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igzip: Add avx2 optimized adler32 checksum
Change-Id: I019a38cf98836e3e6c7215a6914b85abb9399e33 Signed-off-by: Greg Tucker <greg.b.tucker@intel.com>
This commit is contained in:
Greg Tucker
Xiaodong Liu
parent
f4a5b303e2
commit
3025e83b91
@ -49,6 +49,7 @@ lsrc_x86_64 += \
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igzip/igzip_icf_finish.asm \
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igzip/rfc1951_lookup.asm \
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igzip/crc32_gzip.asm igzip/detect_repeated_char.asm \
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igzip/adler32_avx2_4.asm \
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igzip/igzip_multibinary.asm \
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igzip/igzip_update_histogram_01.asm \
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igzip/igzip_update_histogram_04.asm \
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292
igzip/adler32_avx2_4.asm
Normal file
292
igzip/adler32_avx2_4.asm
Normal file
@ -0,0 +1,292 @@
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; Copyright(c) 2011-2017 Intel Corporation All rights reserved.
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;
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; Redistribution and use in source and binary forms, with or without
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; modification, are permitted provided that the following conditions
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; are met:
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; * Redistributions of source code must retain the above copyright
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; notice, this list of conditions and the following disclaimer.
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; * Redistributions in binary form must reproduce the above copyright
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; notice, this list of conditions and the following disclaimer in
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; the documentation and/or other materials provided with the
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; distribution.
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; * Neither the name of Intel Corporation nor the names of its
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; contributors may be used to endorse or promote products derived
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; from this software without specific prior written permission.
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;
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; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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; LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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; A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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; OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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; SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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; LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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; DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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; (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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; OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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; uint32_t adler32_avx2(uint32_t init, const unsigned char *buf, uint64_t len)
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%define LIMIT 5552
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%define BASE 0xFFF1 ; 65521
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%define CHUNKSIZE 16
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%define CHUNKSIZE_M1 (CHUNKSIZE-1)
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%include "reg_sizes.asm"
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default rel
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[bits 64]
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; need to keep free: eax, ecx, edx
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%ifidn __OUTPUT_FORMAT__, elf64
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%define arg1 rdi
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%define arg2 rsi
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%define arg3 rdx
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%define init_d edi
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%define data r9
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%define size r10
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%define s r11
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%define a_d r12d
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%define b_d r8d
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%define end r13
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%define func(x) x:
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%macro FUNC_SAVE 0
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push r12
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push r13
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%endmacro
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%macro FUNC_RESTORE 0
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pop r13
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pop r12
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%endmacro
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%endif
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%ifidn __OUTPUT_FORMAT__, win64
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%define arg1 rcx
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%define arg2 rdx
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%define arg3 r8
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%define init_d r12d
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%define data r9
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%define size r10
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%define s r11
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%define a_d esi
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%define b_d edi
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%define end r13
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%define stack_size 2*16 + 5*8 ; must be an odd multiple of 8
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%define arg(x) [rsp + stack_size + PS + PS*x]
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%define func(x) proc_frame x
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%macro FUNC_SAVE 0
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alloc_stack stack_size
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vmovdqa [rsp + 0*16], xmm6
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vmovdqa [rsp + 1*16], xmm7
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save_reg rdi, 2*16 + 0*8
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save_reg rsi, 2*16 + 1*8
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save_reg r12, 2*16 + 2*8
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save_reg r13, 2*16 + 3*8
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end_prolog
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mov init_d, ecx ; initalize init_d from arg1 to keep ecx free
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%endmacro
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%macro FUNC_RESTORE 0
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vmovdqa xmm6, [rsp + 0*16]
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vmovdqa xmm7, [rsp + 1*16]
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mov rdi, [rsp + 2*16 + 0*8]
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mov rsi, [rsp + 2*16 + 1*8]
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mov r12, [rsp + 2*16 + 2*8]
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mov r13, [rsp + 2*16 + 3*8]
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add rsp, stack_size
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%endmacro
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%endif
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%define ya ymm0
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%define yb ymm1
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%define ydata0 ymm2
