Rename gpu to cuda, and bump dlpack to v0.5

apps/topi_recipe/broadcast/test_broadcast_map.py

@@ -65,8 +65,8 @@ def test_broadcast_to(in_shape, out_shape):
     data_npy = np.random.uniform(size=in_shape).astype(A.dtype)
     out_npy = np.broadcast_to(data_npy, out_shape)
 
-    data_nd = tvm.nd.array(data_npy, tvm.gpu())
-    out_nd = tvm.nd.array(np.empty(out_shape).astype(B.dtype), tvm.gpu())
+    data_nd = tvm.nd.array(data_npy, tvm.cuda())
+    out_nd = tvm.nd.array(np.empty(out_shape).astype(B.dtype), tvm.cuda())
     for _ in range(2):
         fcuda(data_nd, out_nd)
     tvm.testing.assert_allclose(out_nd.asnumpy(), out_npy)
@@ -116,9 +116,9 @@ def test_broadcast_binary_op(lhs_shape, rhs_shape, typ="add"):
         out_npy = np.maximum(lhs_npy, rhs_npy)
     elif typ == "minimum":
         out_npy = np.minimum(lhs_npy, rhs_npy)
-    lhs_nd = tvm.nd.array(lhs_npy, tvm.gpu())
-    rhs_nd = tvm.nd.array(rhs_npy, tvm.gpu())
-    out_nd = tvm.nd.array(np.empty(out_npy.shape).astype(B.dtype), tvm.gpu())
+    lhs_nd = tvm.nd.array(lhs_npy, tvm.cuda())
+    rhs_nd = tvm.nd.array(rhs_npy, tvm.cuda())
+    out_nd = tvm.nd.array(np.empty(out_npy.shape).astype(B.dtype), tvm.cuda())
     for _ in range(2):
         fcuda(lhs_nd, rhs_nd, out_nd)
     tvm.testing.assert_allclose(out_nd.asnumpy(), out_npy)

apps/topi_recipe/reduce/test_reduce_map.py

@@ -78,8 +78,8 @@ def test_reduce_map(in_shape, axis, keepdims, type="sum", test_id=0):
     else:
         raise NotImplementedError
 
-    data_tvm = tvm.nd.array(in_npy, device=tvm.gpu())
-    out_tvm = tvm.nd.empty(shape=out_npy.shape, device=tvm.gpu())
+    data_tvm = tvm.nd.array(in_npy, device=tvm.cuda())
+    out_tvm = tvm.nd.empty(shape=out_npy.shape, device=tvm.cuda())
 
     for _ in range(2):
         fcuda(data_tvm, out_tvm)

apps/topi_recipe/rnn/lstm.py

@@ -171,7 +171,7 @@ def lstm():
     def check_device(target):
         num_step = n_num_step
         flstm = tvm.build(s, [Xi2h, Wh2h, scan_h, scan_c], target)
-        dev = tvm.gpu(0) if target == "cuda" else tvm.cl(0)
+        dev = tvm.cuda(0) if target == "cuda" else tvm.cl(0)
         # launch the kernel.
         scan_h_np = np.zeros((num_step, batch_size, num_hidden)).astype("float32")
         scan_c_np = np.zeros((num_step, batch_size, num_hidden)).astype("float32")

