Details

Time bar (total: 29.6s)

sample289.0ms

Algorithm
intervals
Results
130.0ms28×body1280valid
32.0ms97×body80nan
29.0ms38×body2560valid
19.0ms178×body80valid
9.0ms20×body640valid
1.0msbody5120valid
1.0msbody320valid
1.0msbody160valid

simplify117.0ms

Calls
1 calls:
Slowest
116.0ms
(/ (+ (- b_2) (sqrt (- (* b_2 b_2) (* a c)))) a)

prune27.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 37.0b

localize37.0ms

Local error

Found 4 expressions with local error:

25.3b
(sqrt (- (* b_2 b_2) (* a c)))
1.5b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
0.8b
(- (* b_2 b_2) (* a c))
0.3b
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)

rewrite132.0ms

Algorithm
rewrite-expression-head
Rules
37×add-sqr-sqrt
26×*-un-lft-identity
18×times-frac
16×add-cube-cbrt
10×difference-of-squares
sqrt-prod add-log-exp
add-cbrt-cube add-exp-log associate-/l*
pow1 distribute-lft-out--
flip3-- insert-posit16 flip--
associate-/r*
sub-neg sqrt-div diff-log associate-/l/
cbrt-undiv rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 div-sub div-exp div-inv
Calls
4 calls:
Slowest
58.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
46.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
16.0ms
(sqrt (- (* b_2 b_2) (* a c)))
7.0ms
(- (* b_2 b_2) (* a c))

series315.0ms

Calls
4 calls:
Slowest
113.0ms
(/ (- (sqrt (- (* b_2 b_2) (* a c))) b_2) a)
85.0ms
(sqrt (- (* b_2 b_2) (* a c)))
76.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
41.0ms
(- (* b_2 b_2) (* a c))

simplify3.7s

Calls
73 calls:
Slowest
335.0ms
(- (* (sqrt (- (* b_2 b_2) (* a c))) (sqrt (- (* b_2 b_2) (* a c)))) (* b_2 b_2))
324.0ms
(sqrt (- (pow (* b_2 b_2) 3) (pow (* a c) 3)))
303.0ms
(/ (* (* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) (* (* a a) a))
244.0ms
(- (pow (sqrt (- (* b_2 b_2) (* a c))) 3) (pow b_2 3))
200.0ms
(- b_2 (* 1/2 (/ (* a c) b_2)))

prune969.0ms

Pruning

5 alts after pruning (5 fresh and 0 done)

Merged error: 8.4b

localize35.0ms

Local error

Found 4 expressions with local error:

25.3b
(sqrt (- (* b_2 b_2) (* a c)))
1.5b
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
0.8b
(- (* b_2 b_2) (* a c))
0.5b
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))

rewrite192.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
18×*-un-lft-identity
13×associate-*r* add-exp-log add-cube-cbrt
11×times-frac
add-cbrt-cube
add-log-exp
pow1
associate-*l*
flip3-- sqrt-prod flip--
prod-exp insert-posit16 difference-of-squares
unswap-sqr
frac-times sub-neg sqrt-div diff-log div-exp associate-*l/ cbrt-unprod distribute-lft-out--
cbrt-undiv rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp pow-prod-down associate-*r/ un-div-inv *-commutative div-inv
Calls
4 calls:
Slowest
133.0ms
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
35.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
14.0ms
(sqrt (- (* b_2 b_2) (* a c)))
8.0ms
(- (* b_2 b_2) (* a c))

series391.0ms

Calls
4 calls:
Slowest
128.0ms
(* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (/ 1 a))
108.0ms
(- (sqrt (- (* b_2 b_2) (* a c))) b_2)
91.0ms
(sqrt (- (* b_2 b_2) (* a c)))
64.0ms
(- (* b_2 b_2) (* a c))

simplify5.2s

Calls
62 calls:
Slowest
537.0ms
(* (* (* (- (sqrt (- (* b_2 b_2) (* a c))) b_2) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) (- (sqrt (- (* b_2 b_2) (* a c))) b_2)) (* (* (/ 1 a) (/ 1 a)) (/ 1 a)))
450.0ms
(* (- (* (sqrt (- (* b_2 b_2) (* a c))) (sqrt (- (* b_2 b_2) (* a c)))) (* b_2 b_2)) 1)
391.0ms
(* (- (pow (sqrt (- (* b_2 b_2) (* a c))) 3) (pow b_2 3)) 1)
332.0ms
(sqrt (- (pow (* b_2 b_2) 3) (pow (* a c) 3)))
242.0ms
(- b_2 (* 1/2 (/ (* a c) b_2)))

prune1.0s

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 8.4b

localize25.0ms

Local error

Found 4 expressions with local error:

25.3b
(sqrt (- (* b_2 b_2) (* a c)))
18.5b
(/ (- 0 (* a c)) a)
0.8b
(- (* b_2 b_2) (* a c))
0.5b
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)

rewrite80.0ms

Algorithm
rewrite-expression-head
Rules
15×*-un-lft-identity
14×add-sqr-sqrt
13×add-cube-cbrt
times-frac
add-log-exp
add-cbrt-cube add-exp-log
pow1
insert-posit16
associate-/r* flip3-- sqrt-prod flip-- associate-/l*
sqrt-div associate-/l/
cbrt-undiv +-commutative rem-sqrt-square clear-num sum-log sub-neg frac-2neg sqrt-pow1 flip3-+ pow1/2 diff-log div-sub div-exp distribute-frac-neg flip-+ div-inv distribute-lft-out sub0-neg
Calls
4 calls:
Slowest
44.0ms
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
14.0ms
(/ (- 0 (* a c)) a)
13.0ms
(- (* b_2 b_2) (* a c))
7.0ms
(sqrt (- (* b_2 b_2) (* a c)))

series259.0ms

Calls
4 calls:
Slowest
99.0ms
(sqrt (- (* b_2 b_2) (* a c)))
90.0ms
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
55.0ms
(- (* b_2 b_2) (* a c))
15.0ms
(/ (- 0 (* a c)) a)

simplify4.7s

Calls
50 calls:
Slowest
1.7s
(/ (* (* (- 0 (* a c)) (- 0 (* a c))) (- 0 (* a c))) (* (* a a) a))
333.0ms
(sqrt (- (pow (* b_2 b_2) 3) (pow (* a c) 3)))
248.0ms
(- (pow 0 3) (pow (* a c) 3))
246.0ms
(- (* 2 b_2) (* 1/2 (/ (* a c) b_2)))
203.0ms
(sqrt (- (* (* b_2 b_2) (* b_2 b_2)) (* (* a c) (* a c))))

prune870.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 8.4b

localize40.0ms

Local error

Found 4 expressions with local error:

25.3b
(sqrt (- (* b_2 b_2) (* a c)))
0.8b
(- (* b_2 b_2) (* a c))
0.5b
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
0.1b
(/ (- c) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2))

rewrite137.0ms

Algorithm
rewrite-expression-head
Rules
55×*-un-lft-identity
40×times-frac
32×add-sqr-sqrt
31×add-cube-cbrt
15×distribute-lft-neg-in distribute-rgt-neg-in
12×distribute-lft-out
10×associate-/l*
add-log-exp
add-cbrt-cube add-exp-log
pow1 neg-mul-1
associate-/r* insert-posit16
sqrt-prod
flip3-+ flip3-- sqrt-div associate-/r/ flip-+ flip--
neg-sub0 cbrt-undiv +-commutative rem-sqrt-square clear-num sum-log sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub div-exp distribute-frac-neg div-inv
Calls
4 calls:
Slowest
62.0ms
(/ (- c) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2))
44.0ms
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
15.0ms
(sqrt (- (* b_2 b_2) (* a c)))
14.0ms
(- (* b_2 b_2) (* a c))

series496.0ms

Calls
4 calls:
Slowest
234.0ms
(/ (- c) (+ (sqrt (- (* b_2 b_2) (* a c))) b_2))
107.0ms
(sqrt (- (* b_2 b_2) (* a c)))
95.0ms
(+ (sqrt (- (* b_2 b_2) (* a c))) b_2)
61.0ms
(- (* b_2 b_2) (* a c))

simplify4.9s

Calls
119 calls:
Slowest
302.0ms
(+ (* (sqrt (- (* b_2 b_2) (* a c))) (sqrt (- (* b_2 b_2) (* a c)))) (- (* b_2 b_2) (* (sqrt (- (* b_2 b_2) (* a c))) b_2)))
255.0ms
(- (* 2 b_2) (* 1/2 (/ (* a c) b_2)))
247.0ms
(sqrt (- (pow (* b_2 b_2) 3) (pow (* a c) 3)))
220.0ms
(- b_2 (* 1/2 (/ (* a c) b_2)))
189.0ms
(sqrt (- (* (* b_2 b_2) (* b_2 b_2)) (* (* a c) (* a c))))

prune1.2s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 8.4b

regimes298.0ms

Accuracy

93.1% (1.7b remaining)

Error of 7.1b against oracle of 5.5b and baseline of 29.4b

bsearch293.0ms

end0.0ms

sample3.8s

Algorithm
intervals
Results
954.0ms920×body1280valid
878.0ms1095×body2560valid
812.0ms5800×body80valid
459.0ms2941×body80nan
229.0ms451×body640valid
120.0ms110×body5120valid
112.0ms243×body320valid
24.0ms116×body160valid