533 lines
17 KiB
C
533 lines
17 KiB
C
/**
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Copyright (C) powturbo 2013-2023
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SPDX-License-Identifier: GPL v2 License
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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- homepage : https://sites.google.com/site/powturbo/
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- github : https://github.com/powturbo
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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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// "Integer Compression" TurboPFor - Pfor/PforDelta
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#ifndef USIZE
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#define TURBOPFOR_DAC
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#include "include_/conf.h"
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#include "include_/vp4.h"
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#include "include_/bitutil.h"
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#include "include_/vint.h"
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#include "include_/vlcbyte.h"
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#include "include_/bitutil_.h"
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#pragma warning( disable : 4005)
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#pragma warning( disable : 4090)
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#pragma warning( disable : 4068)
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#define PAD8(__x) ( (((__x)+8-1)/8) )
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#define P4DELTA(a)
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#define P4DELTA_(a)
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#if defined(__SSSE3__) || defined(__ARM_NEON) || defined(__loongarch_lp64)
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extern char _shuffle_32[16][16]; // defined in bitunpack.c
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extern char _shuffle_16[256][16];
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#endif
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#ifdef __AVX2__
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#define VSIZE 256
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#define P4DELTA(a)
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#define P4DELTA_(a)
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#define _P4DEC _p4dec256v
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#define P4DEC p4dec256v
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#define P4NDEC p4ndec256v
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#define P4NDECS p4dec
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#define BITUNPACK bitunpack256v
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#define BITUNPACKD bitunpack256v
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#define _BITUNPACKD _bitunpack256v
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#define USIZE 32
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#include "vp4d.c"
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#define P4DELTA(a) ,a
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#define P4DELTA_(a) a
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#define DELTA
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#define _P4DEC _p4ddec256v
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#define P4DEC p4ddec256v
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#define P4NDEC p4nddec256v
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#define P4NDECS p4ddec
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#define BITUNPACKD bitdunpack256v
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#define _BITUNPACKD _bitdunpack256v
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#define BITUNDD bitddec
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#include "vp4d.c"
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#define _P4DEC _p4d1dec256v
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#define P4DEC p4d1dec256v
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#define P4NDEC p4nd1dec256v
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#define P4NDECS p4d1dec
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#define BITUNPACKD bitd1unpack256v
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#define _BITUNPACKD _bitd1unpack256v
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#define BITUNDD bitd1dec
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#include "vp4d.c"
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#define _P4DEC _p4zdec256v
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#define P4DEC p4zdec256v
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#define P4NDEC p4nzdec256v
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#define P4NDECS p4zdec
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#define BITUNPACKD bitzunpack256v
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#define _BITUNPACKD _bitzunpack256v
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#define BITUNDD bitzdec
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#define USIZE 32
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#include "vp4d.c"
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#undef BITUNDD
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// #elif !defined(__SSE3__)
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#elif defined(__SSSE3__) || defined(__ARM_NEON) || defined(__loongarch_lp64)
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#define _P4DEC _p4dec
