<Release> Simple C/C++ Perfometer: Copying Files (Versions 4.x)
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Alex Vinokur
Mar 24, 2005, 1:56:30 PM3/24/05
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###############
### Release ###
###############
=========================================
* Performance
* Comparative Performance Measurement
-----------------------------------------
* Tool : Simple C/C++ Perfometer
* Algorithm: Copying files
* Language : C++
* Version : F2F-4.0
-----------------------------------------
* Environment: Windows 2000 Professional
Intel(R) Celeron(R) CPU 1.70 GHz
Cygwin, Mingw32 interface, Djgpp
* Compilers : GNU g++
=========================================
===================== 1. Testsuites : BEGIN =====================
Testsuites
----------
C-01 : C-Functions getc() and putc()
C-02 : C-Functions fgetc() and fputc()
C-03 : C-Functions fread() and fwrite() - with const size buffer
C-04 : C-Functions fread() and fwrite() - with max size buffer
Unix-C-05 : UNIX system call mmap()
CPP-01 : istream::operator>> and ostream::operator<<
CPP-02 : streambuf::sbumpc() and streambuf::sputc()
CPP-03 : streambuf::sbumpc() and ostream::operator<<
CPP-04 : ifstream::rdbuf() and ostream::operator<<
CPP-05 : istream::read() and ostream::write() - with const size buffer
CPP-06 : istream::read() and ostream::write(), std::ostringstream, ostream::operator<< - with const buffer
CPP-07 : istream::readsome() and ostream::write() - with const size buffer
CPP-08 : istream::read() and ostream::write() - with max size buffer
CPP-09 : std::getline, std::ostringstream, ostream::operator<<
CPP-10 : std::getline, std::string, ostream::operator<<
CPP-11 : istream::getline, std::ostringstream, ostream::operator<<
CPP-12 : istream::get(char) and ostream::put
CPP-13 : istream::get(char)
CPP-14 : istream::get(char*, streamsize) , ostream::operator<< - with const size buffer
CPP-15 : istream::get(streambuf&) and std::streambuf, ostream::operator<<
CPP-16 : std::istream_iterator, std::ostream_iterator and std::copy
CPP-17 : std::istream_iterator, std::string
CPP-18 : std::istreambuf_iterator, std::ostreambuf_iterator and std::copy
CPP-19 : std::istreambuf_iterator, std::ostreambuf_iterator and std::transform
CPP-20 : std::istreambuf_iterator and std::string
CPP-21 : std::vector and std::copy
CPP-22 : std::vector and push_back()
CPP-23 : std::vector and istream::read()
CPP-24 : std::string and istream::read()
===================== 1. Testsuites : END =======================
===================== 2. Program files : BEGIN =====================
Program file file2file-4-0.cpp can found at:
------ Via Google Groups ---
http://groups-beta.google.com/group/sources/msg/e94171d2a079a20c
http://groups-beta.google.com/group/sources/attach/e94171d2a079a20c/file2file-4-0.cpp?part=2
------ Via Gmane Groups ---
http://article.gmane.org/gmane.comp.lang.c++.perfometer/101
http://article.gmane.org/gmane.comp.lang.c++.perfometer/106
http://permalink.gmane.org/gmane.comp.lang.c++.perfometer/101
http://permalink.gmane.org/gmane.comp.lang.c++.perfometer/106
http://cache.gmane.org/gmane/comp/lang/c++/perfometer/101
http://cache.gmane.org/gmane/comp/lang/c++/perfometer/106
===================== 2. Program files : END =======================
===================== 3. Performance tests : BEGIN =====================
Raw log files can found at:
------ Via Google Groups ---
* http://groups-beta.google.com/group/log-files/browse_frm/thread/508ee2a154042a0c/204781b4e1ea0b19?tvc=1#204781b4e1ea0b19
-- Cygwin ---
