To be clear I did not built Python yet, I used the versions installed on my system. (3.4.1 and 2.78)
After looking at: https://docs.python.org/devguide/ I executed first: python3 -m test -j3 which gave: a1: [6.435562750993995, 6.446765303000575, 6.405053696988034] a2: [4.437405036995187, 4.101042214999325, 4.112324360001367] a3: [4.096015618008096, 4.123215412007994, 4.108890180999879] [1, 5, 6, 9, 11, 13, 19, 20, 28, 30, 34, 38, 39, 40, 42, 49, 52, 53, 57, 58, 62, 63, 66, 68, 72, 73, 74, 76, 78, 82, 83, 85, 86, 88, 96, 98, 102, 105, 109, 110, 114, 118, 121] [1, 5, 6, 9, 11, 13, 19, 20, 28, 30, 34, 38, 39, 40, 42, 49, 52, 53, 57, 58, 62, 63, 66, 68, 72, 73, 74, 76, 78, 82, 83, 85, 86, 88, 96, 98, 102, 105, 109, 110, 114, 118, 121] [1, 5, 6, 9, 11, 13, 19, 20, 28, 30, 34, 38, 39, 40, 42, 49, 52, 53, 57, 58, 62, 63, 66, 68, 72, 73, 74, 76, 78, 82, 83, 85, 86, 88, 96, 98, 102, 105, 109, 110, 114, 118, 121] What is the meaning of this? After this I executed: python2 -m test.regrtest -j3 which gave: a1: [3.996155023574829, 3.9603538513183594, 3.9782469272613525] a2: [4.345172166824341, 4.30767297744751, 4.409227132797241] a3: [4.328500032424927, 4.3080408573150635, 4.324347019195557] [1, 5, 6, 9, 11, 13, 19, 20, 28, 30, 34, 38, 39, 40, 42, 49, 52, 53, 57, 58, 62, 63, 66, 68, 72, 73, 74, 76, 78, 82, 83, 85, 86, 88, 96, 98, 102, 105, 109, 110, 114, 118, 121] [1, 5, 6, 9, 11, 13, 19, 20, 28, 30, 34, 38, 39, 40, 42, 49, 52, 53, 57, 58, 62, 63, 66, 68, 72, 73, 74, 76, 78, 82, 83, 85, 86, 88, 96, 98, 102, 105, 109, 110, 114, 118, 121] [1, 5, 6, 9, 11, 13, 19, 20, 28, 30, 34, 38, 39, 40, 42, 49, 52, 53, 57, 58, 62, 63, 66, 68, 72, 73, 74, 76, 78, 82, 83, 85, 86, 88, 96, 98, 102, 105, 109, 110, 114, 118, 121] /usr/bin/python2: No module named test.regrtest What is happening here? -- Cecil Westerhof Senior Software Engineer LinkedIn: http://www.linkedin.com/in/cecilwesterhof -- https://mail.python.org/mailman/listinfo/python-list