Files
2026-07-13 13:33:03 +08:00

267 lines
8.5 KiB
Python

import ast
import tvm
from tvm import relay, autotvm
from tvm import rpc, relay
from tvm.contrib.download import download_testdata
from tvm.relay.expr_functor import ExprMutator
from tvm.relay import transform
from tvm.relay.op.annotation import compiler_begin, compiler_end
from tvm.relay.quantize.quantize import prerequisite_optimize
from tvm.contrib import utils, xcode, graph_runtime, coreml_runtime
from tvm.contrib.target import coreml as _coreml
from tvm.autotvm.tuner import XGBTuner, GATuner, RandomTuner, GridSearchTuner
import os
import re
import sys
import time
import numpy as np
from PIL import Image
# Set to be address of tvm proxy.
proxy_host = os.environ["TVM_IOS_RPC_PROXY_HOST"]
# Set your desination via env variable.
# Should in format "platform=iOS,id=<the test device uuid>"
destination = os.environ["TVM_IOS_RPC_DESTINATION"]
if not re.match(r"^platform=.*,id=.*$", destination):
print("Bad format: {}".format(destination))
print("Example of expected string: platform=iOS,id=1234567890abcabcabcabc1234567890abcabcab")
sys.exit(1)
proxy_port = 9090
key = "iphone"
# Change target configuration, this is setting for iphone6s
# arch = "x86_64"
# sdk = "iphonesimulator"
arch = "arm64"
sdk = "iphoneos"
target_host = "llvm -mtriple=%s-apple-darwin" % arch
input_name = 'input'
# override metal compiler to compile to iphone
@tvm.register_func("tvm_callback_metal_compile")
def compile_metal(src):
return xcode.compile_metal(src, sdk=sdk)
def prepare_input():
img_url = "https://github.com/dmlc/mxnet.js/blob/main/data/cat.png?raw=true"
img_name = "cat.png"
synset_url = "".join(
[
"https://gist.githubusercontent.com/zhreshold/",
"4d0b62f3d01426887599d4f7ede23ee5/raw/",
"596b27d23537e5a1b5751d2b0481ef172f58b539/",
"imagenet1000_clsid_to_human.txt",
]
)
synset_name = "imagenet1000_clsid_to_human.txt"
img_path = download_testdata(img_url, "cat.png", module="data")
synset_path = download_testdata(synset_url, synset_name, module="data")
with open(synset_path) as f:
synset = ast.literal_eval(f.read())
image = Image.open(img_path).resize((224, 224))
image = np.array(image) - np.array([123.0, 117.0, 104.0])
image /= np.array([58.395, 57.12, 57.375])
image = image.transpose((2, 0, 1))
image = image[np.newaxis, :]
return image.astype("float32"), synset
def get_model(model_name, data_shape):
import onnx
onnx_model = onnx.load(model_name)
input_name1 = "unique_ids_raw_output___9:0"
input_name2 = "segment_ids:0"
input_name3 = "input_mask:0"
input_name4 = "input_ids:0"
input_shape1 = [1]
input_shape2 = [1, 256]
shape_dict = { input_name1 : input_shape1, input_name2 : input_shape2, input_name3 : input_shape2, input_name4 : input_shape2 }
mod, params = relay.frontend.from_onnx(onnx_model, shape_dict)
# we want a probability so add a softmax operator
func = mod["main"]
'''
func = relay.Function(
func.params, relay.nn.softmax(func.body), None, func.type_params, func.attrs
)
'''
return func, params
network = 'resnet18'
log_file = "%s.log" % (network)
host = '192.168.31.138'
port = 9090
device_key = 'iphone'
tuning_option = {
"log_filename": log_file,
"tuner": "xgb",
"n_trial": 30,
"early_stopping": 30,
"measure_option": autotvm.measure_option(
builder=autotvm.LocalBuilder("default"),
runner=autotvm.RPCRunner(
device_key,
host=host,
port=port,
number=5,
timeout=10,
),
),
}
def tune_tasks(
tasks,
measure_option,
tuner="xgb",
n_trial=1000,
early_stopping=None,
log_filename="tuning.log",
use_transfer_learning=True,
):
# create tmp log file
tmp_log_file = log_filename + ".tmp"
if os.path.exists(tmp_log_file):
os.remove(tmp_log_file)
for i, tsk in enumerate(reversed(tasks)):
