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leopard/LeopardCommon.cpp

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/*
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Copyright (c) 2017 Christopher A. Taylor. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice,
this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
* Neither the name of Leopard-RS nor the names of its contributors may be
used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "LeopardCommon.h"
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namespace leopard {
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//------------------------------------------------------------------------------
// Runtime CPU Architecture Check
//
// Feature checks stolen shamelessly from
// https://github.com/jedisct1/libsodium/blob/master/src/libsodium/sodium/runtime.c
#if defined(HAVE_ANDROID_GETCPUFEATURES)
#include <cpu-features.h>
#endif
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#if defined(LEO_TRY_NEON)
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# if defined(IOS) && defined(__ARM_NEON__)
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// Requires iPhone 5S or newer
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# else
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// Remember to add LOCAL_STATIC_LIBRARIES := cpufeatures
bool CpuHasNeon = false; // V6 / V7
bool CpuHasNeon64 = false; // 64-bit
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# endif
#endif
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#if !defined(LEO_TARGET_MOBILE)
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#ifdef _MSC_VER
#include <intrin.h> // __cpuid
#pragma warning(disable: 4752) // found Intel(R) Advanced Vector Extensions; consider using /arch:AVX
#endif
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#ifdef LEO_TRY_AVX2
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bool CpuHasAVX2 = false;
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#endif
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bool CpuHasSSSE3 = false;
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#define CPUID_EBX_AVX2 0x00000020
#define CPUID_ECX_SSSE3 0x00000200
static void _cpuid(unsigned int cpu_info[4U], const unsigned int cpu_info_type)
{
#if defined(_MSC_VER) && (defined(_M_X64) || defined(_M_AMD64) || defined(_M_IX86))
__cpuid((int *) cpu_info, cpu_info_type);
#else //if defined(HAVE_CPUID)
cpu_info[0] = cpu_info[1] = cpu_info[2] = cpu_info[3] = 0;
# ifdef __i386__
__asm__ __volatile__ ("pushfl; pushfl; "
"popl %0; "
"movl %0, %1; xorl %2, %0; "
"pushl %0; "
"popfl; pushfl; popl %0; popfl" :
"=&r" (cpu_info[0]), "=&r" (cpu_info[1]) :
"i" (0x200000));
if (((cpu_info[0] ^ cpu_info[1]) & 0x200000) == 0) {
return; /* LCOV_EXCL_LINE */
}
# endif
# ifdef __i386__
__asm__ __volatile__ ("xchgl %%ebx, %k1; cpuid; xchgl %%ebx, %k1" :
"=a" (cpu_info[0]), "=&r" (cpu_info[1]),
"=c" (cpu_info[2]), "=d" (cpu_info[3]) :
"0" (cpu_info_type), "2" (0U));
# elif defined(__x86_64__)
__asm__ __volatile__ ("xchgq %%rbx, %q1; cpuid; xchgq %%rbx, %q1" :
"=a" (cpu_info[0]), "=&r" (cpu_info[1]),
"=c" (cpu_info[2]), "=d" (cpu_info[3]) :
"0" (cpu_info_type), "2" (0U));
# else
__asm__ __volatile__ ("cpuid" :
"=a" (cpu_info[0]), "=b" (cpu_info[1]),
"=c" (cpu_info[2]), "=d" (cpu_info[3]) :
"0" (cpu_info_type), "2" (0U));
# endif
#endif
}
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#endif // defined(LEO_TARGET_MOBILE)
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void InitializeCPUArch()
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{
