diff options
Diffstat (limited to 'src/arrow/ruby/red-arrow-cuda')
| -rw-r--r-- | src/arrow/ruby/red-arrow-cuda/.gitignore | 19 | ||||
| -rw-r--r-- | src/arrow/ruby/red-arrow-cuda/Gemfile | 24 | ||||
| -rw-r--r-- | src/arrow/ruby/red-arrow-cuda/LICENSE.txt | 202 | ||||
| -rw-r--r-- | src/arrow/ruby/red-arrow-cuda/NOTICE.txt | 2 | ||||
| -rw-r--r-- | src/arrow/ruby/red-arrow-cuda/README.md | 60 | ||||
| -rw-r--r-- | src/arrow/ruby/red-arrow-cuda/Rakefile | 41 | ||||
| -rw-r--r-- | src/arrow/ruby/red-arrow-cuda/dependency-check/Rakefile | 47 | ||||
| -rw-r--r-- | src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda.rb | 29 | ||||
| -rw-r--r-- | src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/device-manager.rb | 25 | ||||
| -rw-r--r-- | src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/loader.rb | 35 | ||||
| -rw-r--r-- | src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb | 26 | ||||
| -rw-r--r-- | src/arrow/ruby/red-arrow-cuda/red-arrow-cuda.gemspec | 51 | ||||
| -rw-r--r-- | src/arrow/ruby/red-arrow-cuda/test/helper.rb | 20 | ||||
| -rwxr-xr-x | src/arrow/ruby/red-arrow-cuda/test/run-test.rb | 50 | ||||
| -rw-r--r-- | src/arrow/ruby/red-arrow-cuda/test/test-cuda.rb | 38 |
15 files changed, 669 insertions, 0 deletions
diff --git a/src/arrow/ruby/red-arrow-cuda/.gitignore b/src/arrow/ruby/red-arrow-cuda/.gitignore new file mode 100644 index 000000000..afd93a168 --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/.gitignore @@ -0,0 +1,19 @@ +# 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. + +/Gemfile.lock +/pkg/ diff --git a/src/arrow/ruby/red-arrow-cuda/Gemfile b/src/arrow/ruby/red-arrow-cuda/Gemfile new file mode 100644 index 000000000..7c4cefcf3 --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/Gemfile @@ -0,0 +1,24 @@ +# -*- ruby -*- +# +# 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. + +source "https://rubygems.org/" + +gemspec + +gem "red-arrow", path: "../red-arrow" diff --git a/src/arrow/ruby/red-arrow-cuda/LICENSE.txt b/src/arrow/ruby/red-arrow-cuda/LICENSE.txt new file mode 100644 index 000000000..d64569567 --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/LICENSE.txt @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. Definitions. + + "License" shall mean the terms and conditions for use, reproduction, + and distribution as defined by Sections 1 through 9 of this document. + + "Licensor" shall mean the copyright owner or entity authorized by + the copyright owner that is granting the License. + + "Legal Entity" shall mean the union of the acting entity and all + other entities that control, are controlled by, or are under common + control with that entity. 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You may reproduce and distribute copies of the + Work or Derivative Works thereof in any medium, with or without + modifications, and in Source or Object form, provided that You + meet the following conditions: + + (a) You must give any other recipients of the Work or + Derivative Works a copy of this License; and + + (b) You must cause any modified files to carry prominent notices + stating that You changed the files; and + + (c) You must retain, in the Source form of any Derivative Works + that You distribute, all copyright, patent, trademark, and + attribution notices from the Source form of the Work, + excluding those notices that do not pertain to any part of + the Derivative Works; and + + (d) If the Work includes a "NOTICE" text file as part of its + distribution, then any Derivative Works that You distribute must + include a readable copy of the attribution notices contained + within such NOTICE file, excluding those notices that do not + pertain to any part of the Derivative Works, in at least one + of the following places: within a NOTICE text file distributed + as part of the Derivative Works; within the Source form or + documentation, if provided along with the Derivative Works; or, + within a display generated by the Derivative Works, if and + wherever such third-party notices normally appear. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed 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. diff --git a/src/arrow/ruby/red-arrow-cuda/NOTICE.txt b/src/arrow/ruby/red-arrow-cuda/NOTICE.txt new file mode 100644 index 000000000..e08aeda8a --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/NOTICE.txt @@ -0,0 +1,2 @@ +Apache Arrow +Copyright 2016 The Apache Software Foundation diff --git a/src/arrow/ruby/red-arrow-cuda/README.md b/src/arrow/ruby/red-arrow-cuda/README.md new file mode 100644 index 000000000..f05e6640a --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/README.md @@ -0,0 +1,60 @@ +<!