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%define ydata1 ymm3
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%define ysa ymm4
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%define ydata ysa
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%define ytmp0 ydata0
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%define ytmp1 ydata1
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%define ytmp2 ymm5
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%define xa xmm0
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%define xb xmm1
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%define xtmp0 xmm2
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%define xtmp1 xmm3
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%define xsa xmm4
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%define xtmp2 xmm5
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%define yshuf0 ymm6
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%define yshuf1 ymm7
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global adler32_avx2_4:function
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func(adler32_avx2_4)
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FUNC_SAVE
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vmovdqa yshuf0, [SHUF0]
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vmovdqa yshuf1, [SHUF1]
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mov data, arg2
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mov size, arg3
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mov b_d, init_d
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shr b_d, 16
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and init_d, 0xFFFF
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cmp size, 32
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jb .lt64
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vmovd xa, init_d
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vpxor yb, yb, yb
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.sloop1:
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mov s, LIMIT
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cmp s, size
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cmova s, size ; s = min(size, LIMIT)
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lea end, [data + s - CHUNKSIZE_M1]
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cmp data, end
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jae .skip_loop_1a
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align 32
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.sloop1a:
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; do CHUNKSIZE adds
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vbroadcastf128 ydata, [data]
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add data, CHUNKSIZE
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vpshufb ydata0, ydata, yshuf0
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vpaddd ya, ya, ydata0
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vpaddd yb, yb, ya
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vpshufb ydata1, ydata, yshuf1
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vpaddd ya, ya, ydata1
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vpaddd yb, yb, ya
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cmp data, end
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jb .sloop1a
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.skip_loop_1a:
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add end, CHUNKSIZE_M1
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test s, CHUNKSIZE_M1
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jnz .do_final
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; either we're done, or we just did LIMIT
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sub size, s
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; reduce
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vpslld yb, 3 ; b is scaled by 8
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vpmulld ysa, ya, [A_SCALE] ; scaled a
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; compute horizontal sums of ya, yb, ysa
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vextracti128 xtmp0, ya, 1
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vextracti128 xtmp1, yb, 1
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vextracti128 xtmp2, ysa, 1
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vpaddd xa, xa, xtmp0
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vpaddd xb, xb, xtmp1
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vpaddd xsa, xsa, xtmp2
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vphaddd xa, xa, xa
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vphaddd xb, xb, xb
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vphaddd xsa, xsa, xsa
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vphaddd xa, xa, xa
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vphaddd xb, xb, xb
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vphaddd xsa, xsa, xsa
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vmovd eax, xa
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xor edx, edx
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mov ecx, BASE
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div ecx ; divide edx:eax by ecx, quot->eax, rem->edx
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mov a_d, edx
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vpsubd xb, xb, xsa
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vmovd eax, xb
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add eax, b_d
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xor edx, edx
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mov ecx, BASE
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div ecx ; divide edx:eax by ecx, quot->eax, rem->edx
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mov b_d, edx
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test size, size
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jz .finish
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; continue loop
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vmovd xa, a_d
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vpxor yb, yb
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jmp .sloop1
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.finish:
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mov eax, b_d
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shl eax, 16
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or eax, a_d
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jmp .end
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.lt64:
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mov a_d, init_d
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lea end, [data + size]
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test size, size
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jnz .final_loop
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jmp .zero_size
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; handle remaining 1...15 bytes
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.do_final:
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; reduce
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vpslld yb, 3 ; b is scaled by 8
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vpmulld ysa, ya, [A_SCALE] ; scaled a
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vextracti128 xtmp0, ya, 1
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vextracti128 xtmp1, yb, 1
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vextracti128 xtmp2, ysa, 1
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vpaddd xa, xa, xtmp0
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vpaddd xb, xb, xtmp1
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vpaddd xsa, xsa, xtmp2
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vphaddd xa, xa, xa
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vphaddd xb, xb, xb
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vphaddd xsa, xsa, xsa
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vphaddd xa, xa, xa
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vphaddd xb, xb, xb
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vphaddd xsa, xsa, xsa
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vpsubd xb, xb, xsa
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vmovd a_d, xa
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vmovd eax, xb
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add b_d, eax
