Hello. Thanks in advance to anyone who can help me. I'm trying to run a psmatch procedure with pscores already in the dataset. I can run a greedy match fine but if I try to do a varratio or mah distance I get the insufficient memory error. I've tried different values of memsize, finally setting it to 0, but still get the error. I have 32G of ram with large amounts of hd space for virtual memory. The last run of varratio, kmin=1 kmax=2, returned the error with: ERROR: The SAS System stopped processing this step because of insufficient memory. WARNING: The data set WORK.MATCH_GREEDY_EVENT may be incomplete. When this step was stopped there were 0 observations and 159 variables. NOTE: PROCEDURE PSMATCH used (Total process time): real time 5:16.59 user cpu time 3:08.21 system cpu time 2:08.23 memory 7390631.12k OS Memory 7410196.00k Timestamp 12/31/2019 09:29:59 PM Step Count 2 Switch Count 3 This is despite: Group=MEMORY SORTSIZE=1073741824 Specifies the amount of memory that is available to the SORT procedure. SUMSIZE=0 Specifies a limit on the amount of memory that is available for data summarization procedures when class variables are active. MAXMEMQUERY=0 Specifies the maximum amount of memory that is allocated for procedures. MEMBLKSZ=16777216 Specifies the memory block size for Windows memory-based libraries. MEMMAXSZ=2147483648 Specifies the maximum amount of memory to allocate for using memory-based libraries. LOADMEMSIZE=0 Specifies a suggested amount of memory that is needed for executable programs loaded by SAS. MEMSIZE=22438694400 Specifies the limit on the amount of virtual memory that can be used during a SAS session. REALMEMSIZE=0 Specifies the amount of real memory SAS can expect to allocate. NOTE: PROCEDURE OPTIONS used (Total process time): real time 0.00 seconds user cpu time 0.00 seconds system cpu time 0.00 seconds memory 198.21k OS Memory 16872.00k Timestamp 12/31/2019 09:38:27 PM Step Count 1 Switch Count 0 3 4 %put Free RAM = %sysfunc(putn(%sysfunc(getoption(xmrlmem))/1024**2,comma10.))MB; Free RAM = 17,106MB Again, this is with memsize set to 0. I've even tried upping the amount of virtual memory so I had about 60G total but set it back to let windows manage it. If anyone can help with a suggestion, I'd really appreciate it. Also, if someone can explain with fullstimer stops at 7G when there is still a lot of slack that would really help me understand how SAS and windows are managing my memory. Thank you.
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