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benchmark: remove cycle counter #79

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benchmark: remove cycle counter #79

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26 changes: 3 additions & 23 deletions benchmark/main.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -179,25 +179,12 @@
mbedtls_printf( "FAILED: -0x%04x\r\n", -ret );
#endif

static unsigned long mbedtls_timing_hardclock( void )
{
static int dwt_started = 0;

if( dwt_started == 0 )
{
CoreDebug->DEMCR |= CoreDebug_DEMCR_TRCENA_Msk;
DWT->CTRL |= DWT_CTRL_CYCCNTENA_Msk;
}

return( DWT->CYCCNT );
}

static volatile int alarmed;
static void alarm() { alarmed = 1; }

#define TIME_AND_TSC( TITLE, CODE ) \
do { \
unsigned long i, j, tsc; \
unsigned long i; \
Timeout t; \
\
mbedtls_printf( HEADER_FORMAT, TITLE ); \
Expand All @@ -207,15 +194,8 @@ do { \
CODE; \
} \
\
tsc = mbedtls_timing_hardclock(); \
for( j = 0; j < 1024; j++ ) \
{ \
CODE; \
} \
\
mbedtls_printf( "%9lu KB/s, %9lu cycles/byte\r\n", \
i * BUFSIZE / 1024, \
( mbedtls_timing_hardclock() - tsc ) / ( j * BUFSIZE ) ); \
mbedtls_printf( "%9lu KB/s\r\n", \
i * BUFSIZE / 1024 ); \
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Since we are changing prints we should also update examples log file for CI to pass https://github.com/ARMmbed/mbed-os-example-tls/blob/master/tests/benchmark.log

} while( 0 )

#if defined(MBEDTLS_MEMORY_BUFFER_ALLOC_C) && defined(MBEDTLS_MEMORY_DEBUG)
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