int main(int argc, const char ** argv) {
print_copyright();
/* CE_Graph initialization will read the command line
arguments and the configuration file. */
CE_Graph_init(argc, argv);
/* Metrics object for keeping track of performance counters
and other information. Currently required. */
metrics m("item-cf2");
/* Basic arguments for application */
min_allowed_intersection = get_option_int("min_allowed_intersection", min_allowed_intersection);
distance_metric = get_option_int("distance", JACCARD_WEIGHT);
if (distance_metric != JACCARD_WEIGHT)
logstream(LOG_FATAL)<<"--distance_metrix=XX should be one of:9= JACCARD_WEIGHT" << std::endl;
debug = get_option_int("debug", 0);
parse_command_line_args();
//if (distance_metric != JACKARD && distance_metric != AA && distance_metric != RA)
// logstream(LOG_FATAL)<<"Wrong distance metric. --distance_metric=XX, where XX should be either 0) JACKARD, 1) AA, 2) RA" << std::endl;
mytimer.start();
int nshards = convert_matrixmarket<EdgeDataType>(training, 0, 0, 3, TRAINING, true);
assert(M > 0 && N > 0);
//initialize data structure which saves a subset of the items (pivots) in memory
adjcontainer = new adjlist_container();
/* Run */
ItemDistanceProgram program;
CE_Graph_engine<VertexDataType, EdgeDataType> engine(training, nshards, true, m);
set_engine_flags(engine);
//open output files as the number of operating threads
out_files.resize(number_of_omp_threads());
for (uint i=0; i< out_files.size(); i++){
char buf[256];
sprintf(buf, "%s.out%d", training.c_str(), i);
out_files[i] = open_file(buf, "w");
}
//run the program
engine.run(program, niters);
/* Report execution metrics */
if (!quiet)
metrics_report(m);
std::cout<<"Total item pairs compared: " << item_pairs_compared << " total written to file: " << written_pairs << std::endl;
for (uint i=0; i< out_files.size(); i++)
fclose(out_files[i]);
std::cout<<"Created output files with the format: " << training << ".outXX, where XX is the output thread number" << std::endl;
return 0;
}
int main(int argc, const char ** argv) {
print_copyright();
/* GraphChi initialization will read the command line
arguments and the configuration file. */
graphchi_init(argc, argv);
/* Metrics object for keeping track of performance counters
and other information. Currently required. */
metrics m("itemsim2rating2");
/* Basic arguments for application */
min_allowed_intersection = get_option_int("min_allowed_intersection", min_allowed_intersection);
debug = get_option_int("debug", 0);
parse_command_line_args();
std::string similarity = get_option_string("similarity", "");
if (similarity == "")
Rcpp::Rcerr<<"Missing similarity input file. Please specify one using the --similarity=filename command line flag" << std::endl;
undirected = get_option_int("undirected", 1);
Q = get_option_float("Q", Q);
K = get_option_int("K");
mytimer.start();
vec unused;
int nshards = convert_matrixmarket_and_item_similarity<edge_data>(training, similarity, 3, unused);
assert(M > 0 && N > 0);
//initialize data structure which saves a subset of the items (pivots) in memory
adjcontainer = new adjlist_container();
//array for marking which items are conected to the pivot items via users.
relevant_items = new bool[N];
/* Run */
ItemDistanceProgram program;
graphchi_engine<VertexDataType, edge_data> engine(training, nshards, true, m);
set_engine_flags(engine);
out_file = open_file((training + "-rec").c_str(), "w");
//run the program
engine.run(program, niters);
/* Report execution metrics */
if (!quiet)
metrics_report(m);
Rcpp::Rcout<<"Total item pairs compared: " << item_pairs_compared << " total written to file: " << written_pairs << std::endl;
if (zero_edges)
Rcpp::Rcout<<"Found: " << zero_edges<< " user edges with weight zero. Those are ignored." <<std::endl;
delete[] relevant_items;
fclose(out_file);
return 0;
}
int main(int argc, const char ** argv) {
//* GraphChi initialization will read the command line arguments and the configuration file. */
graphchi_init(argc, argv);
/* Metrics object for keeping track of performance counters
and other information. Currently required. */
metrics m("climf-inmemory-factors");
/* Basic arguments for application. NOTE: File will be automatically 'sharded'. */
sgd_lambda = get_option_float("sgd_lambda", 1e-3);
sgd_gamma = get_option_float("sgd_gamma", 1e-4);
sgd_step_dec = get_option_float("sgd_step_dec", 1.0);
binary_relevance_thresh = get_option_float("binary_relevance_thresh", 0);
halt_on_mrr_decrease = get_option_int("halt_on_mrr_decrease", 0);
num_ratings = get_option_int("num_ratings", 10000); //number of top predictions over which we compute actual MRR
verbose = get_option_int("verbose", 0);
debug = get_option_int("debug", 0);
parse_command_line_args();
parse_implicit_command_line();
