ms
(fma b b (* (* a c) -4))

simplify1.9s

Calls
26 calls:
Slowest
465.0ms
(- (* (sqrt (fma b b (* (* a c) -4))) (sqrt (fma b b (* (* a c) -4)))) (* b b))
169.0ms
(- (pow (sqrt (fma b b (* (* a c) -4))) 3) (pow b 3))
164.0ms
(- b (* 2 (/ (* a c) b)))
140.0ms
(- (* 2 (/ (* a c) b)) (* 2 b))
128.0ms
(* -1 (/ (* a c) b))

prune894.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 12.0b

localize36.0ms

Local error

Found 4 expressions with local error:

25.3b
(sqrt (fma b b (* (* a c) -4)))
13.2b
(/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b)))
3.4b
(/ (/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b))) a)
1.0b
(fma b b (* (* a c) -4))

rewrite40.0ms

Algorithm
rewrite-expression-head
Rules
associate-/l*
add-sqr-sqrt
*-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
expm1-log1p-u pow1 associate-*r/ associate-/r/ insert-posit16 log1p-expm1-u add-log-exp
sqrt-prod div-inv
clear-num frac-2neg flip3-+ times-frac flip-+
cbrt-undiv rem-sqrt-square associate-/r* pow1/2 div-exp fma-udef associate-/l/
Calls
4 calls:
Slowest
18.0ms
(/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b)))
18.0ms
(/ (/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b))) a)
2.0ms
(sqrt (fma b b (* (* a c) -4)))
0.0ms
(fma b b (* (* a c) -4))

series639.0ms

Calls
4 calls:
Slowest
256.0ms
(/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b)))
219.0ms
(/ (/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b))) a)
101.0ms
(sqrt (fma b b (* (* a c) -4)))
63.0ms
(fma b b (* (* a c) -4))

simplify4.0s

Calls
31 calls:
Slowest
1.3s
(/ (* (* (* (* a -4) c) (* (* a -4) c)) (* (* a -4) c)) (* (* (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b)) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b))) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b))))
452.0ms
(sqrt (/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b))))
346.0ms
(+ (* (sqrt (fma b b (* (* a c) -4))) (sqrt (fma b b (* (* a c) -4)))) (- (* b b) (* (sqrt (fma b b (* (* a c) -4))) b)))
324.0ms
(* (cbrt (/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b)))) (cbrt (/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b)))))
281.0ms
(- (log (* (* a -4) c)) (log (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b))))

prune1.0s

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 9.3b

localize26.0ms

Local error

Found 4 expressions with local error:

25.3b
(sqrt (fma b b (* (* a c) -4)))
3.4b
(/ (* (/ a -1/2) (/ c (+ (sqrt (fma b b (* (* a c) -4))) b))) a)
1.5b
(* (/ a -1/2) (/ c (+ (sqrt (fma b b (* (* a c) -4))) b)))
1.0b
(fma b b (* (* a c) -4))

rewrite28.0ms

Algorithm
rewrite-expression-head
Rules
add-sqr-sqrt
*-un-lft-identity add-cube-cbrt
pow1 add-cbrt-cube associate-*r* add-exp-log
expm1-log1p-u associate-*l* insert-posit16 log1p-expm1-u add-log-exp
sqrt-prod div-inv associate-/l/
frac-times associate-*l/ associate-*r/ associate-/r/
rem-sqrt-square clear-num frac-2neg flip3-+ pow1/2 pow-prod-down prod-exp *-commutative cbrt-unprod flip-+ fma-udef associate-/l*
Calls
4 calls:
Slowest
15.0ms
(/ (* (/ a -1/2) (/ c (+ (sqrt (fma b b (* (* a c) -4))) b))) a)
9.0ms
(* (/ a -1/2) (/ c (+ (sqrt (fma b b (* (* a c) -4))) b)))
2.0ms
(sqrt (fma b b (* (* a c) -4)))
0.0ms
(fma b b (* (* a c) -4))

