compile with dmlc

This commit is contained in:
tqchen 2015-04-05 11:26:06 -07:00
parent 9b7907eda3
commit 5f902982f2
10 changed files with 425 additions and 23 deletions

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@ -16,18 +16,28 @@ ifeq ($(cxx11),1)
else
endif
ifeq ($(hdfs),1)
CFLAGS+= -DRABIT_USE_HDFS=1 -I$(HADOOP_HDFS_HOME)/include -I$(JAVA_HOME)/include
LDFLAGS+= -L$(HADOOP_HDFS_HOME)/lib/native -L$(JAVA_HOME)/jre/lib/amd64/server -lhdfs -ljvm
else
CFLAGS+= -DRABIT_USE_HDFS=0
# handling dmlc
ifdef dmlc
ifndef config
ifneq ("$(wildcard $(dmlc)/config.mk)","")
config = $(dmlc)/config.mk
else
config = $(dmlc)/make/config.mk
endif
endif
include $(config)
include $(dmlc)/make/dmlc.mk
LDFLAGS+= $(DMLC_LDFLAGS)
LIBDMLC=$(dmlc)/libdmlc.a
else
LIBDMLC=dmlc_simple.o
endif
# specify tensor path
BIN = xgboost
MOCKBIN = xgboost.mock
OBJ = updater.o gbm.o io.o main.o
MPIBIN = xgboost.mpi
OBJ = updater.o gbm.o io.o main.o dmlc_simple.o
MPIBIN =
SLIB = wrapper/libxgboostwrapper.so
.PHONY: clean all mpi python Rpack
@ -38,13 +48,12 @@ mpi: $(MPIBIN)
python: wrapper/libxgboostwrapper.so
# now the wrapper takes in two files. io and wrapper part
updater.o: src/tree/updater.cpp src/tree/*.hpp src/*.h src/tree/*.h src/utils/*.h
dmlc_simple.o: src/io/dmlc_simple.cpp src/utils/*.h
gbm.o: src/gbm/gbm.cpp src/gbm/*.hpp src/gbm/*.h
io.o: src/io/io.cpp src/io/*.hpp src/utils/*.h src/learner/dmatrix.h src/*.h
main.o: src/xgboost_main.cpp src/utils/*.h src/*.h src/learner/*.hpp src/learner/*.h
xgboost.mpi: updater.o gbm.o io.o main.o subtree/rabit/lib/librabit_mpi.a
xgboost.mock: updater.o gbm.o io.o main.o subtree/rabit/lib/librabit_mock.a
xgboost: updater.o gbm.o io.o main.o subtree/rabit/lib/librabit.a
wrapper/libxgboostwrapper.so: wrapper/xgboost_wrapper.cpp src/utils/*.h src/*.h src/learner/*.hpp src/learner/*.h updater.o gbm.o io.o subtree/rabit/lib/librabit.a
xgboost: updater.o gbm.o io.o main.o subtree/rabit/lib/librabit.a $(LIBDMLC)
wrapper/libxgboostwrapper.so: wrapper/xgboost_wrapper.cpp src/utils/*.h src/*.h src/learner/*.hpp src/learner/*.h updater.o gbm.o io.o subtree/rabit/lib/librabit.a $(LIBDMLC)
# dependency on rabit
subtree/rabit/lib/librabit.a: subtree/rabit/src/engine.cc

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@ -4,4 +4,5 @@ PKGROOT=../../
PKG_CPPFLAGS= -DXGBOOST_CUSTOMIZE_MSG_ -DXGBOOST_CUSTOMIZE_PRNG_ -DXGBOOST_STRICT_CXX98_ -DRABIT_CUSTOMIZE_MSG_ -DRABIT_STRICT_CXX98_ -I$(PKGROOT)
PKG_CXXFLAGS= $(SHLIB_OPENMP_CFLAGS)
PKG_LIBS = $(SHLIB_OPENMP_CFLAGS)
OBJECTS= xgboost_R.o xgboost_assert.o $(PKGROOT)/wrapper/xgboost_wrapper.o $(PKGROOT)/src/io/io.o $(PKGROOT)/src/gbm/gbm.o $(PKGROOT)/src/tree/updater.o $(PKGROOT)/subtree/rabit/src/engine_empty.o
OBJECTS= xgboost_R.o xgboost_assert.o $(PKGROOT)/wrapper/xgboost_wrapper.o $(PKGROOT)/src/io/io.o $(PKGROOT)/src/gbm/gbm.o $(PKGROOT)/src/tree/updater.o $(PKGROOT)/subtree/rabit/src/engine_empty.o $(PKGROOT)/src/io/dmlc_simple.o

