Tag: packed-arrays

117 What is a Mathematica packed array? 2012-03-25T21:44:05.453

53 Are there guidelines for avoiding the unpacking of a packed array? 2012-05-07T01:41:44.027

25 Why does list assignment with a packed array result in unpacked values? 2013-07-22T14:16:48.150

21 Why does ImageData need four times more memory? 2013-01-10T12:01:17.020

19 How can I determine the type of a packed array? 2017-10-10T08:11:10.130

19 Is it possible to avoid unpacking when merging Association? 2019-03-10T16:11:14.093

18 Unpacked eigenvectors of complex matrices 2013-11-02T21:00:21.427

16 Why doesn't Mathematica pack Boolean arrays? 2012-08-24T15:08:07.090

16 RandomChoice output isn't packed 2018-02-08T17:00:08.893

15 How do you determine the optimal autocompilation length on your system 2012-01-19T22:18:27.100

13 Fast way to export large amount of data in "Table" format 2016-07-04T20:54:45.307

13 Why are these timings for Pick so different? 2016-08-24T10:36:12.873

13 Why does MapAt unpack individual elements? 2016-10-07T14:13:19.097

13 Convert Real packed array of pairs to Complex packed array 2017-10-18T13:08:19.307

12 Why does Outer sometimes return a packed array, and sometimes not? 2016-01-14T11:49:38.800

12 What changed in String handling between 11.0 and 11.3? 2018-10-01T00:56:08.557

12 Unexpected behavior of the procedure `Area` on the object 'Polygon' 2019-03-22T14:22:21.587

11 Future-proofing access to packed array tools 2012-01-24T12:27:24.547

11 Speeding up construction of simple tridiagonal matrix 2012-10-13T20:17:40.173

11 Building sparse array from packed arrays 2014-06-27T22:30:32.050

10 Speed up construction of a dense matrix 2016-01-08T00:19:53.130

10 Different timing with large array assignment 2019-11-28T10:11:43.253

9 Unexpected behavior from GatherBy in version 7 2012-01-23T13:21:47.367

9 Forcing efficient numerical arrays 2012-10-08T05:36:33.883

9 How to efficiently write into PackedArrays that are stored in Associations? 2017-07-02T21:09:10.473

8 RegionMeasure on packed array crashes Kernel in version 11.1 2017-03-19T15:46:07.123

7 Fastest way to test if a numerical array has complex elements 2013-02-19T00:12:56.017

7 Why does array packing in Table behave like this? 2013-03-28T21:20:57.943

7 Fast function to do multiple rectangle region checks 2018-01-21T17:38:26.477

7 How to send packed array from math kernel to 3rd party app via WSTP 2018-08-27T01:06:00.883

7 Why can't (partially) packed arrays be used in this example? 2018-08-27T15:12:36.310

7 Avoiding unpacking an array when altering its dimension 2019-03-05T01:58:29.523

6 Why are so many built-in numerical function doesn't check its argument is packed array or not? 2015-11-29T02:35:12.450

6 PackedArray and Dot results in undesired unpacking 2017-01-12T11:57:02.370

6 Unexpected result of Clip 2017-06-16T08:17:25.487

6 Packing and unpacking of arrays with Map/Table 2018-07-23T10:06:22.940

5 Multidimensional array reduction through summation over one of its dimensions 2012-07-27T17:48:48.413

5 Discrepancy with TakeWhile between RandomInteger result and list on Linux 2012-12-20T10:11:25.787

5 Isn't it possible to Pack a SparseArray? 2013-12-15T17:06:54.893

5 ReplaceAll performance problem: packed arrays on the LHS are unpacked when the RHS is too long 2014-05-30T15:08:41.523

5 Efficient way to replace a value in packed array of integers 2017-06-11T05:21:46.333

5 Unexpected timing result of Total and Part performance of packed array 2021-02-14T14:16:35.133

4 Memory usage of timeseries - lists of {Integer32, Real32} 2013-10-15T17:44:15.900

4 Getting directly a packed array of repeated packed arrays 2016-07-18T15:37:07.357

4 Can't initialise packed array of rational numbers 2020-11-18T15:56:35.557

3 Nested list can not be packed? 2016-03-30T05:05:29.480

3 Accelerating the construction of a ParallelTable 2016-09-10T15:32:03.467

3 revisit Table unpacking issue 2017-11-04T13:33:07.667

3 Strange unpacking of a packed array with Insert 2018-04-12T21:23:01.277

3 PackedArray version of Chop 2018-07-06T21:19:59.540

3 Possible speed improvement for numerical linear algebra? 2019-05-28T21:28:23.263

2 How can I permute a multiset? 2012-08-13T16:42:11.790

2 Use elements of Array inside function definition 2012-12-04T14:50:02.473

2 Compilation of a function that needs to call Subsets 2014-11-23T20:41:51.740

2 Memory optimization for exporting "VideoFrames" with many large Array plots 2017-06-09T11:07:17.400

2 Efficiently create an array of values of a function 2017-09-06T13:28:14.160

2 Clarification on how Total[] can be used on multi-dimensional array 2019-04-17T16:42:08.867

2 Why Does Subsets[...,{n}] not Output a Packed List, Even Though it Doesn't Unpack? 2020-08-02T10:25:04.723

1 Memory handling by ConstantArray 2013-06-09T18:58:55.887

1 Looking for a package for data on (sparse) uniform grids 2016-08-03T16:18:31.147

1 Reap unpacks packed arrays 2017-05-22T14:37:14.813

1 Is there a way to reduce size of complex number? 2017-10-27T06:21:36.090

1 Excessive usage of memory while using ArrayFlatten or Flatten 2020-05-07T12:46:11.263

1 spontaneously quitting kernel, assignment and packed arrays 2020-11-25T17:52:07.750

1 Compression results in unpacking of integers but not reals 2021-01-15T12:47:27.967

0 Handling really large Arrays (by possibly using lower precision) 2015-06-05T17:18:28.923

0 Using Set without unpacking an array 2016-10-28T16:00:18.483