series694.0ms

Calls
4 calls:
Slowest
299.0ms
(* (/ a -1/2) (/ c (+ (sqrt (fma b b (* (* a c) -4))) b)))
213.0ms
(/ (* (/ a -1/2) (/ c (+ (sqrt (fma b b (* (* a c) -4))) b))) a)
103.0ms
(sqrt (fma b b (* (* a c) -4)))
79.0ms
(fma b b (* (* a c) -4))

simplify1.9s

Calls
35 calls:
Slowest
356.0ms
(+ (* (sqrt (fma b b (* (* a c) -4))) (sqrt (fma b b (* (* a c) -4)))) (- (* b b) (* (sqrt (fma b b (* (* a c) -4))) b)))
271.0ms
(- b (* 2 (/ (* a c) b)))
242.0ms
(+ (log (/ a -1/2)) (log (/ c (+ (sqrt (fma b b (* (* a c) -4))) b))))
143.0ms
(* (* (* (/ a -1/2) (/ a -1/2)) (/ a -1/2)) (* (* (/ c (+ (sqrt (fma b b (* (* a c) -4))) b)) (/ c (+ (sqrt (fma b b (* (* a c) -4))) b))) (/ c (+ (sqrt (fma b b (* (* a c) -4))) b))))
111.0ms
(* (/ a -1/2) (/ c (+ (sqrt (fma b b (* (* a c) -4))) b)))

prune959.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 9.3b

localize17.0ms

Local error

Found 4 expressions with local error:

25.3b
(sqrt (fma b b (* (* a c) -4)))
13.2b
(/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b)))
3.4b
(/ a (/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b))))
1.0b
(fma b b (* (* a c) -4))

rewrite19.0ms

Algorithm
rewrite-expression-head
Rules
associate-/r*
add-sqr-sqrt
*-un-lft-identity add-cbrt-cube add-exp-log add-cube-cbrt
associate-/r/
expm1-log1p-u pow1 associate-*r/ insert-posit16 log1p-expm1-u add-log-exp
sqrt-prod div-inv
clear-num frac-2neg flip3-+ times-frac flip-+
cbrt-undiv rem-sqrt-square pow1/2 div-exp fma-udef associate-/l*
Calls
4 calls:
Slowest
14.0ms
(/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b)))
2.0ms
(sqrt (fma b b (* (* a c) -4)))
1.0ms
(/ a (/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b))))
0.0ms
(fma b b (* (* a c) -4))

series611.0ms

Calls
4 calls:
Slowest
303.0ms
(/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b)))
129.0ms
(/ a (/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b))))
104.0ms
(sqrt (fma b b (* (* a c) -4)))
74.0ms
(fma b b (* (* a c) -4))

simplify4.2s

Calls
32 calls:
Slowest
1.2s
(/ (* (* (* (* a -4) c) (* (* a -4) c)) (* (* a -4) c)) (* (* (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b)) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b))) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b))))
387.0ms
(/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b)))
379.0ms
(+ (* (sqrt (fma b b (* (* a c) -4))) (sqrt (fma b b (* (* a c) -4)))) (- (* b b) (* (sqrt (fma b b (* (* a c) -4))) b)))
366.0ms
(cbrt (/ (* (* a -4) c) (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b))))
336.0ms
(- (log (* (* a -4) c)) (log (* 2 (+ (sqrt (fma b b (* (* a c) -4))) b))))

prune985.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 8.6b

regimes376.0ms

Accuracy

83.4% (4.4b remaining)

Error of 10.0b against oracle of 5.6b and baseline of 32.4b

bsearch233.0ms

end0.0ms

sample5.0s

Algorithm
intervals
Results
1.4s1093×body2560valid
991.0ms2941×body80nan
978.0ms5797×body80valid
753.0ms916×body1280valid
276.0ms453×body640valid
118.0ms240×body320valid
115.0ms110×body5120valid
33.0ms120×body160valid