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@ -15,5 +15,5 @@ xgblib:
PKG_CPPFLAGS= -DXGBOOST_CUSTOMIZE_MSG_ -DXGBOOST_CUSTOMIZE_PRNG_ -DXGBOOST_STRICT_CXX98_ -DRABIT_CUSTOMIZE_MSG_ -DRABIT_STRICT_CXX98_ -I$(PKGROOT) -I../..
PKG_CXXFLAGS= $(SHLIB_OPENMP_CFLAGS)
PKG_LIBS = $(SHLIB_OPENMP_CFLAGS)
OBJECTS= xgboost_R.o xgboost_assert.o $(PKGROOT)/wrapper/xgboost_wrapper.o $(PKGROOT)/src/io/io.o $(PKGROOT)/src/gbm/gbm.o $(PKGROOT)/src/tree/updater.o $(PKGROOT)/subtree/rabit/src/engine_empty.o
OBJECTS= xgboost_R.o xgboost_assert.o $(PKGROOT)/wrapper/xgboost_wrapper.o $(PKGROOT)/src/io/io.o $(PKGROOT)/src/gbm/gbm.o $(PKGROOT)/src/tree/updater.o $(PKGROOT)/subtree/rabit/src/engine_empty.o $(PKGROOT)/src/io/dmlc_simple.o
$(OBJECTS) : xgblib

126
src/io/dmlc_simple.cpp Normal file
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@ -0,0 +1,126 @@
#define _CRT_SECURE_NO_WARNINGS
#define _CRT_SECURE_NO_DEPRECATE
#define NOMINMAX
#include "../utils/io.h"
// implements a single no split version of DMLC
// in case we want to avoid dependency on dmlc-core
namespace xgboost {
namespace utils {
class SingleFileSplit : public dmlc::InputSplit {
public:
explicit SingleFileSplit(const char *fname) {
if (!std::strcmp(fname, "stdin")) {
#ifndef XGBOOST_STRICT_CXX98_
use_stdin_ = true; fp_ = stdin;
#endif
}
if (!use_stdin_) {
fp_ = utils::FopenCheck(fname, "r");
}
end_of_file_ = false;
}
virtual ~SingleFileSplit(void) {
if (!use_stdin_) std::fclose(fp_);
}
virtual bool ReadLine(std::string *out_data) {
if (end_of_file_) return false;
out_data->clear();
while (true) {
char c = std::fgetc(fp_);
if (c == EOF) {
end_of_file_ = true;
}
if (c != '\r' && c != '\n' && c != EOF) {
*out_data += c;
} else {
if (out_data->length() != 0) return true;
if (end_of_file_) return false;
}
}
return false;
}
private:
std::FILE *fp_;
bool use_stdin_;
bool end_of_file_;
};
class StdFile : public dmlc::IStream {
public:
explicit StdFile(const char *fname, const char *mode)
: use_stdio(false) {
using namespace std;
#ifndef XGBOOST_STRICT_CXX98_
if (!strcmp(fname, "stdin")) {
use_stdio = true; fp = stdin;
}
if (!strcmp(fname, "stdout")) {
use_stdio = true; fp = stdout;
}
#endif
if (!strncmp(fname, "file://", 7)) fname += 7;
if (!use_stdio) {
std::string flag = mode;
if (flag == "w") flag = "wb";
if (flag == "r") flag = "rb";
fp = utils::FopenCheck(fname, flag.c_str());
}
}
virtual ~StdFile(void) {
this->Close();
}
virtual size_t Read(void *ptr, size_t size) {
return std::fread(ptr, 1, size, fp);
}
virtual void Write(const void *ptr, size_t size) {
std::fwrite(ptr, size, 1, fp);
}
virtual void Seek(size_t pos) {
std::fseek(fp, static_cast<long>(pos), SEEK_SET);
}
virtual size_t Tell(void) {
return std::ftell(fp);
}
virtual bool AtEnd(void) const {
return std::feof(fp) != 0;
}
inline void Close(void) {
if (fp != NULL && !use_stdio) {
std::fclose(fp); fp = NULL;
}
}
private:
std::FILE *fp;
bool use_stdio;
};
} // namespace utils
} // namespace xgboost
namespace dmlc {
InputSplit* InputSplit::Create(const char *uri,
unsigned part,
unsigned nsplit) {
using namespace xgboost;
const char *msg = "xgboost is compiled in local mode\n"\
"to use hdfs, s3 or distributed version, compile with make dmlc=1";
utils::Check(strncmp(uri, "s3://", 5) != 0, msg);
utils::Check(strncmp(uri, "hdfs://", 7) != 0, msg);
utils::Check(nsplit == 1, msg);
return new utils::SingleFileSplit(uri);
}
IStream *IStream::Create(const char *uri, const char * const flag) {
using namespace xgboost;
const char *msg = "xgboost is compiled in local mode\n"\
"to use hdfs, s3 or distributed version, compile with make dmlc=1";
utils::Check(strncmp(uri, "s3://", 5) != 0, msg);
utils::Check(strncmp(uri, "hdfs://", 7) != 0, msg);
return new utils::StdFile(uri, flag);
}
} // namespace dmlc

