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Type: Posts; User: SAdam

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  1. Regular question about dual gpu on single board

    Hi All!

    I am just asking about using for example an ATI 7990 for OpenCl computing.
    Can the 6GB memory which is on the 7990's board be addressed with one buffer or OpenCL sees two devices in my...
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    Re: Global memory "bitfield" technique

    Hi!

    Yeah I had the same problem, I think it depends on the problem that you'd like to solve.
    I wrote a program which used Schönhage's algorithm to calculate the factorial of a number
    in the...
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    Re: Wrong cl_mem pointer causes segfault

    I've found it in cl_calcDetVelo() I have to go till Num_Segments...
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    Wrong cl_mem pointer causes segfault

    Hi All!

    I have a problem with my code and I can't figure it out.
    Here is the code: http://grid.kfki.hu/afs/szaqaei/web/hough.cpp

    So the problem is when I try to write the memory segment...
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    Re: clEnqueueNDRangeKernel offset parameter

    thanks for the reply, I got it ;)
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    clEnqueueNDRangeKernel offset parameter

    Hi Guys,

    I have a really simple question:
    If I have a kernel with some parameters including cl_mem buffers, and I set an offset parameter for clEnqueueNDRangeKernel, will all my buffers read from...
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    Re: Arbitrary-precision arithmetic

    Hi!

    Unfortunately there isn't any built in libraries to deal with big numbers.

    I made a program which works with 1024 bit unsigned integer numbers to calculate factorial up to 150, you can find...
  8. Thread: Failed to build

    by SAdam
    Replies
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    Failed to build

    Hi All!

    I get the following error while compiling my CL file:

    ERROR: Error: Cannot yet select: 0x858aae0: i64,flag = adde 0x858a8e0, 0x8581eb0, 0x858a9e0:1 [ID=53]

    Any idea whats causing...
  9. Re: Opencl arbitary precision and calculating factorial

    I figured it out. I had to cast the values of primes and shift the gid e.g.:
    sgid=(gid<<1);
    primes[sgid] -> (long long unsigned int) primes[sgid];
  10. Opencl arbitary precision and calculating factorial

    Hi All!

    I have a problem calculating a "big" factorial. The big problem is, that I can't write into a ulong16 vector. Here you can download my code:...
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