/* Preprocess data if needed, or discover preprocess files */
bool allow_square = false;
int nshards = convert_matrixmarket<EdgeDataType>(training, 0, 0, 3, TRAINING, allow_square);
init_feature_vectors<std::vector<vertex_data> >(M+N, latent_factors_inmem, !load_factors_from_file, 0.01);
if (validation != ""){
int vshards = convert_matrixmarket<EdgeDataType>(validation, 0, 0, 3, VALIDATION);
init_mrr_engine<VertexDataType, EdgeDataType>(pvalidation_engine, vshards);
}
if (load_factors_from_file)
{
load_matrix_market_matrix(training + "_U.mm", 0, D);
load_matrix_market_matrix(training + "_V.mm", M, D);
}
print_config();
/* Run */
SGDVerticesInMemProgram program;
graphchi_engine<VertexDataType, EdgeDataType> engine(training, nshards, false, m);
set_engine_flags(engine);
pengine = &engine;
engine.run(program, niters);
/* Output latent factor matrices in matrix-market format */
output_sgd_result(training);
test_predictions(&climf_predict);
/* Report execution metrics */
if (!quiet)
metrics_report(m);
return 0;
}
binary_adjacency_list_writer(std::string filename) : filename(filename) {
bufsize = (int) get_option_int("preprocessing.bufsize", 64 * 1024 * 1024);
assert(bufsize > 1024 * 1024);
fd = open(filename.c_str(), O_WRONLY | O_CREAT, S_IROTH | S_IWOTH | S_IWUSR | S_IRUSR);
if (fd < 0) {
logstream(LOG_FATAL) << "Could not open file " << filename << " for writing. " <<
" Error: " << strerror(errno) << std::endl;
}
int res = ftruncate(fd, 0);
if (res != 0) {
logstream(LOG_FATAL) << "Could not truncate file " << filename <<
" Error: " << strerror(errno) << std::endl;
}
assert(res == 0);
header.format_version = FORMAT_VERSION;
header.max_vertex_id = 0;
header.contains_edge_values = false;
header.numedges = 0;
header.edge_value_size = (uint32_t) sizeof(EdgeDataType);
buf = (char*) malloc(bufsize);
bufptr = buf;
bwrite<bin_adj_header>(fd, buf, bufptr, header);
counter = 0;
lastid = 0;
initialized = false;
assert(fd >= 0);
}
int main(int argc, const char ** argv) {
print_copyright();
/* GraphChi initialization will read the command line
arguments and the configuration file. */
graphchi_init(argc, argv);
/* Metrics object for keeping track of performance counters
and other information. Currently required. */
metrics m("als-inmemory-factors");
lambda = get_option_float("lambda", 0.065);
user_sparsity = get_option_float("user_sparsity", 0.9);
movie_sparsity = get_option_float("movie_sparsity", 0.9);
algorithm = get_option_int("algorithm", SPARSE_USR_FACTOR);
parse_command_line_args();
parse_implicit_command_line();
if (user_sparsity < 0.5 || user_sparsity >= 1)
logstream(LOG_FATAL)<<"Sparsity level should be [0.5,1). Please run again using --user_sparsity=XX in this range" << std::endl;
if (movie_sparsity < 0.5 || movie_sparsity >= 1)
logstream(LOG_FATAL)<<"Sparsity level should be [0.5,1). Please run again using --movie_sparsity=XX in this range" << std::endl;
if (algorithm != SPARSE_USR_FACTOR && algorithm != SPARSE_BOTH_FACTORS && algorithm != SPARSE_ITM_FACTOR)
logstream(LOG_FATAL)<<"Algorithm should be 1 for SPARSE_USR_FACTOR, 2 for SPARSE_ITM_FACTOR and 3 for SPARSE_BOTH_FACTORS" << std::endl;
/* Preprocess data if needed, or discover preprocess files */
int nshards = convert_matrixmarket<EdgeDataType>(training);
init_feature_vectors<std::vector<vertex_data> >(M+N, latent_factors_inmem, !load_factors_from_file);
if (validation != ""){
int vshards = convert_matrixmarket<EdgeDataType>(validation, 0, 0, 3, VALIDATION);
init_validation_rmse_engine<VertexDataType, EdgeDataType>(pvalidation_engine, vshards, &sparse_als_predict);
}
if (load_factors_from_file){
load_matrix_market_matrix(training + "_U.mm", 0, D);
load_matrix_market_matrix(training + "_V.mm", M, D);
}
/* Run */
ALSVerticesInMemProgram program;
graphchi_engine<VertexDataType, EdgeDataType> engine(training, nshards, false, m);
set_engine_flags(engine);
pengine = &engine;
engine.run(program, niters);
/* Output latent factor matrices in matrix-market format */
output_als_result(training);
test_predictions(&sparse_als_predict);
/* Report execution metrics */
if (!quiet)
metrics_report(m);
return 0;
}
int main(int argc, const char ** argv) {
print_copyright();
//* GraphChi initialization will read the command line arguments and the configuration file. */
graphchi_init(argc, argv);
/* Metrics object for keeping track of performance counters
and other information. Currently required. */
metrics m("rbm-inmemory-factors");
/* Basic arguments for RBM algorithm */
rbm_bins = get_option_int("rbm_bins", rbm_bins);
rbm_alpha = get_option_float("rbm_alpha", rbm_alpha);
rbm_beta = get_option_float("rbm_beta", rbm_beta);
rbm_mult_step_dec = get_option_float("rbm_mult_step_dec", rbm_mult_step_dec);
rbm_scaling = get_option_float("rbm_scaling", rbm_scaling);