apps/topi_recipe/rnn/matexp.py

@@ -140,7 +140,7 @@ def check_device(target):
             }
         ):
             f = tvm.build(s, [s_scan, Whh], target)
-        dev = tvm.gpu(0) if target == "cuda" else tvm.cl(0)
+        dev = tvm.cuda(0) if target == "cuda" else tvm.cl(0)
         # launch the kernel.
         res_np = np.zeros((n_num_step, n_batch_size, n_num_hidden)).astype("float32")
         Whh_np = np.zeros((n_num_hidden, n_num_hidden)).astype("float32")
@@ -160,16 +160,16 @@ def check_device(target):
         print("Time cost=%g" % tgap)
         # correctness
         if not SKIP_CHECK:
-            res_gpu = res_a.asnumpy()
+            res_cuda = res_a.asnumpy()
             res_cmp = np.ones_like(res_np).astype("float64")
             Whh_np = Whh_np.astype("float64")
             for t in range(1, n_num_step):
                 res_cmp[t][:] = np.dot(res_cmp[t - 1], Whh_np)
             for i in range(n_num_step):
                 for j in range(n_num_hidden):
-                    if abs(res_cmp[i, 0, j] - res_gpu[i, 0, j]) > 1e-5:
-                        print("%d, %d: %g vs %g" % (i, j, res_cmp[i, 0, j], res_gpu[i, 0, j]))
-            tvm.testing.assert_allclose(res_gpu, res_cmp, rtol=1e-3)
+                    if abs(res_cmp[i, 0, j] - res_cuda[i, 0, j]) > 1e-5:
+                        print("%d, %d: %g vs %g" % (i, j, res_cmp[i, 0, j], res_cuda[i, 0, j]))
+            tvm.testing.assert_allclose(res_cuda, res_cmp, rtol=1e-3)
 
     check_device("cuda")
 

docs/deploy/tensorrt.rst

@@ -124,7 +124,7 @@ have to be built.
 
 .. code:: python
 
-    dev = tvm.gpu(0)
+    dev = tvm.cuda(0)
     loaded_lib = tvm.runtime.load_module('compiled.so')
     gen_module = tvm.contrib.graph_executor.GraphModule(loaded_lib['default'](dev))
     input_data = np.random.uniform(0, 1, input_shape).astype(dtype)

docs/dev/index.rst

@@ -144,7 +144,7 @@ The main goal of TVM's runtime is to provide a minimal API for loading and execu
     import tvm
     # Example runtime execution program in python, with type annotated
     mod: tvm.runtime.Module = tvm.runtime.load_module("compiled_artifact.so")
-    arr: tvm.runtime.NDArray = tvm.nd.array([1, 2, 3], device=tvm.gpu(0))
+    arr: tvm.runtime.NDArray = tvm.nd.array([1, 2, 3], device=tvm.cuda(0))
     fun: tvm.runtime.PackedFunc = mod["addone"]
     fun(a)
     print(a.asnumpy())
@@ -164,8 +164,8 @@ The above example only deals with a simple `addone` function. The code snippet b
    import tvm
    # Example runtime execution program in python, with types annotated
    factory: tvm.runtime.Module = tvm.runtime.load_module("resnet18.so")
-   # Create a stateful graph execution module for resnet18 on gpu(0)
-   gmod: tvm.runtime.Module = factory["resnet18"](tvm.gpu(0))
+   # Create a stateful graph execution module for resnet18 on cuda(0)
+   gmod: tvm.runtime.Module = factory["resnet18"](tvm.cuda(0))
    data: tvm.runtime.NDArray = get_input_data()
    # set input
    gmod["set_input"](0, data)

golang/src/device.go

@@ -29,10 +29,10 @@ import "C"
 
 // KDLCPU is golang enum correspond to TVM device type kDLCPU.
 var KDLCPU                  = int32(C.kDLCPU)
-// KDLGPU is golang enum correspond to TVM device type kDLGPU.
-var KDLGPU                  = int32(C.kDLGPU)
-// KDLCPUPinned is golang enum correspond to TVM device type kDLCPUPinned.
-var KDLCPUPinned            = int32(C.kDLCPUPinned)
+// kDLCUDA is golang enum correspond to TVM device type kDLCUDA.
+var kDLCUDA                  = int32(C.kDLCUDA)
+// kDLCUDAHost is golang enum correspond to TVM device type kDLCUDAHost.
+var kDLCUDAHost            = int32(C.kDLCUDAHost)
 // KDLOpenCL is golang enum correspond to TVM device type kDLOpenCL.
 var KDLOpenCL               = int32(C.kDLOpenCL)
 // KDLMetal is golang enum correspond to TVM device type kDLMetal.
@@ -61,14 +61,14 @@ func CPU(index int32) Device {
     return Device{KDLCPU, index}
 }
 
