Re: RFR: 8007446: Add /MP to cl.exe speeds up windows builds of OpenJDK.

2013-10-04 Thread Magnus Ihse Bursie
On 2013-10-03 11:14, Erik Joelsson wrote: Please review this simple patch adding /MP to the windows cl.exe command lines when supported. In my tests, the speed improvement is around 40% on the hotspot part of the build on the Stockholm jprt queue and my local build. This is really low hanging f

Re: RFR: 8007446: Add /MP to cl.exe speeds up windows builds of OpenJDK.

2013-10-03 Thread Christian Tornqvist
Looks good, many thanks for fixing this! Thanks, Christian On Oct 3, 2013, at 5:01, Erik Joelsson wrote: > Please review this simple patch adding /MP to the windows cl.exe command > lines when supported. In my tests, the speed improvement is around 40% on the > hotspot part of the build on th

Re: RFR: 8007446: Add /MP to cl.exe speeds up windows builds of OpenJDK.

2013-10-03 Thread Staffan Larsen
Looks good! I can sponsor the push. Thanks, /Staffan On 3 okt 2013, at 11:14, Erik Joelsson wrote: > Please review this simple patch adding /MP to the windows cl.exe command > lines when supported. In my tests, the speed improvement is around 40% on the > hotspot part of the build on the Stoc

RFR: 8007446: Add /MP to cl.exe speeds up windows builds of OpenJDK.

2013-10-03 Thread Erik Joelsson
Please review this simple patch adding /MP to the windows cl.exe command lines when supported. In my tests, the speed improvement is around 40% on the hotspot part of the build on the Stockholm jprt queue and my local build. This is really low hanging fruit for build speed improvements. http:/