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#define P4DEC p4dec
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#define P4NDEC p4ndec
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#define P4NDECS p4dec
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#define BITUNPACK bitunpack // unpack only
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#define BITUNPACKD bitunpack // integrated unpack
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#define _BITUNPACKD bitunpack // integrated pfor
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#define P4DECX // direct access no 64 bits
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#define USIZE 8
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#include "vp4d.c"
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#define USIZE 16
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#include "vp4d.c"
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#define USIZE 32
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#include "vp4d.c"
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#undef P4DECX
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#define USIZE 64
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#include "vp4d.c"
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#define P4DELTA(a) ,a
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#define P4DELTA_(a) a
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#define DELTA
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#define _P4DEC _p4ddec //delta0
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#define P4DEC p4ddec
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#define P4NDEC p4nddec
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#define P4NDECS p4ddec
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#define BITUNPACKD bitdunpack
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#define _BITUNPACKD _bitdunpack
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#define BITUNDD bitddec
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#define USIZE 8
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#include "vp4d.c"
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#define USIZE 16
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#include "vp4d.c"
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#define USIZE 32
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#include "vp4d.c"
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#define USIZE 64
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#include "vp4d.c"
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#define _P4DEC _p4d1dec //delta1
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#define P4DEC p4d1dec
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#define P4NDEC p4nd1dec
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#define P4NDECS p4d1dec
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#define BITUNPACKD bitd1unpack
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#define _BITUNPACKD bitd1unpack
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#define BITUNDD bitd1dec
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#define USIZE 8
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#include "vp4d.c"
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#define USIZE 16
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#include "vp4d.c"
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#define USIZE 32
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#include "vp4d.c"
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#define USIZE 64
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#include "vp4d.c"
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#define _P4DEC _p4zdec //zigzag0
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#define P4DEC p4zdec
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#define P4NDEC p4nzdec
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#define P4NDECS p4zdec
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#define BITUNPACKD bitzunpack
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#define _BITUNPACKD _bitzunpack
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#define BITUNDD bitzdec
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#define USIZE 8
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#include "vp4d.c"
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#define USIZE 16
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#include "vp4d.c"
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#define USIZE 32
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#include "vp4d.c"
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#define USIZE 64
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#include "vp4d.c"
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#undef _P4DEC
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#undef P4DEC
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#undef BITUNPACK
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#undef BITUNDD
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#undef P4DELTA
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#undef USIZE
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#undef DELTA
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// #elif defined(__SSSE3__) || defined(__ARM_NEON) || defined(__loongarch_lp64)
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#define VSIZE 128
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#define P4DELTA(a)
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#define P4DELTA_(a)
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#define _P4DEC _p4dec128v
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#define P4DEC p4dec128v