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#if defined(LEO_TRY_NEON) && defined(HAVE_ANDROID_GETCPUFEATURES)
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AndroidCpuFamily family = android_getCpuFamily();
if (family == ANDROID_CPU_FAMILY_ARM)
{
if (android_getCpuFeatures() & ANDROID_CPU_ARM_FEATURE_NEON)
CpuHasNeon = true;
}
else if (family == ANDROID_CPU_FAMILY_ARM64)
{
CpuHasNeon = true;
if (android_getCpuFeatures() & ANDROID_CPU_ARM64_FEATURE_ASIMD)
CpuHasNeon64 = true;
}
#endif
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#if !defined(LEO_TARGET_MOBILE)
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unsigned int cpu_info[4];
_cpuid(cpu_info, 1);
CpuHasSSSE3 = ((cpu_info[2] & CPUID_ECX_SSSE3) != 0);
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#if defined(LEO_TRY_AVX2)
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_cpuid(cpu_info, 7);
CpuHasAVX2 = ((cpu_info[1] & CPUID_EBX_AVX2) != 0);
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#endif // LEO_TRY_AVX2
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#endif // LEO_TARGET_MOBILE
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}
//------------------------------------------------------------------------------
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// XOR Memory
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void xor_mem(
void * LEO_RESTRICT vx, const void * LEO_RESTRICT vy,
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uint64_t bytes)
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{
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#if defined(LEO_TRY_AVX2)
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if (CpuHasAVX2)
{
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LEO_M256 * LEO_RESTRICT x32 = reinterpret_cast<LEO_M256 *>(vx);
const LEO_M256 * LEO_RESTRICT y32 = reinterpret_cast<const LEO_M256 *>(vy);
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while (bytes >= 128)
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{
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const LEO_M256 x0 = _mm256_xor_si256(_mm256_loadu_si256(x32), _mm256_loadu_si256(y32));
const LEO_M256 x1 = _mm256_xor_si256(_mm256_loadu_si256(x32 + 1), _mm256_loadu_si256(y32 + 1));
const LEO_M256 x2 = _mm256_xor_si256(_mm256_loadu_si256(x32 + 2), _mm256_loadu_si256(y32 + 2));
const LEO_M256 x3 = _mm256_xor_si256(_mm256_loadu_si256(x32 + 3), _mm256_loadu_si256(y32 + 3));
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_mm256_storeu_si256(x32, x0);
_mm256_storeu_si256(x32 + 1, x1);
_mm256_storeu_si256(x32 + 2, x2);
_mm256_storeu_si256(x32 + 3, x3);
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x32 += 4, y32 += 4;
bytes -= 128;
};
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if (bytes > 0)
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{
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const LEO_M256 x0 = _mm256_xor_si256(_mm256_loadu_si256(x32), _mm256_loadu_si256(y32));
const LEO_M256 x1 = _mm256_xor_si256(_mm256_loadu_si256(x32 + 1), _mm256_loadu_si256(y32 + 1));
_mm256_storeu_si256(x32, x0);
_mm256_storeu_si256(x32 + 1, x1);
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}
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return;
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}
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#endif // LEO_TRY_AVX2
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LEO_M128 * LEO_RESTRICT x16 = reinterpret_cast<LEO_M128 *>(vx);
const LEO_M128 * LEO_RESTRICT y16 = reinterpret_cast<const LEO_M128 *>(vy);
do
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{
