Byte+Nibble Transpose/Shuffle
This commit is contained in:
powturbo
421
transpose.c
421
transpose.c
@ -21,47 +21,196 @@
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- twitter : https://twitter.com/powturbo
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- email : powturbo [_AT_] gmail [_DOT_] com
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**/
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// transpose.c - byte transpose
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// transpose.c - nibble/byte transpose
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#ifndef ESIZE
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#if !defined(TRANSPOSE) && !defined(TRANSPOSEV)
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#include <string.h>
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#ifdef __SSSE3__
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#include <tmmintrin.h>
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#elif defined(__SSE2__)
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#include <pmmintrin.h>
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#endif
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#include "conf.h"
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#include "transpose.h"
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#define TRANSPOSE transpose
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#define UNTRANSPOSE untranspose
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#define ESIZE 2
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#include __FILE__
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#include "transpose.c"
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#undef ESIZE
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#define ESIZE 3
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#include __FILE__
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#undef ESIZE
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#define ESIZE 4
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#include __FILE__
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#include "transpose.c"
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#undef ESIZE
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#define ESIZE 8
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#include __FILE__
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#include "transpose.c"
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#undef ESIZE
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#define ESIZE 16
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#include __FILE__
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#include "transpose.c"
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#undef ESIZE
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#ifdef __SSSE3__
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#include <tmmintrin.h>
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#elif defined(__SSE2__)
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#include <pmmintrin.h>
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#endif
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#undef TRANSPOSE
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#undef UNTRANSPOSE
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void transposev4(unsigned char *in, unsigned n, unsigned char *out) {
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#define ESIZE 4
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#define TRANSPOSE _transpose
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#define UNTRANSPOSE _untranspose
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#define STRIDE 4
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#define TRANSPOSEV transpose
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#define UNTRANSPOSEV untranspose
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#include "transpose.c"
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#undef ESIZE
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#undef TRANSPOSE
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#undef UNTRANSPOSE
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#undef STRIDE
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#undef TRANSPOSEV
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#undef UNTRANSPOSEV
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#define STRIDE 8
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#define TRANSPOSEV transposen
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#define UNTRANSPOSEV untransposen
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#include "transpose.c"
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void transpose(unsigned char *in, unsigned n, unsigned char *out, unsigned esize) {
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switch(esize) {
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case 2: transpose2 (in,n,out); break;
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case 3: transpose3 (in,n,out); break;
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case 4: transpose4( in,n,out); break;
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case 8: transpose8 (in,n,out); break;
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case 16: transpose16(in,n,out); break;
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default: {
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unsigned bsize = n/esize,i;
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unsigned char *op,*ip;
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for(ip = in,op = out; ip < in+bsize*esize; op++)
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for(i = 0; i < esize; i++)
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op[i*bsize] = *ip++;
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for(op = out + esize*bsize; ip < in+n;)
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*op++ = *ip++;
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}
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}
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}
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void untranspose(unsigned char *in, unsigned n, unsigned char *out, unsigned esize) {
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switch(esize) {
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case 2: untranspose2 (in,n,out); break;
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case 3: untranspose3 (in,n,out); break;
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case 4: untranspose4( in,n,out); break;
