[Apache TVM Discuss] [Questions] Buffer bind scope mismatch

[Wu Zheng via Apache TVM Discuss]

I am wandering what does this error mean?

`Check failed: arg->scope == value->scope: Argument local.in_buffer Buffer bind 
scope mismatch`

Here I code a matrix multiplication and I want to intrisic to tensorize, as the 
code follows:

    data = tvm.te.placeholder((64, 64), dtype="int8", name="data")
    kernel = tvm.te.placeholder((64, 64), dtype="int8", name="kernel")

    out_type = "int16"
    oshape = (64, 64)

    # define the conv2d operator over the padded data
    k = te.reduce_axis((0, 64), name="k_w")
    hstride, wstride = 1, 1
    res = te.compute(
        oshape,
        lambda bo, co: te.sum(
            data[bo, k].astype(out_type) * kernel[k, co].astype(out_type),
            axis=k,
        ),
        name="res",
    )

    s = tvm.te.create_schedule(res.op)

    env = get_env()

    x, y= s[res].op.axis

    s[res].tensorize(x, gemm(env, 0, 4, 4, 4))
    s[res].pragma(x, "import_llvm", intrin_impl())

    code = tvm.lower(s, [data, kernel, res], simple_mode=True)
    print(code)

While the in intrisic, I declared the buffer, as the code follows:

    inp_layout = tvm.tir.decl_buffer(
        inp.shape,
        inp.dtype,
        env.in_scope,
        scope=env.in_scope,
        offset_factor=in_lanes,
        data_alignment=in_lanes,
    )

I am wandering what does  the error mean? what is arg? what is value?
If anyone have any idea, please share with me. I will be very happy to accept 
any advice. And if you have any question about my code, please let me know.





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