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const LEO_M128 x0 = _mm_xor_si128(_mm_loadu_si128(x16), _mm_loadu_si128(y16));
const LEO_M128 x1 = _mm_xor_si128(_mm_loadu_si128(x16 + 1), _mm_loadu_si128(y16 + 1));
const LEO_M128 x2 = _mm_xor_si128(_mm_loadu_si128(x16 + 2), _mm_loadu_si128(y16 + 2));
const LEO_M128 x3 = _mm_xor_si128(_mm_loadu_si128(x16 + 3), _mm_loadu_si128(y16 + 3));
_mm_storeu_si128(x16, x0);
_mm_storeu_si128(x16 + 1, x1);
_mm_storeu_si128(x16 + 2, x2);
_mm_storeu_si128(x16 + 3, x3);
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x16 += 4, y16 += 4;
bytes -= 64;
WIP
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} while (bytes > 0);
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}
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#ifdef LEO_M1_OPT
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void xor_mem_2to1(
void * LEO_RESTRICT x,
const void * LEO_RESTRICT y,
const void * LEO_RESTRICT z,
uint64_t bytes)
{
#if defined(LEO_TRY_AVX2)
if (CpuHasAVX2)
{
LEO_M256 * LEO_RESTRICT x32 = reinterpret_cast<LEO_M256 *>(x);
const LEO_M256 * LEO_RESTRICT y32 = reinterpret_cast<const LEO_M256 *>(y);
const LEO_M256 * LEO_RESTRICT z32 = reinterpret_cast<const LEO_M256 *>(z);
while (bytes >= 128)
{
LEO_M256 x0 = _mm256_xor_si256(_mm256_loadu_si256(x32), _mm256_loadu_si256(y32));
x0 = _mm256_xor_si256(x0, _mm256_loadu_si256(z32));
LEO_M256 x1 = _mm256_xor_si256(_mm256_loadu_si256(x32 + 1), _mm256_loadu_si256(y32 + 1));
x1 = _mm256_xor_si256(x1, _mm256_loadu_si256(z32 + 1));
LEO_M256 x2 = _mm256_xor_si256(_mm256_loadu_si256(x32 + 2), _mm256_loadu_si256(y32 + 2));
x2 = _mm256_xor_si256(x2, _mm256_loadu_si256(z32 + 2));
LEO_M256 x3 = _mm256_xor_si256(_mm256_loadu_si256(x32 + 3), _mm256_loadu_si256(y32 + 3));
x3 = _mm256_xor_si256(x3, _mm256_loadu_si256(z32 + 3));
_mm256_storeu_si256(x32, x0);
_mm256_storeu_si256(x32 + 1, x1);
_mm256_storeu_si256(x32 + 2, x2);
_mm256_storeu_si256(x32 + 3, x3);
x32 += 4, y32 += 4, z32 += 4;
bytes -= 128;
};
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if (bytes > 0)
{
LEO_M256 x0 = _mm256_xor_si256(_mm256_loadu_si256(x32), _mm256_loadu_si256(y32));
x0 = _mm256_xor_si256(x0, _mm256_loadu_si256(z32));
LEO_M256 x1 = _mm256_xor_si256(_mm256_loadu_si256(x32 + 1), _mm256_loadu_si256(y32 + 1));
x1 = _mm256_xor_si256(x1, _mm256_loadu_si256(z32 + 1));
_mm256_storeu_si256(x32, x0);
_mm256_storeu_si256(x32 + 1, x1);
}
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Fixes, extended tester
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return;
}
#endif // LEO_TRY_AVX2
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Fixes, extended tester
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LEO_M128 * LEO_RESTRICT x16 = reinterpret_cast<LEO_M128 *>(x);
const LEO_M128 * LEO_RESTRICT y16 = reinterpret_cast<const LEO_M128 *>(y);
const LEO_M128 * LEO_RESTRICT z16 = reinterpret_cast<const LEO_M128 *>(z);
do
{
LEO_M128 x0 = _mm_xor_si128(_mm_loadu_si128(x16), _mm_loadu_si128(y16));
x0 = _mm_xor_si128(x0, _mm_loadu_si128(z16));
LEO_M128 x1 = _mm_xor_si128(_mm_loadu_si128(x16 + 1), _mm_loadu_si128(y16 + 1));
x1 = _mm_xor_si128(x1, _mm_loadu_si128(z16 + 1));
LEO_M128 x2 = _mm_xor_si128(_mm_loadu_si128(x16 + 2), _mm_loadu_si128(y16 + 2));
x2 = _mm_xor_si128(x2, _mm_loadu_si128(z16 + 2));
LEO_M128 x3 = _mm_xor_si128(_mm_loadu_si128(x16 + 3), _mm_loadu_si128(y16 + 3));
x3 = _mm_xor_si128(x3, _mm_loadu_si128(z16 + 3));
_mm_storeu_si128(x16, x0);
_mm_storeu_si128(x16 + 1, x1);
_mm_storeu_si128(x16 + 2, x2);
_mm_storeu_si128(x16 + 3, x3);
x16 += 4, y16 += 4, z16 += 4;
bytes -= 64;
