https://community.intel.com/t5/OpenCL-for-CPU/enqueue-API-takes-too-much-time/m-p/1078489#M4600 <P>HI Fan,</P> <OL> <LI>Please let us know what Processor, Operating System, Graphics Driver Version, and Tool Version you are using</LI> <LI>Please state steps to reproduce the issue as precisely as you possibly could</LI> <LI>If you are using command line tools, please provide the full command line</LI> <LI>If code is involved, it is great to create a small "Reproducer" sample and attach it to the message in the form of a zip file</LI> <LI>If you don't want your code to be seen by other forum users, please send me a private message</LI> </OL> <P>Thank you!</P> Fri, 19 Feb 2016 17:34:15 GMT Robert_I_Intel 2016-02-19T17:34:15Z https://community.intel.com/t5/OpenCL-for-CPU/enqueue-API-takes-too-much-time/m-p/1078488#M4599 <P>I enqueued 5 kernels for an in-order execution in my application.Noticed an unusual behaviar after timing the program.One kernel's enqueue API cost a lot more time than the others, almost as much as the actual kernels running time.The enqueue API should be very efficient according to my experience , so what may cause this stalling?</P> Fri, 19 Feb 2016 02:11:16 GMT https://community.intel.com/t5/OpenCL-for-CPU/enqueue-API-takes-too-much-time/m-p/1078488#M4599 Fan_Z_2 2016-02-19T02:11:16Z https://community.intel.com/t5/OpenCL-for-CPU/enqueue-API-takes-too-much-time/m-p/1078489#M4600 <P>HI Fan,</P> <OL> <LI>Please let us know what Processor, Operating System, Graphics Driver Version, and Tool Version you are using</LI> <LI>Please state steps to reproduce the issue as precisely as you possibly could</LI> <LI>If you are using command line tools, please provide the full command line</LI> <LI>If code is involved, it is great to create a small "Reproducer" sample and attach it to the message in the form of a zip file</LI> <LI>If you don't want your code to be seen by other forum users, please send me a private message</LI> </OL> <P>Thank you!</P> Fri, 19 Feb 2016 17:34:15 GMT https://community.intel.com/t5/OpenCL-for-CPU/enqueue-API-takes-too-much-time/m-p/1078489#M4600 Robert_I_Intel 2016-02-19T17:34:15Z