Details

Time bar (total: 10.6s)

sample39.0ms

Algorithm
intervals
Results
6.0ms34×body2560valid
6.0ms180×body80valid
5.0ms30×body1280valid
3.0msbody320valid
3.0ms85×body80nan
2.0ms16×body640valid
0.0msbody5120valid
0.0msbody160valid

simplify61.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (6.0ms)

IterNodesCost
01217
12117
24116
37516
48816
59616
done9616

prune6.0ms

Pruning

2 alts after pruning (2 fresh and 0 done)

Merged error: 34.3b

localize10.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
0.6b
(- (* b b) (* (* 3.0 a) c))
1.4b
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
24.3b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite109.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
distribute-rgt-neg-in sqrt-prod
cbrt-undiv neg-sub0 associate-+l- flip3-- flip3-+ sqrt-div div-exp sum-log flip-- flip-+ associate-/l/
+-commutative sub-neg rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 70
Calls
4 calls:
67.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
10.0ms
(- (* b b) (* (* 3.0 a) c))
21.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
9.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series317.0ms

Counts
4 → 12
Calls
4 calls:
111.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))) (* 3.0 a))
50.0ms
(- (* b b) (* (* 3.0 a) c))
84.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
72.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify823.0ms

Counts
82 → 82
Iterations

Useful iterations: done (821.0ms)

IterNodesCost
01541565
13951463
213051247
done50011235

prune200.0ms

Pruning

8 alts after pruning (8 fresh and 0 done)

Merged error: 6.1b

localize13.0ms

Local error

Found 4 expressions with local error:

1.0b
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
3.4b
(/ (/ (+ 0 (* (* 3.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
9.0b
(/ (+ 0 (* (* 3.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
24.3b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite186.0ms

Algorithm
rewrite-expression-head
Rules
90×times-frac
84×add-sqr-sqrt
83×*-un-lft-identity
39×add-cube-cbrt
30×associate-/l*
22×distribute-lft-out-- difference-of-squares
18×add-exp-log add-cbrt-cube
14×sqrt-prod
11×distribute-rgt-neg-in
associate-/r* add-log-exp
cbrt-undiv div-exp
associate-/r/
pow1 flip3-- flip--
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 → 154
Calls
4 calls:
23.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
86.0ms
(/ (/ (+ 0 (* (* 3.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
58.0ms
(/ (+ 0 (* (* 3.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
12.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series503.0ms

Counts
4 → 12
Calls
4 calls:
82.0ms
(- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
156.0ms
(/ (/ (+ 0 (* (* 3.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))) (* 3.0 a))
190.0ms
(/ (+ 0 (* (* 3.0 a) c)) (- (- b) (sqrt (- (* b b) (* (* 3.0 a) c)))))
76.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify907.0ms

Counts
166 → 166
Iterations

Useful iterations: 2 (374.0ms)

IterNodesCost
02535113
16184541
223394211
done50014211

prune386.0ms

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 6.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (* 3.0 a) c)
0.6b
(- (* b b) (* (* 3.0 a) c))
1.4b
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
24.3b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite79.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
10×pow1
add-exp-log add-cbrt-cube
*-un-lft-identity add-log-exp
add-cube-cbrt
sqrt-prod
flip3-- associate-*r* pow-prod-down prod-exp flip-- cbrt-unprod
sub-neg sqrt-div diff-log difference-of-squares
rem-sqrt-square sqrt-pow1 pow1/2 associate-*l* *-commutative distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
17.0ms
(* (* 3.0 a) c)
8.0ms
(- (* b b) (* (* 3.0 a) c))
44.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
9.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series225.0ms

Counts
4 → 12
Calls
4 calls:
20.0ms
(* (* 3.0 a) c)
46.0ms
(- (* b b) (* (* 3.0 a) c))
84.0ms
(- (sqrt (- (* b b) (* (* 3.0 a) c))) b)
74.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify2.4s

Counts
72 → 72
Iterations

Useful iterations: done (2.4s)

IterNodesCost
01201001
1276903
2928825
33466821
done5000815

prune171.0ms

Pruning

11 alts after pruning (10 fresh and 1 done)

Merged error: 6.0b

localize11.0ms

Local error

Found 4 expressions with local error:

0.3b
(/ 1 (* 3.0 a))
0.6b
(- (* b b) (* (* 3.0 a) c))
1.4b
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
24.3b
(sqrt (- (* b b) (* (* 3.0 a) c)))

rewrite54.0ms

Algorithm
rewrite-expression-head
Rules
15×add-exp-log
11×*-un-lft-identity
10×add-log-exp
add-cbrt-cube
pow1 add-sqr-sqrt
add-cube-cbrt
div-exp
times-frac prod-exp sqrt-prod associate-/l*
cbrt-undiv rec-exp flip3-- pow-flip sqrt-div 1-exp sum-log flip-- distribute-lft-out
+-commutative neg-sub0 associate-+l- sub-neg rem-sqrt-square distribute-rgt-neg-in frac-2neg sqrt-pow1 flip3-+ pow1/2 diff-log pow-prod-down neg-log clear-num associate-/r* cbrt-unprod flip-+ div-inv inv-pow
Counts
4 → 70
Calls
4 calls:
11.0ms
(/ 1 (* 3.0 a))
11.0ms
(- (* b b) (* (* 3.0 a) c))
21.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
9.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

series227.0ms

Counts
4 → 12
Calls
4 calls:
17.0ms
(/ 1 (* 3.0 a))
52.0ms
(- (* b b) (* (* 3.0 a) c))
81.0ms
(+ (- b) (sqrt (- (* b b) (* (* 3.0 a) c))))
77.0ms
(sqrt (- (* b b) (* (* 3.0 a) c)))

simplify2.1s

Counts
82 → 82
Iterations

Useful iterations: 3 (916.0ms)

IterNodesCost
01391051
1331934
21035830
34095820
done5001820

prune172.0ms

Pruning

11 alts after pruning (9 fresh and 2 done)

Merged error: 6.0b

regimes354.0ms

Accuracy

82.4% (5.0b remaining)

Error of 11.1b against oracle of 6.0b and baseline of 34.6b

bsearch95.0ms

Steps
ItersRangePoint
8
1.7227097696114035e-146
1.4073942755830443e-143
1.3880700472259379e-143
9
-6.105792782810772e+148
-1.3687074167194226e+141
-2.086872071402004e+144

simplify3.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02740
13240
done3240

end0.0ms

sample1.1s

Algorithm
intervals
Results
226.0ms1092×body2560valid
198.0ms5861×body80valid
146.0ms917×body1280valid
99.0ms2943×body80nan
59.0ms458×body640valid
28.0ms116×body5120valid
20.0ms213×body320valid
6.0ms103×body160valid