| # 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 |
| SCRIPT |
| Process.waitpid(pid) |
| assert_equal("Hello ", output.read) |
| end |
| end |
| |
| def test_context |
| assert_equal(@context.allocated_size, |
| @buffer.context.allocated_size) |
| end |
| |
| def test_record_batch |
| 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 = ArrowGPU::CUDABuffer.new(@context, cpu_record_batch) |
| gpu_record_batch = buffer.read_record_batch(schema) |
| assert_equal(cpu_record_batch.n_rows, |
| gpu_record_batch.n_rows) |
| end |
| end |
| |
| sub_test_case("HostBuffer") do |
| def test_new |
| buffer = ArrowGPU::CUDAHostBuffer.new(128) |
| assert_equal(128, buffer.size) |
| end |
| end |
| |
| sub_test_case("BufferInputStream") do |
| def test_new |
| buffer = ArrowGPU::CUDABuffer.new(@context, 128) |
| buffer.copy_from_host("Hello World") |
| stream = ArrowGPU::CUDABufferInputStream.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 = ArrowGPU::CUDABuffer.new(@context, 128) |
| @buffer.copy_from_host("\x00" * @buffer.size) |
| @stream = ArrowGPU::CUDABufferOutputStream.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 |