*** http://groups-beta.google.com/group/log-files/attach/204781b4e1ea0b19/f2f-cyg-1000.log?part=2
*** http://groups-beta.google.com/group/log-files/attach/204781b4e1ea0b19/f2f-cyg-10000.log?part=3
-- Mingw32 interface ---
*** http://groups-beta.google.com/group/log-files/attach/ebf3488850df8cd3/f2f-mgw-1000.log?part=2
*** http://groups-beta.google.com/group/log-files/attach/ebf3488850df8cd3/f2f-mgw-10000.log?part=3
-- Djgpp ---
*** http://groups-beta.google.com/group/log-files/attach/3352b07f80be24c1/f2f-dj-1000.log?part=2
*** http://groups-beta.google.com/group/log-files/attach/3352b07f80be24c1/f2f-dj-10000.log?part=3
------ Via Gmane Groups ---
* http://thread.gmane.org/gmane.comp.lang.c++.perfometer/102
* http://comments.gmane.org/gmane.comp.lang.c++.perfometer/102
-- Cygwin ---
*** http://article.gmane.org/gmane.comp.lang.c++.perfometer/102
*** http://permalink.gmane.org/gmane.comp.lang.c++.perfometer/102
*** http://cache.gmane.org/gmane/comp/lang/c++/perfometer/102
*** http://cache.gmane.org/gmane/comp/lang/c++/perfometer/102-001.bin
*** http://cache.gmane.org/gmane/comp/lang/c++/perfometer/102-002.bin
-- Mingw32 interface ---
*** http://article.gmane.org/gmane.comp.lang.c++.perfometer/105
*** http://permalink.gmane.org/gmane.comp.lang.c++.perfometer/105
*** http://cache.gmane.org/gmane/comp/lang/c++/perfometer/105
*** http://cache.gmane.org/gmane/comp/lang/c++/perfometer/105-001.bin
*** http://cache.gmane.org/gmane/comp/lang/c++/perfometer/105-002.bin
-- Djgpp ---
*** http://article.gmane.org/gmane.comp.lang.c++.perfometer/104
*** http://permalink.gmane.org/gmane.comp.lang.c++.perfometer/104
*** http://cache.gmane.org/gmane/comp/lang/c++/perfometer/104
*** http://cache.gmane.org/gmane/comp/lang/c++/perfometer/104-001.bin
*** http://cache.gmane.org/gmane/comp/lang/c++/perfometer/104-002.bin
===================== 3. Performance tests : END =======================
===================== 4. Methods of copying : BEGIN =====================
FILE* ifp; // input file pointer
FILE* ofp; // output file pointer
int ifd; // input file descriptor; UNIX
int ofd; // output file descriptor; UNIX
ifstream ifs; // input file stream
ofstream ofs; // output file stream
// -----
// Note. Files are tested in both modes text and binary
// -----
char ch;
int ich;
const int newline_int_symbol (int ('\n'));
size_t nread;
streamsize len;
size_t no_of_file_bytes; // File size (number of bytes)
size_t no_of_file_lines; // Number of file lines
// -----
// Note. 'no_of_file_bytes' doesn't contain number of '\r' in '\r\n'
// -----
char const_buf [4096];
char* max_buf = new char [no_of_file_bytes + no_of_file_lines + 1];
string line;
string str;
ostringstream oss;
struct char_identity { char operator()(char ch) const { return ch; } };
### C-01: C-Functions getc() and putc()
------------------------------------------------
while ((ich = getc(ifp)) != EOF) putc(ich, ofp);
------------------------------------------------
### C-02: C-Functions fgetc() and fputc()
------------------------------------------------
while ((ich = fgetc(ifp)) != EOF) fputc(ich, ofp);
------------------------------------------------
### C-03: C-Functions fread() and fwrite() - with const size buffer
------------------------------------------------
while ((nread = fread(const_buf, sizeof(char), sizeof(const_buf), ifp)) > 0)
{
fwrite(const_buf, sizeof(char), nread, ofp);
}
------------------------------------------------
### C-04: C-Functions fread() and fwrite() - with max size buffer
------------------------------------------------
while ((nread = fread(max_buf, sizeof(char), sizeof(max_buf), ifp)) > 0)
{
fwrite(max_buf, sizeof(char), nread, ofp);
}
------------------------------------------------
