Details

Time bar (total: 15.1s)

sample84.0ms

Algorithm
intervals
Results
16.0ms36×body2560valid
15.0ms30×body1280valid
14.0ms187×body80valid
6.0ms79×body80nan
3.0ms10×body640valid
3.0msbody5120valid
1.0msbody320valid
0.0msbody160valid

simplify143.0ms

Counts
1 → 1
Iterations
IterNodes
done156
6156
5152
4142
3115
264
128
014

prune8.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 32.9b

localize18.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
0.6b
(- (* b b) (* 4.0 (* a c)))
0.9b
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
22.6b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite111.0ms

Algorithm
rewrite-expression-head
Rules
20×add-sqr-sqrt
19×*-un-lft-identity
10×add-log-exp
add-cbrt-cube add-exp-log
times-frac add-cube-cbrt 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 clear-num associate-/r* frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 77
Calls
4 calls:
66.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
6.0ms
(- (* b b) (* 4.0 (* a c)))
26.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
12.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series429.0ms

Counts
4 → 12
Calls
4 calls:
138.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4.0 (* a c))))) (* 2.0 a))
82.0ms
(- (* b b) (* 4.0 (* a c)))
119.0ms
(- (- b) (sqrt (- (* b b) (* 4.0 (* a c)))))
90.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify678.0ms

Counts
89 → 89
Iterations
IterNodes
done5000
21618
1411
0155

prune535.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 4.9b

localize21.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* a 2.0) (- (+ b (sqrt (- (* b b) (* 4.0 (* a c))))))))
0.6b
(- (* b b) (* 4.0 (* a c)))
0.9b
(+ b (sqrt (- (* b b) (* 4.0 (* a c)))))
22.6b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite115.0ms

Algorithm
rewrite-expression-head
Rules
102×times-frac
58×*-un-lft-identity
41×add-sqr-sqrt
40×add-cube-cbrt
25×add-exp-log
18×associate-/r*
16×distribute-lft-neg-in distribute-rgt-neg-in
13×add-cbrt-cube
12×div-exp
associate-/r/ distribute-lft-out
distribute-neg-frac add-log-exp
pow1
cbrt-undiv flip3-+ flip-+ div-inv
neg-mul-1
rec-exp 1-exp prod-exp sqrt-prod associate-/l*
flip3-- sqrt-div flip--
+-commutative rem-sqrt-square clear-num sum-log sub-neg frac-2neg sqrt-pow1 pow1/2 diff-log cbrt-unprod pow-flip inv-pow
Counts
4 → 139
Calls
4 calls:
72.0ms
(/ 1 (/ (* a 2.0) (- (+ b (sqrt (- (* b b) (* 4.0 (* a c))))))))
13.0ms
(- (* b b) (* 4.0 (* a c)))
17.0ms
(+ b (sqrt (- (* b b) (* 4.0 (* a c)))))
7.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series501.0ms

Counts
4 → 12
Calls
4 calls:
173.0ms
(/ 1 (/ (* a 2.0) (- (+ b (sqrt (- (* b b) (* 4.0 (* a c))))))))
77.0ms
(- (* b b) (* 4.0 (* a c)))
139.0ms
(+ b (sqrt (- (* b b) (* 4.0 (* a c)))))
112.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.5s

Counts
151 → 151
Iterations
IterNodes
done5001
23039
1688
0261

prune640.0ms

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 4.8b

localize52.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (/ 1 (* 2.0 a)) (- (+ b (sqrt (- (* b b) (* 4.0 (* a c)))))))
0.6b
(- (* b b) (* 4.0 (* a c)))
0.9b
(+ b (sqrt (- (* b b) (* 4.0 (* a c)))))
22.6b
(sqrt (- (* b b) (* 4.0 (* a c))))

