topic create buffer ok，but not write really in OpenCL* for CPU https://community.intel.com/t5/OpenCL-for-CPU/create-buffer-ok-but-not-write-really/m-p/1002184#M2867 <P>&nbsp; &nbsp;I use clCreateBuffer（CL_MEM_READ_ONLY | CL_MEM_USE_HOST_PTR,） function &nbsp;create 3 buffers， every buf has 300M, the driver version 10.18.10.3621，the Device global alloc mem size is 332185(KB) ,it is no error while runnig，but the result is not correct，the calculation using the first buf is correct ，the other two is wrong！I found that&nbsp;<BR /> the other two bufs have no data to be written。 while I use 9.18.10.3071 ，the Device global alloc mem size is 415744 (KB) ，I crate 2 bufs， the result is correct，what's wrong？&nbsp;<BR /> who have &nbsp;the version 9.18.10.3071 for win7 hd4000，Thank you！&nbsp;</P> Tue, 31 Mar 2015 14:43:22 GMT ml_j_ 2015-03-31T14:43:22Z create buffer ok，but not write really https://community.intel.com/t5/OpenCL-for-CPU/create-buffer-ok-but-not-write-really/m-p/1002184#M2867 <P>&nbsp; &nbsp;I use clCreateBuffer（CL_MEM_READ_ONLY | CL_MEM_USE_HOST_PTR,） function &nbsp;create 3 buffers， every buf has 300M, the driver version 10.18.10.3621，the Device global alloc mem size is 332185(KB) ,it is no error while runnig，but the result is not correct，the calculation using the first buf is correct ，the other two is wrong！I found that&nbsp;<BR /> the other two bufs have no data to be written。 while I use 9.18.10.3071 ，the Device global alloc mem size is 415744 (KB) ，I crate 2 bufs， the result is correct，what's wrong？&nbsp;<BR /> who have &nbsp;the version 9.18.10.3071 for win7 hd4000，Thank you！&nbsp;</P> Tue, 31 Mar 2015 14:43:22 GMT https://community.intel.com/t5/OpenCL-for-CPU/create-buffer-ok-but-not-write-really/m-p/1002184#M2867 ml_j_ 2015-03-31T14:43:22Z Could you please update to 10 https://community.intel.com/t5/OpenCL-for-CPU/create-buffer-ok-but-not-write-really/m-p/1002185#M2868 <P>Could you please update to 10.18.10.4061 (latest driver for your system - see <A href="https://downloadcenter.intel.com/search?keyword=3rd+Generation+Intel%c2%ae+Core%e2%84%a2+Processors+with+Intel%c2%ae+HD+Graphics+4000">https://downloadcenter.intel.com/search?keyword=3rd+Generation+Intel%c2%ae+Core%e2%84%a2+Processors+with+Intel%c2%ae+HD+Graphics+4000</A> ) and let me know the results? I don't have Windows 7 system readily available. Thanks!</P> Tue, 31 Mar 2015 14:59:57 GMT https://community.intel.com/t5/OpenCL-for-CPU/create-buffer-ok-but-not-write-really/m-p/1002185#M2868 Robert_I_Intel 2015-03-31T14:59:57Z