-
Notifications
You must be signed in to change notification settings - Fork 738
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
* Add presets for nvCOMP 3.0.4 (pull #1434)
- Loading branch information
Showing
36 changed files
with
4,903 additions
and
5 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,95 @@ | ||
| /* | ||
| * Copyright (c) 2022, NVIDIA CORPORATION. All rights reserved. | ||
| * | ||
| * Redistribution and use in source and binary forms, with or without | ||
| * modification, are permitted provided that the following conditions | ||
| * are met: | ||
| * * Redistributions of source code must retain the above copyright | ||
| * notice, this list of conditions and the following disclaimer. | ||
| * * Redistributions in binary form must reproduce the above copyright | ||
| * notice, this list of conditions and the following disclaimer in the | ||
| * documentation and/or other materials provided with the distribution. | ||
| * * Neither the name of NVIDIA CORPORATION nor the names of its | ||
| * contributors may be used to endorse or promote products derived | ||
| * from this software without specific prior written permission. | ||
| * | ||
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY | ||
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | ||
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR | ||
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | ||
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | ||
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | ||
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | ||
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
| */ | ||
|
|
||
| import org.bytedeco.cuda.cudart.CUstream_st; | ||
| import org.bytedeco.cuda.global.nvcomp; | ||
| import org.bytedeco.cuda.nvcomp.*; | ||
| import org.bytedeco.javacpp.BytePointer; | ||
| import org.bytedeco.javacpp.Loader; | ||
|
|
||
| import static org.bytedeco.cuda.global.cudart.*; | ||
| import static org.bytedeco.cuda.global.nvcomp.*; | ||
|
|
||
| // https://github.com/NVIDIA/nvcomp/blob/main/examples/high_level_quickstart_example.cpp | ||
| public class nvcompLZ4Example { | ||
| private static void decomp_compressed_with_manager_factory_example(BytePointer device_input_ptrs, long input_buffer_len) { | ||
| CUstream_st stream = new CUstream_st(); | ||
| int cuda_error = cudaStreamCreate(stream); | ||
|
|
||
| long chunk_size = 1 << 16; | ||
|
|
||
| nvcompBatchedLZ4Opts_t format_opts = new nvcompBatchedLZ4Opts_t(); | ||
| format_opts.data_type(NVCOMP_TYPE_CHAR); | ||
| LZ4Manager nvcomp_manager = new LZ4Manager(chunk_size, format_opts, stream, 0, nvcomp.NoComputeNoVerify); | ||
| CompressionConfig comp_config = nvcomp_manager.configure_compression(input_buffer_len); | ||
|
|
||
| BytePointer comp_buffer = new BytePointer(); | ||
| cuda_error = cudaMalloc(comp_buffer, comp_config.max_compressed_buffer_size()); | ||
|
|
||
| nvcomp_manager.compress(device_input_ptrs, comp_buffer, comp_config); | ||
|
|
||
| // Construct a new nvcomp manager from the compressed buffer. | ||
| // Note we could use the nvcomp_manager from above, but here we demonstrate how to create a manager | ||
| // for the use case where a buffer is received and the user doesn't know how it was compressed | ||
| // Also note, creating the manager in this way synchronizes the stream, as the compressed buffer must be read to | ||
| // construct the manager | ||
| nvcompManagerBase decomp_nvcomp_manager = create_manager(comp_buffer, stream, 0, NoComputeNoVerify); | ||
|
|
||
| DecompressionConfig decomp_config = decomp_nvcomp_manager.configure_decompression(comp_buffer); | ||
| BytePointer res_decomp_buffer = new BytePointer(); | ||
| cuda_error = cudaMalloc(res_decomp_buffer, decomp_config.decomp_data_size()); | ||
|
|
||
| decomp_nvcomp_manager.decompress(res_decomp_buffer, comp_buffer, decomp_config); | ||
|
|
||
| cuda_error = cudaFree(comp_buffer); | ||
| cuda_error = cudaFree(res_decomp_buffer); | ||
| cuda_error = cudaStreamSynchronize(stream); | ||
| cuda_error = cudaStreamDestroy(stream); | ||
| } | ||
|
|
||
| public static void main(String[] args) { | ||
| Loader.load(nvcomp.class); | ||
|
|
||
| // Initialize a random array of chars | ||
| int input_buffer_len = 1000000; | ||
| byte[] uncompressed_data = new byte[input_buffer_len]; | ||
|
|
||
| for (int i = 0; i < input_buffer_len; i++) { | ||
| uncompressed_data[i] = (byte) (Math.random() * 26 + 'a'); | ||
| } | ||
|
|
||
| BytePointer uncompressed_data_ptr = new BytePointer(uncompressed_data); | ||
|
|
||
| BytePointer device_input_ptrs = new BytePointer(); | ||
|
|
||
| int cuda_error = cudaMalloc(device_input_ptrs, input_buffer_len); | ||
| cuda_error = cudaMemcpy(device_input_ptrs, uncompressed_data_ptr, input_buffer_len, cudaMemcpyDefault); | ||
|
|
||
| decomp_compressed_with_manager_factory_example(device_input_ptrs, input_buffer_len); | ||
| } | ||
| } |
Oops, something went wrong.