Details

Time bar (total: 8.9s)

sample61.0ms

Algorithm
intervals
Results
10.0ms33×body2560valid
10.0ms176×body80valid
7.0ms29×body1280valid
4.0ms78×body80nan
3.0ms16×body640valid
3.0msbody5120valid
1.0msbody320valid
1.0msbody160valid

simplify52.0ms

Counts
1 → 1
Iterations

Useful iterations: 2 (5.0ms)

IterNodesCost
01417
12417
24416
37816
49016
59816
done9816

prune8.0ms

Filtered
1 candidates to 1 candidates (0.0%)
Pruning

1 alts after pruning (1 fresh and 0 done)

PrunedKeptTotal
New011
Fresh101
Picked000
Done000
Total112

Merged error: 35.5b

Counts
2 → 1

localize11.0ms

Local error

Found 4 expressions with local error:

0.1b
(/ (/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) 2.0) a)
1.0b
(- (* b b) (* (* 4.0 a) c))
1.7b
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
21.7b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite38.0ms

Algorithm
rewrite-expression-head
Rules
138×times-frac
121×add-sqr-sqrt
94×*-un-lft-identity
68×add-cube-cbrt
26×difference-of-squares
22×associate-/l*
16×sqrt-prod
13×distribute-lft-out--
add-exp-log add-cbrt-cube
add-log-exp
pow1 div-inv
cbrt-undiv flip3-- div-exp associate-/r* flip--
sub-neg sqrt-div diff-log div-sub
rem-sqrt-square frac-2neg sqrt-pow1 pow1/2 clear-num associate-/l/
Counts
4 → 149
Calls
4 calls:
14.0ms
(/ (/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) 2.0) a)
4.0ms
(- (* b b) (* (* 4.0 a) c))
7.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series65.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(/ (/ (- (sqrt (- (* b b) (* (* 4.0 a) c))) b) 2.0) a)
9.0ms
(- (* b b) (* (* 4.0 a) c))
15.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
15.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify873.0ms

Counts
161 → 161
Iterations

Useful iterations: 2 (313.0ms)

IterNodesCost
02774079
16553908
219633756
done50003756

prune345.0ms

Filtered
114 candidates to 161 candidates (-41.2%)
Pruning

11 alts after pruning (10 fresh and 1 done)

PrunedKeptTotal
New15110161
Fresh000
Picked011
Done000
Total15111162

Merged error: 5.7b

Counts
162 → 11

localize14.0ms

Local error

Found 4 expressions with local error:

1.7b
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
1.7b
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
21.7b
(sqrt (- (* b b) (* (* 4.0 a) c)))
21.7b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite25.0ms

Algorithm
rewrite-expression-head
Rules
16×add-sqr-sqrt
10×*-un-lft-identity
sqrt-prod add-log-exp
pow1 add-cube-cbrt
add-exp-log flip3-- sqrt-div add-cbrt-cube flip-- difference-of-squares
sub-neg rem-sqrt-square sqrt-pow1 pow1/2 diff-log distribute-lft-out--
Counts
4 → 60
Calls
4 calls:
8.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
8.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series62.0ms

Counts
4 → 12
Calls
4 calls:
18.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
15.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
15.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))
15.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.4s

Counts
72 → 72
Iterations

Useful iterations: 3 (291.0ms)

IterNodesCost
0811250
11841108
25811048
320121036
done50001036

prune188.0ms

Filtered
56 candidates to 72 candidates (-28.6%)
Pruning

11 alts after pruning (9 fresh and 2 done)

PrunedKeptTotal
New72072
Fresh099
Picked011
Done011
Total721183

Merged error: 5.7b

Counts
83 → 11

localize17.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt a)
1.0b
(- (* b b) (* (* 4.0 a) c))
1.7b
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
21.7b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
11×add-sqr-sqrt
*-un-lft-identity add-log-exp
add-cube-cbrt
pow1
add-exp-log sqrt-prod add-cbrt-cube
cbrt-prod flip3-- flip--
sub-neg sqrt-div diff-log difference-of-squares
rem-sqrt-square sqrt-pow1 pow1/2 pow1/3 distribute-lft-out--
Counts
4 → 53
Calls
4 calls:
1.0ms
(cbrt a)
4.0ms
(- (* b b) (* (* 4.0 a) c))
8.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
6.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series65.0ms

Counts
4 → 12
Calls
4 calls:
26.0ms
(cbrt a)
9.0ms
(- (* b b) (* (* 4.0 a) c))
15.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
15.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.7s

Counts
65 → 65
Iterations

Useful iterations: 3 (458.0ms)

IterNodesCost
0122925
1258838
2756774
32629758
done5001758

prune129.0ms

Filtered
48 candidates to 65 candidates (-35.4%)
Pruning

11 alts after pruning (9 fresh and 2 done)

PrunedKeptTotal
New62365
Fresh268
Picked101
Done022
Total651176

Merged error: 5.7b

Counts
76 → 11

localize21.0ms

Local error

Found 4 expressions with local error:

0.6b
(cbrt (cbrt a))
1.0b
(- (* b b) (* (* 4.0 a) c))
1.7b
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
21.7b
(sqrt (- (* b b) (* (* 4.0 a) c)))

rewrite20.0ms

Algorithm
rewrite-expression-head
Rules
12×add-sqr-sqrt
cbrt-prod *-un-lft-identity
add-log-exp
add-cube-cbrt
pow1
add-exp-log sqrt-prod add-cbrt-cube
flip3-- flip--
sub-neg sqrt-div diff-log difference-of-squares
rem-sqrt-square sqrt-pow1 pow1/2 pow1/3 distribute-lft-out--
Counts
4 → 56
Calls
4 calls:
2.0ms
(cbrt (cbrt a))
4.0ms
(- (* b b) (* (* 4.0 a) c))
8.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
4.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

series72.0ms

Counts
4 → 12
Calls
4 calls:
31.0ms
(cbrt (cbrt a))
9.0ms
(- (* b b) (* (* 4.0 a) c))
17.0ms
(- (sqrt (- (* b b) (* (* 4.0 a) c))) b)
15.0ms
(sqrt (- (* b b) (* (* 4.0 a) c)))

simplify1.5s

Counts
68 → 68
Iterations

Useful iterations: 3 (482.0ms)

IterNodesCost
0132968
1273878
2781812
32663799
done5000799

prune103.0ms

Filtered
51 candidates to 68 candidates (-33.3%)
Pruning

11 alts after pruning (8 fresh and 3 done)

PrunedKeptTotal
New66268
Fresh268
Picked011
Done022
Total681179

Merged error: 5.7b

Counts
79 → 11

regimes370.0ms

Accuracy

84.8% (4.4b remaining)

Error of 10.3b against oracle of 5.9b and baseline of 34.5b

bsearch56.0ms

Steps
ItersRangePoint
7
2.951159271200378e-80
1.7529870675191086e-78
3.6492548177152135e-79
9
-1.5966504054646543e+104
-1.4637683111029664e+99
-4.7868277875676773e+101

simplify2.0ms

Iterations

Useful iterations: 0 (1.0ms)

IterNodesCost
02638
13038
done3038

end0.0ms

sample1.7s

Algorithm
intervals
Results
349.0ms1070×body2560valid
322.0ms5830×body80valid
238.0ms906×body1280valid
159.0ms2972×body80nan
98.0ms484×body640valid
51.0ms130×body5120valid
30.0ms198×body320valid
11.0ms102×body160valid

Profiling

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