def check_result(mod,
ref_mod,
map_inputs,
out_shape,
tol=1e-5,
target="llvm",
ctx=tvm.cpu(),
params=None):
if sys.platform == "win32":
print("Skip test on Windows for now")
return
# Run the reference result
compile_engine.get().clear()
with tvm.transform.PassContext(opt_level=3):
json, lib, param = relay.build(ref_mod, target=target, params=params)
rt_mod = tvm.contrib.graph_runtime.create(json, lib, ctx)
for name, data in map_inputs.items():
rt_mod.set_input(name, data)
rt_mod.set_input(**param)
rt_mod.run()
out = tvm.nd.empty(out_shape, ctx=ctx)
out = rt_mod.get_output(0, out)
ref_result = out.asnumpy()
def check_vm_result():
compile_engine.get().clear()
with relay.build_config(opt_level=3):
exe = relay.vm.compile(mod, target=target, params=params)
code, lib = exe.save()
exe = runtime.vm.Executable.load_exec(code, lib)
vm = runtime.vm.VirtualMachine(exe)
vm.init(ctx)
out = vm.run(**map_inputs)
tvm.testing.assert_allclose(out.asnumpy(),
ref_result,
rtol=tol,
atol=tol)
def check_graph_runtime_result():
compile_engine.get().clear()
with relay.build_config(opt_level=3):
json, lib, param = relay.build(mod, target=target, params=params)
rt_mod = tvm.contrib.graph_runtime.create(json, lib, ctx)
for name, data in map_inputs.items():
rt_mod.set_input(name, data)
rt_mod.set_input(**param)
rt_mod.run()
out = tvm.nd.empty(out_shape, ctx=ctx)
out = rt_mod.get_output(0, out)
tvm.testing.assert_allclose(out.asnumpy(),
ref_result,
rtol=tol,
atol=tol)
check_vm_result()
check_graph_runtime_result()
def check_vm_result():
compile_engine.get().clear()
with relay.build_config(opt_level=3):
exe = relay.vm.compile(mod, target=target, params=params)
code, lib = exe.save()
exe = runtime.vm.Executable.load_exec(code, lib)
vm = runtime.vm.VirtualMachine(exe, ctx)
out = vm.run(**map_inputs)
tvm.testing.assert_allclose(out.asnumpy(), ref_result, rtol=tol, atol=tol)
def test_exec(mod, params, ref_mod, ref_params, out_shape):
ishape = (1, 3, 224, 224)
i_data = np.random.randn(*ishape).astype(np.float32)
ref_ex = relay.create_executor("graph", mod=ref_mod, ctx=tvm.cpu(0))
ref_res = ref_ex.evaluate()(i_data, **ref_params)
compile_engine.get().clear()
mod = get_partitoned_mod(mod, params, dnnl_patterns)
check_result(mod, {"data": i_data}, out_shape, ref_res.asnumpy(), tol=1e-5, params=params)
def check_vm_result():
compile_engine.get().clear()
with tvm.transform.PassContext(opt_level=3):
exe = relay.vm.compile(mod, target=target, params=params)
code, lib = exe.save()
lib = update_lib(lib)
exe = runtime.vm.Executable.load_exec(code, lib)
vm = runtime.vm.VirtualMachine(exe, ctx)
outs = vm.run(**map_inputs)
outs = outs if isinstance(outs, runtime.container.ADT) else [outs]
results = result if isinstance(result, list) else [result]
for out, ref in zip(outs, results):
tvm.testing.assert_allclose(out.asnumpy(), ref, rtol=tol, atol=tol)
def check_graph_runtime_result():
compile_engine.get().clear()
with relay.build_config(opt_level=3):
json, lib, param = relay.build(mod, target=target, params=params)
rt_mod = tvm.contrib.graph_runtime.create(json, lib, ctx)
for name, data in map_inputs.items():
rt_mod.set_input(name, data)
rt_mod.set_input(**param)
rt_mod.run()
out = tvm.nd.empty(out_shape, ctx=ctx)
out = rt_mod.get_output(0, out)
tvm.testing.assert_allclose(out.asnumpy(), ref_result, rtol=tol, atol=tol)
def tune_and_evaluate(mod, params, input_shape, dtype, measure_top_n, target,
tuning_opt, graph_log_file, best_results_file):
"""Tune a model with the ranking model and evaluate the performance."""
sys.stderr.write("Extract conv2d tasks...\n")
tasks = autotvm.task.extract_from_program(mod["main"],
target=target,
params=params)
# Run tuning tasks.
if graph_log_file is not None and not os.path.exists(graph_log_file):
best_results = tune_kernels(tasks, True, measure_top_n, **tuning_opt)
tune_graph(mod["main"], input_shape[1], target,
tuning_opt['log_filename'], graph_log_file)
else:
best_results = tune_kernels(tasks, False, measure_top_n, **tuning_opt)
with open(best_results_file, 'w') as of:
json.dump(best_results, of)
dispatch_ctx = tvm.autotvm.task.DispatchContext.current
if graph_log_file is not None and os.path.exists(graph_log_file):
sys.stderr.write("Compile model with graph tuning...\n")
tvm.autotvm.task.DispatchContext.current = autotvm.apply_graph_best(
graph_log_file)
elif os.path.exists(tuning_opt['log_filename']):
sys.stderr.write("Compile model without graph tuning...\n")
tvm.autotvm.task.DispatchContext.current = autotvm.apply_history_best(
tuning_opt['log_filename'])
else:
sys.stderr.write("Compile model with fallback + tophub...\n")
compile_engine.get().clear()
with relay.build_config(opt_level=3):
graph, lib, params = relay.build_module.build(mod,
target=target,
params=params)
