Details

Time bar (total: 9.8s)

sample66.0ms

Algorithm
intervals
Results
15.0ms533×pre80true
12.0ms112×body320valid
10.0ms277×body80nan
7.0ms98×body160valid
3.0ms19×body640valid
1.0ms27×body80valid

simplify51.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01417
12517
24516
38716
410616
511416
done11416

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 52.9b

localize12.0ms

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))
28.5b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
11×add-sqr-sqrt
10×add-cube-cbrt fma-def add-log-exp
add-exp-log add-cbrt-cube
distribute-rgt-neg-in distribute-lft-out
pow1 times-frac associate-/l*
expm1-log1p-u log1p-expm1-u
distribute-lft-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative neg-mul-1 sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log div-sub prod-diff neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 90
Calls
4 calls:
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
3.0ms
(- (* b b) (* (* 4.0 a) c))
38.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
13.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

series301.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
44.0ms
(- (* b b) (* (* 4.0 a) c))
105.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
81.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

simplify517.0ms

Counts
102 → 102
Iterations

Useful iterations: done (514.0ms)

IterNodesCost
01671697
14461584
215951361
done50011351

prune240.0ms

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

rewrite119.0ms

Algorithm
rewrite-expression-head
Rules
123×add-sqr-sqrt *-un-lft-identity
90×times-frac
79×add-cube-cbrt
61×prod-diff
41×sqrt-prod
32×distribute-rgt-neg-in
30×associate-/l*
22×distribute-lft-out-- difference-of-squares
21×distribute-lft-neg-in
18×add-exp-log add-cbrt-cube
11×fma-neg
10×add-log-exp
associate-/r*
cbrt-undiv neg-mul-1 div-exp
associate-/r/
flip3-- flip--
pow1 expm1-log1p-u log1p-expm1-u 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 → 231
Calls
4 calls:
19.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
3.0ms
(- (* b b) (* (* 4.0 a) c))
35.0ms
(/ (+ (* b (- b b)) (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
52.0ms
(/ (/ (+ (* b (- b b)) (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))

series421.0ms

Counts
4 → 12
Calls
4 calls:
78.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
48.0ms
(- (* b b) (* (* 4.0 a) c))
166.0ms
(/ (+ (* b (- b b)) (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
129.0ms
(/ (/ (+ (* b (- b b)) (* 4.0 (* a c))) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))

simplify1.5s

Counts
243 → 243
Iterations

Useful iterations: done (1.5s)

IterNodesCost
034510784
18808250
232526674
done50006650

prune600.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 0b

localize19.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (- (* b b) (* (* 4.0 a) c)))
0.1b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.1b
(- (* b b) (* (* 4.0 a) c))
0.3b
(/ (+ (* b (- b b)) (* 4.0 (* a c))) (* (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))

rewrite62.0ms

Algorithm
rewrite-expression-head
Rules
61×prod-diff
53×add-sqr-sqrt
52×*-un-lft-identity
48×add-cube-cbrt
34×sqrt-prod
22×distribute-rgt-neg-in
21×distribute-lft-neg-in
13×add-exp-log add-cbrt-cube
11×fma-neg
10×add-log-exp
neg-mul-1
pow1
expm1-log1p-u flip3-- flip-- log1p-expm1-u
cbrt-undiv times-frac diff-log div-exp prod-exp cbrt-unprod associate-/l*
sub-neg sqrt-div associate-*r/ associate-/r/ associate-/l/ distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 flip3-+ pow1/2 neg-log clear-num associate-/r* flip-+ div-inv
Counts
4 → 152
Calls
4 calls:
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
17.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
3.0ms
(- (* b b) (* (* 4.0 a) c))
32.0ms
(/ (+ (* b (- b b)) (* 4.0 (* a c))) (* (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))

series325.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
79.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
44.0ms
(- (* b b) (* (* 4.0 a) c))
130.0ms
(/ (+ (* b (- b b)) (* 4.0 (* a c))) (* (* 2.0 a) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))))

simplify1.3s

Counts
164 → 164
Iterations

Useful iterations: done (1.3s)

IterNodesCost
02697056
17114988
226783820
done50003804

prune388.0ms

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 0b

localize16.0ms

Local error

Found 4 expressions with local error:

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

rewrite60.0ms

Algorithm
rewrite-expression-head
Rules
107×add-sqr-sqrt *-un-lft-identity
76×times-frac
71×add-cube-cbrt
61×prod-diff
39×sqrt-prod
30×distribute-rgt-neg-in
21×distribute-lft-neg-in
18×add-exp-log add-cbrt-cube distribute-lft-out-- difference-of-squares
11×fma-neg
10×div-inv associate-/l* add-log-exp
associate-/r*
cbrt-undiv neg-mul-1 div-exp
pow1 expm1-log1p-u log1p-expm1-u
flip3-- diff-log flip--
sub-neg frac-2neg prod-exp clear-num associate-/r/ cbrt-unprod
associate--l- neg-sub0 neg-log associate-/l/
Counts
4 → 213
Calls
4 calls:
28.0ms
(/ (/ (fma (* c 4.0) a 0) (* 2.0 a)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
17.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
3.0ms
(- (* b b) (* (* 4.0 a) c))
3.0ms
(/ (fma (* c 4.0) a 0) (* 2.0 a))

series345.0ms

Counts
4 → 12
Calls
4 calls:
181.0ms
(/ (/ (fma (* c 4.0) a 0) (* 2.0 a)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
78.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
48.0ms
(- (* b b) (* (* 4.0 a) c))
38.0ms
(/ (fma (* c 4.0) a 0) (* 2.0 a))

simplify1.1s

Counts
225 → 225
Iterations

Useful iterations: done (1.1s)

IterNodesCost
03159204
17737262
229365980
done50005979

prune481.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0b

regimes104.0ms

Accuracy

0% (0.1b remaining)

Error of 0.1b against oracle of 0.0b and baseline of 0.1b

bsearch0.0ms

simplify2.0ms

Iterations

Useful iterations: 0 (0.0ms)

IterNodesCost
01417
11717
done1717

end0.0ms

sample1.7s

Algorithm
intervals
Results
389.0ms3624×body320valid
321.0ms16210×pre80true
291.0ms8210×body80nan
211.0ms2991×body160valid
69.0ms472×body640valid
33.0ms913×body80valid