int main(){
clock_t start = clock();
cilk_spawn hello();
cilk_spawn world();
//cilk_spawn hello();
//cilk_spawn world();
//cilk_sync;
clock_t end = clock();
double duration = (double)(end - start) / CLOCKS_PER_SEC;
printf("Done in %.9f!\n", duration);
printf("Currently using %d workers\n", __cilkrts_get_nworkers());
}
int main(int argc, char *argv[])
{
if(argc<=1) {
printf("Pass an integer as a command line argument...");
exit(1);
} //otherwise continue on our merry way....
int max=atoi(argv[1]);
// Get the number of workers
int numWorkers = __cilkrts_get_nworkers();
printf("Set the number of workers to be %d.\n",numWorkers);
// Create an array
int64_t* arr = malloc(max*sizeof(int64_t));
// Fill in the array
int i=0;
while(i<max){
arr[i] = max -i;
//printf("arr[%d]=%d\n", i, arr[i]);
i++;
}
int64_t* output = mergesort(arr, max, 0, max);
// Print out output arr
/*i=0;
while(i<max){
printf("output[%d]=%d\n", i, output[i]);
i++;
}*/
printf("output[%d]=%ld\n", 0, output[0]);
printf("output[%d]=%ld\n", 1, output[1]);
printf("output[%d]=%ld\n", 2, output[2]);
printf("output[%d]=%ld\n", max-3, output[max-3]);
printf("output[%d]=%ld\n", max-2, output[max-2]);
printf("output[%d]=%ld\n", max-1, output[max-1]);
free(output);
exit(0);
}
/******************************************************
* Unbalanced Tree Search v2.1 *
* Based on the implementation available at *
* http://sourceforge.net/projects/uts-benchmark *
******************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h" /* for _GNU_SOURCE */
#endif
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <limits.h> /* for INT_MAX */
#include <math.h> /* for floor, log, sin */
#include <cilk/cilk.h>
#include <cilk/cilk_api.h>
#include <cilk/reducer_opadd.h>
#include <pthread.h>
#include <qthread/qthread.h>
#include <qthread/qtimer.h>
#define SILENT_ARGPARSING
#include "argparsing.h"
#include "log.h"
#define BRG_RNG // Select RNG
#include "../../utils/rng/rng.h"
#define PRINT_STATS 1
#define MAXNUMCHILDREN 100
static size_t nodecount;
typedef enum {
BIN = 0,
GEO,
HYBRID,
BALANCED
} tree_t;
static char *type_names[] = {
"Binomial",
"Geometric",
"Hybrid",
"Balanced"
};
typedef enum {
LINEAR = 0,
EXPDEC,
CYCLIC,
FIXED
} shape_t;
static char *shape_names[] = {
"Linear decrease",
"Exponential decrease",
"Cyclic",
"Fixed branching factor"
};
typedef struct {
int height; // Depth of node in the tree
struct state_t state; // Local RNG state
int num_children;
} node_t;
// Default values
static tree_t tree_type = GEO;
static double bf_0 = 4.0;
static int root_seed = 0;
static int num_samples = 1;
static int tree_depth = 6;
static shape_t shape_fn = LINEAR;
static int non_leaf_bf = 4;
static double non_leaf_prob = 15.0 / 64.0;
static double shift_depth = 0.5;
// Tree metrics
static uint64_t tree_height = 0;
static uint64_t num_leaves = 0;
static double normalize(int n)
{
if (n < 0) {
printf("*** toProb: rand n = %d out of range\n", n);
}
return ((n < 0) ? 0.0 : ((double)n) / (double)INT_MAX);
}
static int calc_num_children_bin(node_t *parent)
{
int v = rng_rand(parent->state.state);
double d = normalize(v);
return (d < non_leaf_prob) ? non_leaf_bf : 0;
}
static int calc_num_children(node_t *parent)
{
int num_children = 0;
if (parent->height == 0) { num_children = (int)floor(bf_0); } else { num_children = calc_num_children_bin(parent); }
if (parent->height == 0) {
int root_bf = (int)ceil(bf_0);
if (num_children > root_bf) {
printf("*** Number of children truncated from %d to %d\n",
num_children, root_bf);
num_children = root_bf;
}
} else {
if (num_children > MAXNUMCHILDREN) {
printf("*** Number of children truncated from %d to %d\n",
num_children, MAXNUMCHILDREN);
num_children = MAXNUMCHILDREN;
}
}
return num_children;
}
// Notes:
// - Each task receives distinct copy of parent
// - Copy of child is shallow, be careful with `state` member
static long visit(node_t parent)
{
node_t child;