tvm.autotvm.task.DispatchContext.current = dispatch_ctx
# Load parameters.
ctx = tvm.context(str(target), 0)
module = runtime.create(graph, lib, ctx)
data_tvm = tvm.nd.array(
(np.random.uniform(size=input_shape[1])).astype(dtype))
module.set_input(input_shape[0], data_tvm)
module.set_input(**params)
# Evaluate performance.
sys.stderr.write("Evaluate inference time cost...\n")
ftimer = module.module.time_evaluator("run", ctx, number=100, repeat=3)
prof_res = np.array(ftimer().results) * 1000 # convert to millisecond
sys.stderr.write("Median inference time: %.2f ms\n" % np.median(prof_res))
def __init__(self, mod, tgt) -> None:
super().__init__()
self.mod = mod
self.tgt = tgt
self.engine = compile_engine.get()
self.bindings = [[]]
self.gv_map = {}
def generate_ref_data(mod, input_data, params=None, target="llvm"):
"""Generate reference data through executing the relay module"""
compile_engine.get().clear()
with tvm.transform.PassContext(opt_level=3):
lib = relay.build(mod, target=target, params=params)
lib_name = "mod.so"
temp = utils.tempdir()
lib_path = temp.relpath(lib_name)
lib.export_library(lib_path)
lib = tvm.runtime.load_module(lib_path)
grt_mod = graph_executor.GraphModule(lib["default"](tvm.cpu()))
grt_mod.set_input(**input_data)
grt_mod.run()
output_count = grt_mod.get_num_outputs()
out = [grt_mod.get_output(i).numpy() for i in range(output_count)]
return out
def __init__(self, mod, target) -> None:
super().__init__()
self.mod = mod
self.tgt = target
self.engine = compile_engine.get()
self.fun_no = 0
self.var_no = 0
self.var_map = {}
def test_extern_dnnl_mobilenet():
if not tvm.get_global_func("relay.ext.dnnl", True):
print("skip because DNNL codegen is not available")
return
dtype = "float32"
ishape = (1, 3, 224, 224)
ref_mod, params = relay.testing.mobilenet.get_workload(batch_size=1, dtype="float32")
mod = transform.AnnotateTarget(["dnnl"])(ref_mod)
mod = transform.MergeCompilerRegions()(mod)
mod = transform.PartitionGraph()(mod)
i_data = np.random.uniform(0, 1, ishape).astype(dtype)
ref_ex = relay.create_executor("graph", mod=ref_mod, ctx=tvm.cpu(0))
ref_res = ref_ex.evaluate()(i_data, **params)
compile_engine.get().clear()
check_result(mod, {"data": i_data}, (1, 1000), ref_res.asnumpy(), tol=1e-5, params=params)
def check_graph_runtime_result():
compile_engine.get().clear()
with tvm.transform.PassContext(opt_level=3):
json, lib, param = relay.build(mod, target=target, params=params)
lib = update_lib(lib)
rt_mod = tvm.contrib.graph_runtime.create(json, lib, ctx)
for name, data in map_inputs.items():
rt_mod.set_input(name, data)
rt_mod.set_input(**param)
rt_mod.run()
out_shapes = out_shape if isinstance(out_shape, list) else [out_shape]
results = result if isinstance(result, list) else [result]
for idx, shape in enumerate(out_shapes):
out = tvm.nd.empty(shape, ctx=ctx)
out = rt_mod.get_output(idx, out)
tvm.testing.assert_allclose(out.asnumpy(), results[idx], rtol=tol, atol=tol)
def tune_and_evaluate(mod, params, inputs, dtype, measure_top_n, target,
tuning_opt, ref_log_filename):
"""Tune a model with the ranking model and evaluate the performance."""
sys.stderr.write("Extract conv2d tasks...\n")
tasks = autotvm.task.extract_from_program(mod["main"],
target=target,
params=params)
tic = time.time()
dispatch_ctx = tvm.autotvm.task.DispatchContext.current
if not os.path.exists(tuning_opt["log_filename"]):
tune_kernels(tasks, measure_top_n, **tuning_opt)
sys.stderr.write("Tuning time: %.2f mins\n" %
((time.time() - tic) / 60))
sys.stderr.write("Compile new tuned model...\n")
tvm.autotvm.task.DispatchContext.current = autotvm.apply_history_best(
tuning_opt["log_filename"])
compile_engine.get().clear()
with relay.build_config(opt_level=3):
lib = relay.build_module.build(mod, target=target, params=params)
tvm.autotvm.task.DispatchContext.current = dispatch_ctx
sys.stderr.write("Compile baseline model...\n")
compile_engine.get().clear()
with relay.build_config(opt_level=3):
base_lib = relay.build_module.build(mod, target=target, params=params)
ref_lib = None
if os.path.exists(ref_log_filename):
sys.stderr.write("Compile reference model...\n")
tvm.autotvm.task.DispatchContext.current = autotvm.apply_history_best(
ref_log_filename)
compile_engine.get().clear()
with relay.build_config(opt_level=3):
ref_lib = relay.build_module.build(mod,
target=target,
params=params)
tvm.autotvm.task.DispatchContext.current = dispatch_ctx
ctx = tvm.context(str(target), 0)
data_tvm = {}
for name, shape in inputs.items():
data_tvm[name] = tvm.nd.array(
(np.random.uniform(size=shape)).astype(dtype))
# Evaluate baseline module
sys.stderr.write("Baseline\n")
evaluate(base_lib, ctx, data_tvm, dtype)
# Evaluate reference module
if ref_lib:
sys.stderr.write("Reference\n")
evaluate(ref_lib, ctx, data_tvm, dtype)
# Evaluate module
evaluate(lib, ctx, data_tvm, dtype)
