nvml_GPU.cuh
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nvml_GPU.cuh
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			#ifdef __WITH_NVTX
			#include "nvToolsExt.h"

			const uint32_t colors[] = { 0xff00ff00, 0xff0000ff, 0xffffff00, 0xffff00ff, 0xff00ffff, 0xffff0000, 0xffffffff };
			const int num_colors = sizeof(colors)/sizeof(uint32_t);

			#define PUSH_RANGE(name,cid) { \
			int color_id = cid; \
			color_id = color_id%num_colors;\
			nvtxEventAttributes_t eventAttrib = {0}; \
			eventAttrib.version = NVTX_VERSION; \
			eventAttrib.size = NVTX_EVENT_ATTRIB_STRUCT_SIZE; \
			eventAttrib.colorType = NVTX_COLOR_ARGB; \
			eventAttrib.color = colors[color_id]; \
			eventAttrib.messageType = NVTX_MESSAGE_TYPE_ASCII; \
			eventAttrib.message.ascii = name; \
			nvtxRangePushEx(&eventAttrib); \
			}
			#define POP_RANGE nvtxRangePop();
			#else
			#define PUSH_RANGE(name,cid)
			#define POP_RANGE
			#endif