gzip pre-decompress w/IAA

CMake/resolve_dependency_modules/inteliaa.cmake

@@ -0,0 +1,59 @@
+# Copyright (c) Facebook, Inc. and its affiliates.
+#
+# 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.
+include_guard(GLOBAL)
+
+set(VELOX_INTELIAA_VERSION 1.3.0)
+set(VELOX_INTELIAA_BUILD_SHA256_CHECKSUM
+    c3eba4d04a9d7aabcf26c9eaf81f6e9b26d19cb1b87a4a5f197a652cfa98f310)
+set(VELOX_INTELIAA_SOURCE_URL
+    "https://github.com/intel/qpl/archive/refs/tags/v${VELOX_INTELIAA_VERSION}.tar.gz"
+)
+
+resolve_dependency_url(INTELIAA)
+
+message(STATUS "Building Intel IAA from source")
+
+set(QPL_PREFIX "${CMAKE_CURRENT_BINARY_DIR}/qpl_ep/install")
+set(QPL_STATIC_LIB_NAME
+    ${CMAKE_STATIC_LIBRARY_PREFIX}qpl${CMAKE_STATIC_LIBRARY_SUFFIX})
+set(QPL_STATIC_LIB "${QPL_PREFIX}/lib/${QPL_STATIC_LIB_NAME}")
+
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -ldl -laccel-config -L/usr/lib64")
+
+set(QPL_CMAKE_ARGS
+    -DCMAKE_BUILD_TYPE=${CMAKE_BUILD_TYPE}
+    -DCMAKE_INSTALL_LIBDIR=${QPL_PREFIX}/lib
+    -DCMAKE_INSTALL_PREFIX=${QPL_PREFIX}
+    -DCMAKE_CXX_FLAGS=${CMAKE_CXX_FLAGS}
+    -DQPL_BUILD_TESTS=OFF
+    -DQPL_BUILD_EXAMPLES=OFF
+    -DQPL_LIB=ON)
+
+ExternalProject_Add(
+  intel_iaa
+  URL ${VELOX_INTELIAA_SOURCE_URL}
+  URL_HASH ${VELOX_INTELIAA_BUILD_SHA256_CHECKSUM}
+  BUILD_BYPRODUCTS "${QPL_STATIC_LIB}"
+  CMAKE_ARGS ${QPL_CMAKE_ARGS})
+
+file(MAKE_DIRECTORY "${QPL_PREFIX}/include")
+
+add_library(iaa::iaa UNKNOWN IMPORTED)
+set(QPL_LIBRARIES ${QPL_STATIC_LIB})
+set(QPL_INCLUDE_DIRS "${QPL_PREFIX}/include")
+set_target_properties(
+  iaa::iaa PROPERTIES IMPORTED_LOCATION ${QPL_LIBRARIES}
+                      INTERFACE_INCLUDE_DIRECTORIES ${QPL_INCLUDE_DIRS})
+
+add_dependencies(iaa::iaa intel_iaa-build)

CMakeLists.txt

@@ -103,6 +103,7 @@ option(
   VELOX_ENABLE_INT64_BUILD_PARTITION_BOUND
   "make buildPartitionBounds_ a vector int64 instead of int32 to avoid integer overflow when the hashtable has billions of records"
   OFF)
+option(VELOX_ENABLE_INTEL_IAA "Enable Intel IAA support" OFF)
 
 # Explicitly force compilers to generate colored output. Compilers usually do
 # this by default if they detect the output is a terminal, but this assumption
@@ -256,6 +257,11 @@ if(VELOX_ENABLE_PARQUET)
   set(VELOX_ENABLE_ARROW ON)
 endif()
 
+if(VELOX_ENABLE_INTEL_IAA)
+  add_definitions(-DVELOX_ENABLE_INTEL_IAA)
+  message(STATUS "Intel IAA acceleration enabled")
+endif()
+
 # define processor variable for conditional compilation
 if(${VELOX_CODEGEN_SUPPORT})
   add_compile_definitions(CODEGEN_ENABLED=1)
@@ -474,6 +480,11 @@ if(NOT ${VELOX_BUILD_MINIMAL})
   include_directories(${Protobuf_INCLUDE_DIRS})
 endif()
 
