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