lydonchandra

//extern uint32_t* test_strb1_x64(uint32_t* wordPtr, uint32_t numWords);
//extern uint32_t* test_malloc3(uint32_t* wordPtr, uint32_t numWords);
//extern void test_malloc4();
//extern uint32_t* test_malloc5(uint32_t intToSet);


.private_extern	_test_strb1_x64
.globl	_test_strb1_x64
.align	2
_test_strb1_x64:

lydonchandra

//int _test_sum_loop(int array[], int num)
//  for(int idx=0; idx<num; idx++)
//      sum += array[idx]
//  return sum
//x0 <- array
//x1 <- num
.private_extern _test_sum_loop
.globl          _test_sum_loop
.align 2
_test_sum_loop:

lydonchandra

//TODO: use neon instructions
//void copy_raw_image3(GLubyte ** destImageBytesPtr, GLubyte *sourceImageBytes,
//                    size_t imageWidth, size_t imageHeight,
//                    size_t widthScaleFactor, size_t heightScaleFactor);
// x0 <- destImageBytes
// x1 <- sourceImageBytes
// x2 <- imageWidth
// x3 <- imageHeight
// x4 <- widthScaleFactor
// x5 <- heightScaleFactor

lydonchandra

//objective-c test file
//test.m
extern int neon_double_bytes_ld1( unsigned char * byteArray, unsigned char* sum );
+(void) test_asm {
    unsigned char input_array1[] = { 1, 3, 5, 7, 11, 13, 17, 19 };
    unsigned char sum;
    neon_double_bytes_ld1( input_array1, &sum );
    NSLog(@"sum=%d", sum);  //sum=152
    NSLog(@"input_array[0]=%d", input_array1[0] ); //input_array[0]=2
}

lydonchandra

//void v_copy_raw_image3_simd(GLubyte ** destImageBytesPtr, GLubyte *sourceImageBytes,
//                    size_t imageWidth, size_t imageHeight,
//                    size_t widthScaleFactor, size_t heightScaleFactor);
// x0 <- destImageBytes
// x1 <- sourceImageBytes
// x2 <- imageWidth
// x3 <- imageHeight
// x4 <- widthScaleFactor
// x5 <- heightScaleFactor
.private_extern _v_copy_raw_image3

lydonchandra

Test case:
    unsigned char inputRgb[] = { 0, 0, 0, 1, 1, 1, 2, 2, 2, 3, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 6, 7, 7, 7 };
    unsigned char *outputRgb;
    
    unsigned char inputRgba[] = {
        10,10,10,10, 11,11,11,11, 12,12,12,12, 13,13,13,13,  14,14,14,14, 15,15,15,15, 16,16,16,16, 17,17,17,17,     //32bytes
        0,0,0,0,     1,1,1,1,     2,2,2,2,     3,3,3,3,     4,4,4,4,      5,5,5,5,     6,6,6,6,     7,7,7,7,        //32bytes
    };

    unsigned char tblIndex[] = {

lydonchandra

<system.webServer>
    <rewrite>
            <!--
            Tile Rewrite Section
            -->
            <rules>
                <!-- If tile is already saved onto disk, serve it -->
                <rule name="Map Tile to TileStatic" stopProcessing="false">
                    <conditions logicalGrouping="MatchAny">
                        <add input="C:/xxx/Maps/Tile/{R:1}/{R:2}/{R:3}/{R:4}" matchType="IsFile" />

lydonchandra

//Emulate 8-bit multiplication using 16-bit multiplication, http://stackoverflow.com/a/8196824

__m128i _mm_mullo_epi8(__m128i a, __m128i b) {
    __m128i zero = _mm_setzero_si128();
    __m128i Alo = _mm_cvtepu8_epi16(a);	//pmovzxbw SSE4 -- packed mov zero extend byte to word 8-bit to 16bits
    __m128i Ahi = _mm_unpackhi_epi8(a, zero); // punpckhbw -- interleave upper 8 signed/unsigned 8-bit int in a with upper 8-bit signed/unsigned in b
    __m128i Blo = _mm_cvtepu8_epi16(b); //pmovzxbw
    __m128i Bhi = _mm_unpackhi_epi8(b, zero); // punpckhbw
    __m128i Clo = _mm_mullo_epi16(Alo, Blo); // pmullw
    __m128i Chi = _mm_mullo_epi16(Ahi, Bhi); // pmullw

lydonchandra

perl -nle'print if m{^\S+\s[0-9]*[1-8]\s}' 20news-bydate-train-stanford-classifier.txt >  20news-bydate-devtrain-stanford-classifier.txt

lydonchandra

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;

namespace ConsoleApplication5
{
    class Program