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@ -16,7 +16,10 @@ namespace xgboost {
namespace io {
DataMatrix* LoadDataMatrix(const char *fname, bool silent,
bool savebuffer, bool loadsplit) {
if (!std::strcmp(fname, "stdin") || loadsplit) {
if (!std::strcmp(fname, "stdin") ||
!std::strncmp(fname, "s3://", 5) ||
!std::strncmp(fname, "hdfs://", 7) ||
loadsplit) {
DMatrixSimple *dmat = new DMatrixSimple();
dmat->LoadText(fname, silent, loadsplit);
return dmat;

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@ -90,11 +90,11 @@ class DMatrixSimple : public DataMatrix {
rank = rabit::GetRank();
npart = rabit::GetWorldSize();
}
rabit::io::InputSplit *in =
rabit::io::CreateInputSplit(uri, rank, npart);
dmlc::InputSplit *in =
dmlc::InputSplit::Create(uri, rank, npart);
this->Clear();
std::string line;
while (in->NextLine(&line)) {
while (in->ReadLine(&line)) {
float label;
std::istringstream ss(line);
std::vector<RowBatch::Entry> feats;

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@ -193,7 +193,7 @@ class BoostLearner : public rabit::ISerializable {
* \param fname file name
*/
inline void LoadModel(const char *fname) {
utils::IStream *fi = rabit::io::CreateStream(fname, "r");
utils::IStream *fi = utils::IStream::Create(fname, "r");
std::string header; header.resize(4);
// check header for different binary encode
// can be base64 or binary
@ -207,7 +207,7 @@ class BoostLearner : public rabit::ISerializable {
this->LoadModel(*fi);
} else {
delete fi;
fi = rabit::io::CreateStream(fname, "r");
fi = utils::IStream::Create(fname, "r");
this->LoadModel(*fi);
}
delete fi;
@ -224,7 +224,7 @@ class BoostLearner : public rabit::ISerializable {
* \param save_base64 whether save in base64 format
*/
inline void SaveModel(const char *fname, bool save_base64 = false) const {
utils::IStream *fo = rabit::io::CreateStream(fname, "w");
utils::IStream *fo = utils::IStream::Create(fname, "w");
if (save_base64 != 0 || !strcmp(fname, "stdout")) {
fo->Write("bs64\t", 5);
utils::Base64OutStream bout(fo);

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@ -7,7 +7,6 @@
* \author Tianqi Chen
*/
#include "../../subtree/rabit/include/rabit.h"
#include "../../subtree/rabit/rabit-learn/io/io.h"
#endif // XGBOOST_SYNC_H_

