Details

Time bar (total: 20.3s)

sample230.0ms

Algorithm
intervals
Results
25.0ms116×body320valid
19.0ms252×body80nan
17.0ms508×pre80true
15.0ms100×body160valid
6.0ms21×body640valid
2.0ms19×body80valid

simplify204.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (27.0ms)

IterNodesCost
01417
12417
24416
37816
49116
59916
done9916

prune11.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 54.6b

localize33.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (- (* b b) (* (* 4.0 a) c)))
0.1b
(- (* b b) (* (* 4.0 a) c))
0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
27.1b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

rewrite178.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
distribute-rgt-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 70
Calls
4 calls:
12.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
8.0ms
(- (* b b) (* (* 4.0 a) c))
101.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
51.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

series439.0ms

Counts
4 → 12
Calls
4 calls:
102.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
60.0ms
(- (* b b) (* (* 4.0 a) c))
140.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
137.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

simplify1.4s

Counts
82 → 82
Iterations

Useful iterations: done (1.4s)

IterNodesCost
01541565
14011461
213421245
done50011233

prune325.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize18.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (* b b) (* (* 4.0 a) c))
0.1b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.3b
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
0.3b
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

rewrite346.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
82×add-sqr-sqrt *-un-lft-identity
38×add-cube-cbrt
30×associate-/l*
22×distribute-lft-out-- difference-of-squares
18×add-exp-log add-cbrt-cube
11×distribute-rgt-neg-in sqrt-prod
10×add-log-exp
associate-/r*
cbrt-undiv div-exp
associate-/r/
flip3-- flip--
pow1 div-inv
diff-log associate-/l/
sub-neg frac-2neg prod-exp clear-num cbrt-unprod
associate--l- neg-sub0 flip3-+ neg-log flip-+
Counts
4 → 151
Calls
4 calls:
16.0ms
(- (* b b) (* (* 4.0 a) c))
48.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
148.0ms
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
121.0ms
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series753.0ms

Counts
4 → 12
Calls
4 calls:
67.0ms
(- (* b b) (* (* 4.0 a) c))
140.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
249.0ms
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
297.0ms
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify1.6s

Counts
163 → 163
Iterations

Useful iterations: 2 (661.0ms)

IterNodesCost
02475048
16124510
224994166
done50004166

prune692.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0b

localize21.0ms

Local error

Found 4 expressions with local error:

0.1b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.1b
(/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
0.3b
(/ (/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a)
0.3b
(* (/ (* 4.0 (* a c)) 2.0) (/ (/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a))

rewrite420.0ms

Algorithm
rewrite-expression-head
Rules
338×times-frac
267×add-sqr-sqrt
256×*-un-lft-identity
151×add-cube-cbrt
107×add-exp-log
85×associate-*r*
65×add-cbrt-cube
52×distribute-lft-out-- difference-of-squares
47×div-exp
35×prod-exp
30×associate-/l*
26×distribute-rgt-neg-in sqrt-prod
25×cbrt-undiv
21×cbrt-unprod
16×associate-/r/
11×div-inv
10×associate-/r*
flip3-- flip--
add-log-exp
pow1 associate-*l*
rec-exp 1-exp
unswap-sqr
frac-2neg diff-log clear-num
associate--l- neg-sub0 frac-times sub-neg pow-flip associate-*r/ pow-prod-down neg-log associate-*l/ *-commutative associate-/l/ inv-pow
Counts
4 → 335
Calls
4 calls:
43.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
57.0ms
(/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
91.0ms
(/ (/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a)
196.0ms
(* (/ (* 4.0 (* a c)) 2.0) (/ (/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a))

series638.0ms

Counts
4 → 12
Calls
4 calls:
113.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
149.0ms
(/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
164.0ms
(/ (/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a)
211.0ms
(* (/ (* 4.0 (* a c)) 2.0) (/ (/ 1 (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) a))

simplify2.3s

Counts
347 → 347
Iterations

Useful iterations: 2 (1.0s)

IterNodesCost
043210281
111979280
239238279
done50018279

prune1.1s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

localize53.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (cbrt (pow (- (pow b 2) (* 4.0 (* a c))) 3))))) (* 2.0 a))
0.3b
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (cbrt (pow (- (pow b 2) (* 4.0 (* a c))) 3)))))
0.5b
(cbrt (pow (- (pow b 2) (* 4.0 (* a c))) 3))
0.7b
(pow (- (pow b 2) (* 4.0 (* a c))) 3)

rewrite477.0ms

Algorithm
rewrite-expression-head
Rules
166×add-sqr-sqrt
138×times-frac
96×*-un-lft-identity
60×difference-of-squares
56×add-cube-cbrt
52×cbrt-prod
50×sqrt-prod
42×associate-/l*
20×distribute-lft-out--
19×add-exp-log add-cbrt-cube
16×unpow-prod-down cube-prod
12×associate-/r* sqr-pow
10×distribute-rgt-neg-in
cbrt-undiv div-exp
associate-/r/
pow1 flip3-- flip--
cube-div div-inv add-log-exp
pow-unpow associate-/l/
cube-mult cbrt-div frac-2neg unpow3 prod-exp clear-num cbrt-unprod
pow-to-exp pow-pow flip3-+ pow1/3 pow-exp rem-cbrt-cube flip-+ rem-cube-cbrt
Counts
4 → 209
Calls
4 calls:
216.0ms
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (cbrt (pow (- (pow b 2) (* 4.0 (* a c))) 3))))) (* 2.0 a))
198.0ms
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (cbrt (pow (- (pow b 2) (* 4.0 (* a c))) 3)))))
20.0ms
(cbrt (pow (- (pow b 2) (* 4.0 (* a c))) 3))
31.0ms
(pow (- (pow b 2) (* 4.0 (* a c))) 3)

series748.0ms

Counts
4 → 12
Calls
4 calls:
237.0ms
(/ (/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (cbrt (pow (- (pow b 2) (* 4.0 (* a c))) 3))))) (* 2.0 a))
314.0ms
(/ (+ 0 (* (* 4.0 a) c)) (- (- b) (sqrt (cbrt (pow (- (pow b 2) (* 4.0 (* a c))) 3)))))
60.0ms
(cbrt (pow (- (pow b 2) (* 4.0 (* a c))) 3))
135.0ms
(pow (- (pow b 2) (* 4.0 (* a c))) 3)

simplify2.0s

Counts
221 → 221
Iterations

Useful iterations: 2 (835.0ms)

IterNodesCost
03407876
18086400
232586014
done50006014

prune1.1s

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 0b

regimes147.0ms

Accuracy

0% (0.4b remaining)

Error of 0.5b against oracle of 0.0b and baseline of 0.5b

bsearch0.0ms

simplify7.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01925
12625
done2625

end0.0ms

sample5.0s

Algorithm
intervals
Results
1.2s16302×pre80true
941.0ms3635×body320valid
811.0ms8302×body80nan
594.0ms2951×body160valid
581.0ms513×body640valid
65.0ms901×body80valid