prefix = "[Task %2d/%2d] " % (i + 1, len(tasks))
# create tuner
if tuner == "xgb" or tuner == "xgb-rank":
tuner_obj = XGBTuner(tsk, loss_type="rank")
elif tuner == "xgb_knob":
tuner_obj = XGBTuner(tsk, loss_type="rank", feature_type="knob")
elif tuner == "xgb_itervar":
tuner_obj = XGBTuner(tsk, loss_type="rank", feature_type="itervar")
elif tuner == "xgb_curve":
tuner_obj = XGBTuner(tsk, loss_type="rank", feature_type="curve")
elif tuner == "ga":
tuner_obj = GATuner(tsk, pop_size=50)
elif tuner == "random":
tuner_obj = RandomTuner(tsk)
elif tuner == "gridsearch":
tuner_obj = GridSearchTuner(tsk)
else:
raise ValueError("Invalid tuner: " + tuner)
if use_transfer_learning:
if os.path.isfile(tmp_log_file):
tuner_obj.load_history(autotvm.record.load_from_file(tmp_log_file))
# process tuning
tsk_trial = min(n_trial, len(tsk.config_space))
tuner_obj.tune(
n_trial=tsk_trial,
early_stopping=early_stopping,
measure_option=measure_option,
callbacks=[
autotvm.callback.progress_bar(tsk_trial, prefix=prefix),
autotvm.callback.log_to_file(tmp_log_file),
],
)
# pick best records to a cache file
autotvm.record.pick_best(tmp_log_file, log_filename)
os.remove(tmp_log_file)
def inference(model_name):
temp = utils.tempdir()
image, synset = prepare_input()
model, params = get_model(model_name, image.shape)
def run(mod, target):
import time
t1 = time.time()
with relay.build_config(opt_level=3):
lib = relay.build(mod, target=target, target_host=target_host, params=params)
t2 = time.time()
print("Compile time: %.3f sec" % (t2 - t1))
# path_dso = temp.relpath("deploy.dylib")
path_dso = '/Users/wangzhaode/tvm/apps/ios_rpc/deploy.dylib'
lib.export_library(path_dso, xcode.create_dylib, arch=arch, sdk=sdk)
xcode.codesign(path_dso)
# Start RPC test server that contains the compiled library.
xcode.popen_test_rpc(proxy_host, proxy_port, key, destination=destination, libs=[path_dso])
# connect to the proxy
remote = rpc.connect(proxy_host, proxy_port, key=key)
if target == "metal":
ctx = remote.metal(0)
else:
ctx = remote.cpu(0)
lib = remote.load_module("deploy.dylib")
m = graph_runtime.GraphModule(lib["default"](ctx))
input_name1 = "unique_ids_raw_output___9:0"
input_name2 = "segment_ids:0"
input_name3 = "input_mask:0"
input_name4 = "input_ids:0"
dtype = 'int64'
input_shape1 = [1]
input_shape2 = [1, 256]
data_1 = tvm.nd.array((np.random.uniform(size=input_shape1)).astype(dtype))
data_2 = tvm.nd.array((np.random.uniform(size=input_shape2)).astype(dtype))
m.set_input(input_name1, data_1)
m.set_input(input_name2, data_2)
m.set_input(input_name3, data_2)
m.set_input(input_name4, data_2)
'''
m.run()
tvm_output = m.get_output(0)
top1 = np.argmax(tvm_output.asnumpy()[0])
print("TVM prediction top-1:", top1, synset[top1])
'''
# evaluate
ftimer = m.module.time_evaluator("run", ctx, number=1, repeat=20)
prof_res = np.array(ftimer().results) * 1000
print("%-19s (%s)" % ("%.2f ms" % np.mean(prof_res), "%.2f ms" % np.std(prof_res)))
def annotate(func, compiler):
"""
An annotator for Core ML.
"""
# Bind free variables to the constant values.
bind_dict = {}
for arg in func.params:
name = arg.name_hint
if name in params:
bind_dict[arg] = relay.const(params[name])
func = relay.bind(func, bind_dict)
# Annotate the entire graph for Core ML
mod = tvm.IRModule()
mod["main"] = func
seq = tvm.transform.Sequential(
[
transform.SimplifyInference(),
transform.FoldConstant(),
transform.FoldScaleAxis(),
transform.AnnotateTarget(compiler),
transform.MergeCompilerRegions(),
transform.PartitionGraph(),
]
)
with relay.build_config(opt_level=3):
mod = seq(mod)
return mod
# CPU
run(model, target_host)
if __name__ == "__main__":
inference(sys.argv[1])