def synthesis_module(tmpdir, kernel_files, module_name, device_info):
"""Synthesis a module in kernel files.
Returns:
(returncode, stdout, stderr) results of the subprocess.
"""
job_server = util.acquire_job_slot()
with tempfile.TemporaryFile(mode='w+b') as tarfileobj:
with backend.RunHls(tarfileobj,
kernel_files,
module_name,
device_info['clock_period'],
device_info['part_num'],
reset_low=False) as proc:
stdout, stderr = proc.communicate()
if proc.returncode == 0:
tarfileobj.seek(0)
with tarfile.open(mode='r', fileobj=tarfileobj) as tar:
tar.extractall(
tmpdir,
(f for f in tar.getmembers()
if f.name.startswith('hdl') or f.name.startswith('report')
))
util.release_job_slot(job_server)
return proc.returncode, stdout, stderr
def worker(task: Task, idx: int) -> None:
os.nice(idx % 19)
with open(self.get_tar(task.name), 'wb') as tarfileobj:
with hls.RunHls(
tarfileobj,
kernel_files=[(self.get_cpp(task.name), self.cflags)],
top_name=task.name,
clock_period=clock_period,
part_num=part_num,
auto_prefix=True,
hls='vitis_hls',
std='c++17',
) as proc:
stdout, stderr = proc.communicate()
if proc.returncode != 0:
if b'Pre-synthesis failed.' in stdout and b'\nERROR:' not in stdout:
_logger.error(
'HLS failed for %s, but the failure may be flaky; retrying',
task.name,
)
worker(task, 0)
return
sys.stdout.write(stdout.decode('utf-8'))
sys.stderr.write(stderr.decode('utf-8'))
raise RuntimeError('HLS failed for {}'.format(task.name))
def worker(task: Task) -> None:
with open(self.get_tar(task.name), 'wb') as tarfileobj:
with hls.RunHls(
tarfileobj,
kernel_files=[(self.get_cpp(task.name), self.cflags)],
top_name=task.name,
clock_period=clock_period,
part_num=part_num,
auto_prefix=True,
hls='vitis_hls',
) as proc:
stdout, stderr = proc.communicate()
if proc.returncode != 0:
sys.stdout.write(stdout.decode('utf-8'))
sys.stderr.write(stderr.decode('utf-8'))
raise RuntimeError('HLS failed for {}'.format(task.name))
def synthesis_module(tmpdir, kernel_files, module_name, device_info):
"""Synthesis a module in kernel files.
Returns:
(returncode, stdout, stderr) results of the subprocess.
"""
with tempfile.TemporaryFile(mode='w+b') as tarfileobj:
with backend.RunHls(
tarfileobj, kernel_files, module_name, device_info['clock_period'],
device_info['part_num']) as proc:
stdout, stderr = proc.communicate()
if proc.returncode == 0:
tarfileobj.seek(0)
with tarfile.open(mode='r', fileobj=tarfileobj) as tar:
tar.extractall(tmpdir, filter(lambda _: _.name.startswith('hdl'),
tar.getmembers()))
return proc.returncode, stdout, stderr