37 lines
1.1 KiB
C
37 lines
1.1 KiB
C
static const char* globalAtomicsKernelString= \
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"\n"
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"\n"
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"\n"
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"\n"
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"//OpenCL 1.1 has atomic_inc build-in (no extension needed)\n"
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"//see http://www.khronos.org/registry/cl/sdk/1.1/docs/man/xhtml/atomic_inc.html\n"
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"__kernel void globalAtomicKernelOpenCL1_1( volatile __global int* counter)\n"
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"{\n"
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" atomic_inc(counter);\n"
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"}\n"
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"\n"
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"//OpenCL 1.1 atomic device counters extension, usually faster on current AMD hardware\n"
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"//http://www.khronos.org/registry/cl/extensions/ext/cl_ext_atomic_counters_32.txt\n"
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"#pragma OPENCL EXTENSION cl_ext_atomic_counters_32 : enable\n"
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"__kernel void counterAtomicKernelExt( counter32_t counter)\n"
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"{\n"
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" atomic_inc(counter);\n"
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"}\n"
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"\n"
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"\n"
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"//OpenCL 1.0 optional extension, using atom_inc\n"
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"//see http://www.khronos.org/registry/cl/sdk/1.0/docs/man/xhtml/cl_khr_global_int32_base_atomics.html\n"
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"#pragma OPENCL EXTENSION cl_khr_global_int32_base_atomics : enable //atomic_inc\n"
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"__kernel void globalAtomicKernelExt( __global int* counter)\n"
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"{\n"
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" atom_inc(counter);\n"
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"}\n"
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"\n"
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"\n"
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"__kernel void globalAtomicKernelCounters32Broken( __global int* counter)\n"
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"{\n"
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" (*counter)++;\n"
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"}\n"
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"\n"
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;
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