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case 8: untranspose8 (in,n,out); break;
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case 16: untranspose16(in,n,out); break;
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default: {
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unsigned bsize = n/esize,i;
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unsigned char *op,*ip;
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for(op = out,ip = in; op < out+bsize*esize; ip++)
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for(i = 0; i < esize; i++)
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*op++ = ip[i*bsize];
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for(ip = in+esize*bsize; op < out+n;)
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*op++ = *ip++;
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}
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}
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}
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#else
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#ifdef TRANSPOSE
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#define powof2(n) !((n)&((n)-1))
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void TEMPLATE2(TRANSPOSE, ESIZE)(unsigned char *in, unsigned n, unsigned char *out) {
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unsigned bsize = n/ESIZE,i;
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unsigned char *op,*ip,*e;
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#if powof2(ESIZE)
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e = in+(n&~(ESIZE-1));
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#else
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e = in+bsize*ESIZE;
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#endif
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for(ip = in,op = out; ip < e; op++) {
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op[0] = *ip++;
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op[i =bsize] = *ip++;
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#if ESIZE > 2
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op[i+=bsize] = *ip++;
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#if ESIZE > 3
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op[i+=bsize] = *ip++;
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#if ESIZE > 4
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op[i+=bsize] = *ip++;
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op[i+=bsize] = *ip++;
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op[i+=bsize] = *ip++;
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op[i+=bsize] = *ip++;
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#if ESIZE > 8
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op[i+=bsize] = *ip++;
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op[i+=bsize] = *ip++;
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op[i+=bsize] = *ip++;
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op[i+=bsize] = *ip++;
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op[i+=bsize] = *ip++;
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op[i+=bsize] = *ip++;
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op[i+=bsize] = *ip++;
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op[i+=bsize] = *ip++;
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#endif
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#endif
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#endif
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#endif
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}
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op = out+bsize*ESIZE; while(ip < in+n) *op++ = *ip++;
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}
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void TEMPLATE2(UNTRANSPOSE, ESIZE)(unsigned char *in, unsigned n, unsigned char *out) {
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unsigned bsize = n/ESIZE,i;
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unsigned char *op,*ip,*e;
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#if powof2(ESIZE)
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e = out+(n&~(ESIZE-1));
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#else
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e = out+bsize*ESIZE;
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#endif
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for(op = out,ip = in; op < e; ip++) {
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*op++ = ip[0];
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*op++ = ip[i =bsize];
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#if ESIZE > 2
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*op++ = ip[i+=bsize];
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#if ESIZE > 3
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*op++ = ip[i+=bsize];
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#if ESIZE > 4
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*op++ = ip[i+=bsize];
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*op++ = ip[i+=bsize];
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*op++ = ip[i+=bsize];
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*op++ = ip[i+=bsize];
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#if ESIZE > 8
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*op++ = ip[i+=bsize];
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*op++ = ip[i+=bsize];
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*op++ = ip[i+=bsize];
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*op++ = ip[i+=bsize];
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*op++ = ip[i+=bsize];
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*op++ = ip[i+=bsize];
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*op++ = ip[i+=bsize];
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*op++ = ip[i+=bsize];
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#endif
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#endif
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#endif
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#endif
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}
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ip = in+bsize*ESIZE;
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while(op < out+n)
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*op++ = *ip++;
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}
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#endif