-// GPU returns the Device object for GPU target on given index
-func GPU(index int32) Device {
-    return Device{KDLGPU, index}
+// CUDA returns the Device object for CUDA target on given index
+func CUDA(index int32) Device {
+    return Device{kDLCUDA, index}
 }
 
-// CPUPinned returns the Device object for CPUPinned target on given index
-func CPUPinned(index int32) Device {
-    return Device{KDLCPUPinned, index}
+// CUDAHost returns the Device object for CUDAHost target on given index
+func CUDAHost(index int32) Device {
+    return Device{kDLCUDAHost, index}
 }
 
 // OpenCL returns the Device object for OpenCL target on given index

include/tvm/runtime/device_api.h

@@ -231,10 +231,10 @@ inline const char* DeviceName(int type) {
   switch (type) {
     case kDLCPU:
       return "cpu";
-    case kDLGPU:
-      return "gpu";
-    case kDLCPUPinned:
-      return "cpu_pinned";
+    case kDLCUDA:
+      return "cuda";
+    case kDLCUDAHost:
+      return "cuda_host";
     case kDLOpenCL:
       return "opencl";
     case kDLSDAccel:

python/tvm/__init__.py

@@ -30,7 +30,7 @@
 # top-level alias
 # tvm.runtime
 from .runtime.object import Object
-from .runtime.ndarray import device, cpu, gpu, opencl, cl, vulkan, metal, mtl
+from .runtime.ndarray import device, cpu, cuda, gpu, opencl, cl, vulkan, metal, mtl
 from .runtime.ndarray import vpi, rocm, ext_dev, micro_dev, hexagon
 from .runtime import ndarray as nd
 

python/tvm/_ffi/runtime_ctypes.py

@@ -164,7 +164,7 @@ class Device(ctypes.Structure):
     _fields_ = [("device_type", ctypes.c_int), ("device_id", ctypes.c_int)]
     MASK2STR = {
         1: "cpu",
-        2: "gpu",
+        2: "cuda",
         4: "opencl",
         5: "aocl",
         6: "sdaccel",
@@ -182,7 +182,6 @@ class Device(ctypes.Structure):
         "stackvm": 1,
         "cpu": 1,
         "c": 1,
-        "gpu": 2,
         "cuda": 2,
         "nvptx": 2,
         "cl": 4,

python/tvm/contrib/nvcc.py

@@ -249,8 +249,8 @@ def get_target_compute_version(target=None):
         return major + "." + minor
 
     # 3. GPU
-    if tvm.gpu(0).exist:
-        return tvm.gpu(0).compute_version
+    if tvm.cuda(0).exist:
+        return tvm.cuda(0).compute_version
 
     warnings.warn(
         "No CUDA architecture was specified or GPU detected."
@@ -331,8 +331,8 @@ def have_tensorcore(compute_version=None, target=None):
         isn't specified.
     """
     if compute_version is None:
-        if tvm.gpu(0).exist:
-            compute_version = tvm.gpu(0).compute_version
+        if tvm.cuda(0).exist:
+            compute_version = tvm.cuda(0).compute_version
         else:
             if target is None or "arch" not in target.attrs:
                 warnings.warn(

python/tvm/runtime/__init__.py

@@ -26,7 +26,7 @@
 
 # function exposures
 from .object_generic import convert_to_object, convert, const
-from .ndarray import device, cpu, gpu, opencl, cl, vulkan, metal, mtl
+from .ndarray import device, cpu, cuda, gpu, opencl, cl, vulkan, metal, mtl
 from .ndarray import vpi, rocm, ext_dev, micro_dev
 from .module import load_module, enabled, system_lib
 from .container import String

python/tvm/runtime/ndarray.py

@@ -17,6 +17,7 @@
 # pylint: disable=invalid-name, unused-import, redefined-outer-name
 """Runtime NDArray API"""
 import ctypes
+import warnings
 import numpy as np
 import tvm._ffi
 