uint64_t *child_descendants = calloc(sizeof(long), parent.num_children);
CILK_C_REDUCER_OPADD(num_descendants, ulong, 0);
uint64_t tmp;
// Spawn children, if any
for (int i = 0; i < parent.num_children; i++) {
child.height = parent.height + 1;
for (int j = 0; j < num_samples; j++) {
rng_spawn(parent.state.state, child.state.state, i);
}
child.num_children = calc_num_children(&child);
child_descendants[i] = _Cilk_spawn visit(child);
}
_Cilk_sync;
CILK_C_REGISTER_REDUCER(num_descendants);
_Cilk_for(int i = 0; i < parent.num_children; i++) {
REDUCER_VIEW(num_descendants) += child_descendants[i];
}
tmp = 1 + REDUCER_VIEW(num_descendants);
CILK_C_UNREGISTER_REDUCER(num_descendants);
return tmp;
}
#ifdef PRINT_STATS
static void print_stats(void)
{
LOG_UTS_PARAMS_YAML()
fflush(stdout);
}
#else /* ifdef PRINT_STATS */
static void print_banner(void)
{
printf("UTS - Unbalanced Tree Search 2.1 (C/Qthreads)\n");
printf("Tree type:%3d (%s)\n", tree_type, type_names[tree_type]);
printf("Tree shape parameters:\n");
printf(" root branching factor b_0 = %.1f, root seed = %d\n",
bf_0, root_seed);
if ((tree_type == GEO) || (tree_type == HYBRID)) {
printf(" GEO parameters: gen_mx = %d, shape function = %d (%s)\n",
tree_depth, shape_fn, shape_names[shape_fn]);
}
if ((tree_type == BIN) || (tree_type == HYBRID)) {
double q = non_leaf_prob;
int m = non_leaf_bf;
double es = (1.0 / (1.0 - q * m));
printf(" BIN parameters: q = %f, m = %d, E(n) = %f, E(s) = %.2f\n",
q, m, q * m, es);
}
if (tree_type == HYBRID) {
printf(" HYBRID: GEO from root to depth %d, then BIN\n",
(int)ceil(shift_depth * tree_depth));
}
if (tree_type == BALANCED) {
printf(" BALANCED parameters: gen_mx = %d\n", tree_depth);
printf(" Expected size: %llu nodes, %llu leaves\n",
(unsigned long long)((pow(bf_0, tree_depth + 1) - 1.0) / (bf_0 - 1.0)),
(unsigned long long)pow(bf_0, tree_depth));
}
printf("Random number generator: ");
printf("SHA-1 (state size = %ldB)\n", sizeof(struct state_t));
printf("Compute granularity: %d\n", num_samples);
printf("Execution strategy:\n");
printf(" Workers: %d\n", __cilkrts_get_nworkers());
printf("\n");
fflush(stdout);
}
int main(int argc, char **argv) {
struct timespec begin, end;
struct timespec veryStart;
srand( time(NULL) );
get_time( begin );
get_time( veryStart );
// read args
parse_args(argc,argv);
std::cerr << "Available threads: " << __cilkrts_get_nworkers() << "\n";
get_time (end);
print_time("init", begin, end);
// Directory listing
get_time( begin );
typedef asap::word_list<std::deque<const char*>, asap::word_bank_managed>
directory_listing_type;
directory_listing_type dir_list;
asap::get_directory_listing( indir, dir_list );
get_time (end);
print_time("directory listing", begin, end);
typedef size_t index_type;
typedef asap::word_bank_pre_alloc word_bank_type;
typedef asap::sparse_vector<index_type, float, false,
asap::mm_no_ownership_policy>
vector_type;
/*
typedef asap::word_map<
std::unordered_map<const char *, size_t, asap::text::charp_hash,
asap::text::charp_eql>,
word_bank_type> internal_map_type;
typedef asap::kv_list<std::vector<std::pair<const char *, size_t>>,
word_bank_type> intermediate_map_type;
typedef asap::word_map<
std::unordered_map<const char *,
asap::appear_count<size_t, index_type>,
asap::text::charp_hash, asap::text::charp_eql>,
word_bank_type> aggregate_map_type;
*/
typedef asap::hash_table<const char *, size_t, asap::text::charp_hash, asap::text::charp_eql> wc_unordered_map;
typedef asap::hash_table<const char *,
asap::appear_count<size_t, index_type>,
asap::text::charp_hash, asap::text::charp_eql> dc_unordered_map;
typedef asap::word_map<wc_unordered_map, word_bank_type> internal_map_type;
typedef asap::kv_list<std::vector<std::pair<const char*, size_t>>,
word_bank_type> intermediate_map_type;
typedef asap::word_map<dc_unordered_map, word_bank_type> aggregate_map_type;
typedef asap::data_set<vector_type, aggregate_map_type,
