Details

Time bar (total: 31.3s)

sample106.0ms

Algorithm
intervals
Results
30.0ms172×body80valid
15.0ms35×body1280valid
15.0ms31×body2560valid
8.0ms20×body640valid
6.0ms82×body80nan
2.0msbody5120valid
2.0msbody320valid
0.0msbody160valid

simplify425.0ms

Counts
1 → 1
Iterations
IterNodes
done98
798
697
595
487
372
242
124
014

prune37.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.7b

localize127.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
0.4b
(- (* b b) (* (* 4.0 a) c))
0.9b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
22.2b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite300.0ms

Algorithm
rewrite-expression-head
Rules
19×*-un-lft-identity
10×add-log-exp
add-cbrt-cube add-exp-log
add-sqr-sqrt
add-cube-cbrt
distribute-lft-out
pow1 times-frac associate-/l*
insert-posit16
distribute-rgt-neg-in sqrt-prod
neg-sub0 cbrt-undiv sum-log flip3-+ flip3-- sqrt-div div-exp associate-+l- flip-+ flip-- associate-/l/
+-commutative rem-sqrt-square clear-num associate-/r* sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 74
Calls
4 calls:
172.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
33.0ms
(- (* b b) (* (* 4.0 a) c))
52.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
39.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series608.0ms

Counts
4 → 12
Calls
4 calls:
189.0ms
(/ (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (* 2.0 a))
102.0ms
(- (* b b) (* (* 4.0 a) c))
162.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
155.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify3.5s

Counts
86 → 86
Iterations
IterNodes
done5001
21368
1414
0158

prune1.3s

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 6.0b

localize133.0ms

Local error

Found 4 expressions with local error:

0.1b
(* (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (/ 1 (* 2.0 a)))
0.4b
(- (* b b) (* (* 4.0 a) c))
0.9b
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
22.2b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite421.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log
16×*-un-lft-identity
13×add-cbrt-cube
11×add-sqr-sqrt
10×prod-exp add-log-exp
add-cube-cbrt
pow1 associate-*r*
associate-*l*
div-exp cbrt-unprod insert-posit16 distribute-lft-out
flip3-+ times-frac sqrt-prod flip-+
frac-times cbrt-undiv rec-exp sum-log distribute-rgt-neg-in flip3-- sqrt-div 1-exp associate-*l/ flip--
neg-sub0 +-commutative rem-sqrt-square sub-neg sqrt-pow1 pow1/2 diff-log pow-prod-down neg-log associate-*r/ un-div-inv *-commutative associate-+l- div-inv unswap-sqr
Counts
4 → 84
Calls
4 calls:
287.0ms
(* (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (/ 1 (* 2.0 a)))
26.0ms
(- (* b b) (* (* 4.0 a) c))
73.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
27.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series635.0ms

Counts
4 → 12
Calls
4 calls:
215.0ms
(* (+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c)))) (/ 1 (* 2.0 a)))
108.0ms
(- (* b b) (* (* 4.0 a) c))
182.0ms
(+ (- b) (sqrt (- (* b b) (* (* 4.0 a) c))))
130.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify4.1s

Counts
96 → 96
Iterations
IterNodes
done5000
21842
1489
0185

prune1.0s

Pruning

8 alts after pruning (7 fresh and 1 done)

Merged error: 6.0b

localize138.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (sqrt (- (* b b) (* a (* c 4.0)))) b) (* 2.0 a))
0.4b
(- (* b b) (* a (* c 4.0)))
0.9b
(- (sqrt (- (* b b) (* a (* c 4.0)))) b)
22.2b
(sqrt (- (* b b) (* a (* c 4.0))))

rewrite440.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
13×*-un-lft-identity
add-cbrt-cube add-exp-log
add-log-exp
add-cube-cbrt
times-frac sqrt-prod associate-/l* difference-of-squares
pow1
flip3-- insert-posit16 flip--
distribute-lft-out--
cbrt-undiv sub-neg sqrt-div diff-log div-exp associate-/l/
rem-sqrt-square clear-num associate-/r* frac-2neg sqrt-pow1 pow1/2 div-sub prod-exp cbrt-unprod div-inv
Counts
4 → 76
Calls
4 calls:
237.0ms
(/ (- (sqrt (- (* b b) (* a (* c 4.0)))) b) (* 2.0 a))
39.0ms
(- (* b b) (* a (* c 4.0)))
132.0ms
(- (sqrt (- (* b b) (* a (* c 4.0)))) b)
28.0ms
(sqrt (- (* b b) (* a (* c 4.0))))

