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275 lines
7.4 KiB
275 lines
7.4 KiB
#include <stdio.h>
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#include <stdlib.h>
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#include <windows.h>
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#include "zlib.h"
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void MyDoMinus64(LARGE_INTEGER *R,LARGE_INTEGER A,LARGE_INTEGER B)
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{
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R->HighPart = A.HighPart - B.HighPart;
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if (A.LowPart >= B.LowPart)
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R->LowPart = A.LowPart - B.LowPart;
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else
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{
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R->LowPart = A.LowPart - B.LowPart;
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R->HighPart --;
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}
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}
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#ifdef _M_X64
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// see http://msdn2.microsoft.com/library/twchhe95(en-us,vs.80).aspx for __rdtsc
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unsigned __int64 __rdtsc(void);
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void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64)
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{
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// printf("rdtsc = %I64x\n",__rdtsc());
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pbeginTime64->QuadPart=__rdtsc();
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}
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LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf)
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{
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LARGE_INTEGER LIres;
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unsigned _int64 res=__rdtsc()-((unsigned _int64)(beginTime64.QuadPart));
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LIres.QuadPart=res;
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// printf("rdtsc = %I64x\n",__rdtsc());
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return LIres;
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}
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#else
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#ifdef _M_IX86
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void myGetRDTSC32(LARGE_INTEGER * pbeginTime64)
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{
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DWORD dwEdx,dwEax;
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_asm
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{
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rdtsc
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mov dwEax,eax
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mov dwEdx,edx
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}
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pbeginTime64->LowPart=dwEax;
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pbeginTime64->HighPart=dwEdx;
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}
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void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64)
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{
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myGetRDTSC32(pbeginTime64);
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}
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LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf)
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{
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LARGE_INTEGER LIres,endTime64;
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myGetRDTSC32(&endTime64);
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LIres.LowPart=LIres.HighPart=0;
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MyDoMinus64(&LIres,endTime64,beginTime64);
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return LIres;
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}
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#else
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void myGetRDTSC32(LARGE_INTEGER * pbeginTime64)
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{
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}
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void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64)
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{
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}
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LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf)
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{
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LARGE_INTEGER lr;
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lr.QuadPart=0;
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return lr;
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}
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#endif
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#endif
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void BeginCountPerfCounter(LARGE_INTEGER * pbeginTime64,BOOL fComputeTimeQueryPerf)
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{
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if ((!fComputeTimeQueryPerf) || (!QueryPerformanceCounter(pbeginTime64)))
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{
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pbeginTime64->LowPart = GetTickCount();
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pbeginTime64->HighPart = 0;
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}
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}
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DWORD GetMsecSincePerfCounter(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf)
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{
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LARGE_INTEGER endTime64,ticksPerSecond,ticks;
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DWORDLONG ticksShifted,tickSecShifted;
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DWORD dwLog=16+0;
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DWORD dwRet;
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if ((!fComputeTimeQueryPerf) || (!QueryPerformanceCounter(&endTime64)))
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dwRet = (GetTickCount() - beginTime64.LowPart)*1;
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else
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{
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MyDoMinus64(&ticks,endTime64,beginTime64);
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QueryPerformanceFrequency(&ticksPerSecond);
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{
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ticksShifted = Int64ShrlMod32(*(DWORDLONG*)&ticks,dwLog);
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tickSecShifted = Int64ShrlMod32(*(DWORDLONG*)&ticksPerSecond,dwLog);
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}
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dwRet = (DWORD)((((DWORD)ticksShifted)*1000)/(DWORD)(tickSecShifted));
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dwRet *=1;
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}
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return dwRet;
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}
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int ReadFileMemory(const char* filename,long* plFileSize,void** pFilePtr)
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{
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FILE* stream;
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void* ptr;
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int retVal=1;
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stream=fopen(filename, "rb");
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if (stream==NULL)
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return 0;
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fseek(stream,0,SEEK_END);
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*plFileSize=ftell(stream);
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fseek(stream,0,SEEK_SET);
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ptr=malloc((*plFileSize)+1);
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if (ptr==NULL)
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retVal=0;
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else
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{
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if (fread(ptr, 1, *plFileSize,stream) != (*plFileSize))
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retVal=0;
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}
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fclose(stream);
