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[Unity] Disco: A Framework-Agnostic SPMD Runtime for Distributed Inference/Training #15622

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Aug 28, 2023
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15 changes: 15 additions & 0 deletions CMakeLists.txt
Original file line number Diff line number Diff line change
Expand Up @@ -6,6 +6,7 @@ include(cmake/utils/Utils.cmake)
include(cmake/utils/Summary.cmake)
include(cmake/utils/Linker.cmake)
include(cmake/utils/FindCUDA.cmake)
include(cmake/utils/FindNCCL.cmake)
include(cmake/utils/FindOpenCL.cmake)
include(cmake/utils/FindVulkan.cmake)
include(cmake/utils/FindLLVM.cmake)
Expand All @@ -25,6 +26,7 @@ endif()
# and add set(OPTION VALUE) to override these build options.
# Alernatively, use cmake -DOPTION=VALUE through command-line.
tvm_option(USE_CUDA "Build with CUDA" OFF)
tvm_option(USE_NCCL "Build with NCCL" OFF)
tvm_option(USE_OPENCL "Build with OpenCL" OFF)
tvm_option(USE_OPENCL_ENABLE_HOST_PTR "Enable OpenCL memory object access to host" OFF)
tvm_option(USE_OPENCL_GTEST "Path to OpenCL specific gtest version for runtime cpp tests." /path/to/opencl/gtest)
Expand Down Expand Up @@ -350,6 +352,7 @@ list(APPEND COMPILER_SRCS "src/target/datatype/myfloat/myfloat.cc")
tvm_file_glob(GLOB RUNTIME_SRCS
src/runtime/*.cc
src/runtime/vm/*.cc
src/runtime/disco/*.cc
src/runtime/minrpc/*.cc
src/runtime/relax_vm/*.cc
)
Expand Down Expand Up @@ -434,6 +437,13 @@ if(USE_PROFILER)
list(APPEND RUNTIME_SRCS ${RUNTIME_VM_PROFILER_SRCS})
endif(USE_PROFILER)

if(USE_CUDA AND USE_NCCL)
message(STATUS "Build with NCCL...")
find_nccl(${USE_NCCL})
tvm_file_glob(GLOB RUNTIME_NCCL_SRC src/runtime/disco/nccl/*.cc)
list(APPEND RUNTIME_SRCS ${RUNTIME_NCCL_SRC})
endif()

if(USE_AOT_EXECUTOR)
message(STATUS "Build with AOT Executor support...")
file(GLOB RUNTIME_AOT_EXECUTOR_SRCS src/runtime/aot_executor/*.cc)
Expand Down Expand Up @@ -850,3 +860,8 @@ if(USE_CUDA AND USE_CUTLASS)
target_link_libraries(tvm PRIVATE -Wl,--no-as-needed flash_attn)
target_link_libraries(tvm_runtime PRIVATE -Wl,--no-as-needed flash_attn)
endif()

if(USE_CUDA AND USE_NCCL)
target_link_libraries(tvm_runtime PRIVATE nccl)
target_link_libraries(tvm PRIVATE nccl)
endif()
6 changes: 6 additions & 0 deletions cmake/config.cmake
Original file line number Diff line number Diff line change
Expand Up @@ -48,6 +48,12 @@
# - /path/to/cuda: use specific path to cuda toolkit
set(USE_CUDA OFF)

# Whether to enable NCCL support:
# - ON: enable NCCL with cmake's auto search
# - OFF: disable NCCL
# - /path/to/nccl: use specific path to nccl
set(USE_NCCL OFF)

# Whether enable ROCM runtime
#
# Possible values:
Expand Down
1 change: 1 addition & 0 deletions cmake/modules/LibInfo.cmake
Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,7 @@ function(add_lib_info src_file)
TVM_INFO_USE_CPP_RTVM="${USE_CPP_RTVM}"
TVM_INFO_USE_CUBLAS="${USE_CUBLAS}"
TVM_INFO_USE_CUDA="${USE_CUDA}"
TVM_INFO_USE_NCCL="${USE_NCCL}"
TVM_INFO_USE_CUDNN="${USE_CUDNN}"
TVM_INFO_USE_CUSTOM_LOGGING="${USE_CUSTOM_LOGGING}"
TVM_INFO_USE_CUTLASS="${USE_CUTLASS}"
Expand Down
56 changes: 56 additions & 0 deletions cmake/utils/FindNCCL.cmake
Original file line number Diff line number Diff line change
@@ -0,0 +1,56 @@
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
#
# Variables used by this module, they can change the default behaviour and need
# to be set before calling find_package:
#
# NCCL_ROOT - When set, this path is inspected instead of standard library
# locations as the root of the NCCL installation.
# The environment variable NCCL_ROOT overrides this variable.
#
# This module defines
# Nccl_FOUND, whether nccl has been found
# NCCL_INCLUDE_DIR, directory containing header
# NCCL_LIBRARY, directory containing nccl library
# This module assumes that the user has already called find_package(CUDA)