--- + 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. +--> + +# Red Arrow CUDA - Apache Arrow CUDA Ruby + +Red Arrow CUDA is the Ruby bindings of Apache Arrow CUDA. Red Arrow CUDA is based on GObject Introspection. + +[Apache Arrow CUDA](https://arrow.apache.org/) is an in-memory columnar data store on GPU. + +[GObject Introspection](https://wiki.gnome.org/action/show/Projects/GObjectIntrospection) is a middleware for language bindings of C library. GObject Introspection can generate language bindings automatically at runtime. + +Red Arrow CUDA uses [Apache Arrow CUDA GLib](https://github.com/apache/arrow/tree/master/c_glib) and [gobject-introspection gem](https://rubygems.org/gems/gobject-introspection) to generate Ruby bindings of Apache Arrow CUDA. + +Apache Arrow CUDA GLib is a C wrapper for [Apache Arrow CUDA C++](https://github.com/apache/arrow/tree/master/cpp). GObject Introspection can't use Apache Arrow CUDA C++ directly. Apache Arrow CUDA GLib is a bridge between Apache Arrow CUDA C++ and GObject Introspection. + +gobject-introspection gem is a Ruby bindings of GObject Introspection. Red Arrow CUDA uses GObject Introspection via gobject-introspection gem. + +## Install + +Install Apache Arrow CUDA GLib before install Red Arrow CUDA. Install Apache Arrow GLib before install Red Arrow. See [Apache Arrow install document](https://arrow.apache.org/install/) for details. + +Install Red Arrow CUDA after you install Apache Arrow CUDA GLib: + +```text +% gem install red-arrow-cuda +``` + +## Usage + +```ruby +require "arrow-cuda" + +manager = ArrowCUDA::DeviceManager.new +if manager.n_devices.zero? + raise "No GPU is found" +end + +context = manager[0] +buffer = ArrowCUDA::Buffer.new(context, 128) +ArrowCUDA::BufferOutputStream.open(buffer) do |stream| + stream.write("Hello World") +end +puts buffer.copy_to_host(0, 11) # => "Hello World" +``` diff --git a/src/arrow/ruby/red-arrow-cuda/Rakefile b/src/arrow/ruby/red-arrow-cuda/Rakefile new file mode 100644 index 000000000..2bbe6e761 --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/Rakefile @@ -0,0 +1,41 @@ +# -*- ruby -*- +# +# 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. + +require "rubygems" +require "bundler/gem_helper" + +base_dir = File.join(File.dirname(__FILE__)) + +helper = Bundler::GemHelper.new(base_dir) +helper.install + +release_task = Rake::Task["release"] +release_task.prerequisites.replace(["build", "release:rubygem_push"]) + +desc "Run tests" +task :test do + cd(base_dir) do + cd("dependency-check") do + ruby("-S", "rake") + end + ruby("test/run-test.rb") + end +end + +task default: :test diff --git a/src/arrow/ruby/red-arrow-cuda/dependency-check/Rakefile b/src/arrow/ruby/red-arrow-cuda/dependency-check/Rakefile new file mode 100644 index 000000000..518c1a65c --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/dependency-check/Rakefile @@ -0,0 +1,47 @@ +# -*- ruby -*- +# +# 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. + +require "pkg-config" +require "native-package-installer" +require_relative "../lib/arrow-cuda/version" + +case RUBY_PLATFORM +when /mingw|mswin/ + task :default => "nothing" +else + task :default => "dependency:check" +end + +task :nothing do +end + +namespace :dependency do + desc "Check dependency" + task :check do + unless PKGConfig.check_version?("arrow-cuda-glib", + ArrowCUDA::Version::MAJOR, + ArrowCUDA::Version::MINOR, + ArrowCUDA::Version::MICRO) + unless NativePackageInstaller.install(:debian => "libarrow-cuda-glib-dev", + :redhat => "arrow-cuda-glib-devel") + exit(false) + end + end + end +end diff --git a/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda.rb b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda.rb new file mode 100644 index 000000000..1fc13d0a0 --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda.rb @@ -0,0 +1,29 @@ +# 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. + +require "arrow" + +require "arrow-cuda/version" + +require "arrow-cuda/loader" + +module ArrowCUDA + class Error < StandardError + end + + Loader.load +end diff --git a/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/device-manager.rb b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/device-manager.rb new file mode 100644 index 000000000..bbef74972 --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/device-manager.rb @@ -0,0 +1,25 @@ +# 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. + +module ArrowCUDA + class DeviceManager + # Experimental. + # + # Can we think device manager is a container of contexts? + alias_method :[], :get_context + end +end diff --git a/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/loader.rb b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/loader.rb new