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Message from discussion RequestAnimationFrame "sinchronisation"?
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Evgeny Demidov  
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 More options Jun 22 2012, 12:29 am
From: Evgeny Demidov <demi...@ipm.sci-nnov.ru>
Date: Fri, 22 Jun 2012 08:29:22 +0400
Local: Fri, Jun 22 2012 12:29 am
Subject: RequestAnimationFrame "sinchronisation"?
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sorry for off-topic (I didn't get the answer in WebCL or Nvidia OpenCL
forums yet).
Since FF7 all my MC WebCL based simulations freeze in a while with
CL_INVALID_KERNEL_ARGS error. See simple test
http://www.ibiblio.o...cl/nokia3a.html
<http://www.ibiblio.org/e-notes/webcl/nokia3a.html>
it just executes in an infinite cycle

  function run() {
                   cmdQueue.enqueueNDRangeKernel(kernel, 1, [], [32],
[8], []);
                   cmdQueue.finish();
                   iter++;
                   output.innerHTML = "<br>" + iter;
    setTimeout("requestAnimFrame(run)", 100);
  }
The kernel just makes C[] = A[] + B[]
Sometimes the scripts works fine, sometimes freezes after 20 - 100
iterations. It makes easily 10000-100000 iterations in simple cycle if I
comment  "requestAnimFrame" operator. Why "requestAnimFrame" may be
dangerous (after FF 6) ?
Any suggestions how can I debug my script?

Evgeny Demidov

Error: WebCLCommandQueue::EnqueueNDRangeKernel Failed with error -52.


 
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