Details

Time bar (total: 17.1s)

sample157.0ms

Algorithm
intervals
Results
40.0ms37×body2560valid
33.0ms194×body80valid
24.0ms28×body1280valid
14.0ms86×body80nan
12.0ms18×body640valid
6.0msbody5120valid
2.0msbody320valid
1.0msbody160valid

simplify156.0ms

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

prune7.0ms

Pruning

1 alts after pruning (1 fresh and 0 done)

Merged error: 35.8b

localize24.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
0.9b
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
1.0b
(- (* b b) (* 4 (* a c)))
25.0b
(sqrt (- (* b b) (* 4 (* a c))))

rewrite119.0ms

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:
55.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
34.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
17.0ms
(- (* b b) (* 4 (* a c)))
12.0ms
(sqrt (- (* b b) (* 4 (* a c))))

series406.0ms

Counts
4 → 12
Calls
4 calls:
129.0ms
(/ (- (- b) (sqrt (- (* b b) (* 4 (* a c))))) (* 2 a))
120.0ms
(- (- b) (sqrt (- (* b b) (* 4 (* a c)))))
60.0ms
(- (* b b) (* 4 (* a c)))
97.0ms
(sqrt (- (* b b) (* 4 (* a c))))

simplify1.3s

Counts
93 → 93
Iterations
IterNodes
done2002
32002
21255
1400
0154

prune1.0s

Pruning

12 alts after pruning (12 fresh and 0 done)

Merged error: 5.6b

localize22.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (- (- b) (sqrt (- (* b b) (* a (* c 4))))) (* 2 a))
0.9b
(- (- b) (sqrt (- (* b b) (* a (* c 4)))))
1.0b
(- (* b b) (* a (* c 4)))
25.0b
(sqrt (- (* b b) (* a (* c 4))))

rewrite101.0ms

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:
56.0ms
(/ (- (- b) (sqrt (- (* b b) (* a (* c 4))))) (* 2 a))
20.0ms
(- (- b) (sqrt (- (* b b) (* a (* c 4)))))
9.0ms
(- (* b b) (* a (* c 4)))
15.0ms
(sqrt (- (* b b) (* a (* c 4))))

series461.0ms

Counts
4 → 12
Calls
4 calls:
168.0ms
(/ (- (- b) (sqrt (- (* b b) (* a (* c 4))))) (* 2 a))
110.0ms
(- (- b) (sqrt (- (* b b) (* a (* c 4)))))
59.0ms
(- (* b b) (* a (* c 4)))
124.0ms
(sqrt (- (* b b) (* a (* c 4))))

simplify1.1s

Counts
93 → 93
Iterations
IterNodes
done2005
32005
21291
1401
0156

prune1.0s

Pruning

11 alts after pruning (11 fresh and 0 done)

Merged error: 5.6b

localize33.0ms

Local error

Found 4 expressions with local error:

0.2b
(* (- (- b) (sqrt (- (* b b) (* a (* c 4))))) (/ 1/2 a))
0.9b
(- (- b) (sqrt (- (* b b) (* a (* c 4)))))
1.0b
(- (* b b) (* a (* c 4)))
25.0b
(sqrt (- (* b b) (* a (* c 4))))

rewrite192.0ms

Algorithm
rewrite-expression-head
Rules
27×add-sqr-sqrt
21×*-un-lft-identity
13×associate-*r* add-cube-cbrt
10×times-frac add-log-exp
add-cbrt-cube add-exp-log
pow1 associate-*l*
flip3-- sqrt-prod flip--
insert-posit16 distribute-lft-out-- difference-of-squares
diff-log
frac-times sub-neg distribute-rgt-neg-in sqrt-div associate-*l/ prod-exp cbrt-unprod unswap-sqr
associate--l- neg-sub0 cbrt-undiv rem-sqrt-square sqrt-pow1 pow1/2 div-exp pow-prod-down neg-log associate-*r/ *-commutative div-inv
Counts
4 → 89
Calls
4 calls:
126.0ms
(* (- (- b) (sqrt (- (* b b) (* a (* c 4))))) (/ 1/2 a))
33.0ms
(- (- b) (sqrt (- (* b b) (* a (* c 4)))))
17.0ms
(- (* b b) (* a (* c 4)))
15.0ms
(sqrt (- (* b b) (* a (* c 4))))

series428.0ms

Counts
4 → 12
Calls
4 calls:
136.0ms
(* (- (- b) (sqrt (- (* b b) (* a (* c 4))))) (/ 1/2 a))
106.0ms
(- (- b) (sqrt (- (* b b) (* a (* c 4)))))
57.0ms
(- (* b b) (* a (* c 4)))
129.0ms
(sqrt (- (* b b) (* a (* c 4))))

simplify1.4s

Counts
101 → 101
Iterations
IterNodes
done2005
32005
21611
1454
0179

prune1.2s

Pruning

10 alts after pruning (9 fresh and 1 done)

Merged error: 5.6b

localize43.0ms

Local error

Found 4 expressions with local error:

0.2b
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* a (* c 4)))))))
0.9b
(- (- b) (sqrt (- (* b b) (* a (* c 4)))))
1.0b
(- (* b b) (* a (* c 4)))
25.0b
(sqrt (- (* b b) (* a (* c 4))))

rewrite92.0ms

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:
37.0ms
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* a (* c 4)))))))
35.0ms
(- (- b) (sqrt (- (* b b) (* a (* c 4)))))
9.0ms
(- (* b b) (* a (* c 4)))
8.0ms
(sqrt (- (* b b) (* a (* c 4))))

series400.0ms

Counts
4 → 12
Calls
4 calls:
128.0ms
(/ 1 (/ (* 2 a) (- (- b) (sqrt (- (* b b) (* a (* c 4)))))))
108.0ms
(- (- b) (sqrt (- (* b b) (* a (* c 4)))))
54.0ms
(- (* b b) (* a (* c 4)))
109.0ms
(sqrt (- (* b b) (* a (* c 4))))

simplify1.0s

Counts
141 → 141
Iterations
IterNodes
done2000
32000
21736
1574
0231

prune1.5s

Pruning

9 alts after pruning (8 fresh and 1 done)

Merged error: 5.6b

regimes401.0ms

Accuracy

83.7% (4.5b remaining)

Error of 9.8b against oracle of 5.3b and baseline of 33.2b

bsearch217.0ms

Steps
ItersRangePoint
9
1.1500868835104234e+100
1.1016243770318365e+105
2.5703497435733685e+102
10
-1.094129558870314e-56
-1.2317994276347943e-74
-1.8774910265390396e-73

simplify15.0ms

Iterations
IterNodes
done44
344
240
135
024

end0.0ms

sample4.3s

Algorithm
intervals
Results
1.6s1095×body2560valid
826.0ms5820×body80valid
740.0ms948×body1280valid
342.0ms2996×body80nan
203.0ms445×body640valid
101.0ms225×body320valid
81.0ms98×body5120valid
25.0ms116×body160valid