directory_listing_type> data_set_type;
data_set_type tfidf(
intm_map
? tfidf_driver<directory_listing_type, internal_map_type,
internal_map_type, aggregate_map_type,
data_set_type, false>( dir_list )
: tfidf_driver<directory_listing_type, internal_map_type,
intermediate_map_type, aggregate_map_type,
data_set_type, true>( dir_list )
);
get_time( begin );
if( outfile )
asap::arff_write( outfile, tfidf );
get_time (end);
print_time("output", begin, end);
print_time("complete time", veryStart, end);
return 0;
}
int main(int argc, char **argv) {
struct timespec begin, end;
struct timespec veryStart;
srand( time(NULL) );
get_time( begin );
get_time( veryStart );
// read args
parse_args(argc,argv);
std::cerr << "Available threads: " << __cilkrts_get_nworkers() << "\n";
get_time (end);
print_time("init", begin, end);
// Directory listing
get_time( begin );
typedef asap::word_list<std::deque<const char*>, asap::word_bank_managed>
directory_listing_type;
directory_listing_type dir_list;
asap::get_directory_listing( indir, dir_list );
get_time (end);
print_time("directory listing", begin, end);
// word count
get_time( begin );
typedef asap::word_map<std::map<const char *, size_t, asap::text::charp_cmp>, asap::word_bank_pre_alloc> word_map_type;
typedef asap::kv_list<std::vector<std::pair<const char *, size_t>>, asap::word_bank_pre_alloc> word_list_type;
typedef asap::sparse_vector<size_t, float, false,
asap::mm_no_ownership_policy>
vector_type;
typedef asap::word_map<std::map<const char *,
asap::appear_count<size_t,
typename vector_type::index_type>,
asap::text::charp_cmp>,
asap::word_bank_pre_alloc> word_map_type2;
size_t num_files = dir_list.size();
std::vector<word_list_type> catalog;
catalog.resize( num_files );
asap::word_container_reducer<word_map_type2> allwords;
cilk_for( size_t i=0; i < num_files; ++i ) {
std::string filename = *std::next(dir_list.cbegin(),i);
// std::cerr << "Read file " << filename;
{
// Build up catalog for each file using a map
word_map_type wmap;
asap::word_catalog<word_map_type>( std::string(*std::next(dir_list.cbegin(),i)),
wmap ); // catalog[i] );
// Convert file's catalog to a (sorted) list of pairs
catalog[i].reserve( wmap.size() ); // avoid re-allocations
catalog[i].insert( std::move(wmap) ); // move out wmap contents
} // delete wmap
// std::cerr << ": " << catalog[i].size() << " words\n";
// Reading from std::vector rather than std::map should be faster...
// Validated: about 10% on word count, 20% on TF/IDF, 16 threads
allwords.count_presence( catalog[i] );
}
get_time (end);
print_time("word count", begin, end);
get_time( begin );
typedef asap::data_set<vector_type, word_map_type2> data_set_type;
// TODO: consider linearising the word_map to a word_list with exchanged
// word_bank in order to avoid storing the ID? Problem: lookup
// during TF/IDF computation
// TODO: infer word_map_type2 from word_map_type* in template definition?
// TODO: construct aggregate word_map_type2 during wc loop above
// std::shared_ptr<word_map_type2> allwords_ptr
// = std::make_shared<word_map_type2>();
// allwords_ptr->swap( allwords.get_value() );
asap::internal::assign_ids( allwords.get_value().begin(),
allwords.get_value().end() );
asap::tfidf_inplace<float>(
catalog.begin(), catalog.end(), allwords.get_value() );
get_time (end);
print_time("TF/IDF", begin, end);
get_time( begin );
std::ofstream of( outfile, std::ios_base::out );
size_t i=0;
for( auto I=catalog.cbegin(), E=catalog.cend(); I != E; ++I, ++i ) {
of << dir_list[i] << ": " << "TBC\n"; // *I << std::endl;
}
of.close();
get_time (end);
print_time("output", begin, end);
print_time("complete time", veryStart, end);
return 0;
}
Storage_thread_local() : store(new PaddedT[__cilkrts_get_nworkers()]) { };
static int get_nworkers()
{
return __cilkrts_get_nworkers();
}
void initialize_rt() {
cilk_spawn f();
cilk_sync;
int workers = __cilkrts_get_nworkers();
worker_tables = calloc(workers*sizeof(worker_table_t), 1);