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#define P4NDEC p4ndec128v
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#define P4NDECS p4dec
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#define BITUNPACK bitunpack128v
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#define BITUNPACKD bitunpack128v
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#define _BITUNPACKD _bitunpack128v
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#define USIZE 16
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#include "vp4d.c"
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#define USIZE 32
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#include "vp4d.c"
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#define USIZE 64
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#include "vp4d.c"
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#define P4DELTA(a) ,a
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#define P4DELTA_(a) a
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#define DELTA
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#define _P4DEC _p4ddec128v
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#define P4DEC p4ddec128v
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#define P4NDEC p4nddec128v
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#define P4NDECS p4ddec
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#define BITUNPACKD bitdunpack128v
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#define _BITUNPACKD _bitdunpack128v
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#define BITUNDD bitddec
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#define USIZE 16
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#include "vp4d.c"
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#define USIZE 32
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#include "vp4d.c"
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#define _P4DEC _p4d1dec128v
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#define P4DEC p4d1dec128v
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#define P4NDEC p4nd1dec128v
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#define P4NDECS p4d1dec
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#define BITUNPACKD bitd1unpack128v
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#define _BITUNPACKD _bitd1unpack128v
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#define BITUNDD bitd1dec
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#define USIZE 16
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#include "vp4d.c"
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#define USIZE 32
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#include "vp4d.c"
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#define _P4DEC _p4zdec128v
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#define P4DEC p4zdec128v
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#define P4NDEC p4nzdec128v
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#define P4NDECS p4zdec
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#define BITUNPACKD bitzunpack128v
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#define _BITUNPACKD _bitzunpack128v
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#define BITUNDD bitzdec
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#define USIZE 16
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#include "vp4d.c"
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#define USIZE 32
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#include "vp4d.c"
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#undef BITUNDD
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#undef P4DELTA
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#undef DELTA
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#define VSIZE 256
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#define P4DELTA(a)
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#define P4DELTA_(a)
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#undef DELTA
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#define _P4DEC _p4dec256w
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#define P4DEC p4dec256w
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#define P4NDEC p4ndec256w
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#define P4NDECS p4dec
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#define BITUNPACK bitunpack256w
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#define BITUNPACKD bitunpack256w
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#define _BITUNPACKD _bitunpack256w
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#include "vp4d.c"
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#endif
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#undef DELTA
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#else
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#define uint_t T3(uint, USIZE, _t)
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#pragma GCC push_options
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#pragma GCC optimize ("align-functions=16")
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ALWAYS_INLINE unsigned char *T2(_P4DEC, USIZE)(unsigned char *__restrict in, unsigned n, uint_t *__restrict out P4DELTA(uint_t start), unsigned b, unsigned bx ) {
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if(!(b & 0x80)) {
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#if USIZE == 64
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b = (b == 63)?64:b; // 63,64 are both encoded w. same bitsize 64 (permits using only 6 bits for b)
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#endif
