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# 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
include Helper::Buildable
include Helper::Omittable
def setup
omit("Arrow CUDA is required") unless defined?(::ArrowCUDA)
@manager = ArrowCUDA::DeviceManager.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 = ArrowCUDA::Buffer.new(@context, size)
assert_equal(size,
@context.allocated_size - allocated_size_before)
end
end
sub_test_case("Buffer") do
def setup
super
@buffer = ArrowCUDA::Buffer.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
require_gi_bindings(3, 3, 9)
@buffer.copy_from_host("Hello World")
handle = @buffer.export
serialized_handle = handle.serialize.data
Tempfile.open("arrow-cuda-export") do |output|
pid = spawn(RbConfig.ruby, "-e", <<-SCRIPT)
require "gi"
Gio = GI.load("Gio")
Arrow = GI.load("Arrow")
ArrowCUDA = GI.load("ArrowCUDA")
manager = ArrowCUDA::DeviceManager.new
context = manager.get_context(0)
serialized_handle = #{serialized_handle.to_s.dump}
handle = ArrowCUDA::IPCMemoryHandle.new(serialized_handle)
buffer = ArrowCUDA::Buffer.new(context, handle)
File.open(#{output.path.dump}, "w") do |output|
output.print(buffer.copy_to_host(0, 6).to_s)
end
SCRIPT
Process.waitpid(pid)
assert_equal("Hello ", output.read)
end
end
def test_context
assert_equal(@context.allocated_size,
@buffer.context.allocated_size)
end
sub_test_case("#read_record_batch") do
def setup
super
@field = Arrow::Field.new("enabled", Arrow::BooleanDataType.new)
@schema = Arrow::Schema.new([@field])
@columns = [
build_boolean_array([true]),
]
@cpu_record_batch = Arrow::RecordBatch.new(@schema, 1, @columns)
@buffer = ArrowCUDA::Buffer.new(@context, @cpu_record_batch)
end
def test_default
gpu_record_batch = @buffer.read_record_batch(@schema)
assert_equal(@cpu_record_batch.n_rows,
gpu_record_batch.n_rows)
end
def test_options
options = Arrow::ReadOptions.new
gpu_record_batch = @buffer.read_record_batch(@schema, options)
assert_equal(@cpu_record_batch.n_rows,
gpu_record_batch.n_rows)
end
end
end
sub_test_case("HostBuffer") do
def test_new
buffer = ArrowCUDA::HostBuffer.new(0, 128)
assert_equal(128, buffer.size)
end
end
sub_test_case("BufferInputStream") do
def test_new
buffer = ArrowCUDA::Buffer.new(@context, 128)
buffer.copy_from_host("Hello World")
stream = ArrowCUDA::BufferInputStream.new(buffer)
begin
assert_equal("Hello Worl", stream.read(5).copy_to_host(0, 10).to_s)
ensure
stream.close
end
end
end
sub_test_case("BufferOutputStream") do
def setup
super
@buffer = ArrowCUDA::Buffer.new(@context, 128)
@buffer.copy_from_host("\x00" * @buffer.size)
@stream = ArrowCUDA::BufferOutputStream.new(@buffer)
end
def cleanup
super
@stream.close
end
def test_new
@stream.write("Hello World")
assert_equal("Hello World", @buffer.copy_to_host(0, 11).to_s)
end
def test_buffer
assert_equal(0, @stream.buffer_size)
@stream.buffer_size = 5
assert_equal(5, @stream.buffer_size)
@stream.write("Hell")
assert_equal(4, @stream.buffered_size)
assert_equal("\x00" * 5, @buffer.copy_to_host(0, 5).to_s)
@stream.write("o")
assert_equal("Hello", @buffer.copy_to_host(0, 5).to_s)
end
end
end
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