parse_command_line_args();
parse_implicit_command_line();
mytimer.start();
/* Preprocess data if needed, or discover preprocess files */
int nshards = convert_matrixmarket<float>(training);
rbm_init();
if (validation != "") {
int vshards = convert_matrixmarket<EdgeDataType>(validation, 0, 0, 3, VALIDATION);
init_validation_rmse_engine<VertexDataType, EdgeDataType>(pvalidation_engine, vshards, &rbm_predict);
}
/* load initial state from disk (optional) */
if (load_factors_from_file) {
load_matrix_market_matrix(training + "_U.mm", 0, 3*D);
load_matrix_market_matrix(training + "_V.mm", M, rbm_bins*(D+1));
}
print_config();
/* Run */
RBMVerticesInMemProgram program;
graphchi_engine<VertexDataType, EdgeDataType> engine(training, nshards, false, m);
set_engine_flags(engine);
pengine = &engine;
engine.run(program, niters);
/* Output latent factor matrices in matrix-market format */
output_rbm_result(training);
test_predictions(&rbm_predict);
/* Report execution metrics */
if (!quiet)
metrics_report(m);
return 0;
}
/**
* Constructor
* @param base_filename base file prefix
*/
degree_data(std::string base_filename, stripedio * iomgr) : iomgr(iomgr), loaded_chunk(NULL) {
vertex_st = vertex_en = 0;
this->base_filename = base_filename;
use_mmap = get_option_int("mmap", 0); // Whether to mmap the degree file to memory
if (use_mmap) {
logstream(LOG_INFO) << "Use memory mapping for degree data." << std::endl;
}
open_file(base_filename);
}
int main(int argc, const char ** argv) {
print_copyright();
//* GraphChi initialization will read the command line arguments and the configuration file. */
graphchi_init(argc, argv);
/* Metrics object for keeping track of performance counters
and other information. Currently required. */
/* Basic arguments for application. NOTE: File will be automatically 'sharded'. */
beta = get_option_float("beta", 1);
debug = get_option_int("debug", 0);
parse_command_line_args();
parse_implicit_command_line();
D = 0; //no feature vector is needed
binary_relevance_threshold = 0; //treat all edge values as binary
/* Preprocess data if needed, or discover preprocess files */
int nshards = convert_matrixmarket<EdgeDataType>(training, 0, 0, 3, TRAINING, false);
init_feature_vectors<std::vector<vertex_data> >(M+N, latent_factors_inmem, !load_factors_from_file);
//read initial vector from file
std::cout << "Load CTR vector from file" << training << ":vec" << std::endl;
load_matrix_market_vector(training + ":vec", Y_POS, false, false);
mu_ij = zeros(M+N);
sigma_ij = ones(M+N);
if (validation != ""){
//read validation data (optional)
vshards = convert_matrixmarket<EdgeDataType>(validation, 0, 0, 3, VALIDATION, false);
validation_targets = load_matrix_market_vector(validation + ":vec", false, false);
Me = validation_targets.size();
}
print_config();
/* Run */
AdPredictorVerticesInMemProgram program;
metrics m("adpredictor");
graphchi_engine<VertexDataType, EdgeDataType> engine(training, nshards, false, m);
set_engine_flags(engine);
pengine = &engine;
engine.run(program, niters);
/* Output latent factor matrices in matrix-market format */
output_adpredictor_result(training);
/* Report execution metrics */
if (!quiet)
metrics_report(m);
return 0;
}
int main(int argc, const char ** argv) {
print_copyright();
/* GraphChi initialization will read the command line
arguments and the configuration file. */
graphchi_init(argc, argv);
/* Metrics object for keeping track of performance counters
and other information. Currently required. */
metrics m("pmf-inmemory-factors");
lambda = get_option_float("lambda", 0.065);
debug = get_option_int("debug", debug);
pmf_burn_in = get_option_int("pmf_burn_in", pmf_burn_in);
pmf_additional_output = get_option_int("pmf_additional_output", pmf_additional_output);
parse_command_line_args();
parse_implicit_command_line();
/* Preprocess data if needed, or discover preprocess files */
int nshards = convert_matrixmarket<edge_data>(training, NULL, 0, 0, 3, TRAINING, false);
init_feature_vectors<std::vector<vertex_data> >(M+N, latent_factors_inmem, !load_factors_from_file);
init_pmf();
if (load_factors_from_file){
load_matrix_market_matrix(training + "_U.mm", 0, D);
load_matrix_market_matrix(training + "_V.mm", M, D);
}
/* Run */
PMFVerticesInMemProgram program;
graphchi_engine<VertexDataType, EdgeDataType> engine(training, nshards, false, m);
set_engine_flags(engine, true);
pengine = &engine;
engine.run(program, niters);
/* Report execution metrics */
if (!quiet)
metrics_report(m);
return 0;
}
void parse_implicit_command_line(){
implicitratingweight = get_option_float("implicitratingweight", implicitratingweight);
implicitratingvalue = get_option_float("implicitratingvalue", implicitratingvalue);
implicitratingtype = get_option_int("implicitratingtype", implicitratingtype);
