aboutsummaryrefslogtreecommitdiff
path: root/zlib/contrib/testzlib/testzlib.c
blob: 5f659dea00f65275ae43fa8f37b00c94d2b69b77 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
#include <stdio.h>
#include <stdlib.h>
#include <windows.h>

#include "zlib.h"


void MyDoMinus64(LARGE_INTEGER *R,LARGE_INTEGER A,LARGE_INTEGER B)
{
    R->HighPart = A.HighPart - B.HighPart;
    if (A.LowPart >= B.LowPart)
        R->LowPart = A.LowPart - B.LowPart;
    else
    {
        R->LowPart = A.LowPart - B.LowPart;
        R->HighPart --;
    }
}

#ifdef _M_X64
// see http://msdn2.microsoft.com/library/twchhe95(en-us,vs.80).aspx for __rdtsc
unsigned __int64 __rdtsc(void);
void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64)
{
 //   printf("rdtsc = %I64x\n",__rdtsc());
   pbeginTime64->QuadPart=__rdtsc();
}

LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf)
{
    LARGE_INTEGER LIres;
    unsigned _int64 res=__rdtsc()-((unsigned _int64)(beginTime64.QuadPart));
    LIres.QuadPart=res;
   // printf("rdtsc = %I64x\n",__rdtsc());
    return LIres;
}
#else
#ifdef _M_IX86
void myGetRDTSC32(LARGE_INTEGER * pbeginTime64)
{
    DWORD dwEdx,dwEax;
    _asm
    {
        rdtsc
        mov dwEax,eax
        mov dwEdx,edx
    }
    pbeginTime64->LowPart=dwEax;
    pbeginTime64->HighPart=dwEdx;
}

void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64)
{
    myGetRDTSC32(pbeginTime64);
}

LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf)
{
    LARGE_INTEGER LIres,endTime64;
    myGetRDTSC32(&endTime64);

    LIres.LowPart=LIres.HighPart=0;
    MyDoMinus64(&LIres,endTime64,beginTime64);
    return LIres;
}
#else
void myGetRDTSC32(LARGE_INTEGER * pbeginTime64)
{
}

void BeginCountRdtsc(LARGE_INTEGER * pbeginTime64)
{
}

LARGE_INTEGER GetResRdtsc(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf)
{
    LARGE_INTEGER lr;
    lr.QuadPart=0;
    return lr;
}
#endif
#endif

void BeginCountPerfCounter(LARGE_INTEGER * pbeginTime64,BOOL fComputeTimeQueryPerf)
{
    if ((!fComputeTimeQueryPerf) || (!QueryPerformanceCounter(pbeginTime64)))
    {
        pbeginTime64->LowPart = GetTickCount();
        pbeginTime64->HighPart = 0;
    }
}

DWORD GetMsecSincePerfCounter(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPerf)
{
    LARGE_INTEGER endTime64,ticksPerSecond,ticks;
    DWORDLONG ticksShifted,tickSecShifted;
    DWORD dwLog=16+0;
    DWORD dwRet;
    if ((!fComputeTimeQueryPerf) || (!QueryPerformanceCounter(&endTime64)))
        dwRet = (GetTickCount() - beginTime64.LowPart)*1;
    else
    {
        MyDoMinus64(&ticks,endTime64,beginTime64);
        QueryPerformanceFrequency(&ticksPerSecond);


        {
            ticksShifted = Int64ShrlMod32(*(DWORDLONG*)&ticks,dwLog);
            tickSecShifted = Int64ShrlMod32(*(DWORDLONG*)&ticksPerSecond,dwLog);

        }

        dwRet = (DWORD)((((DWORD)ticksShifted)*1000)/(DWORD)(tickSecShifted));
        dwRet *=1;
    }
    return dwRet;
}

int ReadFileMemory(const char* filename,long* plFileSize,unsigned char** pFilePtr)
{
    FILE* stream;
    unsigned char* ptr;
    int retVal=1;
    stream=fopen(filename, "rb");
    if (stream==NULL)
        return 0;

    fseek(stream,0,SEEK_END);

    *plFileSize=ftell(stream);
    fseek(stream,0,SEEK_SET);
    ptr=malloc((*plFileSize)+1);
    if (ptr==NULL)
        retVal=0;
    else
    {
        if (fread(ptr, 1, *plFileSize,stream) != (*plFileSize))
            retVal=0;
    }
    fclose(stream);
    *pFilePtr=ptr;
    return retVal;
}

int main(int argc, char *argv[])
{
    int BlockSizeCompress=0x8000;
    int BlockSizeUncompress=0x8000;
    int cprLevel=Z_DEFAULT_COMPRESSION ;
    long lFileSize;
    unsigned char* FilePtr;
    long lBufferSizeCpr;
    long lBufferSizeUncpr;
    long lCompressedSize=0;
    unsigned char* CprPtr;
    unsigned char* UncprPtr;
    long lSizeCpr,lSizeUncpr;
    DWORD dwGetTick,dwMsecQP;
    LARGE_INTEGER li_qp,li_rdtsc,dwResRdtsc;

