perf.h

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#pragma once
 
#include <cstddef>
#include <iosfwd>
#include <string>
#include <vector>
 
namespace fz {
 
struct StageTimingResult {
    std::string name;         
    int         level;        
 
    float       elapsed_ms;
 
    size_t      input_bytes;  
    size_t      output_bytes; 
 
    float throughput_gbs() const noexcept;
};
 
struct LevelTimingResult {
    int   level       = 0;  
    int   parallelism = 0;  
    float elapsed_ms  = 0.0f; 
};
 
struct PipelinePerfResult {
    bool   is_compress;     
    float  host_elapsed_ms; 
    float  dag_elapsed_ms;  
    size_t input_bytes;     
    size_t output_bytes;    
 
    std::vector<StageTimingResult> stages; 
    std::vector<LevelTimingResult> levels; 
 
    float throughput_gbs() const noexcept;
 
    float pipeline_throughput_gbs() const noexcept;
 
    void print(std::ostream& os) const;
};
 
} // namespace fz