@@ -254,8 +255,7 @@ def device(dev_type, dev_id=0):
     .. code-block:: python
 
       assert tvm.device("cpu", 1) == tvm.cpu(1)
-      assert tvm.device("gpu", 0) == tvm.gpu(0)
-      assert tvm.device("cuda", 0) == tvm.gpu(0)
+      assert tvm.device("cuda", 0) == tvm.cuda(0)
     """
     if isinstance(dev_type, string_types):
         if "-device=micro_dev" in dev_type:
@@ -362,9 +362,27 @@ def cpu(dev_id=0):
     return Device(1, dev_id)
 
 
+def cuda(dev_id=0):
+    """Construct a CUDA GPU device
+
+    Parameters
+    ----------
+    dev_id : int, optional
+        The integer device id
+
+    Returns
+    -------
+    dev : Device
+        The created device
+    """
+    return Device(2, dev_id)
+
+
 def gpu(dev_id=0):
-    """Construct a GPU device
+    """Construct a CUDA GPU device
 
+        deprecated:: 0.9.0
+        Use :py:func:`tvm.cuda` instead.
     Parameters
     ----------
     dev_id : int, optional
@@ -375,6 +393,9 @@ def gpu(dev_id=0):
     dev : Device
         The created device
     """
+    warnings.warn(
+        "Please use tvm.cuda() instead of tvm.gpu(). tvm.gpu() is going to be deprecated in 0.9.0",
+    )
     return Device(2, dev_id)
 
 

python/tvm/testing.py

@@ -464,9 +464,9 @@ def _compose(args, decs):
 
 
 def uses_gpu(*args):
-    """Mark to differentiate tests that use the GPU is some capacity.
+    """Mark to differentiate tests that use the GPU in some capacity.
 
-    These tests will be run on CPU-only test nodes and on test nodes with GPUS.
+    These tests will be run on CPU-only test nodes and on test nodes with GPUs.
     To mark a test that must have a GPU present to run, use
     :py:func:`tvm.testing.requires_gpu`.
 
@@ -490,7 +490,7 @@ def requires_gpu(*args):
         Function to mark
     """
     _requires_gpu = [
-        pytest.mark.skipif(not tvm.gpu().exist, reason="No GPU present"),
+        pytest.mark.skipif(not tvm.cuda().exist, reason="No GPU present"),
         *uses_gpu(),
     ]
     return _compose(args, _requires_gpu)
@@ -499,7 +499,7 @@ def requires_gpu(*args):
 def requires_cuda(*args):
     """Mark a test as requiring the CUDA runtime.
 
-    This also marks the test as requiring a gpu.
+    This also marks the test as requiring a cuda gpu.
 
     Parameters
     ----------
@@ -618,7 +618,7 @@ def requires_tensorcore(*args):
     _requires_tensorcore = [
         pytest.mark.tensorcore,
         pytest.mark.skipif(
-            not tvm.gpu().exist or not nvcc.have_tensorcore(tvm.gpu(0).compute_version),
+            not tvm.cuda().exist or not nvcc.have_tensorcore(tvm.cuda(0).compute_version),
             reason="No tensorcore present",
         ),
         *requires_gpu(),

python/tvm/topi/cuda/conv2d_alter_op.py

@@ -225,7 +225,7 @@ def _alter_conv2d_layout(attrs, inputs, tinfos, out_type):
 
     if topi_tmpl == "conv2d_HWNCnc_tensorcore.cuda":
         assert data_layout == "HWNC" and kernel_layout == "HWOI"
-        assert float(tvm.gpu(0).compute_version) >= 7.5
+        assert float(tvm.cuda(0).compute_version) >= 7.5
         H, W, N, CI = get_const_tuple(data.shape)
         KH, KW, CO, _ = get_const_tuple(kernel.shape)
 

python/tvm/topi/cuda/nms.py

@@ -878,7 +878,7 @@ def non_max_suppression(
         np_valid_count = np.array([4])
         s = topi.generic.schedule_nms(out)
         f = tvm.build(s, [data, valid_count, out], "cuda")
-        dev = tvm.gpu(0)
+        dev = tvm.cuda(0)
         tvm_data = tvm.nd.array(np_data, dev)
         tvm_valid_count = tvm.nd.array(np_valid_count, dev)
         tvm_out = tvm.nd.array(np.zeros(dshape, dtype=data.dtype), dev)

