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[Fix][Tutorial][VTA] Update tune_relay_vta.py to support single board #7100

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Dec 14, 2020
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[Fix][Tutorial][VTA] Update tune_relay_vta.py to support single board #7100

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31 changes: 16 additions & 15 deletions vta/tutorials/autotvm/tune_relay_vta.py
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Original file line number Diff line number Diff line change
Expand Up @@ -340,18 +340,6 @@ def _topi_nn_conv2d(*args, **kwargs):

def tune_and_evaluate(tuning_opt):

if env.TARGET != "sim":
# Get remote from fleet node
remote = autotvm.measure.request_remote(
env.TARGET, tracker_host, tracker_port, timeout=10000
)
# Reconfigure the JIT runtime and FPGA.
vta.reconfig_runtime(remote)
vta.program_fpga(remote, bitstream=None)
else:
# In simulation mode, host the RPC server locally.
remote = rpc.LocalSession()

# Register VTA tuning tasks
register_vta_tuning_tasks()

Expand Down Expand Up @@ -407,6 +395,19 @@ def tune_and_evaluate(tuning_opt):
print("Tuning...")
tune_tasks(tasks, **tuning_opt)

# evaluate with tuning history
if env.TARGET != "sim":
# Get remote from fleet node
remote = autotvm.measure.request_remote(
env.TARGET, tracker_host, tracker_port, timeout=10000
)
# Reconfigure the JIT runtime and FPGA.
vta.reconfig_runtime(remote)
vta.program_fpga(remote, bitstream=None)
else:
# In simulation mode, host the RPC server locally.
remote = rpc.LocalSession()

# compile kernels with history best records
with autotvm.tophub.context(target, extra_files=[log_file]):
# Compile network
Expand All @@ -425,9 +426,9 @@ def tune_and_evaluate(tuning_opt):
# Export library
print("Upload...")
temp = utils.tempdir()
lib.save(temp.relpath("graphlib.o"))
remote.upload(temp.relpath("graphlib.o"))
lib = remote.load_module("graphlib.o")
lib.export_library(temp.relpath("graphlib.tar"))
remote.upload(temp.relpath("graphlib.tar"))
lib = remote.load_module("graphlib.tar")

# Generate the graph runtime
ctx = remote.ext_dev(0) if device == "vta" else remote.cpu(0)
Expand Down