tests/python/contrib/test_android/infrastructure.py

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# pylint: disable=invalid-name

""" Android testing infrastructure """

import os
import tvm
from tvm.meta_schedule.runner import RPCRunner, RPCConfig, EvaluatorConfig


def get_rpc_runner() -> tvm.meta_schedule.runner.RPCRunner:
    if (
        "TVM_TRACKER_HOST" in os.environ
        and "TVM_TRACKER_PORT" in os.environ
        and "RPC_DEVICE_KEY" in os.environ
    ):
        rpc_host = os.environ["TVM_TRACKER_HOST"]
        rpc_port = int(os.environ["TVM_TRACKER_PORT"])
        rpc_key = os.environ["RPC_DEVICE_KEY"]
    else:
        raise Exception("Please initialize environment variables for using RPC tracker")

    rpc_config = RPCConfig(
        tracker_host=rpc_host,
        tracker_port=rpc_port,
        tracker_key=rpc_key,
        session_priority=1,
        session_timeout_sec=100,
    )
    evaluator_config = EvaluatorConfig(
        number=1,
        repeat=1,
        min_repeat_ms=0,
    )
    return RPCRunner(rpc_config, evaluator_config)


def get_android_gpu_target() -> tvm.target.Target:
    """Creates a Android GPU target"""
    target_c = "opencl"
    target_h = "llvm -mtriple=arm64-linux-android"
    return tvm.target.Target(target_c, host=target_h)