Details

Time bar (total: 11.0s)

sample43.0ms

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

simplify74.0ms

Counts
1 → 1
Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
01417
12817
26317
311417
413017
513617
613917
done13917

prune3.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.3b

localize14.0ms

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))))

series295.0ms

Counts
4 → 12
Calls
4 calls:
99.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
44.0ms
(- (* b b) (* 4.0 (* a c)))
79.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
72.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify735.0ms

Counts
89 → 89
Iterations

Useful iterations: done (732.0ms)

IterNodesCost
01571750
14051650
213281474
done50001459

prune240.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.3b

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ (- (- 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))))

rewrite68.0ms

Algorithm
rewrite-expression-head
Rules
159×times-frac
128×add-sqr-sqrt
127×*-un-lft-identity
75×add-cube-cbrt
26×distribute-lft-out-- difference-of-squares
25×associate-/l*
16×sqrt-prod
13×distribute-rgt-neg-in
10×add-log-exp
add-exp-log add-cbrt-cube
pow1 div-inv
cbrt-undiv flip3-- diff-log div-exp associate-/r* flip--
sub-neg sqrt-div div-sub
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 neg-log clear-num associate-/l/
Counts
4 → 164
Calls
4 calls:
41.0ms
(/ (/ (- (- 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:
99.0ms
(/ (/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) 2.0) a)
46.0ms
(- (* b b) (* 4.0 (* a c)))
79.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
73.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify736.0ms

Counts
176 → 176
Iterations

Useful iterations: done (729.0ms)

IterNodesCost
02834621
16794441
220184265
done50014264

prune415.0ms

Pruning

9 alts after pruning (9 fresh and 0 done)

Merged error: 5.3b

localize13.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) 2.0) (/ 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))))

rewrite83.0ms

Algorithm
rewrite-expression-head
Rules
57×add-sqr-sqrt
41×*-un-lft-identity
37×times-frac
26×add-exp-log
25×associate-*l*
23×add-cube-cbrt
16×add-cbrt-cube
13×associate-*r*
10×add-log-exp
div-exp prod-exp distribute-lft-out-- difference-of-squares
pow1 sqrt-prod
unswap-sqr
cbrt-undiv distribute-rgt-neg-in cbrt-unprod
flip3-- diff-log flip--
sub-neg rec-exp sqrt-div 1-exp div-inv
associate--l- neg-sub0 frac-times rem-sqrt-square sqrt-pow1 pow1/2 associate-*r/ pow-prod-down neg-log associate-*l/ un-div-inv *-commutative
Counts
4 → 114
Calls
4 calls:
60.0ms
(* (/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) 2.0) (/ 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))))

series489.0ms

Counts
4 → 12
Calls
4 calls:
288.0ms
(* (/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) 2.0) (/ 1 a))
45.0ms
(- (* b b) (* 4.0 (* a c)))
81.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
74.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify658.0ms

Counts
126 → 126
Iterations

Useful iterations: done (654.0ms)

IterNodesCost
02252680
16352466
217802162
done50012161

prune289.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.3b

localize14.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ (/ 1 1) (/ a (/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) 2.0)))
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))))

rewrite223.0ms

Algorithm
rewrite-expression-head
Rules
3701×times-frac
1907×add-sqr-sqrt
1906×*-un-lft-identity
1398×add-cube-cbrt
254×distribute-lft-out-- difference-of-squares
138×div-inv
130×sqrt-prod
127×distribute-rgt-neg-in
80×associate-/r*
64×add-exp-log
54×div-exp
25×add-cbrt-cube
15×cbrt-undiv 1-exp associate-/r/
13×associate-/l*
10×add-log-exp
rec-exp
pow1
flip3-- diff-log flip--
sub-neg sqrt-div
associate--l- neg-sub0 rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 neg-log clear-num associate-/l/
Counts
4 → 1217
Calls
4 calls:
59.0ms
(/ (/ 1 1) (/ a (/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) 2.0)))
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))))

series317.0ms

Counts
4 → 12
Calls
4 calls:
113.0ms
(/ (/ 1 1) (/ a (/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) 2.0)))
49.0ms
(- (* b b) (* 4.0 (* a c)))
78.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
77.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify3.9s

Counts
1229 → 1229
Iterations

Useful iterations: done (3.8s)

IterNodesCost
0148954153
1445343162
done500043106

prune611.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 5.3b

regimes190.0ms

Accuracy

82.3% (5.0b remaining)

Error of 10.3b against oracle of 5.3b and baseline of 33.7b

bsearch68.0ms

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

simplify3.0ms

Iterations

Useful iterations: 1 (2.0ms)

IterNodesCost
02839
13437
done3437

end0.0ms

sample1.1s

Algorithm
intervals
Results
251.0ms1069×body2560valid
225.0ms5865×body80valid
151.0ms828×body1280valid
107.0ms2882×body80nan
68.0ms477×body640valid
30.0ms110×body5120valid
27.0ms248×body320valid
8.0ms113×body160valid