264
src/utils/base64-inl.h Normal file
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@ -0,0 +1,264 @@
#ifndef XGBOOST_UTILS_BASE64_INL_H_
#define XGBOOST_UTILS_BASE64_INL_H_
/*!
* \file base64.h
* \brief data stream support to input and output from/to base64 stream
* base64 is easier to store and pass as text format in mapreduce
* \author Tianqi Chen
*/
#include <cctype>
#include <cstdio>
#include "./io.h"
namespace xgboost {
namespace utils {
/*! \brief buffer reader of the stream that allows you to get */
class StreamBufferReader {
public:
StreamBufferReader(size_t buffer_size)
:stream_(NULL),
read_len_(1), read_ptr_(1) {
buffer_.resize(buffer_size);
}
/*!
* \brief set input stream
*/
inline void set_stream(IStream *stream) {
stream_ = stream;
read_len_ = read_ptr_ = 1;
}
/*!
* \brief allows quick read using get char
*/
inline char GetChar(void) {
while (true) {
if (read_ptr_ < read_len_) {
return buffer_[read_ptr_++];
} else {
read_len_ = stream_->Read(&buffer_[0], buffer_.length());
if (read_len_ == 0) return EOF;
read_ptr_ = 0;
}
}
}
/*! \brief whether we are reaching the end of file */
inline bool AtEnd(void) const {
return read_len_ == 0;
}
private:
/*! \brief the underlying stream */
IStream *stream_;
/*! \brief buffer to hold data */
std::string buffer_;
/*! \brief length of valid data in buffer */
size_t read_len_;
/*! \brief pointer in the buffer */
size_t read_ptr_;
};
/*! \brief namespace of base64 decoding and encoding table */
namespace base64 {
const char DecodeTable[] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
62, // '+'
0, 0, 0,
63, // '/'
52, 53, 54, 55, 56, 57, 58, 59, 60, 61, // '0'-'9'
0, 0, 0, 0, 0, 0, 0,
0, 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, // 'A'-'Z'
0, 0, 0, 0, 0, 0,
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, // 'a'-'z'
};
static const char EncodeTable[] =
"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
} // namespace base64
/*! \brief the stream that reads from base64, note we take from file pointers */
class Base64InStream: public IStream {
public:
explicit Base64InStream(IStream *fs) : reader_(256) {
reader_.set_stream(fs);
num_prev = 0; tmp_ch = 0;
}
/*!
* \brief initialize the stream position to beginning of next base64 stream
* call this function before actually start read
*/
inline void InitPosition(void) {
// get a charater
do {
tmp_ch = reader_.GetChar();
} while (isspace(tmp_ch));
}
/*! \brief whether current position is end of a base64 stream */
inline bool IsEOF(void) const {
return num_prev == 0 && (tmp_ch == EOF || isspace(tmp_ch));
}
virtual size_t Read(void *ptr, size_t size) {
using base64::DecodeTable;
if (size == 0) return 0;
// use tlen to record left size
size_t tlen = size;
unsigned char *cptr = static_cast<unsigned char*>(ptr);
// if anything left, load from previous buffered result
if (num_prev != 0) {
if (num_prev == 2) {
if (tlen >= 2) {
*cptr++ = buf_prev[0];
*cptr++ = buf_prev[1];
tlen -= 2;
num_prev = 0;
} else {
// assert tlen == 1
*cptr++ = buf_prev[0]; --tlen;
buf_prev[0] = buf_prev[1];
num_prev = 1;
}
} else {
// assert num_prev == 1
*cptr++ = buf_prev[0]; --tlen; num_prev = 0;
}
}
if (tlen == 0) return size;
int nvalue;
// note: everything goes with 4 bytes in Base64
// so we process 4 bytes a unit
while (tlen && tmp_ch != EOF && !isspace(tmp_ch)) {
// first byte
nvalue = DecodeTable[tmp_ch] << 18;
{
// second byte
utils::Check((tmp_ch = reader_.GetChar(), tmp_ch != EOF && !isspace(tmp_ch)),
"invalid base64 format");
nvalue |= DecodeTable[tmp_ch] << 12;
*cptr++ = (nvalue >> 16) & 0xFF; --tlen;
}
{
// third byte
utils::Check((tmp_ch = reader_.GetChar(), tmp_ch != EOF && !isspace(tmp_ch)),
