How to use multiple cores in SAS

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How to use multiple cores in SAS?

• Prof. Eric A. Suess
• Department of Statistics

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Dual Core Processors

• One of the new technologies in desktop computers
  are dual core processors
• The other is 64 bit computing
• Frys Ads

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Dual Core Processors AMD
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Dual Core Processors Intel
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What is the difference?

• The Windows Task Manager gives two CPU Usage
  Histories

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Windows Task Manager Was
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Windows Task Manager Now
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SAS Options

• Using the OPTIONS in SAS you can access both
  Processor Cores to take advantage of the parallel
  processing capabilities in SAS
• OPTIONS THREADS YES CPUCOUNT 2

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No activity
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OPTIONS THREADSYES CPUCOUNT1
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OPTIONS THREADSYES CPUCOUNT1
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No Activity
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OPTIONS THREADSYES CPUCOUNT2Data Step
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OPTIONS THREADSYES CPUCOUNT2Proc Means
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OPTIONS THREADSYES CPUCOUNT2Proc Sort
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OPTIONS THREADSYES CPUCOUNT2Proc Means
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No Activity
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OPTIONS THREADSYES CPUCOUNT1
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OPTIONS THREADSYES CPUCOUNT4 Proc Means
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OPTIONS THREADSYES CPUCOUNT4 Proc Sort
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Consider using your CPUCOUNT

• To fully utilize the CPU power in your computer
  and to utilize the parallel processing
  capabilities in SAS PROCs such as PROC MEANS and
  PROC SORT consider using the SAS OPTIONs THREADS
  AND CSPUCOUNT