Initial commit

Change-Id: I4bf1707bd3dfeadf2c17b0a7daff372b1925ebbd

runtime/compiler_interface/binary_cache.cpp

@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2017, Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <runtime/compiler_interface/binary_cache.h>
+#include <runtime/helpers/aligned_memory.h>
+#include <runtime/helpers/file_io.h>
+#include <runtime/helpers/hash.h>
+#include <runtime/helpers/hw_info.h>
+#include <runtime/os_interface/os_inc.h>
+#include <runtime/program/program.h>
+
+#include <cstring>
+#include <string>
+#include <sstream>
+#include <iomanip>
+#include <mutex>
+
+namespace OCLRT {
+std::mutex BinaryCache::cacheAccessMtx;
+
+const std::string BinaryCache::getCachedFileName(const HardwareInfo &hwInfo, const ArrayRef<const char> input,
+                                                 const ArrayRef<const char> options, const ArrayRef<const char> internalOptions) {
+    Hash hash;
+
+    hash.update("----", 4);
+    hash.update(&*input.begin(), input.size());
+    hash.update("----", 4);
+    hash.update(&*options.begin(), options.size());
+    hash.update("----", 4);
+    hash.update(&*internalOptions.begin(), internalOptions.size());
+
+    hash.update("----", 4);
+    hash.update(reinterpret_cast<const char *>(hwInfo.pPlatform), sizeof(*hwInfo.pPlatform));
+    hash.update("----", 4);
+    hash.update(reinterpret_cast<const char *>(hwInfo.pSkuTable), sizeof(*hwInfo.pSkuTable));
+    hash.update("----", 4);
+    hash.update(reinterpret_cast<const char *>(hwInfo.pWaTable), sizeof(*hwInfo.pWaTable));
+
+    auto res = hash.finish();
+    std::stringstream stream;
+    stream << std::setfill('0')
+           << std::setw(sizeof(res) * 2)
+           << std::hex
+           << res;
+    return stream.str();
+}
+
+bool BinaryCache::cacheBinary(const std::string kernelFileHash, const char *pBinary, uint32_t binarySize) {
+    if (pBinary == nullptr || binarySize == 0) {
+        return false;
+    }
+
+    std::string hashFilePath = CL_CACHE_LOCATION;
+    hashFilePath.append(Os::fileSeparator);
+    hashFilePath.append(kernelFileHash + ".cl_cache");
+
+    std::lock_guard<std::mutex> lock(cacheAccessMtx);
+    if (writeDataToFile(
+            hashFilePath.c_str(),
+            pBinary,
+            binarySize) == 0) {
+        return false;
+    }
+
+    return true;
+}
+
+bool BinaryCache::loadCachedBinary(const std::string kernelFileHash, Program &program) {
+    void *pBinary = nullptr;
+    size_t binarySize = 0;
+
+    std::string hashFilePath = CL_CACHE_LOCATION;
+    hashFilePath.append(Os::fileSeparator);
+    hashFilePath.append(kernelFileHash + ".cl_cache");
+
+    {
+        std::lock_guard<std::mutex> lock(cacheAccessMtx);
+        binarySize = loadDataFromFile(hashFilePath.c_str(), pBinary);
+    }
+
+    if ((pBinary == nullptr) || (binarySize == 0)) {
+        deleteDataReadFromFile(pBinary);
+        return false;
+    }
+    program.storeGenBinary(pBinary, binarySize);
+
+    deleteDataReadFromFile(pBinary);
+
+    return true;
+}
+
+} // namesapce OCLRT