if (implicitratingtype != IMPLICIT_RATING_RANDOM && implicitratingtype != IMPLICIT_RATING_DISABLED)
logstream(LOG_FATAL)<<"Implicit rating type should be either 0 (IMPLICIT_RATING_DISABLED) or 1 (IMPLICIT_RATING_RANDOM)" << std::endl;
implicitratingpercentage = get_option_float("implicitratingpercentage", implicitratingpercentage);
if (implicitratingpercentage < 1e-8 && implicitratingpercentage > 0.8)
logstream(LOG_FATAL)<<"Implicit rating percentage should be (1e-8, 0.8)" << std::endl;
}
vertex_data_store(std::string base_filename, size_t nvertices, stripedio * iomgr) : iomgr(iomgr), loaded_chunk(NULL){
vertex_st = vertex_en = 0;
filename = filename_vertex_data<VertexDataType>(base_filename);
mmap_file = NULL;
last_nvertices = 0;
use_mmap = get_option_int("mmap", 0); // Whether to mmap the degree file to memory
if (use_mmap) {
logstream(LOG_INFO) << "Use memory mapping for vertex data." << std::endl;
check_size(nvertices);
} else {
check_size(nvertices);
open_file();
}
}
virtual void do_report(std::string name, std::string ident, std::map<std::string, metrics_entry> & entries) {
if (ident != name) {
fprintf(f, "[%s:%s]\n", name.c_str(), ident.c_str());
} else {
fprintf(f, "[%s]\n", name.c_str());
}
std::map<std::string, metrics_entry>::iterator it;
for(it = entries.begin(); it != entries.end(); ++it) {
metrics_entry ent = it->second;
switch(ent.valtype) {
case INTEGER:
fprintf(f, "%s.%s=%ld\n", ident.c_str(), it->first.c_str(), (long int) (ent.value));
fprintf(f, "%s.%s.count=%lu\n", ident.c_str(), it->first.c_str(), ent.count);
fprintf(f, "%s.%s.min=%ld\n", ident.c_str(), it->first.c_str(), (long int) (ent.minvalue));
fprintf(f, "%s.%s.max=%ld\n", ident.c_str(), it->first.c_str(), (long int) (ent.maxvalue));
fprintf(f, "%s.%s.avg=%lf\n", ident.c_str(), it->first.c_str(), ent.cumvalue/ent.count);
break;
case REAL:
case TIME:
fprintf(f, "%s.%s=%lf\n", ident.c_str(), it->first.c_str(), (ent.value));
fprintf(f, "%s.%s.count=%lu\n", ident.c_str(), it->first.c_str(), ent.count);
fprintf(f, "%s.%s.min=%lf\n", ident.c_str(), it->first.c_str(), (ent.minvalue));
fprintf(f, "%s.%s.max=%lf\n", ident.c_str(), it->first.c_str(), (ent.maxvalue));
fprintf(f, "%s.%s.avg=%lf\n", ident.c_str(), it->first.c_str(), ent.cumvalue/ent.count);
break;
case STRING:
fprintf(f, "%s.%s=%s\n", ident.c_str(), it->first.c_str(), it->second.stringval.c_str());
break;
case VECTOR:
break;
}
}
fflush(f);
fclose(f);
// Following code used only for research purposes.
if (get_option_int("metrics.insert_to_db", 0) == 1) {
std::string cmd = "python2.7 benchtodb.py " + filename;
int err = system(cmd.c_str());
if (err != 0) {
std::cout << "Error running the python script." << std::endl;
}
}
};
bool check_origfile_modification_earlier(std::string basefilename, int nshards) {
/* Compare last modified dates of the original graph and the shards */
if (file_exists(basefilename) && get_option_int("disable-modtime-check", 0) == 0) {
struct stat origstat, shardstat;
int err1 = stat(basefilename.c_str(), &origstat);
std::string adjfname = filename_shard_adj(basefilename, 0, nshards);
int err2 = stat(adjfname.c_str(), &shardstat);
if (err1 != 0 || err2 != 0) {
logstream(LOG_ERROR) << "Error when checking file modification times: " << strerror(errno) << std::endl;
return nshards;
}
if (origstat.st_mtime > shardstat.st_mtime) {
logstream(LOG_INFO) << "The input graph modification date was newer than of the shards." << std::endl;
logstream(LOG_INFO) << "Going to delete old shards and recreate new ones. To disable " << std::endl;
logstream(LOG_INFO) << "functionality, specify --disable-modtime-check=1" << std::endl;
// Delete shards
delete_shards<EdgeDataType>(basefilename, nshards);
// Delete the bin-file
std::string preprocfile = preprocess_filename<EdgeDataType>(basefilename);
if (file_exists(preprocfile)) {
logstream(LOG_DEBUG) << "Deleting: " << preprocfile << std::endl;
int err = remove(preprocfile.c_str());
if (err != 0) {
logstream(LOG_ERROR) << "Error deleting file: " << preprocfile << ", " <<
strerror(errno) << std::endl;
}
}
return false;
} else {
return true;
}
}
return true;
}
void parse_parser_command_line_arges(){
fc.string_features = get_option_string("features", fc.default_feature_str);
csv = get_option_int("csv", 0);
if (csv)
ptokens = csv_tokens;
file_columns = get_option_int("file_columns", file_columns); //get the number of columns in the edge file
//input sanity checks
if (file_columns < 3)
logstream(LOG_FATAL)<<"You must have at least 3 columns in input file: [from] [to] [value] on each line"<<std::endl;
if (file_columns >= FEATURE_WIDTH)
logstream(LOG_FATAL)<<"file_columns exceeds the allowed storage limit - please increase FEATURE_WIDTH and recompile." << std::endl;
fc.from_pos = get_option_int("from_pos", fc.from_pos);