### Unix-C-05: UNIX system call mmap()
------------------------------------------------
size_t actual_file_size = no_of_file_bytes + ((text-mode) ? no_of_file_lines : 0)
char* ptr = (char*)mmap(0, actual_file_size, PROT_READ, MAP_SHARED, ifd, 0);
write(ofd, ptr, actual_file_size);
munmap(ptr, actual_file_size);
------------------------------------------------
### CPP-01: istream::operator>> and ostream::operator<<
------------------------------------------------
ifs.unsetf(ios::skipws);
while (ifs >> ch) ofs << ch;
------------------------------------------------
### CPP-02: streambuf::sbumpc() and streambuf::sputc()
------------------------------------------------
while ((ch = ifs.rdbuf()->sbumpc()) != EOF) ofs.rdbuf()->sputc(ch);
------------------------------------------------
### CPP-03: streambuf::sbumpc() and ostream::operator<<
------------------------------------------------
ch = ifs.rdbuf()->sbumpc();
ofs << ch;
while (ch != EOF)
{
ofs << ifs.rdbuf();
ch = ifs.rdbuf()->sbumpc();
}
------------------------------------------------
### CPP-04: ifstream::rdbuf() and ostream::operator<<
------------------------------------------------
ofs << ifs.rdbuf();
------------------------------------------------
### CPP-05: istream::read() and ostream::write() - with const size buffer
------------------------------------------------
while (!ifs.eof())
{
ifs.read (const_buf, sizeof(const_buf));
ofs.write (const_buf, ifs.gcount());
}
------------------------------------------------
### CPP-06: istream::read() and ostream::write(), std::ostringstream, ostream::operator<< - with const buffer
------------------------------------------------
while (!ifs.eof())
{
ifs.read (const_buf, sizeof(const_buf));
oss.write (const_buf, ifs.gcount());
}
ofs << oss.str();
------------------------------------------------
### CPP-07: istream::readsome() and ostream::write() - with const size buffer
------------------------------------------------
do
{
len = ifs.readsome (const_buf, sizeof(const_buf));
ofs.write (const_buf, len);
} while (len);
------------------------------------------------
### CPP-08: istream::read() and ostream::write() - with max size buffer
------------------------------------------------
while (!ifs.eof())
{
ifs.read (max_buf, no_of_file_bytes + no_of_file_lines);
ofs.write (max_buf, ifs.gcount());
}
------------------------------------------------
### CPP-09: std::getline, std::ostringstream, ostream::operator<<
------------------------------------------------
while (getline (ifs, line)) oss << line << '\n';
string tmp(oss.str());
if (!tmp.empty())
{
ifs.rdbuf()->sungetc ();
if (ifs.rdbuf()->sgetc() != '\n') tmp.erase(tmp.size() - 1);
}
ofs << tmp;
------------------------------------------------
### CPP-10: std::getline, std::string, ostream::operator<<
------------------------------------------------
while (getline (ifs, line))
{
str +=line;
str +='\n';
}
if (!str.empty())
{
ifs.rdbuf()->sungetc ();
if (ifs.rdbuf()->sgetc() != '\n') str.erase(str.size() - 1);
}
ofs << str;
------------------------------------------------
### CPP-11: istream::getline, std::ostringstream, ostream::operator<<
------------------------------------------------
while (ifs.getline (const_buf, sizeof(const_buf)).gcount())
{
oss << const_buf;
if (ifs.fail()) ifs.clear (~(ios_base::failbit | ~ifs.rdstate ()));
else oss << '\n';
}
string tmp(oss.str());
if (!tmp.empty())
{
ifs.rdbuf()->sungetc ();
if (ifs.rdbuf()->sgetc() != '\n') tmp.erase(tmp.size() - 1);
}
ofs << tmp;
------------------------------------------------
### CPP-12: istream::get(char) and ostream::put
------------------------------------------------
