daiduo/TurboPFor-Integer-Compression
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TurboPFor: Turbobyte SIMD

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2023-03-13 10:40:37 +01:00
parent b38d1a869b
commit b08263af09
1 changed files with 28 additions and 29 deletions
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27
v8.c
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@ -31,22 +31,21 @@
#include "include_/vint.h"
#include "include_/bitutil_.h"
size_t v8len32(const uint32_t *in, size_t n) {
size_t c = 0;
uint32_t *ip;
for(ip = in; ip < in+n; ip++)
c += ip[0]?(bsr32(ip[0]) + 7)/8:1;
return c + (n*2+7)/8;
}
size_t v8len16(const uint16_t *in, size_t n) {
size_t c = 0;
uint16_t *ip;
for(ip = in; ip < in + n; ip++)
c += ip[0]?(bsr16(ip[0]) + 7)/8:1;
return c + (n+7)/8;
return c + V8PAYLOAD(n, 16);
}
size_t v8len32(const uint32_t *in, size_t n) {
size_t c = 0;
uint32_t *ip;
for(ip = in; ip < in+n; ip++)
c += ip[0]?(bsr32(ip[0]) + 7)/8:1;
return c + V8PAYLOAD(n, 32);
}
#define LEN32(_m_,_i_) len32[(uint8_t)(_m_>>(_i_*8))]
static const unsigned char len32[256] = {
@ -797,7 +796,7 @@ static const ALIGNED(unsigned char, svd16[256][16],16) = {
#define OP out
#define IP in
#define IPINC 0
#define DATABEG(_p_,_n_,_s_) _p_ + (((_n_)+(_s_-1))/_s_)
#define DATABEG(_p_,_n_,_usize_) _p_ + V8PAYLOAD(_n_, _usize_)
#define PNEXT(_p0_,_p_,_i_) _p0_ += _i_
#define PNEXTA(_p0_,_p_,_i_) 0
#define PNEXTB(_p0_,_i_) _p0_ += _i_
@ -960,7 +959,7 @@ static const ALIGNED(unsigned char, svd16[256][16],16) = {
unsigned char *T2(V8ENC,32)(uint32_t *__restrict in, unsigned n, unsigned char *__restrict out V8DELTA32) {
uint32_t *ip,v;
unsigned char *op = DATABEG(out,n,4),*sp=out;
unsigned char *op = DATABEG(out,n,32),*sp = out;
#ifdef __AVX2__ // slightly faster than SSE ----------------------------------------------------------------------------------------------
VEINI256v32; const __m256i cv1_8 = _mm256_set1_epi8(1), cv7f00 = _mm256_set1_epi16(0x7F00), zv = _mm256_setzero_si256();
@ -1062,7 +1061,7 @@ unsigned char *T2(V8ENC,32)(uint32_t *__restrict in, unsigned n, unsigned char *
unsigned char *T2(V8DEC,32)(unsigned char *__restrict in, unsigned n, uint32_t *__restrict out V8DELTA32) {
uint32_t *op=out, v;
unsigned char *ip = DATABEG(in,n,4);
unsigned char *ip = DATABEG(in,n,32);
if(!n) return in;
#ifdef __AVX2__ //slightly faster than SSE ------------------------------------------------------------------------------------------
VDINI256v32;
@ -1217,7 +1216,7 @@ unsigned char *T2(V8DEC,32)(unsigned char *__restrict in, unsigned n, uint32_t
unsigned char *T2(V8ENC,16)(uint16_t *__restrict in, unsigned n, unsigned char *__restrict out V8DELTA16) {
uint16_t *ip,v;
unsigned char *op = DATABEG(out,n,2);
unsigned char *op = DATABEG(out,n,16);
#if defined(__SSSE3__) || defined(__ARM_NEON) //--------------------------------
VEINI128v16; const __m128i cv1_8 = _mm_set1_epi8(1);
@ -1284,7 +1283,7 @@ unsigned char *T2(V8ENC,16)(uint16_t *__restrict in, unsigned n, unsigned char *
unsigned char *T2(V8DEC,16)(unsigned char *__restrict in, unsigned n, uint16_t *__restrict out V8DELTA16) {
uint16_t *op;
unsigned char *ip = DATABEG(in,n,2);
unsigned char *ip = DATABEG(in,n,16);
uint16_t v;
#if defined(__SSSE3__) || defined(__ARM_NEON)//-----------------------