rewrite175.0ms

Algorithm
rewrite-expression-head
Rules
23×add-exp-log
16×*-un-lft-identity
13×add-sqr-sqrt add-cbrt-cube
12×associate-*r*
10×prod-exp add-cube-cbrt
add-log-exp
pow1 associate-*l*
distribute-lft-neg-in distribute-rgt-neg-in div-exp cbrt-unprod distribute-neg-frac
flip3-+ times-frac sqrt-prod flip-+ distribute-lft-out
frac-times cbrt-undiv rec-exp distribute-neg-in flip3-- sqrt-div 1-exp associate-*r/ flip--
distribute-rgt-in +-commutative rem-sqrt-square neg-mul-1 sum-log sub-neg distribute-lft-in sqrt-pow1 pow1/2 diff-log pow-prod-down associate-*l/ *-commutative distribute-rgt-neg-out div-inv unswap-sqr
Counts
4 → 86
Calls
4 calls:
140.0ms
(* (/ 1 (* 2.0 a)) (- (+ b (sqrt (- (* b b) (* 4.0 (* a c)))))))
6.0ms
(- (* b b) (* 4.0 (* a c)))
11.0ms
(+ b (sqrt (- (* b b) (* 4.0 (* a c)))))
15.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

series457.0ms

Counts
4 → 12
Calls
4 calls:
171.0ms
(* (/ 1 (* 2.0 a)) (- (+ b (sqrt (- (* b b) (* 4.0 (* a c)))))))
64.0ms
(- (* b b) (* 4.0 (* a c)))
116.0ms
(+ b (sqrt (- (* b b) (* 4.0 (* a c)))))
105.0ms
(sqrt (- (* b b) (* 4.0 (* a c))))

simplify1.7s

Counts
98 → 98
Iterations
IterNodes
done5001
23253
1565
0184

prune582.0ms

Pruning

9 alts after pruning (7 fresh and 2 done)

Merged error: 4.8b

localize60.0ms

Local error

Found 4 expressions with local error:

0.9b
(+ b (sqrt (- (* b b) (* a (* c 4.0)))))
22.6b
(sqrt (- (* b b) (* a (* c 4.0))))
22.6b
(sqrt (- (* b b) (* a (* c 4.0))))
22.6b
(sqrt (- (* b b) (* a (* c 4.0))))

rewrite48.0ms

Algorithm
rewrite-expression-head
Rules
10×add-sqr-sqrt
*-un-lft-identity sqrt-prod
pow1 add-cube-cbrt
sqrt-div add-log-exp
add-cbrt-cube add-exp-log
rem-sqrt-square sqrt-pow1 flip3-- pow1/2 flip--
+-commutative sum-log flip3-+ flip-+ distribute-lft-out
Counts
4 → 57
Calls
4 calls:
19.0ms
(+ b (sqrt (- (* b b) (* a (* c 4.0)))))
7.0ms
(sqrt (- (* b b) (* a (* c 4.0))))
7.0ms
(sqrt (- (* b b) (* a (* c 4.0))))
13.0ms
(sqrt (- (* b b) (* a (* c 4.0))))

series429.0ms

Counts
4 → 12
Calls
4 calls:
115.0ms
(+ b (sqrt (- (* b b) (* a (* c 4.0)))))
102.0ms
(sqrt (- (* b b) (* a (* c 4.0))))
108.0ms
(sqrt (- (* b b) (* a (* c 4.0))))
103.0ms
(sqrt (- (* b b) (* a (* c 4.0))))

simplify517.0ms

Counts
69 → 69
Iterations
IterNodes
done5001
2825
1197
073

prune757.0ms

Pruning

10 alts after pruning (7 fresh and 3 done)

Merged error: 4.8b

regimes433.0ms

Accuracy

85.3% (4.2b remaining)

Error of 10.0b against oracle of 5.8b and baseline of 34.2b

bsearch423.0ms

Steps
ItersRangePoint
9
3.768382185355077e+69
1.107955803311012e+78
7.501979458872916e+77
6
-6.6625002027150184e-136
-1.2670716760605177e-136
-6.596302400897662e-136
9
-1.3974083100475422e-87
-7.780761669250176e-94
-7.877985662156599e-94
10
-4.6999773453873415e+54
-3.4259522644792056e+40
-5.84038254482515e+46

simplify1.3s

Iterations
IterNodes
done5001
132741
121453
11805
10477
9309
8221
7173
6141
5107
489
385
277
166
046

end0.0ms

sample3.5s

Algorithm
intervals
Results
1.1s1045×body2560valid
581.0ms5898×body80valid
397.0ms875×body1280valid
289.0ms2811×body80nan
285.0ms448×body640valid
111.0ms121×body5120valid
53.0ms227×body320valid
16.0ms105×body160valid