while (ifs.get(ch)) ofs.put(ch);
------------------------------------------------
### CPP-13: istream::get(char)
------------------------------------------------
for (unsigned long i = 0; ifs.get (ch); i++) str[i] = ch;
str.erase (i);
ofs << str;
------------------------------------------------
### CPP-14: istream::get(char*, streamsize), ostream::operator<< - with const size buffer
------------------------------------------------
while (ifs.get (const_buf, sizeof(const_buf)))
{
ofs << const_buf;
if (ifs.peek() == newline_int_symbol) ofs << char(ifs.get());
}
------------------------------------------------
### CPP-15: istream::get(streambuf&) and std::streambuf, ostream::operator<<
------------------------------------------------
while (ifs.get (*ofs.rdbuf()))
{
if (ifs.peek() == newline_int_symbol) ofs << char(ifs.get());
}
------------------------------------------------
### CPP-16: std::istream_iterator, std::ostream_iterator and std::copy
------------------------------------------------
ifs >> noskipws;
istream_iterator<char> in(ifs), eos;
ostream_iterator<char> out(ofs);
copy (in, eos, out);
------------------------------------------------
### CPP-17: std::istream_iterator, std::string
------------------------------------------------
ifs >> noskipws;
istream_iterator<char> in(ifs), eos;
ofs << string(in, eos);
------------------------------------------------
### CPP-18: std::istreambuf_iterator, std::ostreambuf_iterator and std::copy
------------------------------------------------
ifs >> noskipws;
istreambuf_iterator<char> in(ifs), eos;
ostreambuf_iterator<char> out(ofs);
copy (in, eos, out);
------------------------------------------------
### CPP-19: std::istreambuf_iterator, std::ostreambuf_iterator and std::transform
------------------------------------------------
ifs >> noskipws;
istreambuf_iterator<char> in(ifs), eos;
ostreambuf_iterator<char> out(ofs);
transform(in, eos, out, char_identity());
------------------------------------------------
### CPP-20: std::istreambuf_iterator and std::string
------------------------------------------------
ifs >> noskipws;
istreambuf_iterator<char> in(ifs), eos;
ofs << string(in, eos);
------------------------------------------------
### CPP-21: std::vector and std::copy
------------------------------------------------
vector<char> v (no_of_file_bytes);
ifs.read(&v[0], no_of_file_bytes);
ostream_iterator<char> out(ofs);
copy (&v[0], &v[v.size()], out);
------------------------------------------------
### CPP-22: std::vector and push_back()
------------------------------------------------
vector<char> v;
v.reserve(no_of_file_bytes);
while (ifs.get(ch)) v.push_back(ch);
ofs << (v.empty() ? string() : string (v.begin(), v.end()));
------------------------------------------------
### CPP-23: std::vector and istream::read()
------------------------------------------------
vector<char> v (no_of_file_bytes);
ifs.read(&v[0], no_of_file_bytes);
ofs << (v.empty() ? string() : string (v.begin(), v.end()));
------------------------------------------------
### CPP-24: std::string and istream::read()
------------------------------------------------
string tmp (no_of_file_bytes, '0');
ifs.read(&tmp[0], no_of_file_bytes);
ofs << tmp;
------------------------------------------------
===================== 4. Methods of copying : END =======================
==================== 5. Summary results : BEGIN =====================
Test results sorted by ascending time used.
Each function for each mode (text, binary)
occurs 3 times in each sorted list
(because 'Number of runs' = 3).