fc.to_pos = get_option_int("to_pos", fc.to_pos);
fc.val_pos = get_option_int("val_pos", fc.val_pos);
if (fc.from_pos >= file_columns || fc.to_pos >= file_columns || fc.val_pos >= file_columns)
logstream(LOG_FATAL)<<"Please note that column numbering of from_pos, to_pos and val_pos starts from zero and should be smaller than file_columns" << std::endl;
if (fc.from_pos == fc.to_pos || fc.from_pos == fc.val_pos || fc.to_pos == fc.val_pos)
logstream(LOG_FATAL)<<"from_pos, to_pos and val_pos should have different values" << std::endl;
if (fc.val_pos == -1)
logstream(LOG_FATAL)<<"you must specify a target column using --val_pos=XXX. Colmn index starts from 0." << std::endl;
has_header_titles = get_option_int("has_header_titles", has_header_titles);
limit_rating= get_option_int("limit_rating", 0);
//parse features (optional)
if (fc.string_features != ""){
char * pfeatures = strdup(fc.string_features.c_str());
char * pch = strtok(pfeatures, ptokens);
int node = atoi(pch);
if (node < 0 || node >= MAX_FEATURES+3)
logstream(LOG_FATAL)<<"Feature id using the --features=XX command should be non negative, starting from zero"<<std::endl;
if (node >= file_columns)
logstream(LOG_FATAL)<<"Feature id using the --feature=XX command should be < file_columns (counting starts from zero)" << std::endl;
if (node == fc.from_pos || node == fc.to_pos || node == fc.val_pos)
logstream(LOG_FATAL)<<"Feature id " << node << " can not be equal to --from_pos, --to_pos or --val_pos " << std::endl;
fc.feature_selection[node] = true;
fc.total_features++;
while ((pch = strtok(NULL, ptokens))!= NULL){
node = atoi(pch);
if (node < 0 || node >= MAX_FEATURES+3)
logstream(LOG_FATAL)<<"Feature id using the --features=XX command should be non negative, starting from zero"<<std::endl;
fc.feature_selection[node] = true;
fc.total_features++;
}
}
train_only = get_option_int("train_only", 0);
validation_only = get_option_int("validation_only", 0);
fc.node_id_maps.resize(2+fc.total_features);
real_features_string = get_option_string("real_features", real_features_string);
//parse real features (optional)
if (real_features_string != ""){
int i=0;
char * pfeatures = strdup(real_features_string.c_str());
char * pch = strtok(pfeatures, ptokens);
int node = atoi(pch);
if (node < 0 || node >= MAX_FEATURES+3)
logstream(LOG_FATAL)<<"Feature id using the --real_features=XX command should be non negative, starting from zero"<<std::endl;
if (node >= file_columns)
logstream(LOG_FATAL)<<"Feature id using the --real_feature=XX command should be < file_columns (counting starts from zero)" << std::endl;
if (node == fc.from_pos || node == fc.to_pos || node == fc.val_pos)
logstream(LOG_FATAL)<<"Feature id " << node << " can not be equal to --from_pos, --to_pos or --val_pos " << std::endl;
fc.real_features_indicators[node] = true;
fc.feature_positions[node] = i;
i++;
while ((pch = strtok(NULL, ptokens))!= NULL){
node = atoi(pch);
if (node < 0 || node >= MAX_FEATURES+3)
logstream(LOG_FATAL)<<"Feature id using the --real_features=XX command should be non negative, starting from zero"<<std::endl;
fc.real_features_indicators[node] = true;
fc.feature_positions[node] = i;
i++;
}
}
}
int main(int argc, const char ** argv) {
print_copyright();
/* GraphChi initialization will read the command line
arguments and the configuration file. */
graphchi_init(argc, argv);
/* Metrics object for keeping track of performance counters
and other information. Currently required. */
metrics m("item-cf");
/* Basic arguments for application */
min_allowed_intersection = get_option_int("min_allowed_intersection", min_allowed_intersection);
distance_metric = get_option_int("distance", JACCARD);
asym_cosine_alpha = get_option_float("asym_cosine_alpha", 0.5);
debug = get_option_int("debug", debug);
if (distance_metric != JACCARD && distance_metric != AA && distance_metric != RA && distance_metric != ASYM_COSINE && distance_metric != PROB)
logstream(LOG_FATAL)<<"Wrong distance metric. --distance_metric=XX, where XX should be either 0= JACCARD, 1= AA, 2= RA, 3= ASYM_COSINE, 4 = PROB" << std::endl;
parse_command_line_args();
mytimer.start();
int nshards = convert_matrixmarket<EdgeDataType>(training, 0, 0, 3, TRAINING, false);
if (nshards != 1)
logstream(LOG_FATAL)<<"This application currently supports only 1 shard" << std::endl;
K = get_option_int("K", K);
if (K <= 0)
logstream(LOG_FATAL)<<"Please specify the number of ratings to generate for each user using the --K command" << std::endl;
logstream(LOG_INFO) << "M = " << M << std::endl;
assert(M > 0 && N > 0);
//initialize data structure which saves a subset of the items (pivots) in memory
adjcontainer = new adjlist_container();
//array for marking which items are conected to the pivot items via users.