+if(VELOX_ENABLE_INTEL_IAA)
+  set_source(inteliaa)
+  resolve_dependency(inteliaa)
+endif()
+
 # GCC needs to link a library to enable std::filesystem.
 if("${CMAKE_CXX_COMPILER_ID}" MATCHES "GNU")
   set(FILESYSTEM "stdc++fs")

velox/dwio/common/CMakeLists.txt

@@ -78,3 +78,9 @@ target_link_libraries(
   Boost::regex
   Folly::folly
   glog::glog)
+
+if(VELOX_ENABLE_INTEL_IAA)
+  add_library(velox_dwio_qpl QplJobPool.cpp)
+  target_link_libraries(velox_dwio_qpl iaa::iaa Folly::folly)
+  target_link_libraries(velox_dwio_common velox_dwio_qpl)
+endif()

velox/dwio/common/QplJobPool.cpp

@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * 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.
+ */
+
+#include "velox/dwio/common/QplJobPool.h"
+#include <folly/Random.h>
+#include "velox/common/base/Exceptions.h"
+
+namespace facebook::velox::dwio::common {
+
+std::array<std::atomic<bool>, QplJobHWPool::MAX_JOB_NUMBER>
+    QplJobHWPool::hwJobPtrLocks;
+
+QplJobHWPool& QplJobHWPool::getInstance() {
+  static QplJobHWPool pool;
+  return pool;
+}
+
+QplJobHWPool::QplJobHWPool() {
+  if (!iaaJobReady) {
+    allocateQPLJob();
+  }
+}
+
+QplJobHWPool::~QplJobHWPool() {
+  for (uint32_t i = 0; i < MAX_JOB_NUMBER; ++i) {
+    if (hwJobPtrPool[i]) {
+      qpl_fini_job(hwJobPtrPool[i]);
+      hwJobPtrPool[i] = nullptr;
+    }
+  }
+  iaaJobReady = false;
+}
+
+/**
+ * Allocate qpl job and put it into hwJobPtrPool
+ */
+void QplJobHWPool::allocateQPLJob() {
+  uint32_t job_size = 0;
+
+  // Get size required for saving a single qpl job object
+  qpl_get_job_size(qpl_path, &job_size);
+
+  // Allocate entire buffer for storing all job objects
+  hwJobsBuffer = std::make_unique<uint8_t[]>(job_size * MAX_JOB_NUMBER);
+
+  // Initialize pool for storing all job object pointers
+  // Allocate buffer by shifting address offset for each job object.
+  hwJobPtrPool.resize(MAX_JOB_NUMBER);
+  for (uint32_t i = 0; i < MAX_JOB_NUMBER; ++i) {
+    qpl_job* qplJobPtr =
+        reinterpret_cast<qpl_job*>(hwJobsBuffer.get() + i * job_size);
+    auto status = qpl_init_job(qpl_path, qplJobPtr);
+    if (status != QPL_STS_OK) {
+      iaaJobReady = false;
+      LOG(WARNING) << "Initialization of hardware IAA failed, statsu: "
+                   << status << ". Please check if Intel \
+        In-Memory Analytics Accelerator (IAA) is properly set up!";
+      return;
+    }
+    this->hwJobPtrPool[i] = qplJobPtr;
+    hwJobPtrLocks[i].store(false);
+  }
+
+  iaaJobReady = true;
+  return;
+}
+
+/**
+ * Acquire a deflate job.
+ * QplJobHWPool maintains MAX_JOB_NUMBER job slot to avoid frequently allocate,
+ * initialize and release job. Random slots is used to select a job and
+ * tryLockJob will check if the job is free.
+ * @return job_id and qpl_job pair
+ */
+std::pair<int, qpl_job*> QplJobHWPool::acquireDeflateJob() {
+  std::pair<int, qpl_job*> res;
+  res.first = -1;
+  res.second = nullptr;
+  if (!job_ready()) {
+    return res;
+  }
+  uint32_t retry = 0;
+  uint32_t index = folly::Random::rand32(1, MAX_JOB_NUMBER - 1);
+  while (!tryLockJob(index)) {
+    index = folly::Random::rand32(1, MAX_JOB_NUMBER - 1);
+    retry++;
+    if (retry > MAX_JOB_NUMBER) {
+      return res;
+    }
+  }
+  res.first = index;
+  if (index >= MAX_JOB_NUMBER) {
+    return res;
+  }
+  res.second = hwJobPtrPool[index];
+
+  return res;
+}
+
+void QplJobHWPool::releaseJob(int job_id) {
+  if (job_id >= MAX_JOB_NUMBER || job_id <= 0) {
+    return;
+  }
+  VELOX_CHECK_LT(job_id, MAX_JOB_NUMBER);
+  hwJobPtrLocks[job_id].store(false);
+  return;
+}
+
+bool QplJobHWPool::tryLockJob(uint32_t index) {
+  bool expected = false;
+  VELOX_CHECK_LT(index, MAX_JOB_NUMBER);
+  return hwJobPtrLocks[index].compare_exchange_strong(expected, true);
+}
+
+} // namespace facebook::velox::dwio::common