---------------------------
5.1. GNU gcc 3.3.3 (CYGWIN)
---------------------------
### File size : 10000
### Number of runs : 3
### Number of tests : 5
### Number of repetitions : 35
### CLOCKS_PER_SEC : 1000
C_03_bin__functions_fread_fwrite__const_buf : 6 units (0.006 secs)
C_03_bin__functions_fread_fwrite__const_buf : 10 units (0.010 secs)
C_03_bin__functions_fread_fwrite__const_buf : 10 units (0.010 secs)
C_04_bin__functions_fread_fwrite__max_buf : 10 units (0.010 secs)
C_04_bin__functions_fread_fwrite__max_buf : 10 units (0.010 secs)
C_04_bin__functions_fread_fwrite__max_buf : 13 units (0.013 secs)
unix_C_05_bin__mmap : 13 units (0.013 secs)
unix_C_05_bin__mmap : 13 units (0.013 secs)
unix_C_05_txt__mmap : 16 units (0.016 secs)
unix_C_05_bin__mmap : 17 units (0.017 secs)
CPP_03_bin__method_sbumpc__op_out : 20 units (0.020 secs)
CPP_03_bin__method_sbumpc__op_out : 20 units (0.020 secs)
CPP_04_bin__method_rdbuf__op_out : 20 units (0.020 secs)
unix_C_05_txt__mmap : 20 units (0.020 secs)
CPP_04_bin__method_rdbuf__op_out : 23 units (0.023 secs)
CPP_05_bin__methods_cpp_read_write__const_buf : 23 units (0.023 secs)
CPP_05_bin__methods_cpp_read_write__const_buf : 23 units (0.023 secs)
CPP_08_bin__methods_cpp_read_write__max_buf : 23 units (0.023 secs)
CPP_08_bin__methods_cpp_read_write__max_buf : 23 units (0.023 secs)
CPP_03_bin__method_sbumpc__op_out : 26 units (0.026 secs)
CPP_04_bin__method_rdbuf__op_out : 26 units (0.026 secs)
CPP_05_bin__methods_cpp_read_write__const_buf : 26 units (0.026 secs)
CPP_08_bin__methods_cpp_read_write__max_buf : 26 units (0.026 secs)
unix_C_05_txt__mmap : 26 units (0.026 secs)
CPP_24_bin__string__cpp_read : 30 units (0.030 secs)
CPP_24_bin__string__cpp_read : 30 units (0.030 secs)
CPP_24_bin__string__cpp_read : 33 units (0.033 secs)
C_04_txt__functions_fread_fwrite__max_buf : 43 units (0.043 secs)
C_03_txt__functions_fread_fwrite__const_buf : 46 units (0.046 secs)
C_04_txt__functions_fread_fwrite__max_buf : 46 units (0.046 secs)
C_04_txt__functions_fread_fwrite__max_buf : 47 units (0.047 secs)
C_03_txt__functions_fread_fwrite__const_buf : 50 units (0.050 secs)
C_03_txt__functions_fread_fwrite__const_buf : 50 units (0.050 secs)
CPP_06_bin__methods_cpp_read_write_oss__const_buf : 56 units (0.056 secs)
CPP_14_bin__method_ifstream_get__const_buf : 56 units (0.056 secs)
CPP_14_bin__method_ifstream_get__const_buf : 56 units (0.056 secs)
CPP_06_bin__methods_cpp_read_write_oss__const_buf : 57 units (0.057 secs)
CPP_08_txt__methods_cpp_read_write__max_buf : 60 units (0.060 secs)
CPP_14_bin__method_ifstream_get__const_buf : 60 units (0.060 secs)
CPP_04_txt__method_rdbuf__op_out : 63 units (0.063 secs)
CPP_06_bin__methods_cpp_read_write_oss__const_buf : 63 units (0.063 secs)
CPP_07_bin__methods_cpp_readsome_write__const_buf : 63 units (0.063 secs)
CPP_07_bin__methods_cpp_readsome_write__const_buf : 63 units (0.063 secs)
CPP_24_txt__string__cpp_read : 63 units (0.063 secs)
CPP_07_bin__methods_cpp_readsome_write__const_buf : 66 units (0.066 secs)
CPP_08_txt__methods_cpp_read_write__max_buf : 66 units (0.066 secs)
CPP_08_txt__methods_cpp_read_write__max_buf : 66 units (0.066 secs)
CPP_24_txt__string__cpp_read : 66 units (0.066 secs)
CPP_23_bin__vector__cpp_read : 67 units (0.067 secs)
CPP_03_txt__method_sbumpc__op_out : 70 units (0.070 secs)
CPP_04_txt__method_rdbuf__op_out : 70 units (0.070 secs)
