Details

Time bar (total: 18.6s)

sample93.0ms

Algorithm
intervals
Results
26.0ms167×body80valid
17.0ms44×body2560valid
11.0ms32×body1280valid
6.0ms100×body80nan
4.0ms14×body640valid
1.0msbody320valid
1.0msbody5120valid
0.0msbody160valid

simplify91.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (12.0ms)

IterNodesCost
01217
12217
24216
38316
411216
512016
done12016

prune10.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 36.3b

localize22.0ms

Local error

Found 4 expressions with local error:

0.4b
(* (* 3.0 a) c)
0.8b
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
1.0b
(- (* b b) (* (* 3.0 a) c))
25.3b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
13×*-un-lft-identity
10×pow1 add-sqr-sqrt fma-def add-log-exp
add-exp-log add-cube-cbrt add-cbrt-cube
expm1-log1p-u distribute-rgt-neg-in log1p-expm1-u
distribute-lft-neg-in associate-*r* pow-prod-down prod-exp sqrt-prod cbrt-unprod
flip3-- sqrt-div sum-log flip-- distribute-lft-out
+-commutative neg-sub0 associate-+l- neg-mul-1 sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 fma-neg diff-log associate-*l* prod-diff neg-log *-commutative flip-+
Counts
4 → 80
Calls
4 calls:
18.0ms
(* (* 3.0 a) c)
42.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
9.0ms
(- (* b b) (* (* 3.0 a) c))
12.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series400.0ms

Counts
4 → 12
Calls
4 calls:
37.0ms
(* (* 3.0 a) c)
145.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
90.0ms
(- (* b b) (* (* 3.0 a) c))
129.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify2.0s

Counts
92 → 92
Iterations

Useful iterations: done (2.0s)

IterNodesCost
01351109
13611010
21922900
done5000893

prune392.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 12.8b

localize37.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* b b) (* (* 3.0 a) c))
3.4b
(/ (/ (+ 0 (* c (* 3.0 a))) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
11.3b
(/ (+ 0 (* c (* 3.0 a))) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
25.3b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite365.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
80×add-sqr-sqrt
79×*-un-lft-identity
39×add-cube-cbrt
30×associate-/l*
20×distribute-lft-out-- difference-of-squares
18×add-exp-log add-cbrt-cube
13×sqrt-prod
10×distribute-rgt-neg-in
associate-/r*
cbrt-undiv div-exp
associate-/r/ add-log-exp
pow1 flip3-- flip--
expm1-log1p-u log1p-expm1-u div-inv
associate-/l/
frac-2neg sqrt-div prod-exp clear-num cbrt-unprod
sub-neg rem-sqrt-square sqrt-pow1 flip3-+ pow1/2 fma-neg diff-log prod-diff flip-+
Counts
4 → 158
Calls
4 calls:
19.0ms
(- (* b b) (* (* 3.0 a) c))
177.0ms
(/ (/ (+ 0 (* c (* 3.0 a))) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
130.0ms
(/ (+ 0 (* c (* 3.0 a))) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
24.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series651.0ms

Counts
4 → 12
Calls
4 calls:
60.0ms
(- (* b b) (* (* 3.0 a) c))
228.0ms
(/ (/ (+ 0 (* c (* 3.0 a))) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
266.0ms
(/ (+ 0 (* c (* 3.0 a))) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
95.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify3.5s

Counts
170 → 170
Iterations

Useful iterations: 2 (1.1s)

IterNodesCost
02625076
16894517
246434197
done50004197

prune710.0ms

Pruning

16 alts after pruning (16 fresh and 0 done)

Merged error: 12.4b

localize24.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* b b) (* (* 3.0 a) c))
3.4b
(/ (/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) a)
11.3b
(/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
25.3b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite177.0ms

Algorithm
rewrite-expression-head
Rules
74×times-frac
54×add-sqr-sqrt
53×*-un-lft-identity
29×add-cube-cbrt
27×add-exp-log add-cbrt-cube
14×associate-/l*
12×distribute-lft-out-- difference-of-squares
10×cbrt-undiv div-exp associate-/r* associate-/r/
sqrt-prod
flip3-- flip--
distribute-rgt-neg-in prod-exp cbrt-unprod div-inv add-log-exp
pow1
expm1-log1p-u log1p-expm1-u
frac-2neg sqrt-div clear-num
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 fma-neg diff-log prod-diff associate-/l/
Counts
4 → 144
Calls
4 calls:
9.0ms
(- (* b b) (* (* 3.0 a) c))
82.0ms
(/ (/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) a)
61.0ms
(/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
19.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series549.0ms

Counts
4 → 12
Calls
4 calls:
49.0ms
(- (* b b) (* (* 3.0 a) c))
188.0ms
(/ (/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) a)
218.0ms
(/ (* 3.0 (* a c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
94.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify2.2s

Counts
156 → 156
Iterations

Useful iterations: done (2.2s)

IterNodesCost
02664241
17333999
241993606
done50003604

prune732.0ms

Pruning

16 alts after pruning (15 fresh and 1 done)

Merged error: 12.4b

localize44.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (* b b) (* (* 3.0 a) c))
3.4b
(/ (/ 1 (/ (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 (* a c)))) (* 3.0 a))
11.5b
(/ (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 (* a c)))
25.3b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite264.0ms

Algorithm
rewrite-expression-head
Rules
153×times-frac
122×add-exp-log
76×add-sqr-sqrt
75×*-un-lft-identity
63×div-exp
58×add-cbrt-cube
45×associate-/l*
43×add-cube-cbrt
34×prod-exp
27×cbrt-undiv
16×distribute-lft-out-- difference-of-squares
14×cbrt-unprod
11×sqrt-prod
10×div-inv
rec-exp distribute-rgt-neg-in 1-exp
add-log-exp
pow1
expm1-log1p-u log1p-expm1-u
flip3-- flip-- associate-/l/
frac-2neg sqrt-div clear-num associate-/r* associate-/r/
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 fma-neg diff-log div-sub prod-diff
Counts
4 → 195
Calls
4 calls:
11.0ms
(- (* b b) (* (* 3.0 a) c))
113.0ms
(/ (/ 1 (/ (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 (* a c)))) (* 3.0 a))
101.0ms
(/ (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 (* a c)))
20.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series486.0ms

Counts
4 → 12
Calls
4 calls:
80.0ms
(- (* b b) (* (* 3.0 a) c))
176.0ms
(/ (/ 1 (/ (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 (* a c)))) (* 3.0 a))
131.0ms
(/ (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 (* a c)))
99.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify687.0ms

Counts
207 → 207
Iterations

Useful iterations: done (677.0ms)

IterNodesCost
03936101
111775758
done50014984

prune767.0ms

Pruning

12 alts after pruning (10 fresh and 2 done)

Merged error: 6.6b

regimes596.0ms

Accuracy

88.2% (3.2b remaining)

Error of 8.9b against oracle of 5.7b and baseline of 32.9b

bsearch288.0ms

Steps
ItersRangePoint
7
517946.10598021303
17102963.46615162
12147289.827179085
10
-8.138706044250008e-279
-2.4810350231976038e-293
-7.563947638607336e-293
10
-8.097032161796104e+150
-8.691973301260876e+137
-8.996672738587564e+142

simplify6.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
04083
15183
done5183

end0.0ms

sample3.4s

Algorithm
intervals
Results
1.1s1127×body2560valid
683.0ms5718×body80valid
399.0ms2902×body80nan
380.0ms936×body1280valid
140.0ms448×body640valid
70.0ms111×body5120valid
46.0ms223×body320valid
16.0ms111×body160valid