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https://issues.apache.org/jira/browse/ARROW-1802?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16250787#comment-16250787
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ASF GitHub Bot commented on ARROW-1802:
---------------------------------------
wesm commented on a change in pull request #1313: ARROW-1802: [GLib] Support
arrow-gpu
URL: https://github.com/apache/arrow/pull/1313#discussion_r150731509
##########
File path: c_glib/test/test-gpu-cuda.rb
##########
@@ -0,0 +1,144 @@
+# 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 TestGPUCUDA < Test::Unit::TestCase
+ include Helper::Buildable
+
+ def setup
+ omit("Arrow GPU is required") unless defined?(::ArrowGPU)
+ @manager = ArrowGPU::CUDADeviceManager.new
+ omit("At least one GPU is required") if @manager.n_devices.zero?
+ @context = @manager.get_context(0)
+ end
+
+ sub_test_case("Context") do
+ def test_allocated_size
+ allocated_size_before = @context.allocated_size
+ size = 128
+ buffer = ArrowGPU::CUDABuffer.new(@context, size)
+ assert_equal(size,
+ @context.allocated_size - allocated_size_before)
+ end
+ end
+
+ sub_test_case("Buffer") do
+ def setup
+ super
+ @buffer = ArrowGPU::CUDABuffer.new(@context, 128)
+ end
+
+ def test_copy
+ @buffer.copy_from_host("Hello World")
+ assert_equal("llo W", @buffer.copy_to_host(2, 5).to_s)
+ end
+
+ def test_export
+ @buffer.copy_from_host("Hello World")
+ handle = @buffer.export
+ serialized_handle = handle.serialize.data
+ Tempfile.open("arrow-gpu-cuda-export") do |output|
+ pid = spawn(RbConfig.ruby, "-e", <<-SCRIPT)
+require "gi"
+
+Gio = GI.load("Gio")
+Arrow = GI.load("Arrow")
+ArrowGPU = GI.load("ArrowGPU")
+
+manager = ArrowGPU::CUDADeviceManager.new
+context = manager.get_context(0)
+serialized_handle = #{serialized_handle.to_s.dump}
+handle = ArrowGPU::CUDAIPCMemoryHandle.new(serialized_handle)
+buffer = ArrowGPU::CUDABuffer.new(context, handle)
+File.open(#{output.path.dump}, "w") do |output|
+ output.print(buffer.copy_to_host(0, 6).to_s)
+end
Review comment:
ah I see you did test the IPC! We should try to get a C++ test working, it
looked a bit tricky with googletest so didn't get it working yet
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> [GLib] Add Arrow GPU support
> ----------------------------
>
> Key: ARROW-1802
> URL: https://issues.apache.org/jira/browse/ARROW-1802
> Project: Apache Arrow
> Issue Type: New Feature
> Components: GLib, GPU
> Reporter: Kouhei Sutou
> Assignee: Kouhei Sutou
> Labels: pull-request-available
> Fix For: 0.8.0
>
>
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