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Hadrons: A2A vector write can fail and retry

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This commit is contained in:
Antonin Portelli
2018-11-26 19:47:03 +00:00
parent bccfd4cbb3
commit 10fc263675
2 changed files with 102 additions and 25 deletions
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97
Hadrons/A2AVectors.hpp
View File

@@ -83,9 +83,14 @@ public:
Record(void): index(0) {}
};
public:
// maxRetry meaning:
// -1: don't read back to check (default)
// 0: read to check, and crash (assert) in case of failure
// n > 0: read to check, retry to write n times before crashing
template <typename Field>
static void write(const std::string fileStem, std::vector<Field> &vec,
const bool multiFile, const int trajectory = -1);
const bool multiFile, const int trajectory = -1,
const int maxRetry = -1);
template <typename Field>
static void read(std::vector<Field> &vec, const std::string fileStem,
const bool multiFile, const int trajectory = -1);
@@ -258,12 +263,13 @@ void A2AVectorsSchurDiagTwo<FImpl>::makeHighModeW5D(FermionField &wout_4d,
******************************************************************************/
template <typename Field>
void A2AVectorsIo::write(const std::string fileStem, std::vector<Field> &vec,
const bool multiFile, const int trajectory)
const bool multiFile, const int trajectory, const int maxRetry)
{
Record record;
GridBase *grid = vec[0]._grid;
ScidacWriter binWriter(grid->IsBoss());
std::string filename = vecFilename(fileStem, trajectory, multiFile);
Field buf(grid);
if (multiFile)
{
@@ -271,27 +277,86 @@ void A2AVectorsIo::write(const std::string fileStem, std::vector<Field> &vec,
for (unsigned int i = 0; i < vec.size(); ++i)
{
fullFilename = filename + "/elem" + std::to_string(i) + ".bin";
int status = GridLimeReader::LIME_READ_FAILURE, attempt = std::max(0, maxRetry);
LOG(Message) << "Writing vector " << i << std::endl;
makeFileDir(fullFilename, grid);
binWriter.open(fullFilename);
record.index = i;
binWriter.writeScidacFieldRecord(vec[i], record);
binWriter.close();
while ((status != GridLimeReader::LIME_READ_SUCCESS) and (attempt >= 0))
{
fullFilename = filename + "/elem" + std::to_string(i) + ".bin";
LOG(Message) << "Writing vector " << i << std::endl;
makeFileDir(fullFilename, grid);
binWriter.open(fullFilename);
record.index = i;
binWriter.writeScidacFieldRecord(vec[i], record);
binWriter.close();
if (maxRetry < -1)
{
status = GridLimeReader::LIME_READ_SUCCESS;
}
else if (attempt >= 0)
{
ScidacReader binReader;
LOG(Message) << "Reading back vector " << i
<< " (" << attempt << " attempt(s) left)" << std::endl;
binReader.open(fullFilename);
status = binReader.readScidacFieldRecord(buf, record, false);
if (status != GridLimeReader::LIME_READ_SUCCESS)
{
LOG(Message) << "Read failure" << std::endl;
}
attempt--;
}
}
if (status != GridLimeReader::LIME_READ_SUCCESS)
{
HADRONS_ERROR(Io, "I/O error while writing vector " + std::to_string(i));
}
}
}
else
{
makeFileDir(filename, grid);
binWriter.open(filename);
for (unsigned int i = 0; i < vec.size(); ++i)
int status = GridLimeReader::LIME_READ_FAILURE, attempt = std::max(0, maxRetry);
while ((status != GridLimeReader::LIME_READ_SUCCESS) and (attempt >= 0))
{
LOG(Message) << "Writing vector " << i << std::endl;
record.index = i;
binWriter.writeScidacFieldRecord(vec[i], record);
makeFileDir(filename, grid);
binWriter.open(filename);
for (unsigned int i = 0; i < vec.size(); ++i)
{
LOG(Message) << "Writing vector " << i << std::endl;
record.index = i;
binWriter.writeScidacFieldRecord(vec[i], record);
}
binWriter.close();
if (maxRetry < -1)
{
status = GridLimeReader::LIME_READ_SUCCESS;
}
else if (attempt >= 0)
{
ScidacReader binReader;
binReader.open(filename);
LOG(Message) << "Reading back vector set ("
<< attempt << " attempt(s) left)" << std::endl;
for (unsigned int i = 0; i < vec.size(); ++i)
{
LOG(Message) << "Reading vector " << i << std::endl;
status = binReader.readScidacFieldRecord(buf, record, false);
if (status != GridLimeReader::LIME_READ_SUCCESS)
{
LOG(Message) << "Read failure" << std::endl;
break;
}
}
attempt--;
}
}
if (status != GridLimeReader::LIME_READ_SUCCESS)
{
HADRONS_ERROR(Io, "I/O error while writing vector set");
}
binWriter.close();
}
}

30
Hadrons/Modules/MSolver/A2AVectors.hpp
View File

@@ -44,16 +44,24 @@ BEGIN_HADRONS_NAMESPACE
******************************************************************************/
BEGIN_MODULE_NAMESPACE(MSolver)
class A2AVectorsIoPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(A2AVectorsIoPar,
std::string, filestem,
bool, multiFile,
int, maxRetry);
};
class A2AVectorsPar: Serializable
{
public:
GRID_SERIALIZABLE_CLASS_MEMBERS(A2AVectorsPar,
std::string, noise,
std::string, action,
std::string, eigenPack,
std::string, solver,
std::string, output,
bool, multiFile);
std::string, noise,
std::string, action,
std::string, eigenPack,
std::string, solver,
A2AVectorsIoPar, output);
};
template <typename FImpl, typename Pack>
@@ -240,13 +248,17 @@ void TA2AVectors<FImpl, Pack>::execute(void)
}
// I/O if necessary
if (!par().output.empty())
if (!par().output.filestem.empty())
{
startTimer("V I/O");
A2AVectorsIo::write(par().output + "_v", v, par().multiFile, vm().getTrajectory());
A2AVectorsIo::write(par().output.filestem + "_v", v,
par().output.multiFile, vm().getTrajectory(),
par().output.maxRetry);
stopTimer("V I/O");
startTimer("W I/O");
A2AVectorsIo::write(par().output + "_w", w, par().multiFile, vm().getTrajectory());
A2AVectorsIo::write(par().output.filestem + "_w", w,
par().output.multiFile, vm().getTrajectory(),
par().output.maxRetry);
stopTimer("W I/O");
}
}