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return T2(BITUNPACKD, USIZE)(in, n, out P4DELTA(start), b); // bitunpack only
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}
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b &= 0x7f;
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#if VSIZE >= 128 // vertical SIMD bitpacking
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#if USIZE == 64
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if(b+bx <= 32) // use SIMD when bitsize <= 32 (scalar horizontal bitunpack64 is used when 32 < bitsize <=64 )
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#endif
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{ unsigned char *pb = in;
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#if VSIZE == 128
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#if USIZE == 64
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uint32_t ex[P4D_MAX+64];
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in = T2(bitunpack, 32)(in+16, popcnt64(ctou64(in)) + popcnt64(ctou64(in+8)), ex, bx); // unpack the fixex size part
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#else
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uint_t ex[P4D_MAX+64];
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in = T2(bitunpack, USIZE)(in+16, popcnt64(ctou64(in)) + popcnt64(ctou64(in+8)), ex, bx);
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#endif
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#else
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uint_t ex[P4D_MAX+64];
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in = T2(bitunpack, USIZE)(in+32, popcnt64(ctou64(in)) + popcnt64(ctou64(in+8)) + popcnt64(ctou64(in+16)) + popcnt64(ctou64(in+24)), ex, bx);
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#endif
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return T2(_BITUNPACKD, USIZE)(in, n, out P4DELTA(start), b, ex, pb); // unpack and merge the exceptions
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}
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#endif
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#if VSIZE < 128 || USIZE == 64 // bitunpack the rest number of elements < 128/256 or when 32 < bitsize <=64 is used
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{ uint_t ex[P4D_MAX+64];
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unsigned long long bb[P4D_MAX/64];
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unsigned num=0,i,p4dn = (n+63)/64;
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for(i = 0; i < n/64; i++) { bb[i] = ctou64(in+i*8); num += popcnt64(bb[i]); }
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if(n & 0x3f) { bb[i] = ctou64(in+i*8) & ((1ull<<(n&0x3f))-1); num += popcnt64(bb[i]); }
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in = T2(bitunpack, USIZE)(in+PAD8(n), num, ex, bx);
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in = T2(BITUNPACK, USIZE)(in, n, out, b);
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#if 0 //defined(__AVX2__)
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{ uint_t *op,*pex = ex;
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for(i = 0; i < p4dn; i++) {
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for(op = out; bb[i]; bb[i] >>= 8,op += 8) { unsigned m = (unsigned char)bb[i], mc=popcnt32(m), s = pex[mc]; pex[mc]=0;
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_mm256_storeu_si256((__m256i *)op, _mm256_add_epi32(_mm256_loadu_si256((const __m256i*)op), mm256_maskz_expand_epi32(m,_mm256_slli_epi32(_mm256_load_si256((const __m256i*)pex), b)))); pex += mc; *pex=s;
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} //out += 64;
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}
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}
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#elif (defined(__SSSE3__) || defined(__ARM_NEON) || defined(__loongarch_lp64)) && USIZE == 32
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{ uint_t *_op = out,*op,*pex = ex;
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for(i = 0; i < p4dn; i++) {
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for(op=_op; bb[i]; bb[i] >>= 4,op+=4) { const unsigned m = bb[i]&0xf;
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_mm_storeu_si128((__m128i *)op, _mm_add_epi32(_mm_loadu_si128((__m128i*)op), _mm_shuffle_epi8(_mm_slli_epi32(_mm_loadu_si128((__m128i*)pex), b), _mm_load_si128((__m128i*)_shuffle_32[m]) ) )); pex += popcnt32(m);
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} _op+=64;
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}
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}
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#elif (defined(__SSSE3__) || defined(__ARM_NEON) || defined(__loongarch_lp64)) && USIZE == 16
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{ uint_t *_op = out, *op, *pex = ex;
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for(i = 0; i < p4dn; i++) {
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for(op = _op; bb[i]; bb[i] >>= 8,op += 8) { const unsigned char m = bb[i];
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_mm_storeu_si128((__m128i *)op, _mm_add_epi16(_mm_loadu_si128((__m128i*)op), _mm_shuffle_epi8(_mm_slli_epi16(_mm_loadu_si128((__m128i*)pex), b), _mm_load_si128((__m128i*)_shuffle_16[m]) ) )); pex += popcnt32(m);
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} _op += 64;
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}
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}
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#else
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{ unsigned k = 0;