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#ifdef TRANSPOSEV
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void TEMPLATE2(TRANSPOSEV, 4)(unsigned char *in, unsigned n, unsigned char *out) {
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#ifdef __SSE2__
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unsigned v = n&~(64-1), bsize = v/4,i;
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unsigned v = n&~(64-1), bsize = v/STRIDE,i;
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unsigned char *op,*ip;
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#ifdef __SSE3__
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static unsigned char s[16] = { 0, 4, 8, 12, 1, 5, 9, 13, 2, 6, 10, 14, 3, 7, 11, 15 };
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__m128i sv = _mm_loadu_si128((__m128i *)s);
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#endif
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for(ip = in,op = out; ip != in+v; op += 16) {
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#if STRIDE == 8
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__m128i cl = _mm_set1_epi8(0x0f),ch=_mm_set1_epi8(0xf0), cb = _mm_set1_epi16(0xff);
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#endif
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for(ip = in,op = out; ip != in+v; op += 64/STRIDE) {
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__m128i iv[4],ov[4];
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#ifdef __SSSE3__
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@ -105,27 +254,124 @@ void transposev4(unsigned char *in, unsigned n, unsigned char *out) {
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iv[2] = _mm_unpacklo_epi64(ov[1], ov[3]);
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iv[3] = _mm_unpackhi_epi64(ov[1], ov[3]);
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#endif
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#if STRIDE == 8
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ov[0] = _mm_and_si128(iv[0], cl);
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ov[0] = _mm_and_si128(_mm_or_si128(_mm_srli_epi16(ov[0],4), ov[0]),cb);
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ov[0] = _mm_packus_epi16(ov[0], _mm_srli_si128( ov[0],2));
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ov[1] = _mm_srli_epi16(_mm_and_si128(iv[0], ch),4);
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ov[1] = _mm_and_si128(_mm_or_si128(_mm_srli_epi16(ov[1],4), ov[1]),cb);
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ov[1] = _mm_packus_epi16(ov[1], _mm_srli_si128( ov[1],2));
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ov[2] = _mm_and_si128(iv[1], cl);
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ov[2] = _mm_and_si128(_mm_or_si128(_mm_srli_epi16(ov[2],4), ov[2]),cb);
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ov[2] = _mm_packus_epi16(ov[2], _mm_srli_si128( ov[2],2));
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ov[3] = _mm_srli_epi16(_mm_and_si128(iv[1], ch),4);
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ov[3] = _mm_and_si128(_mm_or_si128(_mm_srli_epi16(ov[3],4), ov[3]),cb);
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ov[3] = _mm_packus_epi16(ov[3], _mm_srli_si128( ov[3],2));
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_mm_storel_epi64((__m128i *)op, ov[0]);
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_mm_storel_epi64((__m128i *)(op+(i =bsize)), ov[1]);
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_mm_storel_epi64((__m128i *)(op+(i+=bsize)), ov[2]);
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_mm_storel_epi64((__m128i *)(op+(i+=bsize)), ov[3]);
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ov[0] = _mm_and_si128(iv[2], cl);
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ov[0] = _mm_and_si128(_mm_or_si128(_mm_srli_epi16(ov[0],4), ov[0]),cb);
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ov[0] = _mm_packus_epi16(ov[0], _mm_srli_si128( ov[0],2));
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ov[1] = _mm_srli_epi16(_mm_and_si128(iv[2], ch),4);
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ov[1] = _mm_and_si128(_mm_or_si128(_mm_srli_epi16(ov[1],4), ov[1]),cb);
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ov[1] = _mm_packus_epi16(ov[1], _mm_srli_si128( ov[1],2));
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ov[2] = _mm_and_si128(iv[3], cl);
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ov[2] = _mm_and_si128(_mm_or_si128(_mm_srli_epi16(ov[2],4), ov[2]),cb);
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ov[2] = _mm_packus_epi16(ov[2], _mm_srli_si128( ov[2],2));
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ov[3] = _mm_srli_epi16(_mm_and_si128(iv[3], ch),4);
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ov[3] = _mm_and_si128(_mm_or_si128(_mm_srli_epi16(ov[3],4), ov[3]),cb);
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ov[3] = _mm_packus_epi16(ov[3], _mm_srli_si128( ov[3],2));
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_mm_storel_epi64((__m128i *)(op+(i+=bsize)), ov[0]);
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_mm_storel_epi64((__m128i *)(op+(i+=bsize)), ov[1]);
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_mm_storel_epi64((__m128i *)(op+(i+=bsize)), ov[2]);
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_mm_storel_epi64((__m128i *)(op+(i+=bsize)), ov[3]);
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#else
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_mm_storeu_si128((__m128i *)op, iv[0]);
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_mm_storeu_si128((__m128i *)(op+(i =bsize)), iv[1]);
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_mm_storeu_si128((__m128i *)(op+(i+=bsize)), iv[2]);
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_mm_storeu_si128((__m128i *)(op+(i+=bsize)), iv[3]);
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#endif
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}
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transpose4(in+v, n-v, out+v);
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_transpose4(in+v, n-v, out+v);
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#else
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transpose4(in, n, out);
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_transpose4(in, n, out);
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#endif
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}
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#endif
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void untransposev4(unsigned char *in, unsigned n, unsigned char *out) {
