Details

Time bar (total: 7.1s)

sample40.0ms

Algorithm
intervals
Results
9.0ms39×body2560valid
7.0ms183×body80valid
4.0ms24×body1280valid
3.0ms84×body80nan
2.0ms14×body640valid
1.0ms13×body320valid
1.0msbody5120valid
0.0msbody160valid

simplify77.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01417
12817
26317
311417
413117
513717
614017
done14017

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.3b

localize12.0ms

Local error

Found 4 expressions with local error:

0.4b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.8b
(- (* b b) (* 4.0 (* a c)))
1.0b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
21.9b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite55.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-exp-log add-cbrt-cube
add-cube-cbrt times-frac associate-/l*
sqrt-prod distribute-lft-out-- difference-of-squares
pow1
flip3-- flip--
distribute-rgt-neg-in diff-log
cbrt-undiv sub-neg sqrt-div div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp clear-num associate-/r* cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
34.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
3.0ms
(- (* b b) (* 4.0 (* a c)))
12.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series297.0ms

Counts
4 → 12
Calls
4 calls:
97.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
49.0ms
(- (* b b) (* 4.0 (* a c)))
79.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
71.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify451.0ms

Counts
89 → 89
Iterations

Useful iterations: done (448.0ms)

IterNodesCost
01571750
14121650
213981474
done50001465

prune237.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.3b

localize12.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) a)
0.8b
(- (* b b) (* 4.0 (* a c)))
1.0b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
21.9b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite59.0ms

Algorithm
rewrite-expression-head
Rules
38×add-sqr-sqrt
37×*-un-lft-identity
21×times-frac
17×add-cube-cbrt
10×distribute-lft-out-- add-log-exp difference-of-squares
sqrt-prod
associate-/l*
add-exp-log add-cbrt-cube
pow1 distribute-rgt-neg-in
flip3-- flip--
diff-log associate-/r*
sub-neg sqrt-div associate-/l/
cbrt-undiv associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 div-sub div-exp neg-log clear-num div-inv
Counts
4 → 91
Calls
4 calls:
36.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) a)
3.0ms
(- (* b b) (* 4.0 (* a c)))
13.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series286.0ms

Counts
4 → 12
Calls
4 calls:
92.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) a)
48.0ms
(- (* b b) (* 4.0 (* a c)))
74.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
73.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify434.0ms

Counts
103 → 103
Iterations

Useful iterations: done (431.0ms)

IterNodesCost
01602105
13901993
212581859
done50001850

prune270.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.3b

localize17.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 a))
0.8b
(- (* b b) (* 4.0 (* a c)))
1.0b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
21.9b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite76.0ms

Algorithm
rewrite-expression-head
Rules
29×add-sqr-sqrt
22×*-un-lft-identity
13×add-exp-log add-cube-cbrt associate-*r*
11×times-frac
10×add-log-exp
add-cbrt-cube
pow1 associate-*l*
flip3-- sqrt-prod flip--
prod-exp distribute-lft-out-- difference-of-squares
diff-log unswap-sqr
frac-times sub-neg distribute-rgt-neg-in sqrt-div div-exp associate-*l/ cbrt-unprod
cbrt-undiv associate--l- neg-sub0 rem-sqrt-square rec-exp sqrt-pow1 pow1/2 1-exp associate-*r/ pow-prod-down neg-log un-div-inv *-commutative div-inv
Counts
4 → 89
Calls
4 calls:
54.0ms
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 a))
3.0ms
(- (* b b) (* 4.0 (* a c)))
12.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series291.0ms

Counts
4 → 12
Calls
4 calls:
94.0ms
(* (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (/ 1 a))
49.0ms
(- (* b b) (* 4.0 (* a c)))
79.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
69.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify956.0ms

Counts
101 → 101
Iterations

Useful iterations: done (953.0ms)

IterNodesCost
01792007
14551803
217051597
done50001596

prune268.0ms

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 5.3b

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ a (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
0.8b
(- (* b b) (* 4.0 (* a c)))
1.0b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
21.9b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite58.0ms

Algorithm
rewrite-expression-head
Rules
165×times-frac
130×add-sqr-sqrt
129×*-un-lft-identity
77×add-cube-cbrt
27×associate-/r*
26×distribute-lft-out-- difference-of-squares
16×sqrt-prod
15×add-exp-log
13×distribute-rgt-neg-in
10×add-log-exp
associate-/r/ add-cbrt-cube
flip3-- div-exp flip--
pow1
div-inv
cbrt-undiv diff-log associate-/l*
sub-neg rec-exp sqrt-div 1-exp
associate--l- neg-sub0 rem-sqrt-square pow-flip frac-2neg sqrt-pow1 pow1/2 neg-log clear-num inv-pow
Counts
4 → 177
Calls
4 calls:
30.0ms
(/ 1 (/ a (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
3.0ms
(- (* b b) (* 4.0 (* a c)))
12.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
4.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series301.0ms

Counts
4 → 12
Calls
4 calls:
105.0ms
(/ 1 (/ a (- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))))
44.0ms
(- (* b b) (* 4.0 (* a c)))
78.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
74.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.2s

Counts
189 → 189
Iterations

Useful iterations: 2 (229.0ms)

IterNodesCost
02685030
16184534
223254115
done50004115

prune310.0ms

Pruning

7 alts after pruning (5 fresh and 2 done)

Merged error: 5.3b

regimes173.0ms

Accuracy

82.4% (5.0b remaining)

Error of 10.3b against oracle of 5.3b and baseline of 33.6b

bsearch72.0ms

Steps
ItersRangePoint
9
1.790439840991813e+53
4.6520850645607246e+61
1.3316184968738608e+61
2
-4.223797038045246e-104
-3.7861133082378615e-104
-4.1690865718193236e-104

simplify4.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
03043
13941
24141
done4141

end0.0ms

sample1.1s

Algorithm
intervals
Results
239.0ms1069×body2560valid
229.0ms5865×body80valid
154.0ms828×body1280valid
107.0ms2882×body80nan
74.0ms477×body640valid
31.0ms110×body5120valid
27.0ms248×body320valid
8.0ms113×body160valid