rust/tvm-sys/src/device.rs

@@ -66,7 +66,7 @@ use thiserror::Error;
 pub enum DeviceType {
     CPU = 1,
     GPU,
-    CPUPinned,
+    CUDAHost,
     OpenCL,
     Vulkan,
     Metal,
@@ -101,8 +101,8 @@ impl Display for DeviceType {
             "{}",
             match self {
                 DeviceType::CPU => "cpu",
-                DeviceType::GPU => "gpu",
-                DeviceType::CPUPinned => "cpu_pinned",
+                DeviceType::GPU => "cuda",
+                DeviceType::CUDAHost => "cuda_host",
                 DeviceType::OpenCL => "opencl",
                 DeviceType::Vulkan => "vulkan",
                 DeviceType::Metal => "metal",
@@ -210,7 +210,7 @@ macro_rules! impl_tvm_device {
 
 impl_tvm_device!(
     DLDeviceType_kDLCPU: [cpu, llvm, stackvm],
-    DLDeviceType_kDLGPU: [gpu, cuda, nvptx],
+    DLDeviceType_kDLCUDA: [gpu, cuda, nvptx],
     DLDeviceType_kDLOpenCL: [cl],
     DLDeviceType_kDLMetal: [metal],
     DLDeviceType_kDLVPI: [vpi],

rust/tvm-sys/src/value.rs

@@ -86,7 +86,7 @@ macro_rules! impl_tvm_device {
 
 impl_tvm_device!(
     DLDeviceType_kDLCPU: [cpu, llvm, stackvm],
-    DLDeviceType_kDLGPU: [gpu, cuda, nvptx],
+    DLDeviceType_kDLCUDA: [gpu, cuda, nvptx],
     DLDeviceType_kDLOpenCL: [cl],
     DLDeviceType_kDLMetal: [metal],
     DLDeviceType_kDLVPI: [vpi],

src/auto_scheduler/search_policy/utils.h

@@ -53,7 +53,7 @@ inline bool IsCPUTask(const SearchTask& task) {
 
 /*! \brief Return whether the search task is targeting a GPU. */
 inline bool IsGPUTask(const SearchTask& task) {
-  return (task)->target->kind->device_type == kDLGPU ||
+  return (task)->target->kind->device_type == kDLCUDA ||
          (task)->target->kind->device_type == kDLOpenCL ||
          (task)->target->kind->device_type == kDLVulkan ||
          (task)->target->kind->device_type == kDLMetal ||
@@ -63,7 +63,7 @@ inline bool IsGPUTask(const SearchTask& task) {
 
 /*! \brief Return whether the search task is targeting a CUDA GPU. */
 inline bool IsCUDATask(const SearchTask& task) {
-  return (task)->target->kind->device_type == kDLGPU;
+  return (task)->target->kind->device_type == kDLCUDA;
 }
 
 /*! \brief Return whether the search task is targeting a OpenCL GPU. */

src/auto_scheduler/search_task.cc

@@ -57,11 +57,11 @@ HardwareParams HardwareParamsNode::GetDefaultHardwareParams(const Target& target
   const auto device_type = target->kind->device_type;
   if (device_type == kDLCPU) {
     return HardwareParams(tvm::runtime::threading::MaxConcurrency(), 64, 64, 0, 0, 0, 0, 0);
-  } else if (device_type == kDLGPU || device_type == kDLROCM) {
+  } else if (device_type == kDLCUDA || device_type == kDLROCM) {
     auto dev = Device{static_cast<DLDeviceType>(device_type), 0};
-    auto device_name = device_type == kDLGPU ? "device_api.gpu" : "device_api.rocm";
+    auto device_name = device_type == kDLCUDA ? "device_api.cuda" : "device_api.rocm";
     auto func = tvm::runtime::Registry::Get(device_name);
-    ICHECK(func != nullptr) << "Cannot find GPU device_api in registry";
+    ICHECK(func != nullptr) << "Cannot find CUDA device_api in registry";
     auto device_api = static_cast<tvm::runtime::DeviceAPI*>(((*func)()).operator void*());
 
     tvm::runtime::TVMRetValue ret;