Details

Time bar (total: 20.6s)

sample242.0ms

Algorithm
intervals
Results
65.0ms96×body160valid
26.0ms109×body320valid
19.0ms256×body80nan
17.0ms512×pre80true
4.0ms17×body640valid
2.0ms34×body80valid

simplify138.0ms

Counts
1 → 1
Iterations
IterNodes
done128
5128
4119
386
246
125
014

prune22.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 51.3b

localize22.0ms

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))
26.5b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

rewrite180.0ms

Algorithm
rewrite-expression-head
Rules
22×*-un-lft-identity
11×add-sqr-sqrt
10×fma-def add-cube-cbrt add-log-exp
add-cbrt-cube add-exp-log
distribute-rgt-neg-in distribute-lft-out
pow1 times-frac associate-/l*
expm1-log1p-u log1p-expm1-u
distribute-lft-neg-in sqrt-prod
neg-sub0 cbrt-undiv sum-log flip3-+ flip3-- sqrt-div div-exp associate-+l- flip-+ flip-- associate-/l/
+-commutative rem-sqrt-square clear-num associate-/r* neg-mul-1 sub-neg frac-2neg sqrt-pow1 pow1/2 fma-neg diff-log div-sub prod-diff neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 90
Calls
4 calls:
19.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
13.0ms
(- (* b b) (* (* 4.0 a) c))
113.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
29.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

series495.0ms

Counts
4 → 12
Calls
4 calls:
110.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
57.0ms
(- (* b b) (* (* 4.0 a) c))
182.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
146.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))

simplify1.5s

Counts
102 → 102
Iterations
IterNodes
done5000
22113
1452
0167

prune586.0ms

Pruning

3 alts after pruning (3 fresh and 0 done)

Merged error: 0.1b

localize41.0ms

Local error

Found 4 expressions with local error:

0.1b
(fma c (* 4.0 (- a)) (pow b 2))
0.1b
(- (- b) (sqrt (fma c (* 4.0 (- a)) (pow b 2))))
0.3b
(/ (+ 0 (* (* c a) 4.0)) (- (- b) (sqrt (fma c (* 4.0 (- a)) (pow b 2)))))
0.3b
(/ (/ (+ 0 (* (* c a) 4.0)) (- (- b) (sqrt (fma c (* 4.0 (- a)) (pow b 2))))) (* 2.0 a))

rewrite137.0ms

Algorithm
rewrite-expression-head
Rules
123×add-sqr-sqrt *-un-lft-identity
90×times-frac
79×add-cube-cbrt
60×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-cbrt-cube add-exp-log
10×fma-neg
associate-/r* add-log-exp
cbrt-undiv neg-mul-1 div-exp
associate-/r/
expm1-log1p-u pow1 flip3-- log1p-expm1-u div-inv flip--
associate-/l/
clear-num frac-2neg diff-log prod-exp cbrt-unprod
associate--l- neg-sub0 sub-neg flip3-+ neg-log flip-+ fma-udef
Counts
4 → 225
Calls
4 calls:
0.0ms
(fma c (* 4.0 (- a)) (pow b 2))
16.0ms
(- (- b) (sqrt (fma c (* 4.0 (- a)) (pow b 2))))
57.0ms
(/ (+ 0 (* (* c a) 4.0)) (- (- b) (sqrt (fma c (* 4.0 (- a)) (pow b 2)))))
54.0ms
(/ (/ (+ 0 (* (* c a) 4.0)) (- (- b) (sqrt (fma c (* 4.0 (- a)) (pow b 2))))) (* 2.0 a))

series642.0ms

Counts
4 → 12
Calls
4 calls:
72.0ms
(fma c (* 4.0 (- a)) (pow b 2))
105.0ms
(- (- b) (sqrt (fma c (* 4.0 (- a)) (pow b 2))))
233.0ms
(/ (+ 0 (* (* c a) 4.0)) (- (- b) (sqrt (fma c (* 4.0 (- a)) (pow b 2)))))
231.0ms
(/ (/ (+ 0 (* (* c a) 4.0)) (- (- b) (sqrt (fma c (* 4.0 (- a)) (pow b 2))))) (* 2.0 a))

simplify1.9s

Counts
237 → 237
Iterations
IterNodes
done5000
24041
1781
0322

prune1.3s

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 0b

localize35.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (- (+ b (sqrt (fma 4.0 (- (* a c)) (* b b))))) a)
0.1b
(fma 4.0 (- (* a c)) (* b b))
0.1b
(+ b (sqrt (fma 4.0 (- (* a c)) (* b b))))
0.4b
(/ (* a c) (/ (* (- (+ b (sqrt (fma 4.0 (- (* a c)) (* b b))))) a) 4.0))

