27 %macro mp_testwritespeedlibrary(lib=WORK
34 %let ds=%mf_getuniquename();
35 %
do %until(%mf_existds(&lib..&ds)=0);
36 %let ds=%mf_getuniquename();
39 %let start=%sysfunc(datetime());
41 data &lib..&ds(compress=no keep=x);
43 size=(1073741824/8 * &size) - header;
54 start_dttm=put(&start,datetime19.);
55 end_dttm=put(datetime(),datetime19.);
56 duration_seconds=end_dttm-start_dttm;