velox/dwio/common/QplJobPool.h

@@ -0,0 +1,97 @@
+/*
+ * Copyright (c) Facebook, Inc. and its affiliates.
+ *
+ * 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.
+ */
+
+#pragma once
+
+#include <memory>
+#include <mutex>
+#include <random>
+#include <vector>
+
+#include "qpl/qpl.h"
+
+namespace facebook::velox::dwio::common {
+
+// QplJobHWPool is resource pool to provide the job that will be submitted to
+// Intel® IAA Memory for Intel® IAA job will be allocated when the QPLJobHWPool
+// instance is created.
+//
+// The Intel® In-Memory Analytics Accelerator (Intel® IAA) is a hardware
+// accelerator that provides very high throughput compression and decompression
+// combined with primitive analytic functions. It primarily targets applications
+// such as big-data and in-memory analytic databases, as well as
+// application-transparent usages such as memory page compression. Intel® IAA
+// contains two main functional blocks: Compression and Analytics. The Analytics
+// pipe contains two sub-blocks: Decompress and Filter. These functions are tied
+// together, so that each analytics operation can perform decompress-only,
+// filter-only, or decompress-and-filter processing.
+//
+// Intel QPL is library to provide application programming interface (API) for
+// interaction with Intel® In-Memory Analytics Accelerator (Intel® IAA) hardware
+//
+// Intel® IAA:
+// https://www.intel.com/content/www/us/en/content-details/780887/intel-in-memory-analytics-accelerator-intel-iaa.html
+// Intel QPL:
+// https://intel.github.io/qpl/documentation/introduction_docs/introduction.html
+class QplJobHWPool {
+ public:
+  static QplJobHWPool& getInstance();
+  QplJobHWPool();
+  ~QplJobHWPool();
+
+  // Release QPL job by the job_id.
+  void releaseJob(int job_id);
+
+  // Return if the QPL job is allocated sucessfully.
+  const bool& job_ready() {
+    return iaaJobReady;
+  }
+
+  std::pair<int, qpl_job*> acquireDeflateJob();
+
+  /**
+   * Get qpl job by job id
+   * @param job_id the job id or index in the qpl job pool
+   * @return nullptr if the job id is invalid
+   */
+  qpl_job* getJobById(int job_id) {
+    if (job_id >= MAX_JOB_NUMBER || job_id <= 0) {
+      return nullptr;
+    }
+    return hwJobPtrPool[job_id];
+  }
+
+  static constexpr uint32_t MAX_JOB_NUMBER = 1024;
+
+ private:
+  bool tryLockJob(uint32_t index);
+  void allocateQPLJob();
+
+  qpl_path_t qpl_path = qpl_path_hardware;
+
+  // Max jobs in QPL_JOB_POOL
+  // Entire buffer for storing all job objects
+  std::unique_ptr<uint8_t[]> hwJobsBuffer;
+
+  // Job pool for storing all job object pointers
+  std::vector<qpl_job*> hwJobPtrPool;
+
+  // Locks for accessing each job object pointers
+  bool iaaJobReady;
+  static std::array<std::atomic<bool>, MAX_JOB_NUMBER> hwJobPtrLocks;
+};
+
+} // namespace facebook::velox::dwio::common