joshua
/
compress
Archived
1
0
Fork 0
Code Releases Activity
Browse Source

Adds more iterations to have more accurate measure

master
Joshua Moerman 11 years ago
parent
2f80e92b6d
commit
ffcfab9c6f
1 changed files with 12 additions and 5 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 9
      wavelet/mockup.cpp

9
wavelet/mockup.cpp
View File

@ -12,6 +12,7 @@
const unsigned int P = 2;
const unsigned int N = 1 << NEXP;
const unsigned int ITERS = 5;
// Static vectors for correctness checking
static std::vector<double> par_result(N);
@ -101,8 +102,10 @@ static void par_wavelet(){
double time1 = bsp::time();
for(int i = 0; i < ITERS; ++i){
par_wavelet_base(d, x.data(), next.data(), proczero.data());
bsp::sync();
}
double time2 = bsp::time();
if(d.s==0) printf("parallel version\t%f\n", time2 - time1);
@ -130,7 +133,9 @@ static void seq_wavelet(){
for(unsigned int i = 0; i < N; ++i) v[i] = data(i);
{ auto time1 = timer::clock::now();
for(int i = 0; i < ITERS; ++i){
wvlt::wavelet(v.data(), v.size());
}
auto time2 = timer::clock::now();
printf("sequential version\t%f\n", timer::from_dur(time2 - time1));
}
@ -160,7 +165,9 @@ static void check_equality(double threshold){
// Checks whether inverse gives us the data back
// NOTE: modifies the global seq_result
static void check_inverse(double threshold){
for(int i = 0; i < ITERS; ++i){
wvlt::unwavelet(seq_result.data(), seq_result.size());
}
bool same = true;
for(unsigned int i = 0; i < N; ++i){
if(data(i) != seq_result[i]) same = false;
@ -172,7 +179,7 @@ static void check_inverse(double threshold){
std::cout << colors::green("SUCCES:") << " Inverse is bitwise correct" << std::endl;
} else {
if(rmse <= threshold){
std::cout << colors::green("SUCCES:") << " Inverse are almost correct: rmse = " << rmse << std::endl;
std::cout << colors::green("SUCCES:") << " Inverse is almost correct: rmse = " << rmse << std::endl;
} else {
std::cout << colors::red("FAIL:") << " Inverse seems wrong: rmse = " << rmse << std::endl;
}