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#ifdef UNTRANSPOSEV
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void TEMPLATE2(UNTRANSPOSEV, 4)(unsigned char *in, unsigned n, unsigned char *out) {
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#ifdef __SSE2__
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unsigned v = n&~(64-1), bsize = v/4,i;
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#if STRIDE == 8
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__m128i cl = _mm_set1_epi8(0x0f),ch=_mm_set1_epi8(0xf0), cb = _mm_set1_epi16(0xff);
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#endif
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unsigned v = n&~(64-1), bsize = v/STRIDE,i;
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unsigned char *op,*ip;
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for(op = out,ip = in; op != out+v; ip += 16) {
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for(op = out,ip = in; op != out+v; ip += 64/STRIDE) {
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__m128i iv[4], ov[4];
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#if STRIDE == 8
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ov[0] = _mm_loadl_epi64((__m128i *) ip) ;
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ov[1] = _mm_loadl_epi64((__m128i *)(ip+(i =bsize)));
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ov[0] = _mm_unpacklo_epi8(ov[0], _mm_srli_epi16(ov[0],4));
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ov[0] = _mm_and_si128(ov[0], cl);
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ov[1] = _mm_unpacklo_epi8(ov[1], _mm_srli_epi16(ov[1],4));
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ov[1] = _mm_and_si128(ov[1], cl);
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iv[0] = _mm_or_si128(_mm_slli_epi16(ov[1],4), ov[0]);
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ov[2] = _mm_loadl_epi64((__m128i *)(ip+(i+=bsize)));
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ov[3] = _mm_loadl_epi64((__m128i *)(ip+(i+=bsize)));
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ov[2] = _mm_unpacklo_epi8(ov[2], _mm_srli_epi16(ov[2],4));
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ov[2] = _mm_and_si128(ov[2], cl);
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ov[3] = _mm_unpacklo_epi8(ov[3], _mm_srli_epi16(ov[3],4));
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ov[3] = _mm_and_si128(ov[3], cl);
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iv[1] = _mm_or_si128(_mm_slli_epi16(ov[3],4), ov[2]);
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ov[0] = _mm_loadl_epi64((__m128i *)(ip+(i+=bsize)));
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ov[1] = _mm_loadl_epi64((__m128i *)(ip+(i+=bsize)));
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ov[0] = _mm_unpacklo_epi8(ov[0], _mm_srli_epi16(ov[0],4));
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ov[0] = _mm_and_si128(ov[0], cl);
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ov[1] = _mm_unpacklo_epi8(ov[1], _mm_srli_epi16(ov[1],4));
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ov[1] = _mm_and_si128(ov[1], cl);
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iv[2] = _mm_or_si128(_mm_slli_epi16(ov[1],4), ov[0]);
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ov[2] = _mm_loadl_epi64((__m128i *)(ip+(i+=bsize)));
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ov[3] = _mm_loadl_epi64((__m128i *)(ip+(i+=bsize)));
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ov[2] = _mm_unpacklo_epi8(ov[2], _mm_srli_epi16(ov[2],4));
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ov[2] = _mm_and_si128(ov[2], cl);
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ov[3] = _mm_unpacklo_epi8(ov[3], _mm_srli_epi16(ov[3],4));
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ov[3] = _mm_and_si128(ov[3], cl);
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iv[3] = _mm_or_si128(_mm_slli_epi16(ov[3],4), ov[2]);
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#else
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iv[0] = _mm_loadu_si128((__m128i *) ip) ;
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iv[1] = _mm_loadu_si128((__m128i *)(ip+(i =bsize)));
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iv[2] = _mm_loadu_si128((__m128i *)(ip+(i+=bsize)));
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iv[3] = _mm_loadu_si128((__m128i *)(ip+(i+=bsize)));
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#endif
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ov[0] = _mm_unpacklo_epi8(iv[0], iv[1]);
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ov[1] = _mm_unpackhi_epi8(iv[0], iv[1]);
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@ -137,130 +383,11 @@ void untransposev4(unsigned char *in, unsigned n, unsigned char *out) {
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_mm_storeu_si128((__m128i *)op, _mm_unpacklo_epi16(ov[1], ov[3])); op += 16;
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_mm_storeu_si128((__m128i *)op, _mm_unpackhi_epi16(ov[1], ov[3])); op += 16;
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}
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untranspose4(in+v, n-v, out+v);
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_untranspose4(in+v, n-v, out+v);
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#else
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transpose4(in, n, out);
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_untranspose4(in, n, out);
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#endif
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}
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void transpose(unsigned char *in, unsigned n, unsigned char *out, unsigned esize) {
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switch(esize) {
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case 2: transpose2 (in,n,out); break;
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case 3: transpose3 (in,n,out); break;
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case 4: transpose4 (in,n,out); break;
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case 8: transpose8 (in,n,out); break;
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case 16: transpose16(in,n,out); break;
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default: {
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unsigned bsize = n/esize,i;
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unsigned char *op,*ip;