}
int main(int argc, char* argv[]) {
if(argc != 3 && argc != 4){
fprintf(stderr, "Execute: %s <input file> <alphabet size> [<validation_file>]\n", argv[0]);
exit(-1);
}
unsigned long n; // Size of the input sequence
symbol* text = read_text_from_file(argv[1], &n); // Input sequence
unsigned int alphabet = (unsigned int)atoi(argv[2]); // Size of the alphabet
//printf("n: %lu, alphabet: %u, threads: %d\n", n, alphabet, num_threads);
// printf("%s,%lu,%u,", argv[1], n, alphabet);
// Memory usage
#ifdef MALLOC_COUNT
size_t s_total_memory = malloc_count_total();
size_t s_current_memory = malloc_count_current();
malloc_reset_peak();
// Running time. CLOCK_THREAD_CPUTIME_ID: Running time of the thread that call it (main thread in this case)
#else
struct timespec stime, etime;
double t;
if (clock_gettime(CLOCK_THREAD_CPUTIME_ID, &stime)) {
fprintf(stderr, "clock_gettime failed");
exit(-1);
}
#endif
// Wavelet tree construction
#ifdef NO_RANK_SELECT
BIT_ARRAY** wtree = wt_create(text, n, alphabet);
#else
bitRankW32Int** wtree = wt_create(text, n, alphabet);
#endif
#ifdef MALLOC_COUNT
size_t e_total_memory = malloc_count_total();
size_t e_current_memory = malloc_count_current();
printf("%s, %u, %zu, %zu, %zu, %zu, %zu\n", argv[1], alphabet, s_total_memory, e_total_memory, malloc_count_peak(), s_current_memory, e_current_memory);
#else
if (clock_gettime(CLOCK_THREAD_CPUTIME_ID, &etime)) {
fprintf(stderr, "clock_gettime failed");
exit(-1);
}
t = (etime.tv_sec - stime.tv_sec) + (etime.tv_nsec - stime.tv_nsec) / 1000000000.0;
printf("%d,%s,%lu,%lf\n", __cilkrts_get_nworkers(), argv[1], n, t);
// printf("%d,%s,%lu\n", __cilkrts_get_nworkers(), argv[1], n); // Merge
#endif
free(text);
// Validation mode
// Generate the original text using the wavelet tree
if(argc > 3) {
#ifdef NO_RANK_SELECT
printf("Compile without -DNO_RANK_SELECT to use the validation mode\n");
#else
FILE *test_file;
test_file = fopen(argv[3],"wb");
if (!test_file) {
printf("Unable to open file!");
return EXIT_FAILURE;
}
symbol access_return = 0;
unsigned long i = 0;
if(n*sizeof(symbol) > 10485760)
printf("Please, use a file smaller than 10MB to validate the algorithm. Otherwise, the validation could take a while.\n");
else {
for(i = 0; i < n; i++) {
access_return = wt_access(wtree, i, alphabet);
fwrite(&access_return, sizeof(symbol), 1, test_file);
}
}
fclose(test_file);
#endif
}
return EXIT_SUCCESS;
}
int main(int argc,
char *argv[])
{
uint64_t total_num_nodes = 0;
qtimer_t timer;
double total_time = 0.0;
CHECK_VERBOSE();
{
unsigned long tmp = 0;
NUMARG(tmp, "UTS_TREE_TYPE");
tree_type = (tree_t)tmp;
}
DBLARG(bf_0, "UTS_BF_0");
NUMARG(root_seed, "UTS_ROOT_SEED");
{
unsigned long tmp = 0;
NUMARG(tmp, "UTS_SHAPE_FN");
shape_fn = (shape_t)tmp;
}
NUMARG(tree_depth, "UTS_TREE_DEPTH");
DBLARG(non_leaf_prob, "UTS_NON_LEAF_PROB");
NUMARG(non_leaf_bf, "UTS_NON_LEAF_NUM");
NUMARG(shift_depth, "UTS_SHIFT_DEPTH");
NUMARG(num_samples, "UTS_NUM_SAMPLES");
#ifdef PRINT_STATS
print_stats();
#else
print_banner();
#endif
timer = qtimer_create();
qtimer_start(timer);
node_t root;
root.height = 0;
rng_init(root.state.state, root_seed);
root.num_children = calc_num_children(&root);
nodecount = 1;
long retval;
{
retval = _Cilk_spawn visit(root);
_Cilk_sync;
}
total_num_nodes = retval;
qtimer_stop(timer);
total_time = qtimer_secs(timer);
qtimer_destroy(timer);
#ifdef PRINT_STATS
LOG_UTS_RESULTS_YAML(total_num_nodes, total_time)
LOG_ENV_CILK_YAML()
#else
printf("Tree size = %lu, tree depth = %d, num leaves = %llu (%.2f%%)\n",
(unsigned long)total_num_nodes,
(int)tree_height,
(unsigned long long)num_leaves,
num_leaves / (float)total_num_nodes * 100.0);
printf("Wallclock time = %.3f sec, performance = %.0f "
"nodes/sec (%.0f nodes/sec per PE)\n\n",
total_time,
total_num_nodes / total_time,
total_num_nodes / total_time / __cilkrts_get_nworkers());
#endif /* ifdef PRINT_STATS */
return 0;
}