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Just incorporate the X64 ASM version of Salsa20/12 for X64 platforms. This gives us (for example) 1.5gb/sec encryption on a Core i5 2.8ghz.

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This commit is contained in:
Adam Ierymenko 2017-04-18 08:45:37 -07:00
parent 4938e82795
commit a1e94154be
6 changed files with 4597 additions and 4 deletions
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22
selftest.cpp
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@ -54,6 +54,10 @@
#include "controller/JSONDB.hpp"
#ifdef ZT_USE_X64_ASM_SALSA2012
#include "ext/x64-salsa2012-asm/salsa2012.h"
#endif
#ifdef __WINDOWS__
#include <tchar.h>
#endif
@ -204,6 +208,24 @@ static int testCrypto()
::free((void *)bb);
}
#ifdef ZT_USE_X64_ASM_SALSA2012
std::cout << "[crypto] Benchmarking Salsa20/12 fast x64 ASM... "; std::cout.flush();
{
unsigned char *bb = (unsigned char *)::malloc(1234567);
for(unsigned int i=0;i<1234567;++i)
bb[i] = (unsigned char)i;
double bytes = 0.0;
uint64_t start = OSUtils::now();
for(unsigned int i=0;i<200;++i) {
zt_salsa2012_amd64_xmm6_xor(bb,bb,1234567,s20TV0Iv,s20TV0Key);
bytes += 1234567.0;
}
uint64_t end = OSUtils::now();
std::cout << ((bytes / 1048576.0) / ((double)(end - start) / 1000.0)) << " MiB/second" << std::endl;
::free((void *)bb);
}
#endif
std::cout << "[crypto] Benchmarking Salsa20/20... "; std::cout.flush();
{
unsigned char *bb = (unsigned char *)::malloc(1234567);