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align 32
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.final_loop:
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movzx eax, byte[data]
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add a_d, eax
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inc data
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add b_d, a_d
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cmp data, end
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jb .final_loop
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.zero_size:
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mov eax, a_d
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xor edx, edx
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mov ecx, BASE
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div ecx ; divide edx:eax by ecx, quot->eax, rem->edx
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mov a_d, edx
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mov eax, b_d
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xor edx, edx
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mov ecx, BASE
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div ecx ; divide edx:eax by ecx, quot->eax, rem->edx
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shl edx, 16
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or edx, a_d
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mov eax, edx
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.end:
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FUNC_RESTORE
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ret
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endproc_frame
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section .data
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align 32
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A_SCALE:
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dq 0x0000000100000000, 0x0000000300000002
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dq 0x0000000500000004, 0x0000000700000006
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SHUF0:
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dq 0xFFFFFF01FFFFFF00, 0xFFFFFF03FFFFFF02
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dq 0xFFFFFF05FFFFFF04, 0xFFFFFF07FFFFFF06
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SHUF1:
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dq 0xFFFFFF09FFFFFF08, 0xFFFFFF0BFFFFFF0A
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dq 0xFFFFFF0DFFFFFF0C, 0xFFFFFF0FFFFFFF0E
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@ -114,10 +114,6 @@ uint32_t adler32_base(uint32_t adler32, uint8_t * start, uint32_t length)
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A = adler32 & 0xffff;
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B = adler32 >> 16;
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/* Internally the checksum is being stored as B | (A-1) so crc and
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* addler have same init value */
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A += 1;
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while (length > MAX_ADLER_BUF) {
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end = next + MAX_ADLER_BUF;
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for (; next < end; next++) {
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@ -136,8 +132,6 @@ uint32_t adler32_base(uint32_t adler32, uint8_t * start, uint32_t length)
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B += A;
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}
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A -= 1;
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A = A % ADLER_MOD;
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B = B % ADLER_MOD;
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@ -127,6 +127,23 @@ struct slver isal_deflate_set_hufftables_slver = { 0x008b, 0x01, 0x00 };
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/*****************************************************************/
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// isal_adler32_bam1 - adler with (B | A minus 1) storage
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uint32_t isal_adler32_bam1(uint32_t adler32, const unsigned char *start, uint64_t length)
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{
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uint64_t a;
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/* Internally the checksum is being stored as B | (A-1) so crc and
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* addler have same init value */
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a = adler32 & 0xffff;
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a = (a == ADLER_MOD - 1) ? 0 : a + 1;
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adler32 = isal_adler32((adler32 & 0xffff0000) | a, start, length);
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a = (adler32 & 0xffff);
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a = (a == 0) ? ADLER_MOD - 1 : a - 1;
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return (adler32 & 0xffff0000) | a;
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}
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static void update_checksum(struct isal_zstream *stream, uint8_t * start_in, uint64_t length)
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{
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struct isal_zstate *state = &stream->internal_state;
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@ -137,7 +154,7 @@ static void update_checksum(struct isal_zstream *stream, uint8_t * start_in, uin
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break;
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case IGZIP_ZLIB:
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case IGZIP_ZLIB_NO_HDR:
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state->crc = isal_adler32(state->crc, start_in, length);
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state->crc = isal_adler32_bam1(state->crc, start_in, length);
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break;
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}
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}
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@ -8,5 +8,6 @@
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uint32_t crc32_gzip(uint32_t init_crc, const unsigned char *buf, uint64_t len);
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uint32_t isal_adler32(uint32_t init_crc, const unsigned char *buf, uint64_t len);
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uint32_t isal_adler32_bam1(uint32_t init_crc, const unsigned char *buf, uint64_t len);
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#endif
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@ -107,7 +107,7 @@ static void update_checksum(struct inflate_state *state, uint8_t * start_in, uin
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break;
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case ISAL_ZLIB:
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case ISAL_ZLIB_NO_HDR:
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state->crc = isal_adler32(state->crc, start_in, length);
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state->crc = isal_adler32_bam1(state->crc, start_in, length);
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break;
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}
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}
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@ -68,6 +68,7 @@ extern crc32_gzip_base
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extern crc32_gzip_01
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extern adler32_base
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extern adler32_avx2_4
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section .text
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@ -98,4 +99,4 @@ mbin_interface crc32_gzip
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mbin_dispatch_init5 crc32_gzip, crc32_gzip_base, crc32_gzip_base, crc32_gzip_01, crc32_gzip_01
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mbin_interface isal_adler32
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mbin_dispatch_init5 isal_adler32, adler32_base, adler32_base, adler32_base, adler32_base
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mbin_dispatch_init5 isal_adler32, adler32_base, adler32_base, adler32_base, adler32_avx2_4
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