} while (bytes > 0);
}
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#endif // LEO_M1_OPT
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#ifdef LEO_USE_VECTOR4_OPT
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void xor_mem4(
WIP
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void * LEO_RESTRICT vx_0, const void * LEO_RESTRICT vy_0,
void * LEO_RESTRICT vx_1, const void * LEO_RESTRICT vy_1,
void * LEO_RESTRICT vx_2, const void * LEO_RESTRICT vy_2,
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void * LEO_RESTRICT vx_3, const void * LEO_RESTRICT vy_3,
uint64_t bytes)
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{
WIP
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#if defined(LEO_TRY_AVX2)
if (CpuHasAVX2)
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{
WIP
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LEO_M256 * LEO_RESTRICT x32_0 = reinterpret_cast<LEO_M256 *> (vx_0);
const LEO_M256 * LEO_RESTRICT y32_0 = reinterpret_cast<const LEO_M256 *>(vy_0);
LEO_M256 * LEO_RESTRICT x32_1 = reinterpret_cast<LEO_M256 *> (vx_1);
const LEO_M256 * LEO_RESTRICT y32_1 = reinterpret_cast<const LEO_M256 *>(vy_1);
LEO_M256 * LEO_RESTRICT x32_2 = reinterpret_cast<LEO_M256 *> (vx_2);
const LEO_M256 * LEO_RESTRICT y32_2 = reinterpret_cast<const LEO_M256 *>(vy_2);
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LEO_M256 * LEO_RESTRICT x32_3 = reinterpret_cast<LEO_M256 *> (vx_3);
const LEO_M256 * LEO_RESTRICT y32_3 = reinterpret_cast<const LEO_M256 *>(vy_3);
while (bytes >= 128)
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{
WIP
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const LEO_M256 x0_0 = _mm256_xor_si256(_mm256_loadu_si256(x32_0), _mm256_loadu_si256(y32_0));
const LEO_M256 x1_0 = _mm256_xor_si256(_mm256_loadu_si256(x32_0 + 1), _mm256_loadu_si256(y32_0 + 1));
const LEO_M256 x2_0 = _mm256_xor_si256(_mm256_loadu_si256(x32_0 + 2), _mm256_loadu_si256(y32_0 + 2));
const LEO_M256 x3_0 = _mm256_xor_si256(_mm256_loadu_si256(x32_0 + 3), _mm256_loadu_si256(y32_0 + 3));
Add benchmark tests for 4-way ops
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_mm256_storeu_si256(x32_0, x0_0);
_mm256_storeu_si256(x32_0 + 1, x1_0);
_mm256_storeu_si256(x32_0 + 2, x2_0);
_mm256_storeu_si256(x32_0 + 3, x3_0);
x32_0 += 4, y32_0 += 4;
WIP
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const LEO_M256 x0_1 = _mm256_xor_si256(_mm256_loadu_si256(x32_1), _mm256_loadu_si256(y32_1));
const LEO_M256 x1_1 = _mm256_xor_si256(_mm256_loadu_si256(x32_1 + 1), _mm256_loadu_si256(y32_1 + 1));
const LEO_M256 x2_1 = _mm256_xor_si256(_mm256_loadu_si256(x32_1 + 2), _mm256_loadu_si256(y32_1 + 2));
const LEO_M256 x3_1 = _mm256_xor_si256(_mm256_loadu_si256(x32_1 + 3), _mm256_loadu_si256(y32_1 + 3));
Add benchmark tests for 4-way ops
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_mm256_storeu_si256(x32_1, x0_1);
_mm256_storeu_si256(x32_1 + 1, x1_1);
_mm256_storeu_si256(x32_1 + 2, x2_1);
_mm256_storeu_si256(x32_1 + 3, x3_1);
x32_1 += 4, y32_1 += 4;
WIP
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const LEO_M256 x0_2 = _mm256_xor_si256(_mm256_loadu_si256(x32_2), _mm256_loadu_si256(y32_2));
const LEO_M256 x1_2 = _mm256_xor_si256(_mm256_loadu_si256(x32_2 + 1), _mm256_loadu_si256(y32_2 + 1));
const LEO_M256 x2_2 = _mm256_xor_si256(_mm256_loadu_si256(x32_2 + 2), _mm256_loadu_si256(y32_2 + 2));
const LEO_M256 x3_2 = _mm256_xor_si256(_mm256_loadu_si256(x32_2 + 3), _mm256_loadu_si256(y32_2 + 3));
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_mm256_storeu_si256(x32_2, x0_2);
WIP
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_mm256_storeu_si256(x32_2 + 1, x1_2);