relevant_items = new bool[N];
//store node degrees in an array to be used for AA distance metric
if (distance_metric == AA || distance_metric == RA || distance_metric == PROB)
latent_factors_inmem.resize(M);
if (distance_metric == PROB)
prob_sim_normalization_constant = (double)L / (double)(M*N-L);
/* Run */
ItemDistanceProgram program;
graphchi_engine<VertexDataType, EdgeDataType> engine(training, 1, true, m);
set_engine_flags(engine);
engine.set_maxwindow(M+N+1);
//open output files as the number of operating threads
out_files.resize(number_of_omp_threads());
for (uint i=0; i< out_files.size(); i++){
char buf[256];
sprintf(buf, "%s.out%d", training.c_str(), i);
out_files[i] = open_file(buf, "w");
}
//run the program
engine.run(program, niters);
/* Report execution metrics */
if (!quiet)
metrics_report(m);
std::cout<<"Total item pairs compared: " << item_pairs_compared << " total written to file: " << sum(written_pairs) << " pairs with zero distance: " << zero_dist << std::endl;
if (not_enough)
logstream(LOG_WARNING)<<"Items that did not have enough similar items: " << not_enough << std::endl;
for (uint i=0; i< out_files.size(); i++)
fclose(out_files[i]);
delete[] relevant_items;
/* write the matrix market info header to be used later */
FILE * pmm = fopen((training + "-topk:info").c_str(), "w");
if (pmm == NULL)
logstream(LOG_FATAL)<<"Failed to open " << training << ":info to file" << std::endl;
fprintf(pmm, "%%%%MatrixMarket matrix coordinate real general\n");
fprintf(pmm, "%u %u %u\n", N, N, (unsigned int)sum(written_pairs));
fclose(pmm);
/* sort output files */
logstream(LOG_INFO)<<"Going to sort and merge output files " << std::endl;
std::string dname= dirname(strdup(argv[0]));
system(("bash " + dname + "/topk.sh " + std::string(basename(strdup(training.c_str())))).c_str());
return 0;
}
int main(int argc, const char ** argv) {
print_copyright();
/* GraphChi initialization will read the command line
arguments and the configuration file. */
graphchi_init(argc, argv);
/* Metrics object for keeping track of performance counters
and other information. Currently required. */
metrics m("itemsim2rating2");
/* Basic arguments for application */
min_allowed_intersection = get_option_int("min_allowed_intersection", min_allowed_intersection);
debug = get_option_int("debug", 0);
parse_command_line_args();
std::string similarity = get_option_string("similarity", "");
if (similarity == "")
logstream(LOG_FATAL)<<"Missing similarity input file. Please specify one using the --similarity=filename command line flag" << std::endl;
undirected = get_option_int("undirected", 0);
mytimer.start();
int nshards = convert_matrixmarket_and_item_similarity<edge_data>(training, similarity, 3, °rees);
assert(M > 0 && N > 0);
prob_sim_normalization_constant = (double)L / (double)(M*N-L);
//initialize data structure which saves a subset of the items (pivots) in memory
adjcontainer = new adjlist_container();
//array for marking which items are conected to the pivot items via users.
relevant_items = new bool[N];
/* Run */
ItemDistanceProgram program;
graphchi_engine<VertexDataType, edge_data> engine(training, nshards, true, m);
set_engine_flags(engine);
//open output files as the number of operating threads
out_files.resize(number_of_omp_threads());
for (uint i=0; i< out_files.size(); i++){
char buf[256];
sprintf(buf, "%s-rec.out%d", training.c_str(), i);
out_files[i] = open_file(buf, "w");
}
K = get_option_int("K");
assert(K > 0);
//run the program
engine.run(program, niters);
for (uint i=0; i< out_files.size(); i++)
fclose(out_files[i]);
delete[] relevant_items;
/* Report execution metrics */
if (!quiet)
metrics_report(m);
std::cout<<"Total item pairs compared: " << item_pairs_compared << " total written to file: " << sum(written_pairs) << std::endl;
logstream(LOG_INFO)<<"Going to sort and merge output files " << std::endl;
std::string dname= dirname(strdup(argv[0]));
system(("bash " + dname + "/topk.sh " + std::string(basename(strdup((training+"-rec").c_str())))).c_str());
return 0;
}
int main(int argc, const char ** argv) {
print_copyright();
/* GraphChi initialization will read the command line
arguments and the configuration file. */
graphchi_init(argc, argv);
/* Metrics object for keeping track of performance counters
and other information. Currently required. */
metrics m("label_propagation");
alpha = get_option_float("alpha", alpha);
debug = get_option_int("debug", debug);
parse_command_line_args();
//load graph (adj matrix) from file
int nshards = convert_matrixmarket<EdgeDataType>(training, 0, 0, 3, TRAINING, true);
if (M != N)
logstream(LOG_FATAL)<<"Label propagation supports only square matrices" << std::endl;
init_feature_vectors<std::vector<vertex_data> >(M, latent_factors_inmem, false);
//load seed initialization from file
load_matrix_market_matrix(training + ".seeds", 0, D);
#pragma omp parallel for
for (int i=0; i< (int)M; i++){
//normalize seed probabilities to sum up to one
if (latent_factors_inmem[i].seed){
assert(sum(latent_factors_inmem[i].pvec) != 0);
latent_factors_inmem[i].pvec /= sum(latent_factors_inmem[i].pvec);
continue;
}
//other nodes get random label probabilities
for (int j=0; j< D; j++)
latent_factors_inmem[i].pvec[j] = drand48();
}
/* load initial state from disk (optional) */
if (load_factors_from_file){
load_matrix_market_matrix(training + "_U.mm", 0, D);
}
/* Run */
LPVerticesInMemProgram program;
graphchi_engine<VertexDataType, EdgeDataType> engine(training, nshards, false, m);
set_engine_flags(engine);
pengine = &engine;
engine.run(program, niters);
/* Output latent factor matrices in matrix-market format */
output_lp_result(training);
/* Report execution metrics */
if (!quiet)
metrics_report(m);
return 0;
}
int main(int argc, const char ** argv) {
print_copyright();
/* GraphChi initialization will read the command line
arguments and the configuration file. */
graphchi_init(argc, argv);
/* Metrics object for keeping track of performance counters
and other information. Currently required. */
metrics m("libfm");
//specific command line parameters for libfm
libfm_rate = get_option_float("libfm_rate", libfm_rate);
