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- added non flush windows binaries

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- added a test with flush
- added e480 outputs
This commit is contained in:
Nils Kasulke
2020-04-20 18:03:59 +02:00
parent 429efe3f49
commit 51f8d9bf82
1 changed files with 27 additions and 5 deletions
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32
branch_predict_test/branch_predict.c
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@@ -4,8 +4,8 @@
#include<time.h> #include<time.h>
////////// //////////
#include <openssl/sha.h> //#include <openssl/sha.h>
#include <openssl/bio.h> //#include <openssl/bio.h>
///////// /////////
/* /*
@@ -19,11 +19,30 @@
#define CHAR_START '1' #define CHAR_START '1'
#define CHAR_END '9' #define CHAR_END '9'
//#define MEASURE_FUNC string_bit_count #define MEASURE_FUNC string_bit_count
//#define MEASURE_FUNC string_bit_count2 //#define MEASURE_FUNC string_bit_count2
//#define MEASURE_FUNC string_bit_count3 //#define MEASURE_FUNC string_bit_count3
#define MEASURE_FUNC sha1_int_from_string //#define MEASURE_FUNC sha1_int_from_string
void mem_flush(const void *p, unsigned int allocation_size) {
const size_t cache_line = 64;
const char *cp = (const char *)p;
size_t i = 0;
if (p == NULL || allocation_size <= 0)
return;
for (i = 0; i < allocation_size; i += cache_line) {
asm volatile("clflush (%0)\n\t"
:
: "r"(&cp[i])
: "memory");
}
asm volatile("sfence\n\t"
:
:
: "memory");
}
/* /*
* returns dynamically allocated random string * returns dynamically allocated random string
* with a strlen between minLen and maxLen * with a strlen between minLen and maxLen
@@ -112,6 +131,8 @@ int main(int argc, char* argv[])
unsigned long long counter = 0; unsigned long long counter = 0;
clock_t t1, t0 = clock(); clock_t t1, t0 = clock();
for(; *p; ++p) { for(; *p; ++p) {
size_t len = strlen(*p);
mem_flush(*p, len+1);
counter += MEASURE_FUNC(*p); counter += MEASURE_FUNC(*p);
} }
t1 = clock(); t1 = clock();
@@ -261,7 +282,7 @@ char** read_strings(const char* fileName, size_t* nRead) {
return out_array; return out_array;
} }
/*
int sha1_int_from_string(const char* s) { int sha1_int_from_string(const char* s) {
SHA_CTX c; SHA_CTX c;
SHA1_Init(&c); SHA1_Init(&c);
@@ -274,3 +295,4 @@ int sha1_int_from_string(const char* s) {
} }
return count; return count;
} }
*/