file mode 100644 index 000000000..6b2afc404 --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/loader.rb @@ -0,0 +1,35 @@ +# 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. + +module ArrowCUDA + class Loader < GObjectIntrospection::Loader + class << self + def load + super("ArrowCUDA", ArrowCUDA) + end + end + + private + def post_load(repository, namespace) + require_libraries + end + + def require_libraries + require "arrow-cuda/device-manager" + end + end +end diff --git a/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb new file mode 100644 index 000000000..cc7fe0153 --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/lib/arrow-cuda/version.rb @@ -0,0 +1,26 @@ +# 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. + +module ArrowCUDA + VERSION = "6.0.1" + + module Version + numbers, TAG = VERSION.split("-") + MAJOR, MINOR, MICRO = numbers.split(".").collect(&:to_i) + STRING = VERSION + end +end diff --git a/src/arrow/ruby/red-arrow-cuda/red-arrow-cuda.gemspec b/src/arrow/ruby/red-arrow-cuda/red-arrow-cuda.gemspec new file mode 100644 index 000000000..7bb34c6c2 --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/red-arrow-cuda.gemspec @@ -0,0 +1,51 @@ +# -*- ruby -*- +# +# 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. + +require_relative "lib/arrow-cuda/version" + +Gem::Specification.new do |spec| + spec.name = "red-arrow-cuda" + version_components = [ + ArrowCUDA::Version::MAJOR.to_s, + ArrowCUDA::Version::MINOR.to_s, + ArrowCUDA::Version::MICRO.to_s, + ArrowCUDA::Version::TAG, + ] + spec.version = version_components.compact.join(".") + spec.homepage = "https://arrow.apache.org/" + spec.authors = ["Apache Arrow Developers"] + spec.email = ["dev@arrow.apache.org"] + + spec.summary = "Red Arrow CUDA is the Ruby bindings of Apache Arrow CUDA" + spec.description = + "Apache Arrow CUDA is a common in-memory columnar data store on CUDA. " + + "It's useful to share and process large data." + spec.license = "Apache-2.0" + spec.files = ["README.md", "Rakefile", "Gemfile", "#{spec.name}.gemspec"] + spec.files += ["LICENSE.txt", "NOTICE.txt"] + spec.files += Dir.glob("lib/**/*.rb") + spec.test_files += Dir.glob("test/**/*") + spec.extensions = ["dependency-check/Rakefile"] + + spec.add_runtime_dependency("red-arrow", "= #{spec.version}") + + spec.add_development_dependency("bundler") + spec.add_development_dependency("rake") + spec.add_development_dependency("test-unit") +end diff --git a/src/arrow/ruby/red-arrow-cuda/test/helper.rb b/src/arrow/ruby/red-arrow-cuda/test/helper.rb new file mode 100644 index 000000000..045eb10ee --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/test/helper.rb @@ -0,0 +1,20 @@ +# 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. + +require "arrow-cuda" + +require "test-unit" diff --git a/src/arrow/ruby/red-arrow-cuda/test/run-test.rb b/src/arrow/ruby/red-arrow-cuda/test/run-test.rb new file mode 100755 index 000000000..48d2c49e1 --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/test/run-test.rb @@ -0,0 +1,50 @@ +#!/usr/bin/env ruby +# +# 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. + +$VERBOSE = true + +require "pathname" + +(ENV["ARROW_DLL_PATH"] || "").split(File::PATH_SEPARATOR).each do |path| + RubyInstaller::Runtime.add_dll_directory(path) +end + +base_dir = Pathname.new(__dir__).parent.expand_path +arrow_base_dir = base_dir.parent + "red-arrow" + +lib_dir = base_dir + "lib" +test_dir = base_dir + "test" + +arrow_lib_dir = arrow_base_dir + "lib" +arrow_ext_dir = arrow_base_dir + "ext" + "arrow" + +build_dir = ENV["BUILD_DIR"] +if build_dir + arrow_build_dir = Pathname.new(build_dir) + "red-arrow" +else + arrow_build_dir = arrow_ext_dir +end + +$LOAD_PATH.unshift(arrow_build_dir.to_s) +$LOAD_PATH.unshift(arrow_lib_dir.to_s) +$LOAD_PATH.unshift(lib_dir.to_s) + +require_relative "helper" + +exit(Test::Unit::AutoRunner.run(true, test_dir.to_s)) diff --git a/src/arrow/ruby/red-arrow-cuda/test/test-cuda.rb b/src/arrow/ruby/red-arrow-cuda/test/test-cuda.rb new file mode 100644 index 000000000..a48b687d3 --- /dev/null +++ b/src/arrow/ruby/red-arrow-cuda/test/test-cuda.rb @@ -0,0 +1,38 @@ +# 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. + +class TestCUDA < Test::Unit::TestCase + def setup + @manager = ArrowCUDA::DeviceManager.new + omit("At least one GPU is required") if @manager.n_devices.zero? + @context = @manager[0] + end + + sub_test_case("BufferOutputStream") do + def setup + super + @buffer = ArrowCUDA::Buffer.new(@context, 128) + end + + def test_new + ArrowCUDA::BufferOutputStream.open(@buffer) do |stream| + stream.write("Hello World") + end + assert_equal("Hello World", @buffer.copy_to_host(0, 11).to_s) + end + end +end |