CPP_04_txt__method_rdbuf__op_out : 70 units (0.070 secs)
CPP_23_bin__vector__cpp_read : 70 units (0.070 secs)
CPP_03_txt__method_sbumpc__op_out : 73 units (0.073 secs)
CPP_02_bin__methods_sbumpc_sputc : 76 units (0.076 secs)
CPP_05_txt__methods_cpp_read_write__const_buf : 76 units (0.076 secs)
CPP_24_txt__string__cpp_read : 76 units (0.076 secs)
CPP_05_txt__methods_cpp_read_write__const_buf : 77 units (0.077 secs)
CPP_15_bin__method_ifstream_get__streambuf : 77 units (0.077 secs)
CPP_23_bin__vector__cpp_read : 77 units (0.077 secs)
CPP_02_bin__methods_sbumpc_sputc : 80 units (0.080 secs)
CPP_02_bin__methods_sbumpc_sputc : 83 units (0.083 secs)
CPP_03_txt__method_sbumpc__op_out : 83 units (0.083 secs)
CPP_05_txt__methods_cpp_read_write__const_buf : 83 units (0.083 secs)
CPP_11_bin__method_ifstream_getline : 83 units (0.083 secs)
CPP_15_bin__method_ifstream_get__streambuf : 83 units (0.083 secs)
CPP_15_bin__method_ifstream_get__streambuf : 87 units (0.087 secs)
CPP_11_bin__method_ifstream_getline : 90 units (0.090 secs)
CPP_11_bin__method_ifstream_getline : 96 units (0.096 secs)
CPP_06_txt__methods_cpp_read_write_oss__const_buf : 100 units (0.100 secs)
CPP_23_txt__vector__cpp_read : 100 units (0.100 secs)
CPP_06_txt__methods_cpp_read_write_oss__const_buf : 103 units (0.103 secs)
CPP_14_txt__method_ifstream_get__const_buf : 103 units (0.103 secs)
CPP_23_txt__vector__cpp_read : 106 units (0.106 secs)
CPP_14_txt__method_ifstream_get__const_buf : 107 units (0.107 secs)
CPP_06_txt__methods_cpp_read_write_oss__const_buf : 110 units (0.110 secs)
CPP_07_txt__methods_cpp_readsome_write__const_buf : 110 units (0.110 secs)
CPP_07_txt__methods_cpp_readsome_write__const_buf : 116 units (0.116 secs)
CPP_07_txt__methods_cpp_readsome_write__const_buf : 116 units (0.116 secs)
CPP_14_txt__method_ifstream_get__const_buf : 116 units (0.116 secs)
CPP_23_txt__vector__cpp_read : 116 units (0.116 secs)
CPP_02_txt__methods_sbumpc_sputc : 117 units (0.117 secs)
CPP_02_txt__methods_sbumpc_sputc : 120 units (0.120 secs)
CPP_15_txt__method_ifstream_get__streambuf : 126 units (0.126 secs)
CPP_02_txt__methods_sbumpc_sputc : 136 units (0.136 secs)
CPP_11_txt__method_ifstream_getline : 136 units (0.136 secs)
CPP_11_txt__method_ifstream_getline : 137 units (0.137 secs)
CPP_15_txt__method_ifstream_get__streambuf : 143 units (0.143 secs)
CPP_11_txt__method_ifstream_getline : 144 units (0.144 secs)
CPP_15_txt__method_ifstream_get__streambuf : 154 units (0.154 secs)
CPP_20_bin__iostreambuf_iterators__string : 240 units (0.240 secs)
CPP_18_bin__iostreambuf_iterators__copy : 244 units (0.244 secs)
CPP_20_bin__iostreambuf_iterators__string : 247 units (0.247 secs)
CPP_20_bin__iostreambuf_iterators__string : 247 units (0.247 secs)
CPP_18_bin__iostreambuf_iterators__copy : 257 units (0.257 secs)
CPP_19_bin__iostreambuf_iterators__transform : 257 units (0.257 secs)
CPP_19_bin__iostreambuf_iterators__transform : 264 units (0.264 secs)
CPP_18_txt__iostreambuf_iterators__copy : 273 units (0.273 secs)
CPP_19_bin__iostreambuf_iterators__transform : 273 units (0.273 secs)
CPP_18_bin__iostreambuf_iterators__copy : 280 units (0.280 secs)
CPP_20_txt__iostreambuf_iterators__string : 280 units (0.280 secs)
CPP_20_txt__iostreambuf_iterators__string : 280 units (0.280 secs)
CPP_18_txt__iostreambuf_iterators__copy : 283 units (0.283 secs)
CPP_19_txt__iostreambuf_iterators__transform : 283 units (0.283 secs)
