Details

Time bar (total: 21.5s)

sample225.0ms

Algorithm
intervals
Results
67.0ms534×pre80true
30.0ms121×body320valid
24.0ms278×body80nan
13.0ms85×body160valid
6.0ms19×body640valid
3.0ms31×body80valid

simplify166.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (13.0ms)

IterNodesCost
01417
12517
24616
38616
410816
511616
done11616

prune9.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 52.8b

localize17.0ms

Local error

Found 4 expressions with local error:

0.0b
(sqrt (- (* b b) (* (* 4.0 a) c)))
0.0b
(- (* b b) (* (* 4.0 a) c))
0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
25.9b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

rewrite181.0ms

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:
24.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
14.0ms
(- (* b b) (* (* 4.0 a) c))
83.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
52.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

series516.0ms

Counts
4 → 12
Calls
4 calls:
130.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
95.0ms
(- (* b b) (* (* 4.0 a) c))
158.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
133.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

simplify1.8s

Counts
102 → 102
Iterations

Useful iterations: done (1.8s)

IterNodesCost
01671697
14331584
214811361
done50001347

prune375.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 0.1b

localize31.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* b b) (* (* 4.0 a) c))
0.1b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.3b
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
0.3b
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

rewrite346.0ms

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:
12.0ms
(- (* b b) (* (* 4.0 a) c))
49.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
166.0ms
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
93.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

series734.0ms

Counts
4 → 12
Calls
4 calls:
70.0ms
(- (* b b) (* (* 4.0 a) c))
137.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
248.0ms
(/ (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (* 2.0 a))
278.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))

simplify2.3s

Counts
243 → 243
Iterations

Useful iterations: done (2.3s)

IterNodesCost
034010026
18127598
232286483
done50006397

prune858.0ms

Pruning

6 alts after pruning (6 fresh and 0 done)

Merged error: 0.0b

localize39.0ms

Local error

Found 4 expressions with local error:

0.3b
(* c (* (* (* 4.0 a) c) (* 4.0 a)))
0.3b
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (/ (- (pow b 4) (* c (* (* (* 4.0 a) c) (* 4.0 a)))) (fma b b (* (* 4.0 a) c))))))
0.3b
(* (* (* 4.0 a) c) (* 4.0 a))
0.4b
(/ (- (pow b 4) (* c (* (* (* 4.0 a) c) (* 4.0 a)))) (fma b b (* (* 4.0 a) c)))

rewrite584.0ms

Algorithm
rewrite-expression-head
Rules
58×add-exp-log add-cbrt-cube
54×pow1 add-sqr-sqrt
42×*-un-lft-identity
37×times-frac pow-prod-down prod-exp cbrt-unprod
26×add-cube-cbrt
12×difference-of-squares
11×associate-/r*
sqrt-prod distribute-lft-out--
associate-/l*
expm1-log1p-u distribute-rgt-neg-in associate-*l* log1p-expm1-u associate-/l/ add-log-exp
cbrt-undiv flip3-- frac-2neg div-exp associate-*r* clear-num associate-/r/ *-commutative flip-- div-inv
flip3-+ div-sub flip-+
Counts
4 → 150
Calls
4 calls:
250.0ms
(* c (* (* (* 4.0 a) c) (* 4.0 a)))
154.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (/ (- (pow b 4) (* c (* (* (* 4.0 a) c) (* 4.0 a)))) (fma b b (* (* 4.0 a) c))))))
111.0ms
(* (* (* 4.0 a) c) (* 4.0 a))
55.0ms
(/ (- (pow b 4) (* c (* (* (* 4.0 a) c) (* 4.0 a)))) (fma b b (* (* 4.0 a) c)))

series603.0ms

Counts
4 → 12
Calls
4 calls:
48.0ms
(* c (* (* (* 4.0 a) c) (* 4.0 a)))
324.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (/ (- (pow b 4) (* c (* (* (* 4.0 a) c) (* 4.0 a)))) (fma b b (* (* 4.0 a) c))))))
32.0ms
(* (* (* 4.0 a) c) (* 4.0 a))
198.0ms
(/ (- (pow b 4) (* c (* (* (* 4.0 a) c) (* 4.0 a)))) (fma b b (* (* 4.0 a) c)))

simplify2.3s

Counts
162 → 162
Iterations

Useful iterations: done (2.3s)

IterNodesCost
02605275
16294987
230884451
done50004433

prune706.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0.0b

localize35.0ms

Local error

Found 4 expressions with local error:

0.0b
(- (* b b) (* (* 4.0 a) c))
0.1b
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
0.3b
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
0.3b
(* (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (/ 1 (* 2.0 a)))

rewrite346.0ms

Algorithm
rewrite-expression-head
Rules
107×add-sqr-sqrt
102×*-un-lft-identity
70×add-cube-cbrt
61×prod-diff
51×add-exp-log
46×times-frac
38×sqrt-prod
29×distribute-rgt-neg-in
27×associate-*l* add-cbrt-cube
21×distribute-lft-neg-in
20×prod-exp
16×div-exp distribute-lft-out-- difference-of-squares
11×fma-neg
10×add-log-exp
cbrt-undiv cbrt-unprod
neg-mul-1 associate-*r* associate-/r*
pow1
expm1-log1p-u rec-exp flip3-- 1-exp associate-/r/ flip-- log1p-expm1-u
diff-log div-inv associate-/l*
sub-neg associate-/l/ unswap-sqr
associate--l- neg-sub0 frac-times frac-2neg flip3-+ associate-*r/ pow-prod-down neg-log associate-*l/ clear-num un-div-inv *-commutative flip-+
Counts
4 → 226
Calls
4 calls:
9.0ms
(- (* b b) (* (* 4.0 a) c))
45.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
106.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
174.0ms
(* (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (/ 1 (* 2.0 a)))

series737.0ms

Counts
4 → 12
Calls
4 calls:
83.0ms
(- (* b b) (* (* 4.0 a) c))
140.0ms
(- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
291.0ms
(/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))))
223.0ms
(* (/ (+ 0 (* (* a c) 4.0)) (- (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))) (/ 1 (* 2.0 a)))

simplify2.8s

Counts
238 → 238
Iterations

Useful iterations: done (2.8s)

IterNodesCost
03459620
18717148
234475898
done50005812

prune778.0ms

Pruning

6 alts after pruning (5 fresh and 1 done)

Merged error: 0b

regimes155.0ms

Accuracy

0% (0.1b remaining)

Error of 0.2b against oracle of 0.0b and baseline of 0.2b

bsearch0.0ms

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01723
12223
done2223

end0.0ms

sample4.8s

Algorithm
intervals
Results
1.7s8339×body80nan
1.1s3606×body320valid
675.0ms16339×pre80true
415.0ms2912×body160valid
195.0ms508×body640valid
139.0ms974×body80valid