libfm_regw = get_option_float("libfm_regw", libfm_regw);
libfm_regv = get_option_float("libfm_regv", libfm_regv);
libfm_mult_dec = get_option_float("libfm_mult_dec", libfm_mult_dec);
D = get_option_int("D", D);
parse_command_line_args();
parse_implicit_command_line();
/* Preprocess data if needed, or discover preprocess files */
int nshards = convert_matrixmarket4<edge_data>(training, false);
init_libfm();
if (validation != ""){
int vshards = convert_matrixmarket4<EdgeDataType>(validation, true, M==N, VALIDATION);
init_validation_rmse_engine<VertexDataType, EdgeDataType>(pvalidation_engine, vshards, &libfm_predict, false, true, 1);
}
if (load_factors_from_file){
load_matrix_market_matrix(training + "_U.mm", 0, D);
load_matrix_market_matrix(training + "_V.mm", M, D);
load_matrix_market_matrix(training + "_T.mm", M+N, D);
load_matrix_market_matrix(training + "_L.mm", M+N+K, D);
vec user_bias = load_matrix_market_vector(training +"_U_bias.mm", false, true);
vec item_bias = load_matrix_market_vector(training +"_V_bias.mm", false, true);
vec time_bias = load_matrix_market_vector(training+ "_T_bias.mm", false, true);
vec last_item_bias = load_matrix_market_vector(training+"_L_bias.m", false, true);
for (uint i=0; i<M+N+K+M; i++){
if (i < M)
latent_factors_inmem[i].bias = user_bias[i];
else if (i <M+N)
latent_factors_inmem[i].bias = item_bias[i-M];
else if (i <M+N+K)
latent_factors_inmem[i].bias = time_bias[i-M-N];
else
latent_factors_inmem[i].bias = last_item_bias[i-M-N-K];
}
vec gm = load_matrix_market_vector(training + "_global_mean.mm", false, true);
globalMean = gm[0];
}
/* Run */
LIBFMVerticesInMemProgram program;
graphchi_engine<VertexDataType, EdgeDataType> engine(training, nshards, false, m);
set_engine_flags(engine);
pengine = &engine;
engine.run(program, niters);
/* Output test predictions in matrix-market format */
output_libfm_result(training);
test_predictions3(&libfm_predict, 1);
/* Report execution metrics */
if (!quiet)
metrics_report(m);
return 0;
}
int main(int argc, const char ** argv) {
// print_copyright();
write_copyright();
//* GraphChi initialization will read the command line arguments and the configuration file. */
graphchi_init(argc, argv);
/* Metrics object for keeping track of performance counters
and other information. Currently required. */
metrics m("sgd-inmemory-factors");
/* Basic arguments for application. NOTE: File will be automatically 'sharded'. */
sgd_lambda = get_option_float("sgd_lambda", 1e-3);
sgd_gamma = get_option_float("sgd_gamma", 1e-3);
sgd_step_dec = get_option_float("sgd_step_dec", 0.9);
int file_format = get_option_int("ff", 3);
parse_command_line_args();
parse_implicit_command_line();
/* Preprocess data if needed, or discover preprocess files */
int nshards = convert_matrixmarket<EdgeDataType>(training, 0, 0, file_format, TRAINING, false);
init_feature_vectors<std::vector<vertex_data> >(M+N, latent_factors_inmem, !load_factors_from_file);
if (validation != ""){
int vshards = convert_matrixmarket<EdgeDataType>(validation, 0, 0, 3, VALIDATION, false);
init_validation_rmse_engine<VertexDataType, EdgeDataType>(pvalidation_engine, vshards, &sgd_predict);
}
/* load initial state from disk (optional) */
if (load_factors_from_file){
load_matrix_market_matrix(training + "_U.mm", 0, D);
load_matrix_market_matrix(training + "_V.mm", M, D);
}
print_config();
/* Run */
SGDVerticesInMemProgram program;
graphchi_engine<VertexDataType, EdgeDataType> engine(training, nshards, false, m);
set_engine_flags(engine);
pengine = &engine;
timer train_timer;
engine.run(program, niters);
// std::cout << "Trn Time for file test: " << std::setw(10) << train_timer.current_time() / niters << std::endl;
std::ofstream ofs(result.c_str(), std::ofstream::out | std::ofstream::app);
ofs << D << " " << train_timer.current_time() << " ";
/* Run TopN program */
n_top = get_option_int("n_int", 10);
/*timer test_timer1;
ofs << test_timer1.current_time() << " ";*/
//run_general_topn_program(pengine, &latent_factors_inmem, &sgd_predict);
timer index_timer;
kd_Node* mroot = init_kdtree(&latent_factors_inmem);
ofs << index_timer.current_time() << " ";
timer test_timer;
/* construct kd tree index */
// ofs << "constructing index: " << test_timer.current_time() << " ";
run_kd_topn_program(pengine, &latent_factors_inmem, mroot);
// std::coua << "Tst Time: " << std::setw(10) << test_timer.current_time() << std::endl;
ofs << test_timer.current_time() << std::endl;
ofs.close();
/* Output latent factor matrices in matrix-market format */
output_sgd_result(training);
test_predictions(&sgd_predict);
/* Report execution metrics */
if (!quiet)
metrics_report(m);
return 0;
}
int main(int argc, const char ** argv) {
print_copyright();
/* GraphChi initialization will read the command line
arguments and the configuration file. */
graphchi_init(argc, argv);
/* Metrics object for keeping track of performance counters
and other information. Currently required. */
metrics m("item-cf");
/* Basic arguments for application */
min_allowed_intersection = get_option_int("min_allowed_intersection", min_allowed_intersection);
distance_metric = get_option_int("distance", JACCARD);
asym_cosine_alpha = get_option_float("asym_cosine_alpha", 0.5);
if (distance_metric != JACCARD && distance_metric != AA && distance_metric != RA && distance_metric != ASYM_COSINE)
logstream(LOG_FATAL)<<"Wrong distance metric. --distance_metric=XX, where XX should be either 0) JACCARD, 1) AA, 2) RA, 3) ASYM_COSINE" << std::endl;
parse_command_line_args();
mytimer.start();
int nshards = convert_matrixmarket<EdgeDataType>(training/*, orderByDegreePreprocessor*/);
if (nshards != 1)
logstream(LOG_FATAL)<<"This application currently supports only 1 shard" << std::endl;
K = get_option_int("K", K);
if (K <= 0)
logstream(LOG_FATAL)<<"Please specify the number of ratings to generate for each user using the --K command" << std::endl;
assert(M > 0 && N > 0);
//initialize data structure which saves a subset of the items (pivots) in memory
adjcontainer = new adjlist_container();
//array for marking which items are conected to the pivot items via users.