CPP_19_txt__iostreambuf_iterators__transform : 297 units (0.297 secs)
CPP_20_txt__iostreambuf_iterators__string : 304 units (0.304 secs)
CPP_19_txt__iostreambuf_iterators__transform : 307 units (0.307 secs)
CPP_18_txt__iostreambuf_iterators__copy : 314 units (0.314 secs)
C_01_bin__functions_getc_putc : 955 units (0.955 secs)
C_01_txt__functions_getc_putc : 958 units (0.958 secs)
C_02_bin__functions_fgetc_fputc : 974 units (0.974 secs)
C_02_txt__functions_fgetc_fputc : 974 units (0.974 secs)
C_01_bin__functions_getc_putc : 1051 units (1.051 secs)
C_01_txt__functions_getc_putc : 1051 units (1.051 secs)
C_02_bin__functions_fgetc_fputc : 1051 units (1.051 secs)
C_02_txt__functions_fgetc_fputc : 1055 units (1.055 secs)
C_01_txt__functions_getc_putc : 1058 units (1.058 secs)
C_01_bin__functions_getc_putc : 1068 units (1.068 secs)
C_02_txt__functions_fgetc_fputc : 1078 units (1.078 secs)
C_02_bin__functions_fgetc_fputc : 1088 units (1.088 secs)
CPP_13_bin__method_ifstream_get : 1922 units (1.922 secs)
CPP_13_txt__method_ifstream_get : 1949 units (1.949 secs)
CPP_22_bin__vector_push_back : 1996 units (1.996 secs)
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--------------------------
5.2. GNU gcc 3.3.3 (MINGW)
--------------------------
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### Number of runs : 3
### Number of tests : 2
### Number of repetitions : 300
### CLOCKS_PER_SEC : 1000
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------------------------------
5.3. GNU gcc 3.4.1 (DGGPP 2.3)
------------------------------
### File size : 10000
### Number of runs : 3
### Number of tests : 5
### Number of repetitions : 100
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C_02_txt__functions_fgetc_fputc : 18 units (0.198 secs)
CPP_02_bin__methods_sbumpc_sputc : 20 units (0.220 secs)
CPP_02_txt__methods_sbumpc_sputc : 20 units (0.220 secs)
CPP_09_txt__function_getline__ostringstream : 20 units (0.220 secs)
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CPP_14_bin__method_ifstream_get__const_buf : 20 units (0.220 secs)
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C_01_bin__functions_getc_putc : 21 units (0.231 secs)
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CPP_14_txt__method_ifstream_get__const_buf : 23 units (0.253 secs)
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CPP_13_bin__method_ifstream_get : 25 units (0.275 secs)
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CPP_12_bin__methods_ifstream_get_put : 26 units (0.286 secs)
CPP_13_bin__method_ifstream_get : 26 units (0.286 secs)
CPP_13_txt__method_ifstream_get : 26 units (0.286 secs)
CPP_24_bin__string__cpp_read : 26 units (0.286 secs)
CPP_13_txt__method_ifstream_get : 28 units (0.308 secs)
CPP_12_bin__methods_ifstream_get_put : 30 units (0.330 secs)
CPP_12_bin__methods_ifstream_get_put : 30 units (0.330 secs)
CPP_12_txt__methods_ifstream_get_put : 30 units (0.330 secs)
CPP_13_bin__method_ifstream_get : 30 units (0.330 secs)
CPP_12_txt__methods_ifstream_get_put : 31 units (0.341 secs)
CPP_14_bin__method_ifstream_get__const_buf : 31 units (0.341 secs)
CPP_12_txt__methods_ifstream_get_put : 36 units (0.396 secs)
CPP_17_bin__iostream_iterators__string : 38 units (0.418 secs)
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CPP_07_txt__methods_cpp_readsome_write__const_buf : 40 units (0.440 secs)
CPP_17_bin__iostream_iterators__string : 40 units (0.440 secs)