macro(find_nccl use_nccl)
if(${use_nccl} MATCHES ${IS_FALSE_PATTERN})
return()
endif()
if(${use_nccl} MATCHES ${IS_TRUE_PATTERN})
find_path(NCCL_INCLUDE_DIR NAMES nccl.h)
find_library(NCCL_LIBRARY NAMES nccl)
else()
find_path(NCCL_INCLUDE_DIR NAMES nccl.h HINTS ${use_nccl} ${use_nccl}/include)
find_library(NCCL_LIBRARY NAMES nccl HINTS ${use_nccl} ${use_nccl}/lib)
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Nccl DEFAULT_MSG NCCL_INCLUDE_DIR NCCL_LIBRARY)
if (Nccl_FOUND)
message(STATUS "Found NCCL_LIBRARY: ${NCCL_LIBRARY}")
message(STATUS "Found NCCL_INCLUDE_DIR: ${NCCL_INCLUDE_DIR}")
add_library(nccl SHARED IMPORTED)
set_target_properties(nccl
PROPERTIES
INTERFACE_INCLUDE_DIRECTORIES "${NCCL_INCLUDE_DIR}"
IMPORTED_LOCATION "${NCCL_LIBRARY}")
else()
message(STATUS "NCCL not found")
endif()
mark_as_advanced(NCCL_INCLUDE_DIR NCCL_LIBRARY)
endmacro(find_nccl)
46 changes: 46 additions & 0 deletions include/tvm/relax/attrs/ccl.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,46 @@
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/

/*!
* \file tvm/relax/attrs/ccl.h
* \brief Attributes for ccl operators.
*/
#ifndef TVM_RELAX_ATTRS_CCL_H_
#define TVM_RELAX_ATTRS_CCL_H_

#include <tvm/relax/expr.h>

namespace tvm {
namespace relax {

/*! \brief Attributes used in allreduce operators */
struct AllReduceAttrs : public tvm::AttrsNode<AllReduceAttrs> {
String op_type;

TVM_DECLARE_ATTRS(AllReduceAttrs, "relax.attrs.AllReduceAttrs") {
TVM_ATTR_FIELD(op_type).describe(
"The type of reduction operation to be applied to the input data. Now only sum is "
"supported.");
}
}; // struct AllReduceAttrs

} // namespace relax
} // namespace tvm

#endif // TVM_RELAX_ATTRS_CCL_H_
1 change: 1 addition & 0 deletions include/tvm/runtime/data_type.h
Original file line number Diff line number Diff line change
Expand Up @@ -339,6 +339,7 @@ inline const char* DLDataTypeCode2Str(DLDataTypeCode type_code) {
default:
LOG(FATAL) << "unknown type_code=" << static_cast<int>(type_code);
}
throw;
}

inline std::ostream& operator<<(std::ostream& os, DLDataType t) { // NOLINT(*)
Expand Down
50 changes: 1 addition & 49 deletions include/tvm/runtime/device_api.h
Original file line number Diff line number Diff line change
Expand Up @@ -245,54 +245,6 @@ class TVM_DLL DeviceAPI {
constexpr int kRPCSessMask = 128;
static_assert(kRPCSessMask >= TVMDeviceExtType_End);

/*!
* \brief The name of Device API factory.
* \param type The device type.
* \return the device name.
*/
inline const char* DeviceName(int type) {
switch (type) {
case kDLCPU:
return "cpu";
case kDLCUDA:
return "cuda";
case kDLCUDAHost:
return "cuda_host";
case kDLCUDAManaged:
return "cuda_managed";
case kDLOpenCL:
return "opencl";
case kDLSDAccel:
return "sdaccel";
case kDLAOCL:
return "aocl";
case kDLVulkan:
return "vulkan";
case kDLMetal:
return "metal";
case kDLVPI:
return "vpi";
case kDLROCM:
return "rocm";
case kDLROCMHost:
return "rocm_host";
case kDLExtDev:
return "ext_dev";
case kDLOneAPI:
return "oneapi";
case kDLWebGPU:
return "webgpu";
case kDLHexagon:
return "hexagon";
case kOpenGL:
return "opengl";
case kDLMicroDev:
return "microdev";
default:
LOG(FATAL) << "unknown type =" << type;
}
}

/*!
* \brief Return true if a Device is owned by an RPC session.
*/
Expand Down Expand Up @@ -324,7 +276,7 @@ inline std::ostream& operator<<(std::ostream& os, DLDevice dev) { // NOLINT(*)
os << "remote[" << tvm::runtime::GetRPCSessionIndex(dev) << "]-";
dev = tvm::runtime::RemoveRPCSessionMask(dev);
}
os << tvm::runtime::DeviceName(static_cast<int>(dev.device_type)) << "(" << dev.device_id << ")";
os << tvm::runtime::DLDeviceType2Str(static_cast<int>(dev.device_type)) << ":" << dev.device_id;
return os;
}

Expand Down
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