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for(ip = in,op = out; ip < in+bsize*esize; op++)
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for(i = 0; i < esize; i++)
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op[i*bsize] = *ip++;
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for(op += esize*bsize; ip < in+n;)
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*op++ = *ip++;
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}
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}
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}
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void untranspose(unsigned char *in, unsigned n, unsigned char *out, unsigned esize) {
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switch(esize) {
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case 2: untranspose2 (in,n,out); break;
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case 3: untranspose3 (in,n,out); break;
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case 4: untranspose4 (in,n,out); break;
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case 8: untranspose8 (in,n,out); break;
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case 16: untranspose16(in,n,out); break;
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default: {
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unsigned bsize = n/esize,i;
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unsigned char *op,*ip;
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for(op = out,ip = in; op < out+bsize*esize; ip++)
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for(i = 0; i < esize; i++)
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*op++ = ip[i*bsize];
|
||||
for(ip += esize*bsize; op < out+n;)
|
||||
*op++ = *ip++;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
#include "conf.h"
|
||||
#define powof2(n) !((n)&((n)-1))
|
||||
|
||||
void TEMPLATE2(transpose, ESIZE)(unsigned char *in, unsigned n, unsigned char *out) {
|
||||
unsigned bsize = n/ESIZE,i;
|
||||
unsigned char *op,*ip,*e;
|
||||
#if powof2(ESIZE)
|
||||
e = in+(n&~(ESIZE-1));
|
||||
#else
|
||||
e = in+bsize*ESIZE;
|
||||
#endif
|
||||
|
||||
for(ip = in,op = out; ip < e; op++) {
|
||||
op[0] = *ip++;
|
||||
op[i =bsize] = *ip++;
|
||||
#if ESIZE > 2
|
||||
op[i+=bsize] = *ip++;
|
||||
#if ESIZE > 3
|
||||
op[i+=bsize] = *ip++;
|
||||
#if ESIZE > 4
|
||||
op[i+=bsize] = *ip++;
|
||||
op[i+=bsize] = *ip++;
|
||||
op[i+=bsize] = *ip++;
|
||||
op[i+=bsize] = *ip++;
|
||||
#if ESIZE > 8
|
||||
op[i+=bsize] = *ip++;
|
||||
op[i+=bsize] = *ip++;
|
||||
op[i+=bsize] = *ip++;
|
||||
op[i+=bsize] = *ip++;
|
||||
op[i+=bsize] = *ip++;
|
||||
op[i+=bsize] = *ip++;
|
||||
op[i+=bsize] = *ip++;
|
||||
op[i+=bsize] = *ip++;
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
}
|
||||
op = out+bsize*ESIZE; while(ip < in+n) *op++ = *ip++;
|
||||
}
|
||||
|
||||
void TEMPLATE2(untranspose, ESIZE)(unsigned char *in, unsigned n, unsigned char *out) {
|
||||
unsigned bsize = n/ESIZE,i;
|
||||
unsigned char *op,*ip,*e;
|
||||
|
||||
#if powof2(ESIZE)
|
||||
e = out+(n&~(ESIZE-1));
|
||||
#else
|
||||
e = out+bsize*ESIZE;
|
||||
#endif
|
||||
for(op = out,ip = in; op < e; ip++) {
|
||||
*op++ = ip[0];
|
||||
*op++ = ip[i =bsize];
|
||||
#if ESIZE > 2
|
||||
*op++ = ip[i+=bsize];
|
||||
#if ESIZE > 3
|
||||
*op++ = ip[i+=bsize];
|
||||
#if ESIZE > 4
|
||||
*op++ = ip[i+=bsize];
|
||||
*op++ = ip[i+=bsize];
|
||||
*op++ = ip[i+=bsize];
|
||||
*op++ = ip[i+=bsize];
|
||||
#if ESIZE > 8
|
||||
*op++ = ip[i+=bsize];
|
||||
*op++ = ip[i+=bsize];
|
||||
*op++ = ip[i+=bsize];
|
||||
*op++ = ip[i+=bsize];
|
||||
*op++ = ip[i+=bsize];
|
||||
*op++ = ip[i+=bsize];
|
||||
*op++ = ip[i+=bsize];
|
||||
*op++ = ip[i+=bsize];
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
#endif
|
||||
}
|
||||
ip = in+bsize*ESIZE;
|
||||
while(op < out+n)
|
||||
*op++ = *ip++;
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif
|
||||
|
||||
35
transpose.h
35
transpose.h
@ -21,27 +21,32 @@
|
||||
- twitter : https://twitter.com/powturbo
|
||||
- email : powturbo [_AT_] gmail [_DOT_] com
|
||||
**/
|
||||
// transpose.h - byte transpose
|
||||
// transpose.h - byte transpose
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
// Transpose/Shuffle block for further compressing with lz77 or other compressors
|
||||
void transpose2 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void transpose3 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void transpose4 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void transpose8 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void transpose16 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void transpose (unsigned char *in, unsigned n, unsigned char *out, unsigned esize);
|
||||
|
||||
void transpose2 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void transpose3 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void transpose4 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void transpose8 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void transpose16 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void transpose (unsigned char *in, unsigned n, unsigned char *out, unsigned esize);
|
||||
void untranspose2 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void untranspose3 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void untranspose4 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void untranspose8 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void untranspose16 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void untranspose (unsigned char *in, unsigned n, unsigned char *out, unsigned esize);
|
||||
|
||||
void untranspose2 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void untranspose3 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void untranspose4 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void untranspose8 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void untranspose16 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void untranspose (unsigned char *in, unsigned n, unsigned char *out, unsigned esize);
|
||||
// scalar transpose
|
||||
void _transpose4 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void _untranspose4 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
|
||||
void transposev4 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void untransposev4(unsigned char *in, unsigned n, unsigned char *out);
|
||||
// Nibble transpose
|
||||
void transposen4 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
void untransposen4 (unsigned char *in, unsigned n, unsigned char *out);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user