Details

Time bar (total: 15.7s)

sample97.0ms

Algorithm
intervals
Results
23.0ms87×body80nan
17.0ms198×body80valid
15.0ms31×body2560valid
13.0ms28×body1280valid
6.0ms17×body640valid
3.0msbody5120valid
1.0msbody320valid
1.0msbody160valid

simplify124.0ms

Counts
1 → 1
Iterations
IterNodes
done134
7134
6132
5129
4126
3103
262
128
014

prune6.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 34.2b

localize49.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
0.4b
(- (* b b) (* 4 (* a c)))
1.0b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
24.3b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite82.0ms

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-- insert-posit16 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 → 81
Calls
4 calls:
45.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
8.0ms
(- (* b b) (* 4 (* a c)))
19.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
7.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series460.0ms

Counts
4 → 12
Calls
4 calls:
134.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
64.0ms
(- (* b b) (* 4 (* a c)))
135.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
126.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify1.6s

Counts
93 → 93
Iterations
IterNodes
done5000
21254
1400
0154

prune496.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 6.6b

localize48.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (+ (* b b) (* c (* a -4))))) (* 2 a))
0.4b
(+ (* b b) (* c (* a -4)))
1.0b
(- (- b) (sqrt (+ (* b b) (* c (* a -4)))))
24.3b
(sqrt (+ (* b b) (* c (* a -4))))

rewrite95.0ms

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
insert-posit16
distribute-rgt-neg-in
cbrt-undiv flip3-+ flip3-- sqrt-div diff-log div-exp flip-+ flip-- associate-/l/
associate--l- neg-sub0 +-commutative rem-sqrt-square clear-num associate-/r* sum-log sub-neg frac-2neg sqrt-pow1 pow1/2 div-sub neg-log prod-exp cbrt-unprod div-inv
Counts
4 → 80
Calls
4 calls:
55.0ms
(/ (- (- b) (sqrt (+ (* b b) (* c (* a -4))))) (* 2 a))
14.0ms
(+ (* b b) (* c (* a -4)))
15.0ms
(- (- b) (sqrt (+ (* b b) (* c (* a -4)))))
10.0ms
(sqrt (+ (* b b) (* c (* a -4))))

series395.0ms

Counts
4 → 12
Calls
4 calls:
116.0ms
(/ (- (- b) (sqrt (+ (* b b) (* c (* a -4))))) (* 2 a))
68.0ms
(+ (* b b) (* c (* a -4)))
110.0ms
(- (- b) (sqrt (+ (* b b) (* c (* a -4)))))
100.0ms
(sqrt (+ (* b b) (* c (* a -4))))

simplify1.6s

Counts
92 → 92
Iterations
IterNodes
done5000
21334
1412
0156

prune505.0ms

Pruning

10 alts after pruning (10 fresh and 0 done)

Merged error: 6.6b

localize35.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (sqrt (- (* b b) (* 4 (* a c)))) (* 2 a))
0.4b
(- (* b b) (* 4 (* a c)))
7.5b
(- (/ (- b) (* 2 a)) (/ (sqrt (- (* b b) (* 4 (* a c)))) (* 2 a)))
24.3b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite104.0ms

Algorithm
rewrite-expression-head
Rules
15×*-un-lft-identity
12×add-sqr-sqrt
10×times-frac
add-cbrt-cube add-exp-log add-cube-cbrt sqrt-prod
add-log-exp
associate-/l*
pow1
flip3-- sqrt-div insert-posit16 flip--
div-inv distribute-lft-out--
cbrt-undiv sub-neg diff-log div-exp associate-/l/
associate--l- neg-sub0 rem-sqrt-square clear-num associate-/r* distribute-rgt-neg-in frac-2neg sqrt-pow1 distribute-rgt-out-- pow1/2 div-sub prod-exp frac-sub cbrt-unprod sub-div difference-of-squares
Counts
4 → 80
Calls
4 calls:
33.0ms
(/ (sqrt (- (* b b) (* 4 (* a c)))) (* 2 a))
10.0ms
(- (* b b) (* 4 (* a c)))
44.0ms
(- (/ (- b) (* 2 a)) (/ (sqrt (- (* b b) (* 4 (* a c)))) (* 2 a)))
15.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series513.0ms

Counts
4 → 12
Calls
4 calls:
177.0ms
(/ (sqrt (- (* b b) (* 4 (* a c)))) (* 2 a))
50.0ms
(- (* b b) (* 4 (* a c)))
162.0ms
(- (/ (- b) (* 2 a)) (/ (sqrt (- (* b b) (* 4 (* a c)))) (* 2 a)))
124.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify1.3s

Counts
92 → 92
Iterations
IterNodes
done5001
21406
1413
0161

prune546.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 6.6b

localize41.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
0.4b
(- (* b b) (* 4 (* a c)))
1.0b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
24.3b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite74.0ms

Algorithm
rewrite-expression-head
Rules
67×times-frac
48×add-sqr-sqrt
47×*-un-lft-identity
27×add-cube-cbrt
25×add-exp-log
13×associate-/r* add-cbrt-cube
12×div-exp
10×distribute-lft-out-- add-log-exp difference-of-squares
associate-/r/
sqrt-prod
flip3-- flip--
pow1
cbrt-undiv distribute-rgt-neg-in div-inv
insert-posit16
rec-exp diff-log 1-exp prod-exp associate-/l*
sub-neg sqrt-div
associate--l- neg-sub0 rem-sqrt-square clear-num frac-2neg sqrt-pow1 pow1/2 neg-log cbrt-unprod pow-flip inv-pow
Counts
4 → 129
Calls
4 calls:
42.0ms
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
8.0ms
(- (* b b) (* 4 (* a c)))
15.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
7.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series441.0ms

Counts
4 → 12
Calls
4 calls:
159.0ms
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* 4 (* a c)))))))
63.0ms
(- (* b b) (* 4 (* a c)))
118.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
101.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify1.9s

Counts
141 → 141
Iterations
IterNodes
done5000
21799
1571
0229

prune645.0ms

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 6.6b

regimes489.0ms

Accuracy

83% (4.8b remaining)

Error of 10.6b against oracle of 5.8b and baseline of 33.9b

bsearch395.0ms

Steps
ItersRangePoint
9
6.2301214455520334e+75
1.9082112581546424e+85
1.6691257204922504e+85
4
-2.3602019652593256e-123
-1.5355849018748885e-123
-2.3344326820285623e-123
9
-2.9300981025422624e-27
-1.2024011261401705e-33
-6.936587154412951e-28
8
-1.0943378505721803e-12
-1.4409381956716427e-15
-7.363255598823911e-15

simplify12.0ms

Iterations
IterNodes
done38
138
031

end0.0ms

sample3.6s

Algorithm
intervals
Results
1.1s5842×body80valid
725.0ms1057×body2560valid
536.0ms456×body640valid
426.0ms891×body1280valid
271.0ms2845×body80nan
96.0ms228×body320valid
73.0ms114×body5120valid
65.0ms117×body160valid