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Stata gets the most out of multicore systems.
No other statistical software comes close.
Almost every computer can take advantage of the advanced multiprocessing capabilities of Stata/MP. Stata/MP provides the most extensive multicore support of any statistics and data management package.
Stata/MP lets you analyze data in less time on inexpensive multicore laptops and desktops as well as on multiprocessor servers. Use just 2 cores, and your analyses run in one-half to two-thirds the time compared with Stata/SE. Use 4 cores, and cut the time to one-quarter to one-half. Use more for even faster analyses. Stata/MP supports up to 64 cores/processors.
Speed is often most crucial when performing computationally intense estimation procedures. A few of Stata's estimation procedures, including linear regression, are nearly perfectly parallelized, meaning they run twice as fast on 2 cores, four times as fast on 4 cores, eight times as fast on 8 cores, and so on. Some estimation commands can be parallelized more than others. Taken at the median, estimation commands run 1.7 times faster on 2 cores, 2.6 times faster on 4 cores, and 3.4 times faster on 8 cores.
Speed can also be important when managing large datasets. Adding new variables is nearly 100% parallelized, and sorting is 61% parallelized.
Some procedures are not parallelized, and some are inherently sequential, meaning they run the same speed in Stata/MP.
For a complete assessment of Stata/MP's performance, including command-by-command statistics, see the Stata/MP Performance Report.
Stata/SE can analyze up to 2 billion observations. Stata/MP can analyze 10 to 20 billion observations on the largest computers currently available and is ready to analyze up to 1 trillion observations once computer hardware catches up. Stata/MP also allows 120,000 variables compared to 32,767 variables allowed by Stata/SE.
| Max. no. of variables |
Max. no. of independent variables |
Max. no. of observations |
|
|---|---|---|---|
| Stata/MP | 120,000 | 65,532 | 20 billion* |
| Stata/SE | 32,767 | 10,998 | 2.14 billion |
| Stata/BE | 2,048 | 798 | 2.14 billion |
| *The maximum number of observations is limited by the amount of available RAM on your system. |
Analyses do not have to be reformulated or modified in any way to obtain Stata/MP's speed improvements.
Which is to say, all platforms supported by Stata.
To run Stata/MP, you can use a desktop computer with a dual-core or quad-core processor, or you can use a server with multiple processors. Whether a computer has separate processors or one processor with multiple cores makes no difference. More processors or cores make Stata/MP run faster.
For more advice on hardware, see our discussion of hardware for Stata/MP.
For more information, please contact us or read the complete Stata/MP Performance Report.