CPP_17_txt__iostream_iterators__string : 40 units (0.440 secs)
CPP_07_bin__methods_cpp_readsome_write__const_buf : 41 units (0.451 secs)
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CPP_07_bin__methods_cpp_readsome_write__const_buf : 43 units (0.473 secs)
CPP_07_bin__methods_cpp_readsome_write__const_buf : 43 units (0.473 secs)
CPP_07_txt__methods_cpp_readsome_write__const_buf : 43 units (0.473 secs)
CPP_07_txt__methods_cpp_readsome_write__const_buf : 43 units (0.473 secs)
CPP_17_bin__iostream_iterators__string : 45 units (0.495 secs)
CPP_17_txt__iostream_iterators__string : 45 units (0.495 secs)
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CPP_22_txt__vector_push_back : 46 units (0.505 secs)
CPP_23_bin__vector__cpp_read : 46 units (0.505 secs)
CPP_21_bin__vector__copy : 51 units (0.560 secs)
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CPP_17_txt__iostream_iterators__string : 55 units (0.604 secs)
CPP_21_bin__vector__copy : 55 units (0.604 secs)
CPP_21_txt__vector__copy : 55 units (0.604 secs)
CPP_01_txt__operators_in_out : 56 units (0.615 secs)
CPP_01_txt__operators_in_out : 58 units (0.637 secs)
CPP_20_bin__iostreambuf_iterators__string : 58 units (0.637 secs)
CPP_21_bin__vector__copy : 58 units (0.637 secs)
CPP_01_bin__operators_in_out : 60 units (0.659 secs)
CPP_01_bin__operators_in_out : 60 units (0.659 secs)
CPP_21_txt__vector__copy : 60 units (0.659 secs)
CPP_21_txt__vector__copy : 60 units (0.659 secs)
CPP_01_txt__operators_in_out : 61 units (0.670 secs)
CPP_18_bin__iostreambuf_iterators__copy : 65 units (0.714 secs)
CPP_20_txt__iostreambuf_iterators__string : 65 units (0.714 secs)
CPP_20_txt__iostreambuf_iterators__string : 65 units (0.714 secs)
CPP_19_bin__iostreambuf_iterators__transform : 66 units (0.725 secs)
CPP_18_txt__iostreambuf_iterators__copy : 68 units (0.747 secs)
CPP_20_bin__iostreambuf_iterators__string : 68 units (0.747 secs)
CPP_20_bin__iostreambuf_iterators__string : 68 units (0.747 secs)
CPP_16_bin__iostream_iterators__copy : 70 units (0.769 secs)
CPP_18_txt__iostreambuf_iterators__copy : 71 units (0.780 secs)
CPP_19_txt__iostreambuf_iterators__transform : 71 units (0.780 secs)
CPP_20_txt__iostreambuf_iterators__string : 71 units (0.780 secs)
CPP_19_bin__iostreambuf_iterators__transform : 73 units (0.802 secs)
CPP_16_bin__iostream_iterators__copy : 76 units (0.835 secs)
CPP_16_txt__iostream_iterators__copy : 76 units (0.835 secs)
CPP_16_txt__iostream_iterators__copy : 76 units (0.835 secs)
CPP_19_txt__iostreambuf_iterators__transform : 76 units (0.835 secs)
CPP_16_txt__iostream_iterators__copy : 78 units (0.857 secs)
CPP_18_bin__iostreambuf_iterators__copy : 80 units (0.879 secs)
CPP_18_bin__iostreambuf_iterators__copy : 81 units (0.890 secs)
CPP_19_txt__iostreambuf_iterators__transform : 83 units (0.912 secs)
CPP_16_bin__iostream_iterators__copy : 86 units (0.945 secs)
CPP_22_txt__vector_push_back : 90 units (0.989 secs)
CPP_19_bin__iostreambuf_iterators__transform : 93 units (1.022 secs)
CPP_18_txt__iostreambuf_iterators__copy : 95 units (1.044 secs)
CPP_22_bin__vector_push_back : 96 units (1.055 secs)
==================== 5. Summary results : END =======================
Alex Vinokur
email: alex DOT vinokur AT gmail DOT com
http://mathforum.org/library/view/10978.html
http://sourceforge.net/users/alexvn
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