PAPI_get_real_cyc - Online Linux Manual PageSection : 3
Updated : September, 2004
Source : PAPI Programmer's Reference
Note : PAPI

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NAMEPAPI_get_real_cyc − get real time counter value in clock cycles PAPI_get_real_usec − get real time counter value in microseconds

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SYNOPSISC Interface #include <papi.h> long_long PAPI_get_real_cyc(void); long_long PAPI_get_real_usec(void);Fortran Interface #include "fpapi.h" PAPIF_get_real_usec(C_LONG_LONG time) PAPIF_get_real_cyc(C_LONG_LONG real_cyc)

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DESCRIPTIONBoth of these functions return the total real time passed since some arbitrary starting point. The time is returned in clock cycles or microseconds respectively. These calls are equivalent to wall clock time.

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ERRORSThese functions always succeed.

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EXAMPLEs = PAPI_get_real_cyc(); your_slow_code(); e = PAPI_get_real_cyc(); printf("Wallclock cycles: %lld\n",e-s);

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BUGSThese functions have no known bugs.

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SEE ALSOPAPI_library_init(3)," PAPI_get_virt_cyc(3)," PAPI_get_virt_usec(3)," PAPI(3)," PAPIF(3)" 0

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