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enable implicit multithreading to improve compression performance #33

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enable implicit multithreading to improve compression performance #33

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18 changes: 10 additions & 8 deletions src/ramcore/SamToNTuple.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@
#include <string>
#include <thread>
#include <vector>
#include <iostream>

namespace {

Expand All @@ -36,14 +37,15 @@ void samtoramntuple(const char *datafile,
int compression_algorithm,
uint32_t quality_policy)
{
TStopwatch stopwatch;
stopwatch.Start();

auto rootFile = std::unique_ptr<TFile>(TFile::Open(treefile, "RECREATE"));
if (!rootFile || !rootFile->IsOpen()) {
printf("Failed to create RAM file %s\n", treefile);
return;
}
ROOT::EnableImplicitMT();
TStopwatch stopwatch;
stopwatch.Start();

auto rootFile = std::unique_ptr<TFile>(TFile::Open(treefile, "RECREATE"));
if (!rootFile || !rootFile->IsOpen()) {
std::cout << "Failed to create RAM file " << treefile << "\n";
return;
}

RAMNTupleRecord::InitializeRefs();

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