Disabled external gits
This commit is contained in:
106
cs440-acg/ext/tbb/examples/parallel_reduce/primes/main.cpp
Normal file
106
cs440-acg/ext/tbb/examples/parallel_reduce/primes/main.cpp
Normal file
@@ -0,0 +1,106 @@
|
||||
/*
|
||||
Copyright (c) 2005-2020 Intel Corporation
|
||||
|
||||
Licensed under the Apache License, Version 2.0 (the "License");
|
||||
you may not use this file except in compliance with the License.
|
||||
You may obtain a copy of the License at
|
||||
|
||||
http://www.apache.org/licenses/LICENSE-2.0
|
||||
|
||||
Unless required by applicable law or agreed to in writing, software
|
||||
distributed under the License is distributed on an "AS IS" BASIS,
|
||||
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
See the License for the specific language governing permissions and
|
||||
limitations under the License.
|
||||
*/
|
||||
|
||||
#include "primes.h"
|
||||
#include <cstdlib>
|
||||
#include <cstdio>
|
||||
#include <cstring>
|
||||
#include <cctype>
|
||||
#include <utility>
|
||||
#include <iostream>
|
||||
#include <sstream>
|
||||
#include "tbb/tick_count.h"
|
||||
|
||||
#include "../../common/utility/utility.h"
|
||||
|
||||
struct RunOptions{
|
||||
//! NumberType of threads to use.
|
||||
utility::thread_number_range threads;
|
||||
//whether to suppress additional output
|
||||
bool silentFlag;
|
||||
//
|
||||
NumberType n;
|
||||
//! Grain size parameter
|
||||
NumberType grainSize;
|
||||
// number of time to repeat calculation
|
||||
NumberType repeatNumber;
|
||||
|
||||
RunOptions(utility::thread_number_range threads_, NumberType grainSize_, NumberType n_, bool silentFlag_, NumberType repeatNumber_)
|
||||
: threads(threads_), silentFlag(silentFlag_), n(n_), grainSize(grainSize_), repeatNumber(repeatNumber_)
|
||||
{}
|
||||
};
|
||||
|
||||
//! Parse the command line.
|
||||
static RunOptions ParseCommandLine( int argc, const char* argv[] ) {
|
||||
utility::thread_number_range threads( utility::get_default_num_threads, 0, utility::get_default_num_threads() );
|
||||
NumberType grainSize = 1000;
|
||||
bool silent = false;
|
||||
NumberType number = 100000000;
|
||||
NumberType repeatNumber = 1;
|
||||
|
||||
utility::parse_cli_arguments(argc,argv,
|
||||
utility::cli_argument_pack()
|
||||
//"-h" option for displaying help is present implicitly
|
||||
.positional_arg(threads,"n-of-threads",utility::thread_number_range_desc)
|
||||
.positional_arg(number,"number","upper bound of range to search primes in, must be a positive integer")
|
||||
.positional_arg(grainSize,"grain-size","must be a positive integer")
|
||||
.positional_arg(repeatNumber,"n-of-repeats","repeat the calculation this number of times, must be a positive integer")
|
||||
.arg(silent,"silent","no output except elapsed time")
|
||||
);
|
||||
|
||||
RunOptions options(threads,grainSize, number, silent, repeatNumber);
|
||||
return options;
|
||||
}
|
||||
|
||||
int main( int argc, const char* argv[] ) {
|
||||
tbb::tick_count mainBeginMark = tbb::tick_count::now();
|
||||
RunOptions options =ParseCommandLine(argc,argv);
|
||||
|
||||
// Try different numbers of threads
|
||||
for( int p=options.threads.first; p<=options.threads.last; p=options.threads.step(p) ) {
|
||||
for (NumberType i=0; i<options.repeatNumber;++i){
|
||||
tbb::tick_count iterationBeginMark = tbb::tick_count::now();
|
||||
NumberType count = 0;
|
||||
NumberType n = options.n;
|
||||
if( p==0 ) {
|
||||
#if __TBB_MIC_OFFLOAD
|
||||
#pragma offload target(mic) in(n) out(count)
|
||||
#endif // __TBB_MIC_OFFLOAD
|
||||
count = SerialCountPrimes(n);
|
||||
} else {
|
||||
NumberType grainSize = options.grainSize;
|
||||
#if __TBB_MIC_OFFLOAD
|
||||
#pragma offload target(mic) in(n, p, grainSize) out(count)
|
||||
#endif // __TBB_MIC_OFFLOAD
|
||||
count = ParallelCountPrimes(n, p, grainSize);
|
||||
}
|
||||
tbb::tick_count iterationEndMark = tbb::tick_count::now();
|
||||
if (!options.silentFlag){
|
||||
std::cout
|
||||
<<"#primes from [2.." <<options.n<<"] = " << count
|
||||
<<" ("<<(iterationEndMark-iterationBeginMark).seconds()<< " sec with "
|
||||
;
|
||||
if( 0 != p )
|
||||
std::cout<<p<<"-way parallelism";
|
||||
else
|
||||
std::cout<<"serial code";
|
||||
std::cout<<")\n" ;
|
||||
}
|
||||
}
|
||||
}
|
||||
utility::report_elapsed_time((tbb::tick_count::now()-mainBeginMark).seconds());
|
||||
return 0;
|
||||
}
|
Reference in New Issue
Block a user