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AVXMatrixAbsOperations.pas
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// ###################################################################
// #### This file is part of the mathematics library project, and is
// #### offered under the licence agreement described on
// #### http://www.mrsoft.org/
// ####
// #### Copyright:(c) 2018, Michael R. . All rights reserved.
// ####
// #### Unless required by applicable law or agreed to in writing, software
// #### distributed under the License is distributed on an "AS IS" BASIS,
// #### WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// #### See the License for the specific language governing permissions and
// #### limitations under the License.
// ###################################################################
unit AVXMatrixAbsOperations;
// #####################################################
// #### Abs opertaion applied to every element in a matrix
// #####################################################
interface
{$I 'mrMath_CPU.inc'}
{$IFNDEF x64}
procedure AVXMatrixAbsAligned(Dest : PDouble; const LineWidth, Width, Height : NativeInt); {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
procedure AVXMatrixAbsUnAligned(Dest : PDouble; const LineWidth, Width, Height : NativeInt); {$IFDEF FPC} assembler; {$ELSE} register; {$ENDIF}
{$ENDIF}
implementation
{$IFNDEF x64}
const cLocSignBits4 : Array[0..3] of int64 = ($7FFFFFFFFFFFFFFF, $7FFFFFFFFFFFFFFF, $7FFFFFFFFFFFFFFF, $7FFFFFFFFFFFFFFF);
procedure AVXMatrixAbsAligned(Dest : PDouble; const LineWidth, Width, Height : NativeInt);
// eax = dest; edx = LineWidth, ecx = Width
asm
push edi;
push ebx;
imul ecx, -8;
// helper registers for the dest pointer
sub eax, ecx;
lea ebx, cLocSignBits4;
{$IFDEF AVXSUP}vmovupd ymm0, [ebx]; {$ELSE}db $C5,$FD,$10,$03;{$ENDIF}
// for y := 0 to height - 1:
mov ebx, Height;
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, ecx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// prefetch data...
//prefetchw [eax + rax];
// Abs:
{$IFDEF AVXSUP}vmovapd ymm1, [eax + edi - 128]; {$ELSE}db $C5,$FD,$28,$4C,$38,$80;{$ENDIF}
{$IFDEF AVXSUP}vAndpd ymm1, ymm1, ymm0; {$ELSE}db $C5,$F5,$54,$C8;{$ENDIF}
{$IFDEF AVXSUP}vmovapd [eax + edi - 128], ymm1; {$ELSE}db $C5,$FD,$29,$4C,$38,$80;{$ENDIF}
{$IFDEF AVXSUP}vmovapd ymm2, [eax + edi - 96]; {$ELSE}db $C5,$FD,$28,$54,$38,$A0;{$ENDIF}
{$IFDEF AVXSUP}vandpd ymm2, ymm2, ymm0; {$ELSE}db $C5,$ED,$54,$D0;{$ENDIF}
{$IFDEF AVXSUP}vmovapd [eax + edi - 96], ymm2; {$ELSE}db $C5,$FD,$29,$54,$38,$A0;{$ENDIF}
{$IFDEF AVXSUP}vmovapd ymm3, [eax + edi - 64]; {$ELSE}db $C5,$FD,$28,$5C,$38,$C0;{$ENDIF}
{$IFDEF AVXSUP}vandpd ymm3, ymm3, ymm0; {$ELSE}db $C5,$E5,$54,$D8;{$ENDIF}
{$IFDEF AVXSUP}vmovapd [eax + edi - 64], ymm3; {$ELSE}db $C5,$FD,$29,$5C,$38,$C0;{$ENDIF}
{$IFDEF AVXSUP}vmovapd ymm4, [eax + edi - 32]; {$ELSE}db $C5,$FD,$28,$64,$38,$E0;{$ENDIF}
{$IFDEF AVXSUP}vandpd ymm4, ymm4, ymm0; {$ELSE}db $C5,$DD,$54,$E0;{$ENDIF}
{$IFDEF AVXSUP}vmovapd [eax + edi - 32], ymm4; {$ELSE}db $C5,$FD,$29,$64,$38,$E0;{$ENDIF}
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
add edi, 16;
jg @loopEnd2;
{$IFDEF AVXSUP}vmovapd xmm1, [eax + edi - 16]; {$ELSE}db $C5,$F9,$28,$4C,$38,$F0;{$ENDIF}
{$IFDEF AVXSUP}vandpd xmm1, xmm1, xmm0; {$ELSE}db $C5,$F1,$54,$C8;{$ENDIF}
{$IFDEF AVXSUP}vmovapd [eax + edi - 16], xmm1; {$ELSE}db $C5,$F9,$29,$4C,$38,$F0;{$ENDIF}
jmp @addforxloop2;
@loopEnd2:
sub edi, 16;
jz @nextLine;
{$IFDEF AVXSUP}vmovsd xmm1, [eax + edi]; {$ELSE}db $C5,$FB,$10,$0C,$38;{$ENDIF}
{$IFDEF AVXSUP}vandpd xmm1, xmm1, xmm0; {$ELSE}db $C5,$F1,$54,$C8;{$ENDIF}
{$IFDEF AVXSUP}vmovsd [eax + edi], xmm1; {$ELSE}db $C5,$FB,$11,$0C,$38;{$ENDIF}
@nextLine:
// next line:
add eax, edx;
// loop y end
dec ebx;
jnz @@addforyloop;
{$IFDEF AVXSUP}vzeroupper; {$ELSE}db $C5,$F8,$77;{$ENDIF}
pop ebx;
pop edi;
end;
procedure AVXMatrixAbsUnAligned(Dest : PDouble; const LineWidth, Width, Height : NativeInt);
// eax = dest; edx = LineWidth, ecx = Width
asm
push edi;
push ebx;
imul ecx, -8;
// helper registers for the dest pointer
sub eax, ecx;
lea ebx, cLocSignBits4;
{$IFDEF AVXSUP}vmovupd ymm0, [ebx]; {$ELSE}db $C5,$FD,$10,$03;{$ENDIF}
// for y := 0 to height - 1:
mov ebx, Height;
@@addforyloop:
// for x := 0 to w - 1;
// prepare for reverse loop
mov edi, ecx;
@addforxloop:
add edi, 128;
jg @loopEnd;
// prefetch data...