"invalid base64 format");
// handle termination
if (tmp_ch == '=') {
utils::Check((tmp_ch = reader_.GetChar(), tmp_ch == '='), "invalid base64 format");
utils::Check((tmp_ch = reader_.GetChar(), tmp_ch == EOF || isspace(tmp_ch)),
"invalid base64 format");
break;
}
nvalue |= DecodeTable[tmp_ch] << 6;
if (tlen) {
*cptr++ = (nvalue >> 8) & 0xFF; --tlen;
} else {
buf_prev[num_prev++] = (nvalue >> 8) & 0xFF;
}
}
{
// fourth byte
utils::Check((tmp_ch = reader_.GetChar(), tmp_ch != EOF && !isspace(tmp_ch)),
"invalid base64 format");
if (tmp_ch == '=') {
utils::Check((tmp_ch = reader_.GetChar(), tmp_ch == EOF || isspace(tmp_ch)),
"invalid base64 format");
break;
}
nvalue |= DecodeTable[tmp_ch];
if (tlen) {
*cptr++ = nvalue & 0xFF; --tlen;
} else {
buf_prev[num_prev ++] = nvalue & 0xFF;
}
}
// get next char
tmp_ch = reader_.GetChar();
}
if (kStrictCheck) {
utils::Check(tlen == 0, "Base64InStream: read incomplete");
}
return size - tlen;
}
virtual void Write(const void *ptr, size_t size) {
utils::Error("Base64InStream do not support write");
}
private:
StreamBufferReader reader_;
int tmp_ch;
int num_prev;
unsigned char buf_prev[2];
// whether we need to do strict check
static const bool kStrictCheck = false;
};
/*! \brief the stream that write to base64, note we take from file pointers */
class Base64OutStream: public IStream {
public:
explicit Base64OutStream(IStream *fp) : fp(fp) {
buf_top = 0;
}
virtual void Write(const void *ptr, size_t size) {
using base64::EncodeTable;
size_t tlen = size;
const unsigned char *cptr = static_cast<const unsigned char*>(ptr);
while (tlen) {
while (buf_top < 3 && tlen != 0) {
buf[++buf_top] = *cptr++; --tlen;
}
if (buf_top == 3) {
// flush 4 bytes out
PutChar(EncodeTable[buf[1] >> 2]);
PutChar(EncodeTable[((buf[1] << 4) | (buf[2] >> 4)) & 0x3F]);
PutChar(EncodeTable[((buf[2] << 2) | (buf[3] >> 6)) & 0x3F]);
PutChar(EncodeTable[buf[3] & 0x3F]);
buf_top = 0;
}
}
}
virtual size_t Read(void *ptr, size_t size) {
utils::Error("Base64OutStream do not support read");
return 0;
}
/*!
* \brief finish writing of all current base64 stream, do some post processing
* \param endch charater to put to end of stream, if it is EOF, then nothing will be done
*/
inline void Finish(char endch = EOF) {
using base64::EncodeTable;
if (buf_top == 1) {
PutChar(EncodeTable[buf[1] >> 2]);
PutChar(EncodeTable[(buf[1] << 4) & 0x3F]);
PutChar('=');
PutChar('=');
}
if (buf_top == 2) {
PutChar(EncodeTable[buf[1] >> 2]);
PutChar(EncodeTable[((buf[1] << 4) | (buf[2] >> 4)) & 0x3F]);
PutChar(EncodeTable[(buf[2] << 2) & 0x3F]);
PutChar('=');
}
buf_top = 0;
if (endch != EOF) PutChar(endch);
this->Flush();
}
private:
IStream *fp;
int buf_top;
unsigned char buf[4];
std::string out_buf;
const static size_t kBufferSize = 256;
inline void PutChar(char ch) {
out_buf += ch;
if (out_buf.length() >= kBufferSize) Flush();
}
inline void Flush(void) {
if (out_buf.length() != 0) {
fp->Write(&out_buf[0], out_buf.length());
out_buf.clear();
}
}
};
} // namespace utils
} // namespace rabit
#endif // RABIT_LEARN_UTILS_BASE64_INL_H_

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@ -18,8 +18,6 @@ typedef rabit::IStream IStream;
typedef rabit::utils::ISeekStream ISeekStream;
typedef rabit::utils::MemoryFixSizeBuffer MemoryFixSizeBuffer;
typedef rabit::utils::MemoryBufferStream MemoryBufferStream;
typedef rabit::io::Base64InStream Base64InStream;
typedef rabit::io::Base64OutStream Base64OutStream;
/*! \brief implementation of file i/o stream */
class FileStream : public ISeekStream {
@ -54,4 +52,6 @@ class FileStream : public ISeekStream {
};
} // namespace utils
} // namespace xgboost
#include "./base64-inl.h"
#endif