Details

Time bar (total: 17.0s)

sample92.0ms

Algorithm
intervals
Results
23.0ms40×body2560valid
14.0ms35×body1280valid
14.0ms183×body80valid
6.0ms79×body80nan
5.0ms16×body640valid
1.0msbody5120valid
1.0msbody160valid
1.0msbody320valid

simplify92.0ms

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

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.3b

localize32.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
0.2b
(- (* b b) (* (* 4.0 a) c))
1.3b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
24.2b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite152.0ms

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:
75.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
14.0ms
(- (* b b) (* (* 4.0 a) c))
42.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
17.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series471.0ms

Counts
4 → 12
Calls
4 calls:
166.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
66.0ms
(- (* b b) (* (* 4.0 a) c))
134.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
104.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.4s

Counts
102 → 102
Iterations
IterNodes
done5000
22115
1450
0167

prune660.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 3.7b

localize47.0ms

Local error

Found 4 expressions with local error:

1.6b
(- (- b) (sqrt (fma (* a c) (- 4.0) (* b b))))
3.6b
(/ (/ (+ 0 (* (* 4.0 c) a)) (- (- b) (sqrt (fma (* a c) (- 4.0) (* b b))))) (* 2.0 a))
7.8b
(/ (+ 0 (* (* 4.0 c) a)) (- (- b) (sqrt (fma (* a c) (- 4.0) (* b b)))))
24.2b
(sqrt (fma (* a c) (- 4.0) (* b b)))

rewrite124.0ms

Algorithm
rewrite-expression-head
Rules
125×add-sqr-sqrt
124×*-un-lft-identity
90×times-frac
80×add-cube-cbrt
60×prod-diff
44×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/
pow1
expm1-log1p-u flip3-- log1p-expm1-u div-inv flip--
associate-/l/
clear-num frac-2neg diff-log prod-exp cbrt-unprod
associate--l- neg-sub0 rem-sqrt-square sub-neg sqrt-pow1 flip3-+ pow1/2 neg-log flip-+
Counts
4 → 230
Calls
4 calls:
15.0ms
(- (- b) (sqrt (fma (* a c) (- 4.0) (* b b))))
52.0ms
(/ (/ (+ 0 (* (* 4.0 c) a)) (- (- b) (sqrt (fma (* a c) (- 4.0) (* b b))))) (* 2.0 a))
46.0ms
(/ (+ 0 (* (* 4.0 c) a)) (- (- b) (sqrt (fma (* a c) (- 4.0) (* b b)))))
1.0ms
(sqrt (fma (* a c) (- 4.0) (* b b)))

series829.0ms

Counts
4 → 12
Calls
4 calls:
136.0ms
(- (- b) (sqrt (fma (* a c) (- 4.0) (* b b))))
277.0ms
(/ (/ (+ 0 (* (* 4.0 c) a)) (- (- b) (sqrt (fma (* a c) (- 4.0) (* b b))))) (* 2.0 a))
259.0ms
(/ (+ 0 (* (* 4.0 c) a)) (- (- b) (sqrt (fma (* a c) (- 4.0) (* b b)))))
157.0ms
(sqrt (fma (* a c) (- 4.0) (* b b)))

simplify1.7s

Counts
242 → 242
Iterations
IterNodes
done5000
24024
1778
0319

prune1.3s

Pruning

7 alts after pruning (7 fresh and 0 done)

Merged error: 3.6b

localize36.0ms

Local error

Found 4 expressions with local error:

0.3b
(fma b b (* (- a) (* 4.0 c)))
1.6b
(- (- b) (sqrt (fma b b (* (- a) (* 4.0 c)))))
11.6b
(/ (* (* 4.0 c) a) a)
24.2b
(sqrt (fma b b (* (- a) (* 4.0 c))))

