225 lines
6.1 KiB
C
225 lines
6.1 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#ifdef _MSC_VER
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#define stop() __debugbreak()
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#include <windows.h>
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#define int64 __int64
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#pragma warning(disable:4127)
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#define get_milliseconds GetTickCount
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#else
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#define stop() __builtin_trap()
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#define int64 long long
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typedef unsigned int U32;
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typedef unsigned long long U64;
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#include <time.h>
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static int get_milliseconds()
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{
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struct timespec ts;
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clock_gettime( CLOCK_MONOTONIC, &ts );
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return (U32) ( ( ((U64)(U32)ts.tv_sec) * 1000LL ) + (U64)(((U32)ts.tv_nsec+500000)/1000000) );
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}
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#endif
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#if defined(TIME_SIMD)
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// default for most platforms
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#elif defined(TIME_SCALAR)
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#define STBIR_NO_SIMD
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#else
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#error You must define TIME_SIMD or TIME_SCALAR when compiling this file.
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#endif
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#define STBIR_PROFILE
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#define STB_IMAGE_RESIZE_IMPLEMENTATION
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#define STBIR__V_FIRST_INFO_BUFFER v_info
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#include "stb_image_resize2.h" // new one!
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#if defined(TIME_SIMD) && !defined(STBIR_SIMD)
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#error Timing SIMD, but scalar was ON!
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#endif
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#if defined(TIME_SCALAR) && defined(STBIR_SIMD)
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#error Timing scalar, but SIMD was ON!
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#endif
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#define HEADER 32
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static int file_write( const char *filename, void * buffer, size_t size )
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{
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FILE * f = fopen( filename, "wb" );
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if ( f == 0 ) return 0;
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if ( fwrite( buffer, 1, size, f) != size ) return 0;
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fclose(f);
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return 1;
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}
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int64 nresize( void * o, int ox, int oy, int op, void * i, int ix, int iy, int ip, int buf, int type, int edg, int flt )
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{
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STBIR_RESIZE resize;
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int t;
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int64 b;
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stbir_resize_init( &resize, i, ix, iy, ip, o, ox, oy, op, buf, type );
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stbir_set_edgemodes( &resize, edg, edg );
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stbir_set_filters( &resize, flt, flt );
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stbir_build_samplers_with_splits( &resize, 1 );
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b = 0x7fffffffffffffffULL;
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for( t = 0 ; t < 16 ; t++ )
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{
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STBIR_PROFILE_INFO profile;
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int64 v;
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if(!stbir_resize_extended( &resize ) )
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stop();
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stbir_resize_extended_profile_info( &profile, &resize );
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v = profile.clocks[1]+profile.clocks[2];
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if ( v < b )
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{
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b = v;
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t = 0;
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}
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}
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stbir_free_samplers( &resize );
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return b;
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}
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#define INSIZES 5
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#define TYPESCOUNT 5
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#define NUM 64
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static const int sizes[INSIZES]={63,126,252,520,772};
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static const int types[TYPESCOUNT]={STBIR_1CHANNEL,STBIR_2CHANNEL,STBIR_RGB,STBIR_4CHANNEL,STBIR_RGBA};
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static const int effective[TYPESCOUNT]={1,2,3,4,7};
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int main( int argc, char ** argv )
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{
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unsigned char * input;
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unsigned char * output;
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int dimensionx, dimensiony;
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int scalex, scaley;
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int totalms;
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int timing_count;
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int ir;
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int * file;
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int * ts;
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int64 totalcycles;
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if ( argc != 6 )
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{
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printf("command: dotimings x_samps y_samps x_scale y_scale outfilename\n");
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exit(1);