rewrite116.0ms

Algorithm
rewrite-expression-head
Rules
27×add-cbrt-cube add-exp-log
19×*-un-lft-identity
15×add-sqr-sqrt
13×times-frac add-cube-cbrt
12×associate-*l*
10×cbrt-undiv div-exp
associate-/r*
pow1 prod-exp cbrt-unprod add-log-exp
distribute-lft-neg-in expm1-log1p-u distribute-rgt-neg-in log1p-expm1-u
fma-def associate-*r* div-inv distribute-lft-out
flip3-+ associate-*l/ flip-+ distribute-neg-frac
distribute-lft-neg-out +-commutative clear-num neg-mul-1 sum-log frac-2neg pow-prod-down associate-/r/ *-commutative fma-udef associate-/l* unswap-sqr
Counts
4 → 99
Calls
4 calls:
80.0ms
(* (- (+ b (sqrt (fma 4.0 (- (* a c)) (* b b))))) a)
0.0ms
(fma 4.0 (- (* a c)) (* b b))
11.0ms
(+ b (sqrt (fma 4.0 (- (* a c)) (* b b))))
21.0ms
(/ (* a c) (/ (* (- (+ b (sqrt (fma 4.0 (- (* a c)) (* b b))))) a) 4.0))

series579.0ms

Counts
4 → 12
Calls
4 calls:
149.0ms
(* (- (+ b (sqrt (fma 4.0 (- (* a c)) (* b b))))) a)
97.0ms
(fma 4.0 (- (* a c)) (* b b))
143.0ms
(+ b (sqrt (fma 4.0 (- (* a c)) (* b b))))
189.0ms
(/ (* a c) (/ (* (- (+ b (sqrt (fma 4.0 (- (* a c)) (* b b))))) a) 4.0))

simplify2.1s

Counts
111 → 111
Iterations
IterNodes
done5001
23729
1580
0201

prune764.0ms

Pruning

6 alts after pruning (4 fresh and 2 done)

Merged error: 0b

localize51.0ms

Local error

Found 4 expressions with local error:

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

rewrite261.0ms

Algorithm
rewrite-expression-head
Rules
504×times-frac
331×*-un-lft-identity
245×add-sqr-sqrt add-cube-cbrt
130×associate-*l*
84×distribute-lft-neg-in distribute-rgt-neg-in
43×distribute-lft-out
42×associate-/l*
30×add-cbrt-cube add-exp-log
21×neg-mul-1
14×associate-/r/ distribute-neg-frac
pow1 cbrt-undiv div-exp prod-exp cbrt-unprod div-inv
flip3-+ flip-+
add-log-exp
expm1-log1p-u log1p-expm1-u
associate-/r* fma-def pow-prod-down
+-commutative clear-num sum-log frac-2neg associate-*r* associate-*l/ *-commutative fma-udef associate-/l/
Counts
4 → 371
Calls
4 calls:
0.0ms
(fma 4.0 (* c (- a)) (* b b))
6.0ms
(+ b (sqrt (fma 4.0 (* c (- a)) (* b b))))
70.0ms
(/ (/ a (- (+ b (sqrt (fma 4.0 (* c (- a)) (* b b)))))) a)
162.0ms
(* (/ (/ a (- (+ b (sqrt (fma 4.0 (* c (- a)) (* b b)))))) a) (* c 4.0))

series728.0ms

Counts
4 → 12
Calls
4 calls:
115.0ms
(fma 4.0 (* c (- a)) (* b b))
118.0ms
(+ b (sqrt (fma 4.0 (* c (- a)) (* b b))))
265.0ms
(/ (/ a (- (+ b (sqrt (fma 4.0 (* c (- a)) (* b b)))))) a)
228.0ms
(* (/ (/ a (- (+ b (sqrt (fma 4.0 (* c (- a)) (* b b)))))) a) (* c 4.0))

simplify800.0ms

Counts
383 → 383
Iterations
IterNodes
done5000
11625
0512

prune3.4s

Pruning

6 alts after pruning (3 fresh and 3 done)

Merged error: 0b

regimes245.0ms

Accuracy

0% (0.4b remaining)

Error of 0.4b against oracle of 0.0b and baseline of 0.4b

bsearch0.0ms

simplify10.0ms

Iterations
IterNodes
done33
333
232
127
020

end0.0ms

sample4.5s

Algorithm
intervals
Results
1.2s8233×body80nan
1.1s3662×body320valid
661.0ms16233×pre80true
561.0ms2940×body160valid
138.0ms471×body640valid
66.0ms927×body80valid