rewrite52.0ms

Algorithm
rewrite-expression-head
Rules
60×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-cbrt-cube add-exp-log
10×fma-neg
add-log-exp
neg-mul-1
pow1
expm1-log1p-u log1p-expm1-u
cbrt-undiv associate-/r* times-frac div-exp prod-exp cbrt-unprod
diff-log distribute-lft-out-- difference-of-squares
associate--l- neg-sub0 rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 flip3-- pow1/2 neg-log fma-udef div-inv flip-- associate-/l*
Counts
4 → 140
Calls
4 calls:
0.0ms
(fma b b (* (- a) (* 4.0 c)))
25.0ms
(- (- b) (sqrt (fma b b (* (- a) (* 4.0 c)))))
17.0ms
(/ (* (* 4.0 c) a) a)
2.0ms
(sqrt (fma b b (* (- a) (* 4.0 c))))

series322.0ms

Counts
4 → 12
Calls
4 calls:
95.0ms
(fma b b (* (- a) (* 4.0 c)))
127.0ms
(- (- b) (sqrt (fma b b (* (- a) (* 4.0 c)))))
12.0ms
(/ (* (* 4.0 c) a) a)
88.0ms
(sqrt (fma b b (* (- a) (* 4.0 c))))

simplify1.3s

Counts
152 → 152
Iterations
IterNodes
done5000
22590
1505
0212

prune753.0ms

Pruning

7 alts after pruning (6 fresh and 1 done)

Merged error: 3.6b

localize49.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ (* 4.0 c) 1) (- (- b) (sqrt (fma b b (* (- a) (* 4.0 c))))))
0.3b
(fma b b (* (- a) (* 4.0 c)))
1.6b
(- (- b) (sqrt (fma b b (* (- a) (* 4.0 c)))))
24.2b
(sqrt (fma b b (* (- a) (* 4.0 c))))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
107×add-sqr-sqrt
106×*-un-lft-identity
73×times-frac
70×add-cube-cbrt
60×prod-diff
42×sqrt-prod
30×distribute-rgt-neg-in
21×distribute-lft-neg-in
18×add-exp-log distribute-lft-out-- difference-of-squares
13×add-cbrt-cube
10×fma-neg
div-exp div-inv
add-log-exp
associate-/r* neg-mul-1 associate-/l*
pow1 cbrt-undiv
expm1-log1p-u log1p-expm1-u
flip3-- diff-log 1-exp prod-exp associate-/r/ flip--
associate--l- neg-sub0 rem-sqrt-square clear-num sub-neg frac-2neg sqrt-pow1 pow1/2 neg-log cbrt-unprod fma-udef associate-/l/
Counts
4 → 201
Calls
4 calls:
33.0ms
(/ (/ (* 4.0 c) 1) (- (- b) (sqrt (fma b b (* (- a) (* 4.0 c))))))
0.0ms
(fma b b (* (- a) (* 4.0 c)))
27.0ms
(- (- b) (sqrt (fma b b (* (- a) (* 4.0 c)))))
2.0ms
(sqrt (fma b b (* (- a) (* 4.0 c))))

series596.0ms

Counts
4 → 12
Calls
4 calls:
240.0ms
(/ (/ (* 4.0 c) 1) (- (- b) (sqrt (fma b b (* (- a) (* 4.0 c))))))
81.0ms
(fma b b (* (- a) (* 4.0 c)))
154.0ms
(- (- b) (sqrt (fma b b (* (- a) (* 4.0 c)))))
121.0ms
(sqrt (fma b b (* (- a) (* 4.0 c))))

simplify1.9s

Counts
213 → 213
Iterations
IterNodes
done5001
23335
1721
0291

prune933.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 3.6b

regimes378.0ms

Accuracy

93.1% (1.7b remaining)

Error of 7.0b against oracle of 5.3b and baseline of 29.6b

bsearch285.0ms

Steps
ItersRangePoint
9
2.1340360609407003e+79
6.102484722804822e+84
1.7219779856274558e+83
6
-9.106238092000907e-243
-2.101224228167501e-243
-3.157831273622664e-243
5
-4.0529501114613944e+21
-1.3554105129294137e+21
-3.9950858563514354e+21

simplify10.0ms

Iterations
IterNodes
done70
370
262
155
043

end0.0ms

sample3.3s

Algorithm
intervals
Results
894.0ms931×body1280valid
638.0ms1094×body2560valid
624.0ms5779×body80valid
289.0ms2886×body80nan
163.0ms448×body640valid
88.0ms93×body5120valid
49.0ms226×body320valid
18.0ms125×body160valid