Files
TurboPFor-Integer-Compression/bitpackv.c
2017-01-08 11:42:42 +01:00

129 lines
5.4 KiB
C

/**
Copyright (C) powturbo 2013-2017
GPL v2 License
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- homepage : https://sites.google.com/site/powturbo/
- github : https://github.com/powturbo
- twitter : https://twitter.com/powturbo
- email : powturbo [_AT_] gmail [_DOT_] com
**/
// "Integer Compression" SIMD bit packing
#include <emmintrin.h>
#include "bitpack.h"
#include "bitutil.h"
#define OPPE(__op)
#define IPPE(__op)
#define PAD8(__x) (((__x)+8-1)/8)
#define VSTI(ip, i, iv, parm)
#define IPP(ip, i, iv) _mm_loadu_si128(ip++)
#include "bitpack128v_.h"
unsigned char *bitpack128v32(unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned b) { unsigned char *pout = out+PAD8(128*b); BITPACK128V32(in, b, out, 0); return pout; }
#undef VSTI
#undef IPP
//------------------------------------------------------------------------------------------------------------------------------
#define VSTI(__ip, __i, __iv, __sv) v = _mm_loadu_si128(__ip++); __iv = DELTA128x32(v,__sv); __sv = v
#define IPP(ip, i, __iv) __iv
#include "bitpack128v_.h"
unsigned char *bitdpack128v32(unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start, unsigned b) { unsigned char *pout = out+PAD8(128*b);
__m128i v,sv = _mm_set1_epi32(start);
BITPACK128V32(in, b, out, sv);
return pout;
}
#undef VSTI
//------------------------------------------------------------------------------------------------------------------------------
#define VSTI(__ip, __i, __iv, __sv) v = _mm_loadu_si128(__ip++); __iv = _mm_sub_epi32(DELTA128x32(v,__sv),cv); __sv = v
unsigned char *bitd1pack128v32(unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start, unsigned b) { unsigned char *pout = out+PAD8(128*b);
__m128i v, sv = _mm_set1_epi32(start), cv = _mm_set1_epi32(1);
BITPACK128V32(in, b, out, sv); return pout;
}
#undef VSTI
//------------------------------------------------------------------------------------------------------------------------------
#define VSTI(__ip, __i, __iv, __sv) v = _mm_loadu_si128(__ip++); __iv = DELTA128x32(v,__sv); __sv = v; __iv = ZIGZAG128x32(__iv)
unsigned char *bitzpack128v32(unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned start, unsigned b) { unsigned char *pout = out+PAD8(128*b);
__m128i v, sv = _mm_set1_epi32(start), cv = _mm_set1_epi32(1);
BITPACK128V32(in, b, out, sv);
return pout;
}
#undef VSTI
#undef IPP
#ifdef __AVX2__
#include <immintrin.h>
#include <strings.h>
#include <tmmintrin.h>
#define OPPE(__op)
#define IPPE(__op)
#define PAD8(__x) (((__x)+8-1)/8)
#define OPPE(__op)
#define IPPE(__op)
#define VSTI(ip, i, iv, parm)
#define IPP(ip, i, iv) _mm256_loadu_si256(ip++)
#include "bitpack256v_.h"
//#include "bitpack.h"
//#include "bitutil.h"
unsigned char *bitpack256v32(unsigned *__restrict in, unsigned n, unsigned char *__restrict out, unsigned b) { unsigned char *pout = out+PAD8(256*b); BITPACK256V32(in, b, out, 0); return pout; }
#undef VSTI
#undef IPP
//------------------------------------------------------------------------------------------------------------------------------
#if 0
#define VSTI(__ip, __i, __iv, __sv) v = _mm256_loadu_si256(__ip++); DELTA256x32(v,__sv, __iv) //__sv = v
#define IPP(ip, i, __iv) __iv
#include "bitpack256v_.h"
unsigned char *bitdpack256v32(unsigned *__restrict in, unsigned char *__restrict out, unsigned start, unsigned b) { unsigned char *pout = out+PAD8(256*b);
__m256i v; //,sv = _mm256_set1_epi32(start),zv = _mm256_setzero_si256();
__m128i sv = _mm_set1_epi32(start);
BITPACK256V32(in, b, out, sv);
return pout;
}
#undef VSTI
//------------------------------------------------------------------------------------------------------------------------------
#define VSTI(__ip, __i, __iv, __sv) v = _mm256_loadu_si256(__ip++); __iv = _mm256_sub_epi32(DELTA256x32(v,__sv),cv); __sv = v
unsigned char *bitd1pack256v32(unsigned *__restrict in, unsigned char *__restrict out, unsigned start, unsigned b) { unsigned char *pout = out+PAD8(256*b);
__m256i v, sv = _mm256_set1_epi32(start), cv = _mm256_set1_epi32(1);
//BITPACK256V32(in, b, out, sv); return pout;
}
#undef VSTI
//------------------------------------------------------------------------------------------------------------------------------
#define VSTI(__ip, __i, __iv, __sv) v = _mm256_loadu_si256(__ip++); __iv = DELTA256x32(v,__sv); __sv = v; __iv = ZIGZAG256x32(__iv)
unsigned char *bitzpack256v32(unsigned *__restrict in, unsigned char *__restrict out, unsigned start, unsigned b) { unsigned char *pout = out+PAD8(256*b);
__m256i v, sv = _mm256_set1_epi32(start), cv = _mm256_set1_epi32(1);
//BITPACK256V32(in, b, out, sv);
return pout;
}
#endif
#undef VSTI
#endif