Details

Time bar (total: 17.3s)

sample99.0ms

Algorithm
intervals
Results
33.0ms190×body80valid
15.0ms35×body2560valid
10.0ms29×body1280valid
6.0ms92×body80nan
4.0ms16×body640valid
1.0msbody320valid
1.0msbody5120valid
0.0msbody160valid

simplify116.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (14.0ms)

IterNodesCost
01217
12217
24216
38216
410416
511216
done11216

prune5.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 33.5b

localize12.0ms

Local error

Found 4 expressions with local error:

0.2b
(- (* b b) (* (* 3.0 a) c))
0.5b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
1.1b
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
22.0b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite194.0ms

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:
14.0ms
(- (* b b) (* (* 3.0 a) c))
121.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
43.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
12.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series371.0ms

Counts
4 → 12
Calls
4 calls:
52.0ms
(- (* b b) (* (* 3.0 a) c))
121.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
94.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
103.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify1.5s

Counts
102 → 102
Iterations

Useful iterations: done (1.5s)

IterNodesCost
01671697
14271586
214501363
done50001349

prune469.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 4.6b

localize18.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
4.7b
(/ (/ (+ 0 (* (* c 3.0) a)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
8.2b
(/ (+ 0 (* (* c 3.0) a)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
22.0b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite330.0ms

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-exp-log add-cbrt-cube
10×fma-neg
associate-/r* add-log-exp
cbrt-undiv neg-mul-1 div-exp
associate-/r/
pow1 flip3-- flip--
expm1-log1p-u log1p-expm1-u div-inv
associate-/l/
frac-2neg sqrt-div diff-log prod-exp clear-num cbrt-unprod
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 neg-log flip-+
Counts
4 → 232
Calls
4 calls:
42.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
150.0ms
(/ (/ (+ 0 (* (* c 3.0) a)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
102.0ms
(/ (+ 0 (* (* c 3.0) a)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
12.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series780.0ms

Counts
4 → 12
Calls
4 calls:
123.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
288.0ms
(/ (/ (+ 0 (* (* c 3.0) a)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
254.0ms
(/ (+ 0 (* (* c 3.0) a)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
114.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify2.0s

Counts
244 → 244
Iterations

Useful iterations: done (2.0s)

IterNodesCost
033710067
18087605
230246508
done50006422

prune857.0ms

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 4.6b

localize20.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
4.7b
(/ (/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
8.2b
(/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
22.0b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite274.0ms

Algorithm
rewrite-expression-head
Rules
73×add-sqr-sqrt
72×*-un-lft-identity
60×prod-diff
52×add-cube-cbrt
45×add-exp-log add-cbrt-cube
38×sqrt-prod
34×times-frac
26×distribute-rgt-neg-in
21×distribute-lft-neg-in
17×cbrt-undiv div-exp
14×associate-/l*
13×prod-exp cbrt-unprod
10×fma-neg distribute-lft-out-- difference-of-squares
associate-/r* add-log-exp
neg-mul-1
associate-/r/
pow1 flip3-- flip--
expm1-log1p-u log1p-expm1-u div-inv
frac-2neg sqrt-div diff-log clear-num
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 pow1/2 neg-log associate-/l/
Counts
4 → 198
Calls
4 calls:
51.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
105.0ms
(/ (/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
90.0ms
(/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
12.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series655.0ms

Counts
4 → 12
Calls
4 calls:
113.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
194.0ms
(/ (/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
255.0ms
(/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
92.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify2.0s

Counts
210 → 210
Iterations

Useful iterations: done (2.0s)

IterNodesCost
03128542
17936451
230375095
done50005009

prune574.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 4.6b

localize20.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
4.4b
(/ (/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) a)
8.2b
(/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
22.0b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite286.0ms

Algorithm
rewrite-expression-head
Rules
99×add-sqr-sqrt
98×*-un-lft-identity
74×times-frac
70×add-cube-cbrt
60×prod-diff
40×sqrt-prod
28×distribute-rgt-neg-in
27×add-exp-log add-cbrt-cube
21×distribute-lft-neg-in
14×associate-/l* distribute-lft-out-- difference-of-squares
10×cbrt-undiv fma-neg div-exp associate-/r* associate-/r/
add-log-exp
neg-mul-1 flip3-- flip--
prod-exp cbrt-unprod div-inv
pow1
expm1-log1p-u log1p-expm1-u
frac-2neg sqrt-div diff-log clear-num
associate--l- neg-sub0 sub-neg rem-sqrt-square sqrt-pow1 pow1/2 neg-log associate-/l/
Counts
4 → 218
Calls
4 calls:
47.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
120.0ms
(/ (/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) a)
83.0ms
(/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
20.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series632.0ms

Counts
4 → 12
Calls
4 calls:
88.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
191.0ms
(/ (/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) a)
243.0ms
(/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
107.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify1.7s

Counts
230 → 230
Iterations

Useful iterations: done (1.7s)

IterNodesCost
03409232
18477069
231145901
done50015815

prune733.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 4.6b

regimes563.0ms

Accuracy

83.4% (4.7b remaining)

Error of 9.9b against oracle of 5.3b and baseline of 33.3b

bsearch190.0ms

Steps
ItersRangePoint
11
1.5906747666251227e-34
6.100620313640196e-08
1.611450844781215e-34
9
-6.354265220965125e+156
-1.769171722317776e+149
-1.0084023741576003e+154

simplify4.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02740
13240
done3240

end0.0ms

sample3.0s

Algorithm
intervals
Results
826.0ms849×body1280valid
522.0ms5881×body80valid
505.0ms1076×body2560valid
228.0ms2915×body80nan
150.0ms467×body640valid
83.0ms214×body320valid
55.0ms106×body5120valid
15.0ms121×body160valid