_mm256_storeu_si256(x32_2 + 2, x2_2);
_mm256_storeu_si256(x32_2 + 3, x3_2);
x32_2 += 4, y32_2 += 4;
Add benchmark tests for 4-way ops
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const LEO_M256 x0_3 = _mm256_xor_si256(_mm256_loadu_si256(x32_3), _mm256_loadu_si256(y32_3));
const LEO_M256 x1_3 = _mm256_xor_si256(_mm256_loadu_si256(x32_3 + 1), _mm256_loadu_si256(y32_3 + 1));
const LEO_M256 x2_3 = _mm256_xor_si256(_mm256_loadu_si256(x32_3 + 2), _mm256_loadu_si256(y32_3 + 2));
const LEO_M256 x3_3 = _mm256_xor_si256(_mm256_loadu_si256(x32_3 + 3), _mm256_loadu_si256(y32_3 + 3));
_mm256_storeu_si256(x32_3, x0_3);
_mm256_storeu_si256(x32_3 + 1, x1_3);
_mm256_storeu_si256(x32_3 + 2, x2_3);
_mm256_storeu_si256(x32_3 + 3, x3_3);
x32_3 += 4, y32_3 += 4;
WIP
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bytes -= 128;
Add benchmark tests for 4-way ops
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}
WIP
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if (bytes > 0)
First commit
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{
WIP
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const LEO_M256 x0_0 = _mm256_xor_si256(_mm256_loadu_si256(x32_0), _mm256_loadu_si256(y32_0));
const LEO_M256 x1_0 = _mm256_xor_si256(_mm256_loadu_si256(x32_0 + 1), _mm256_loadu_si256(y32_0 + 1));
const LEO_M256 x0_1 = _mm256_xor_si256(_mm256_loadu_si256(x32_1), _mm256_loadu_si256(y32_1));
const LEO_M256 x1_1 = _mm256_xor_si256(_mm256_loadu_si256(x32_1 + 1), _mm256_loadu_si256(y32_1 + 1));
Add benchmark tests for 4-way ops
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_mm256_storeu_si256(x32_0, x0_0);
WIP
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_mm256_storeu_si256(x32_0 + 1, x1_0);
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_mm256_storeu_si256(x32_1, x0_1);
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_mm256_storeu_si256(x32_1 + 1, x1_1);
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const LEO_M256 x0_2 = _mm256_xor_si256(_mm256_loadu_si256(x32_2), _mm256_loadu_si256(y32_2));
const LEO_M256 x1_2 = _mm256_xor_si256(_mm256_loadu_si256(x32_2 + 1), _mm256_loadu_si256(y32_2 + 1));
const LEO_M256 x0_3 = _mm256_xor_si256(_mm256_loadu_si256(x32_3), _mm256_loadu_si256(y32_3));
const LEO_M256 x1_3 = _mm256_xor_si256(_mm256_loadu_si256(x32_3 + 1), _mm256_loadu_si256(y32_3 + 1));
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_mm256_storeu_si256(x32_2, x0_2);
_mm256_storeu_si256(x32_2 + 1, x1_2);
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_mm256_storeu_si256(x32_3, x0_3);
_mm256_storeu_si256(x32_3 + 1, x1_3);
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}
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return;
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}
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#endif // LEO_TRY_AVX2
LEO_M128 * LEO_RESTRICT x16_0 = reinterpret_cast<LEO_M128 *> (vx_0);
const LEO_M128 * LEO_RESTRICT y16_0 = reinterpret_cast<const LEO_M128 *>(vy_0);
LEO_M128 * LEO_RESTRICT x16_1 = reinterpret_cast<LEO_M128 *> (vx_1);
const LEO_M128 * LEO_RESTRICT y16_1 = reinterpret_cast<const LEO_M128 *>(vy_1);
LEO_M128 * LEO_RESTRICT x16_2 = reinterpret_cast<LEO_M128 *> (vx_2);
const LEO_M128 * LEO_RESTRICT y16_2 = reinterpret_cast<const LEO_M128 *>(vy_2);
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LEO_M128 * LEO_RESTRICT x16_3 = reinterpret_cast<LEO_M128 *> (vx_3);
const LEO_M128 * LEO_RESTRICT y16_3 = reinterpret_cast<const LEO_M128 *>(vy_3);
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do
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{