//prefetchw [eax + rax];
// Abs:
{$IFDEF AVXSUP}vmovupd ymm1, [eax + edi - 128]; {$ELSE}db $C5,$FD,$10,$4C,$38,$80;{$ENDIF}
{$IFDEF AVXSUP}vAndpd ymm1, ymm1, ymm0; {$ELSE}db $C5,$F5,$54,$C8;{$ENDIF}
{$IFDEF AVXSUP}vmovupd [eax + edi - 128], ymm1; {$ELSE}db $C5,$FD,$11,$4C,$38,$80;{$ENDIF}
{$IFDEF AVXSUP}vmovupd ymm2, [eax + edi - 96]; {$ELSE}db $C5,$FD,$10,$54,$38,$A0;{$ENDIF}
{$IFDEF AVXSUP}vandpd ymm2, ymm2, ymm0; {$ELSE}db $C5,$ED,$54,$D0;{$ENDIF}
{$IFDEF AVXSUP}vmovupd [eax + edi - 96], ymm2; {$ELSE}db $C5,$FD,$11,$54,$38,$A0;{$ENDIF}
{$IFDEF AVXSUP}vmovupd ymm3, [eax + edi - 64]; {$ELSE}db $C5,$FD,$10,$5C,$38,$C0;{$ENDIF}
{$IFDEF AVXSUP}vandpd ymm3, ymm3, ymm0; {$ELSE}db $C5,$E5,$54,$D8;{$ENDIF}
{$IFDEF AVXSUP}vmovupd [eax + edi - 64], ymm3; {$ELSE}db $C5,$FD,$11,$5C,$38,$C0;{$ENDIF}
{$IFDEF AVXSUP}vmovupd ymm4, [eax + edi - 32]; {$ELSE}db $C5,$FD,$10,$64,$38,$E0;{$ENDIF}
{$IFDEF AVXSUP}vandpd ymm4, ymm4, ymm0; {$ELSE}db $C5,$DD,$54,$E0;{$ENDIF}
{$IFDEF AVXSUP}vmovupd [eax + edi - 32], ymm4; {$ELSE}db $C5,$FD,$11,$64,$38,$E0;{$ENDIF}
jmp @addforxloop
@loopEnd:
sub edi, 128;
jz @nextLine;
@addforxloop2:
add edi, 16;
jg @loopEnd2;
{$IFDEF AVXSUP}vmovupd xmm1, [eax + edi - 16]; {$ELSE}db $C5,$F9,$10,$4C,$38,$F0;{$ENDIF}
{$IFDEF AVXSUP}vandpd xmm1, xmm1, xmm0; {$ELSE}db $C5,$F1,$54,$C8;{$ENDIF}
{$IFDEF AVXSUP}vmovupd [eax + edi - 16], xmm1; {$ELSE}db $C5,$F9,$11,$4C,$38,$F0;{$ENDIF}
jmp @addforxloop2;
@loopEnd2:
sub edi, 16;
jz @nextLine;
{$IFDEF AVXSUP}vmovsd xmm1, [eax + edi]; {$ELSE}db $C5,$FB,$10,$0C,$38;{$ENDIF}
{$IFDEF AVXSUP}vandpd xmm1, xmm1, xmm0; {$ELSE}db $C5,$F1,$54,$C8;{$ENDIF}
{$IFDEF AVXSUP}vmovsd [eax + edi], xmm1; {$ELSE}db $C5,$FB,$11,$0C,$38;{$ENDIF}
@nextLine:
// next line:
add eax, edx;
// loop y end
dec ebx;
jnz @@addforyloop;
{$IFDEF AVXSUP}vzeroupper; {$ELSE}db $C5,$F8,$77;{$ENDIF}
pop ebx;
pop edi;
end;
{$ENDIF}
end.