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}
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input = malloc( 4*1200*1200 );
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memset( input, 0x80, 4*1200*1200 );
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output = malloc( 4*10000*10000ULL );
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dimensionx = atoi( argv[1] );
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dimensiony = atoi( argv[2] );
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scalex = atoi( argv[3] );
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scaley = atoi( argv[4] );
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timing_count = dimensionx * dimensiony * INSIZES * TYPESCOUNT;
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file = malloc( sizeof(int) * ( 2 * timing_count + HEADER ) );
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ts = file + HEADER;
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totalms = get_milliseconds();
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totalcycles = STBIR_PROFILE_FUNC();
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for( ir = 0 ; ir < INSIZES ; ir++ )
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{
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int ix, iy, ty;
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ix = iy = sizes[ir];
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for( ty = 0 ; ty < TYPESCOUNT ; ty++ )
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{
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int h, hh;
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h = 1;
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for( hh = 0 ; hh < dimensiony; hh++ )
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{
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int ww, w = 1;
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for( ww = 0 ; ww < dimensionx; ww++ )
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{
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int64 VF, HF;
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int good;
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v_info.control_v_first = 2; // vertical first
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VF = nresize( output, w, h, (w*4*1)&~3, input, ix, iy, ix*4*1, types[ty], STBIR_TYPE_UINT8, STBIR_EDGE_CLAMP, STBIR_FILTER_MITCHELL );
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v_info.control_v_first = 1; // horizonal first
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HF = nresize( output, w, h, (w*4*1)&~3, input, ix, iy, ix*4*1, types[ty], STBIR_TYPE_UINT8, STBIR_EDGE_CLAMP, STBIR_FILTER_MITCHELL );
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good = ( ((HF<=VF) && (!v_info.v_first)) || ((VF<=HF) && (v_info.v_first)));
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// printf("\r%d,%d, %d,%d, %d, %I64d,%I64d, // Good: %c(%c-%d) CompEst: %.1f %.1f\n", ix, iy, w, h, ty, VF, HF, good?'y':'n', v_info.v_first?'v':'h', v_info.v_resize_classification, v_info.v_cost,v_info.h_cost );
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ts[0] = (int)VF;
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ts[1] = (int)HF;
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ts += 2;
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w += scalex;
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}
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printf(".");
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h += scaley;
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}
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}
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}
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totalms = get_milliseconds() - totalms;
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totalcycles = STBIR_PROFILE_FUNC() - totalcycles;
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printf("\n");
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file[0] = 'VFT1';
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#if defined(_x86_64) || defined( __x86_64__ ) || defined( _M_X64 ) || defined(__x86_64) || defined(__SSE2__) || defined( _M_IX86_FP ) || defined(__i386) || defined( __i386__ ) || defined( _M_IX86 ) || defined( _X86_ )
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file[1] = 1; // x64
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#elif defined( _M_AMD64 ) || defined( __aarch64__ ) || defined( __arm64__ ) || defined(__ARM_NEON__) || defined(__ARM_NEON) || defined(__arm__) || defined( _M_ARM )
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file[1] = 2; // arm
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#else
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file[1] = 99; // who knows???
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#endif
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#ifdef STBIR_SIMD8
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file[2] = 2; // simd-8
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#elif defined( STBIR_SIMD )
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file[2] = 1; // simd-4
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#else
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file[2] = 0; // nosimd
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#endif
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file[3] = dimensionx; // dimx
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file[4] = dimensiony; // dimy
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file[5] = TYPESCOUNT; // channel types
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file[ 6] = types[0]; file[7] = types[1]; file[8] = types[2]; file[9] = types[3]; file[10] = types[4]; // buffer_type
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file[11] = effective[0]; file[12] = effective[1]; file[13] = effective[2]; file[14] = effective[3]; file[15] = effective[4]; // effective channels
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file[16] = INSIZES; // resizes
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file[17] = sizes[0]; file[18] = sizes[0]; // input sizes (w x h)
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file[19] = sizes[1]; file[20] = sizes[1];
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file[21] = sizes[2]; file[22] = sizes[2];
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file[23] = sizes[3]; file[24] = sizes[3];
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file[25] = sizes[4]; file[26] = sizes[4];
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file[27] = scalex; file[28] = scaley; // scale the dimx and dimy amount ( for(i=0;i<dimx) outputx = 1 + i*scalex; )
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file[29] = totalms;
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((int64*)(file+30))[0] = totalcycles;
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if ( !file_write( argv[5], file, sizeof(int) * ( 2 * timing_count + HEADER ) ) )
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printf( "Error writing file: %s\n", argv[5] );
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else
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printf( "Successfully wrote timing file: %s\n", argv[5] );
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return 0;
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}
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