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const LEO_M128 x0_0 = _mm_xor_si128(_mm_loadu_si128(x16_0), _mm_loadu_si128(y16_0));
const LEO_M128 x1_0 = _mm_xor_si128(_mm_loadu_si128(x16_0 + 1), _mm_loadu_si128(y16_0 + 1));
const LEO_M128 x2_0 = _mm_xor_si128(_mm_loadu_si128(x16_0 + 2), _mm_loadu_si128(y16_0 + 2));
const LEO_M128 x3_0 = _mm_xor_si128(_mm_loadu_si128(x16_0 + 3), _mm_loadu_si128(y16_0 + 3));
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_mm_storeu_si128(x16_0, x0_0);
_mm_storeu_si128(x16_0 + 1, x1_0);
_mm_storeu_si128(x16_0 + 2, x2_0);
_mm_storeu_si128(x16_0 + 3, x3_0);
x16_0 += 4, y16_0 += 4;
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const LEO_M128 x0_1 = _mm_xor_si128(_mm_loadu_si128(x16_1), _mm_loadu_si128(y16_1));
const LEO_M128 x1_1 = _mm_xor_si128(_mm_loadu_si128(x16_1 + 1), _mm_loadu_si128(y16_1 + 1));
const LEO_M128 x2_1 = _mm_xor_si128(_mm_loadu_si128(x16_1 + 2), _mm_loadu_si128(y16_1 + 2));
const LEO_M128 x3_1 = _mm_xor_si128(_mm_loadu_si128(x16_1 + 3), _mm_loadu_si128(y16_1 + 3));
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_mm_storeu_si128(x16_1, x0_1);
_mm_storeu_si128(x16_1 + 1, x1_1);
_mm_storeu_si128(x16_1 + 2, x2_1);
_mm_storeu_si128(x16_1 + 3, x3_1);
x16_1 += 4, y16_1 += 4;
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const LEO_M128 x0_2 = _mm_xor_si128(_mm_loadu_si128(x16_2), _mm_loadu_si128(y16_2));
const LEO_M128 x1_2 = _mm_xor_si128(_mm_loadu_si128(x16_2 + 1), _mm_loadu_si128(y16_2 + 1));
const LEO_M128 x2_2 = _mm_xor_si128(_mm_loadu_si128(x16_2 + 2), _mm_loadu_si128(y16_2 + 2));
const LEO_M128 x3_2 = _mm_xor_si128(_mm_loadu_si128(x16_2 + 3), _mm_loadu_si128(y16_2 + 3));
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_mm_storeu_si128(x16_2, x0_2);
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_mm_storeu_si128(x16_2 + 1, x1_2);
_mm_storeu_si128(x16_2 + 2, x2_2);
_mm_storeu_si128(x16_2 + 3, x3_2);
x16_2 += 4, y16_2 += 4;
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const LEO_M128 x0_3 = _mm_xor_si128(_mm_loadu_si128(x16_3), _mm_loadu_si128(y16_3));
const LEO_M128 x1_3 = _mm_xor_si128(_mm_loadu_si128(x16_3 + 1), _mm_loadu_si128(y16_3 + 1));
const LEO_M128 x2_3 = _mm_xor_si128(_mm_loadu_si128(x16_3 + 2), _mm_loadu_si128(y16_3 + 2));
const LEO_M128 x3_3 = _mm_xor_si128(_mm_loadu_si128(x16_3 + 3), _mm_loadu_si128(y16_3 + 3));
_mm_storeu_si128(x16_3, x0_3);
_mm_storeu_si128(x16_3 + 1, x1_3);
_mm_storeu_si128(x16_3 + 2, x2_3);
_mm_storeu_si128(x16_3 + 3, x3_3);
x16_3 += 4, y16_3 += 4;
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bytes -= 64;
} while (bytes > 0);
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}
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#endif // LEO_USE_VECTOR4_OPT
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void VectorXOR(
const uint64_t bytes,
unsigned count,
void** x,
void** y)
{
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#ifdef LEO_USE_VECTOR4_OPT
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while (count >= 4)
{
xor_mem4(
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x[0], y[0],
x[1], y[1],
x[2], y[2],
x[3], y[3],
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bytes);
x += 4, y += 4;
count -= 4;
}
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#endif // LEO_USE_VECTOR4_OPT
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for (unsigned i = 0; i < count; ++i)
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xor_mem(x[i], y[i], bytes);
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}
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} // namespace leopard