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uint_t *op,*p;
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for(op=out,i = 0; i < p4dn; i++,op += 64) { unsigned long long u = bb[i];
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#if 1 // faster
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while(u) op[ctz64(u)] += ex[k++]<<b, u &= u-1;
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#else
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p = op;
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#define OP(_i_) p[_i_] += ex[k++]<<b;
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while(u) {
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unsigned x = ctz64(u); u >>= x; p+=x;
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switch(u&0xf) {
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case 0: break; //0000
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case 1: OP(0); break; //0001
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case 2: OP(1); break; //0010
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case 3: OP(1); OP(0); break; //0011
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case 4: OP(2); break; //0100
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case 5: OP(2); OP(0); break; //0101
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case 6: OP(2); OP(1); break; //0110
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case 7: OP(2); OP(1); OP(0); break; //0111
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case 8: OP(3); break; //1000
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case 9: OP(3); OP(0); break; //1001
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case 10: OP(3); OP(1); break; //1010
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case 11: OP(3); OP(1); OP(0); break; //1011
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case 12: OP(3); OP(2); break; //1100
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case 13: OP(3); OP(2); OP(0); break; //1101
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case 14: OP(3); OP(2); OP(1); break; //1110
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case 15: OP(3); OP(2); OP(1); OP(0); break; //1111
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}
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u >>= 4;
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p += 4;
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}
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#endif
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}
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}
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#endif
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}
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#ifdef BITUNDD
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T2(BITUNDD, USIZE)(out, n, start);
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#endif
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return in;
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#endif
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}
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unsigned char *T2(P4DEC, USIZE)(unsigned char *__restrict in, unsigned n, uint_t *__restrict out P4DELTA(uint_t start) ) {
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unsigned b, bx = 0, i;
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if(!n) return in;
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b = *in++;
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if((b & 0xc0) == 0xc0) { // all items are equal
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b &= 0x3f;
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#if USIZE == 64
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b = b == 63?64:b; // use 64 instead of 63 (permis using only 6 bits to store b)
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#endif
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uint_t u = T2(ctou, USIZE)(in); if(b < USIZE) u = T2(BZHI, USIZE)(u,b);
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for(i=0; i < n; i++) out[i] = u;
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#ifdef BITUNDD
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T2(BITUNDD, USIZE)(out, n, start);
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#endif
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return in+(b+7)/8;
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} else if(likely(!(b & 0x40))) { // PFOR
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if(b & 0x80)
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bx = *in++;
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return T2(_P4DEC, USIZE)(in, n, out P4DELTA(start), b, bx);
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}
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else { // Variable byte
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#if USIZE > 8
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uint_t ex[P4D_MAX+64],*pex=ex;
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b &= 0x3f;
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bx = *in++; /*if(b && *in++ == 0x80) { uint_t u = T2(ctou, USIZE)(in); if(b < USIZE) u = T2(BZHI, USIZE)(u,b); int i; for(i = 0; i < n; i++) out[i] = u; in+=(b+7)/8; } else*/
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in = T2(BITUNPACK, USIZE)(in, n, out, b);
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in = T2(vbdec, USIZE)(in, bx, ex);
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#define ST(j) out[in[i+j]] |= ex[i+j] << b
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//#define ST(j) out[*ip++] |= (*pex++) << b;