relevant_items = new bool[N];
//store node degrees in an array to be used for AA distance metric
if (distance_metric == AA || distance_metric == RA)
latent_factors_inmem.resize(M);
/* Run */
ItemDistanceProgram program;
graphchi_engine<VertexDataType, EdgeDataType> engine(training, nshards, true, m);
set_engine_flags(engine);
engine.set_maxwindow(M+N+1);
//open output files as the number of operating threads
out_files.resize(number_of_omp_threads());
for (uint i=0; i< out_files.size(); i++){
char buf[256];
sprintf(buf, "%s.out%d", training.c_str(), i);
out_files[i] = open_file(buf, "w");
}
//run the program
engine.run(program, niters);
/* Report execution metrics */
if (!quiet)
metrics_report(m);
std::cout<<"Total item pairs compared: " << item_pairs_compared << " total written to file: " << sum(written_pairs) << " pairs with zero distance: " << zero_dist << std::endl;
if (not_enough)
logstream(LOG_WARNING)<<"Items that did not have enough similar items: " << not_enough << std::endl;
for (uint i=0; i< out_files.size(); i++){
fflush(out_files[i]);
fclose(out_files[i]);
}
std::cout<<"Created " << number_of_omp_threads() << " output files with the format: " << training << ".outXX, where XX is the output thread number" << std::endl;
delete[] relevant_items;
return 0;
}
int main(int argc, const char ** argv) {
mytimer.start();
print_copyright();
/* GraphChi initialization will read the command line
arguments and the configuration file. */
graphchi_init(argc, argv);
/* Metrics object for keeping track of performance counters
and other information. Currently required. */
metrics m("rating2");
knn_sample_percent = get_option_float("knn_sample_percent", 1.0);
if (knn_sample_percent <= 0 || knn_sample_percent > 1)
logstream(LOG_FATAL)<<"Sample percente should be in the range (0, 1] " << std::endl;
num_ratings = get_option_int("num_ratings", 10);
if (num_ratings <= 0)
logstream(LOG_FATAL)<<"num_ratings, the number of recomended items for each user, should be >=1 " << std::endl;
debug = get_option_int("debug", 0);
tokens_per_row = get_option_int("tokens_per_row", tokens_per_row);
std::string algorithm = get_option_string("algorithm");
/* Basic arguments for RBM algorithm */
rbm_bins = get_option_int("rbm_bins", rbm_bins);
rbm_scaling = get_option_float("rbm_scaling", rbm_scaling);
if (algorithm == "svdpp" || algorithm == "svd++")
algo = SVDPP;
else if (algorithm == "biassgd")
algo = BIASSGD;
else if (algorithm == "rbm")
algo = RBM;
else logstream(LOG_FATAL)<<"--algorithm should be svd++ or biassgd or rbm"<<std::endl;
parse_command_line_args();
/* Preprocess data if needed, or discover preprocess files */
int nshards = 0;
if (tokens_per_row == 3)
nshards = convert_matrixmarket<edge_data>(training, 0, 0, 3, TRAINING, false);
else if (tokens_per_row == 4)
nshards = convert_matrixmarket4<edge_data4>(training);
else logstream(LOG_FATAL)<<"--tokens_per_row should be either 3 or 4" << std::endl;
assert(M > 0 && N > 0);
latent_factors_inmem.resize(M+N); // Initialize in-memory vertices.
//initialize data structure to hold the matrix read from file
if (algo == RBM){
#pragma omp parallel for
for (uint i=0; i< M+N; i++){
if (i < M){
latent_factors_inmem[i].pvec = zeros(D*3);
}
else {
latent_factors_inmem[i].pvec = zeros(rbm_bins + rbm_bins * D);
}
}
}
read_factors(training);
if ((uint)num_ratings > N){
logstream(LOG_WARNING)<<"num_ratings is too big - setting it to: " << N << std::endl;
num_ratings = N;
}
srand(time(NULL));
/* Run */
if (tokens_per_row == 3){
RatingVerticesInMemProgram<VertexDataType, EdgeDataType> program;
graphchi_engine<VertexDataType, EdgeDataType> engine(training, nshards, false, m);
set_engine_flags(engine);
engine.run(program, 1);
}
else if (tokens_per_row == 4){
RatingVerticesInMemProgram<VertexDataType, edge_data4> program;
graphchi_engine<VertexDataType, edge_data4> engine(training, nshards, false, m);
set_engine_flags(engine);
engine.run(program, 1);
}
/* Output latent factor matrices in matrix-market format */
output_knn_result(training);
rating_stats();
if (users_without_ratings > 0)
logstream(LOG_WARNING)<<"Found " << users_without_ratings << " without ratings. For those users no items are recommended (item id 0)" << std::endl;
if (users_no_ratings > 0)
logstream(LOG_WARNING)<<"Failed to compute ratings for " << users_no_ratings << " Users. For those users no items are recommended (item id 0)" << std::endl;
/* Report execution metrics */
if (!quiet)
metrics_report(m);
return 0;
}