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*pFilePtr=ptr;
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return retVal;
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}
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int main(int argc, char *argv[])
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{
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int BlockSizeCompress=0x8000;
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int BlockSizeUncompress=0x8000;
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int cprLevel=Z_DEFAULT_COMPRESSION ;
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long lFileSize;
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unsigned char* FilePtr;
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long lBufferSizeCpr;
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long lBufferSizeUncpr;
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long lCompressedSize=0;
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unsigned char* CprPtr;
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unsigned char* UncprPtr;
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long lSizeCpr,lSizeUncpr;
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DWORD dwGetTick,dwMsecQP;
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LARGE_INTEGER li_qp,li_rdtsc,dwResRdtsc;
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if (argc<=1)
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{
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printf("run TestZlib <File> [BlockSizeCompress] [BlockSizeUncompress] [compres. level]\n");
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return 0;
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}
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if (ReadFileMemory(argv[1],&lFileSize,&FilePtr)==0)
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{
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printf("error reading %s\n",argv[1]);
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return 1;
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}
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else printf("file %s read, %u bytes\n",argv[1],lFileSize);
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if (argc>=3)
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BlockSizeCompress=atol(argv[2]);
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if (argc>=4)
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BlockSizeUncompress=atol(argv[3]);
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if (argc>=5)
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cprLevel=(int)atol(argv[4]);
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lBufferSizeCpr = lFileSize + (lFileSize/0x10) + 0x200;
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lBufferSizeUncpr = lBufferSizeCpr;
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CprPtr=(unsigned char*)malloc(lBufferSizeCpr + BlockSizeCompress);
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BeginCountPerfCounter(&li_qp,TRUE);
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dwGetTick=GetTickCount();
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BeginCountRdtsc(&li_rdtsc);
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{
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z_stream zcpr;
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int ret=Z_OK;
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long lOrigToDo = lFileSize;
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long lOrigDone = 0;
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int step=0;
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memset(&zcpr,0,sizeof(z_stream));
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deflateInit(&zcpr,cprLevel);
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zcpr.next_in = FilePtr;
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zcpr.next_out = CprPtr;
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do
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{
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long all_read_before = zcpr.total_in;
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zcpr.avail_in = min(lOrigToDo,BlockSizeCompress);
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zcpr.avail_out = BlockSizeCompress;
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ret=deflate(&zcpr,(zcpr.avail_in==lOrigToDo) ? Z_FINISH : Z_SYNC_FLUSH);
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lOrigDone += (zcpr.total_in-all_read_before);
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lOrigToDo -= (zcpr.total_in-all_read_before);
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step++;
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} while (ret==Z_OK);
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lSizeCpr=zcpr.total_out;
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deflateEnd(&zcpr);
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dwGetTick=GetTickCount()-dwGetTick;
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dwMsecQP=GetMsecSincePerfCounter(li_qp,TRUE);
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dwResRdtsc=GetResRdtsc(li_rdtsc,TRUE);
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printf("total compress size = %u, in %u step\n",lSizeCpr,step);
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printf("time = %u msec = %f sec\n",dwGetTick,dwGetTick/(double)1000.);
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printf("defcpr time QP = %u msec = %f sec\n",dwMsecQP,dwMsecQP/(double)1000.);
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printf("defcpr result rdtsc = %I64x\n\n",dwResRdtsc.QuadPart);
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}
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CprPtr=(unsigned char*)realloc(CprPtr,lSizeCpr);
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UncprPtr=(unsigned char*)malloc(lBufferSizeUncpr + BlockSizeUncompress);
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BeginCountPerfCounter(&li_qp,TRUE);
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dwGetTick=GetTickCount();
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BeginCountRdtsc(&li_rdtsc);
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{
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z_stream zcpr;
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int ret=Z_OK;
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long lOrigToDo = lSizeCpr;
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long lOrigDone = 0;
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int step=0;
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memset(&zcpr,0,sizeof(z_stream));
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inflateInit(&zcpr);
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zcpr.next_in = CprPtr;
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zcpr.next_out = UncprPtr;
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do
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{
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long all_read_before = zcpr.total_in;
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zcpr.avail_in = min(lOrigToDo,BlockSizeUncompress);
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zcpr.avail_out = BlockSizeUncompress;
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ret=inflate(&zcpr,Z_SYNC_FLUSH);
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lOrigDone += (zcpr.total_in-all_read_before);
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lOrigToDo -= (zcpr.total_in-all_read_before);
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step++;
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} while (ret==Z_OK);
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lSizeUncpr=zcpr.total_out;
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inflateEnd(&zcpr);
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dwGetTick=GetTickCount()-dwGetTick;
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dwMsecQP=GetMsecSincePerfCounter(li_qp,TRUE);
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dwResRdtsc=GetResRdtsc(li_rdtsc,TRUE);
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printf("total uncompress size = %u, in %u step\n",lSizeUncpr,step);
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printf("time = %u msec = %f sec\n",dwGetTick,dwGetTick/(double)1000.);
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printf("uncpr time QP = %u msec = %f sec\n",dwMsecQP,dwMsecQP/(double)1000.);
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printf("uncpr result rdtsc = %I64x\n\n",dwResRdtsc.QuadPart);
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}
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if (lSizeUncpr==lFileSize)
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{
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if (memcmp(FilePtr,UncprPtr,lFileSize)==0)
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printf("compare ok\n");
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}
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return 0;
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}
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