series600.0ms

Counts
4 → 12
Calls
4 calls:
183.0ms
(/ (- (sqrt (- (* b b) (* a (* c 4.0)))) b) (* 2.0 a))
89.0ms
(- (* b b) (* a (* c 4.0)))
168.0ms
(- (sqrt (- (* b b) (* a (* c 4.0)))) b)
160.0ms
(sqrt (- (* b b) (* a (* c 4.0))))

simplify3.6s

Counts
88 → 88
Iterations
IterNodes
done5000
21258
1402
0158

prune970.0ms

Pruning

8 alts after pruning (6 fresh and 2 done)

Merged error: 6.0b

localize211.0ms

Local error

Found 4 expressions with local error:

0.5b
(* (sqrt (sqrt (- (* b b) (* a (* c 4.0))))) (sqrt (sqrt (- (* b b) (* a (* c 4.0))))))
12.2b
(- (* (sqrt (sqrt (- (* b b) (* a (* c 4.0))))) (sqrt (sqrt (- (* b b) (* a (* c 4.0)))))) b)
22.2b
(sqrt (- (* b b) (* a (* c 4.0))))
22.2b
(sqrt (- (* b b) (* a (* c 4.0))))

rewrite458.0ms

Algorithm
rewrite-expression-head
Rules
72×sqrt-prod
51×add-sqr-sqrt
34×sqrt-pow1
29×pow1
28×sqrt-div
18×*-un-lft-identity pow1/2 add-cube-cbrt
15×swap-sqr
flip3-- associate-*r* associate-*l* pow-prod-up flip-- unswap-sqr
add-cbrt-cube add-exp-log add-log-exp
pow-prod-down pow-sqr
frac-times insert-posit16
rem-sqrt-square associate-*l/ associate-*r/
pow2 sub-neg rem-square-sqrt pow-plus sqrt-unprod diff-log prod-exp *-commutative cbrt-unprod difference-of-squares
Counts
4 → 130
Calls
4 calls:
201.0ms
(* (sqrt (sqrt (- (* b b) (* a (* c 4.0))))) (sqrt (sqrt (- (* b b) (* a (* c 4.0))))))
182.0ms
(- (* (sqrt (sqrt (- (* b b) (* a (* c 4.0))))) (sqrt (sqrt (- (* b b) (* a (* c 4.0)))))) b)
34.0ms
(sqrt (- (* b b) (* a (* c 4.0))))
22.0ms
(sqrt (- (* b b) (* a (* c 4.0))))

series546.0ms

Counts
4 → 12
Calls
4 calls:
140.0ms
(* (sqrt (sqrt (- (* b b) (* a (* c 4.0))))) (sqrt (sqrt (- (* b b) (* a (* c 4.0))))))
133.0ms
(- (* (sqrt (sqrt (- (* b b) (* a (* c 4.0))))) (sqrt (sqrt (- (* b b) (* a (* c 4.0)))))) b)
144.0ms
(sqrt (- (* b b) (* a (* c 4.0))))
129.0ms
(sqrt (- (* b b) (* a (* c 4.0))))

simplify5.2s

Counts
142 → 142
Iterations
IterNodes
done5000
32701
2885
1338
0158

prune1.4s

Pruning

8 alts after pruning (5 fresh and 3 done)

Merged error: 6.0b

regimes740.0ms

Accuracy

85.9% (4.1b remaining)

Error of 9.6b against oracle of 5.5b and baseline of 34.5b

bsearch176.0ms

Steps
ItersRangePoint
6
1.6664801848567985e-94
1.3864776888564433e-93
1.1804820682342164e-93
9
-2.0274263258127503e+155
-2.0044150779320932e+149
-2.3213399824345094e+149

simplify28.0ms

Iterations
IterNodes
done31
131
026

end0.0ms

sample3.9s

Algorithm
intervals
Results
781.0ms1056×body2560valid
761.0ms5744×body80valid
689.0ms2913×body80nan
626.0ms978×body1280valid
271.0ms454×body640valid
119.0ms257×body320valid
101.0ms138×body5120valid
24.0ms119×body160valid