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//unsigned char *ip;for(ip = in; ip != in + (bx & ~3); )
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for(i = 0; i != (bx & ~7); i+=8)
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{ ST(0);ST(1);ST(2);ST(3); ST(4);ST(5);ST(6);ST(7); }
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//for(;ip != in+bx; ) ST(0);
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for(;i != bx; i++) ST(0);
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in += bx;
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#ifdef BITUNDD
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T2(BITUNDD, USIZE)(out, n, start);
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#endif
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#undef ST
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#endif // USIZE > 8
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return in;
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}
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}
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#ifdef VSIZE
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#define CSIZE VSIZE
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#else
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#define CSIZE 128
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#endif
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size_t T2(P4NDEC, USIZE)(unsigned char *__restrict in, size_t n, uint_t *__restrict out) {
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unsigned char *ip = in;
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uint_t *op;
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if(!n) return 0;
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{
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#ifdef DELTA
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uint_t start;
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T2(vbxget, USIZE)(ip, start);
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*out++ = start;
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--n;
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#endif
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for(op = out; op != out+(n&~(CSIZE-1)); op += CSIZE) {
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unsigned b = *ip++, bx = 0, i; PREFETCH(ip+512,0);//ip = T2(P4DEC, USIZE)(ip, CSIZE, op P4DELTA(start));
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if((b & 0xc0) == 0xc0) {
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b &= 0x3f;
|
|
#if USIZE == 64
|
|
b = b == 63?64:b;
|
|
#endif
|
|
uint_t u = T2(ctou, USIZE)(ip); if(b < USIZE) u = T2(BZHI, USIZE)(u,b);
|
|
int i; for(i=0; i < CSIZE; i++) op[i] = u;
|
|
#ifdef BITUNDD
|
|
T2(BITUNDD, USIZE)(op, CSIZE, start);
|
|
#endif
|
|
ip += (b+7)/8;
|
|
} else if(likely(!(b & 0x40))) {
|
|
if(b & 0x80)
|
|
bx = *ip++;
|
|
ip = T2(_P4DEC, USIZE)(ip, CSIZE, op P4DELTA(start), b, bx);
|
|
}
|
|
#if USIZE > 8
|
|
else {
|
|
uint_t ex[P4D_MAX+64];
|
|
b &= 0x3f;
|
|
bx = *ip++; //f(*ip++ == 0x80 && b) { uint_t u = T2(ctou, USIZE)(ip); ip+=(b+7)/8; if(b < USIZE) u = T2(BZHI, USIZE)(u,b); int i; for(i=0; i < CSIZE; i++) op[i] = u; } else
|
|
ip = T2(BITUNPACK, USIZE)(ip, CSIZE, op, b);
|
|
ip = T2(vbdec, USIZE)(ip, bx, ex);
|
|
for(i = 0; i != (bx & ~7); i += 8) {
|
|
op[ip[i ]] |= ex[i ] << b;
|
|
op[ip[i+1]] |= ex[i+1] << b;
|
|
op[ip[i+2]] |= ex[i+2] << b;
|
|
op[ip[i+3]] |= ex[i+3] << b;
|
|
op[ip[i+4]] |= ex[i+4] << b;
|
|
op[ip[i+5]] |= ex[i+5] << b;
|
|
op[ip[i+6]] |= ex[i+6] << b;
|
|
op[ip[i+7]] |= ex[i+7] << b;
|
|
}
|
|
for(;i != bx; i++)
|
|
op[ip[i]] |= ex[i] << b;
|
|
ip += bx;
|
|
#ifdef BITUNDD
|
|
T2(BITUNDD, USIZE)(op, CSIZE, start);
|
|
#endif
|
|
}
|
|
#endif
|
|
P4DELTA_(start = op[CSIZE-1]);
|
|
}
|
|
return T2(P4NDECS, USIZE)(ip, n&(CSIZE-1), op P4DELTA(start)) - in;
|
|
}
|
|
}
|
|
|
|
#ifdef P4DECX
|
|
unsigned char *T2(p4decx, USIZE)(unsigned char *in, unsigned n, uint_t *__restrict out) {
|
|
unsigned b,i;
|
|
struct p4 p4;
|
|
|
|
p4ini(&p4, &in, n, &b);
|
|
|
|
if(unlikely(p4.isx)) {
|
|
#define ITX(k) out[i+k] = T2(p4getx, USIZE)(&p4, in, i+k, b);
|
|
for(i = 0; i != (n&(~3)); i += 4) { ITX(0); ITX(1); ITX(2); ITX(3); }
|
|
for( ; i != n; i++ ) ITX(0);
|
|
} else {
|
|
#define ITY(k) out[i+k] = T2(bitgetx, USIZE)(in, i+k, b);
|
|
for(i = 0; i != (n&(~3)); i += 4) { ITY(0); ITY(1); ITY(2); ITY(3); }
|
|
for( ; i != n; i++) ITY(0);
|
|
}
|
|
return in + PAD8(n*b);
|
|
}
|
|
|
|
unsigned char *T2(p4f1decx, USIZE)(unsigned char *in, unsigned n, uint_t *__restrict out, uint_t start) {
|
|
unsigned b,i;
|
|
struct p4 p4;
|
|
|
|
p4ini(&p4, &in, n, &b);
|
|
if(unlikely(p4.isx)) {
|
|
#define ITX(k) out[i+k] = T2(p4getx, USIZE)(&p4, in, (i+k), b)+start+i+k+1;
|
|
for(i = 0; i != (n&(~3)); i+=4) { ITX(0); ITX(1); ITX(2); ITX(3); }
|
|
for( ; i != n; i++) ITX(0);
|
|
} else {
|
|
#define ITY(k) out[i+k] = T2(bitgetx, USIZE)(in, (i+k), b)+start+i+k+1;
|
|
for(i = 0; i != (n&(~3)); i += 4) { ITY(0); ITY(1); ITY(2); ITY(3); }
|
|
for( ; i != n; i++) ITY(0);
|
|
}
|
|
return in + PAD8(n*b);
|
|
}
|
|
|
|
unsigned char *T2(p4fdecx, USIZE)(unsigned char *in, unsigned n, uint_t *__restrict out, uint_t start) {
|
|
unsigned b,i;
|
|
struct p4 p4;
|
|
p4ini(&p4, &in, n, &b);
|
|
|
|
if(unlikely(p4.isx)) {
|
|
#define ITX(k) out[i+k] = T2(p4getx, USIZE)(&p4, in, i+k, b)+start;
|
|
for(i = 0; i != (n&(~3)); i+=4) { ITX(0); ITX(1); ITX(2); ITX(3); }
|
|
for( ; i != n; i++) ITX(0);
|
|
} else {
|
|
#define ITY(k) out[i+k] = T2(bitgetx, USIZE)(in, (i+k), b)+start;
|
|
for(i = 0; i != (n&(~3)); i+=4) { ITY(0); ITY(1); ITY(2); ITY(3); }
|
|
for( ; i != n; i++) ITY(0);
|
|
}
|
|
return in + PAD8(n*b);
|
|
}
|
|
#endif
|
|
#endif
|