Evangelos P. Markatos Mark Crovella Prakash Das Cezary Dubnicki Thomas J. LeBlanc The effects of multiprogramming on barrier synchronization. 662-669 1991 SPDP http://dx.doi.org/10.1109/SPDP.1991.218199 conf/spdp/1991 db/conf/spdp/spdp1991.html#MarkatosCDDL91