    if (argc<=1)
    {
        printf("run TestZlib <File> [BlockSizeCompress] [BlockSizeUncompress] [compres. level]\n");
        return 0;
    }

    if (ReadFileMemory(argv[1],&lFileSize,&FilePtr)==0)
    {
        printf("error reading %s\n",argv[1]);
        return 1;
    }
    else printf("file %s read, %u bytes\n",argv[1],lFileSize);

    if (argc>=3)
        BlockSizeCompress=atol(argv[2]);

    if (argc>=4)
        BlockSizeUncompress=atol(argv[3]);

    if (argc>=5)
        cprLevel=(int)atol(argv[4]);

    lBufferSizeCpr = lFileSize + (lFileSize/0x10) + 0x200;
    lBufferSizeUncpr = lBufferSizeCpr;

    CprPtr=(unsigned char*)malloc(lBufferSizeCpr + BlockSizeCompress);

    BeginCountPerfCounter(&li_qp,TRUE);
    dwGetTick=GetTickCount();
    BeginCountRdtsc(&li_rdtsc);
    {
        z_stream zcpr;
        int ret=Z_OK;
        long lOrigToDo = lFileSize;
        long lOrigDone = 0;
        int step=0;
        memset(&zcpr,0,sizeof(z_stream));
        deflateInit(&zcpr,cprLevel);

        zcpr.next_in = FilePtr;
        zcpr.next_out = CprPtr;


        do
        {
            long all_read_before = zcpr.total_in;
            zcpr.avail_in = min(lOrigToDo,BlockSizeCompress);
            zcpr.avail_out = BlockSizeCompress;
            ret=deflate(&zcpr,(zcpr.avail_in==lOrigToDo) ? Z_FINISH : Z_SYNC_FLUSH);
            lOrigDone += (zcpr.total_in-all_read_before);
            lOrigToDo -= (zcpr.total_in-all_read_before);
            step++;
        } while (ret==Z_OK);

        lSizeCpr=zcpr.total_out;
        deflateEnd(&zcpr);
        dwGetTick=GetTickCount()-dwGetTick;
        dwMsecQP=GetMsecSincePerfCounter(li_qp,TRUE);
        dwResRdtsc=GetResRdtsc(li_rdtsc,TRUE);
        printf("total compress size = %u, in %u step\n",lSizeCpr,step);
        printf("time = %u msec = %f sec\n",dwGetTick,dwGetTick/(double)1000.);
        printf("defcpr time QP = %u msec = %f sec\n",dwMsecQP,dwMsecQP/(double)1000.);
        printf("defcpr result rdtsc = %I64x\n\n",dwResRdtsc.QuadPart);
    }

    CprPtr=(unsigned char*)realloc(CprPtr,lSizeCpr);
    UncprPtr=(unsigned char*)malloc(lBufferSizeUncpr + BlockSizeUncompress);

    BeginCountPerfCounter(&li_qp,TRUE);
    dwGetTick=GetTickCount();
    BeginCountRdtsc(&li_rdtsc);
    {
        z_stream zcpr;
        int ret=Z_OK;
        long lOrigToDo = lSizeCpr;
        long lOrigDone = 0;
        int step=0;
        memset(&zcpr,0,sizeof(z_stream));
        inflateInit(&zcpr);

        zcpr.next_in = CprPtr;
        zcpr.next_out = UncprPtr;


        do
        {
            long all_read_before = zcpr.total_in;
            zcpr.avail_in = min(lOrigToDo,BlockSizeUncompress);
            zcpr.avail_out = BlockSizeUncompress;
            ret=inflate(&zcpr,Z_SYNC_FLUSH);
            lOrigDone += (zcpr.total_in-all_read_before);
            lOrigToDo -= (zcpr.total_in-all_read_before);
            step++;
        } while (ret==Z_OK);

        lSizeUncpr=zcpr.total_out;
        inflateEnd(&zcpr);
        dwGetTick=GetTickCount()-dwGetTick;
        dwMsecQP=GetMsecSincePerfCounter(li_qp,TRUE);
        dwResRdtsc=GetResRdtsc(li_rdtsc,TRUE);
        printf("total uncompress size = %u, in %u step\n",lSizeUncpr,step);
        printf("time = %u msec = %f sec\n",dwGetTick,dwGetTick/(double)1000.);
        printf("uncpr  time QP = %u msec = %f sec\n",dwMsecQP,dwMsecQP/(double)1000.);
        printf("uncpr  result rdtsc = %I64x\n\n",dwResRdtsc.QuadPart);
    }

    if (lSizeUncpr==lFileSize)
    {
        if (memcmp(FilePtr,UncprPtr,lFileSize)==0)
            printf("compare ok\n");

    }

    return 0;
}