summaryrefslogtreecommitdiff
path: root/src/database/database.hpp
diff options
context:
space:
mode:
authorCedric Nugteren <web@cedricnugteren.nl>2016-06-18 20:20:13 +0200
committerCedric Nugteren <web@cedricnugteren.nl>2016-06-18 20:20:13 +0200
commitf726fbdc9fef937fbe32222f0e66aac8d7e2678c (patch)
treecb62cc877ea239052fb1882f7bf327aace3e7776 /src/database/database.hpp
parentbacb5d2bb2ea7b141034878090aca850db8f9d00 (diff)
Moved all headers into the source tree, changed headers to .hpp extension
Diffstat (limited to 'src/database/database.hpp')
-rw-r--r--src/database/database.hpp104
1 files changed, 104 insertions, 0 deletions
diff --git a/src/database/database.hpp b/src/database/database.hpp
new file mode 100644
index 00000000..0987cbed
--- /dev/null
+++ b/src/database/database.hpp
@@ -0,0 +1,104 @@
+
+// =================================================================================================
+// This file is part of the CLBlast project. The project is licensed under Apache Version 2.0. This
+// project loosely follows the Google C++ styleguide and uses a tab-size of two spaces and a max-
+// width of 100 characters per line.
+//
+// Author(s):
+// Cedric Nugteren <www.cedricnugteren.nl>
+//
+// This file implements the Database class, providing a static variable holding the actual database
+// information. The class also provides utility functions to search the database and to access a
+// found entry by parameter-key. The database itself is filled in the corresponding source-file and
+// partially also by the database/xxxxx.h files, in which kernel-specific parameters are found.
+//
+// =================================================================================================
+
+#ifndef CLBLAST_DATABASE_H_
+#define CLBLAST_DATABASE_H_
+
+#include <string>
+#include <vector>
+#include <unordered_map>
+
+#include "utilities.hpp"
+
+namespace clblast {
+// =================================================================================================
+
+// See comment at top of file for a description of the class
+class Database {
+ public:
+
+ // Type alias for the database parameters
+ using Parameters = std::unordered_map<std::string,size_t>;
+
+ // Structures for content inside the database
+ struct DatabaseDevice {
+ const std::string name;
+ const Parameters parameters;
+ };
+ struct DatabaseVendor {
+ const std::string type;
+ const std::string name;
+ const std::vector<DatabaseDevice> devices;
+ };
+ struct DatabaseEntry {
+ const std::string kernel;
+ const Precision precision;
+ const std::vector<DatabaseVendor> vendors;
+ };
+
+ // The OpenCL device types
+ static constexpr auto kDeviceTypeCPU = "CPU";
+ static constexpr auto kDeviceTypeGPU = "GPU";
+ static constexpr auto kDeviceTypeAccelerator = "accelerator";
+ static constexpr auto kDeviceTypeAll = "default";
+
+ // The OpenCL device vendors
+ static constexpr auto kDeviceVendorAll = "default";
+
+ // Alternative names for some OpenCL vendors
+ const std::unordered_map<std::string,std::string> kVendorNames {
+ {"Intel(R) Corporation", "Intel"},
+ {"GenuineIntel", "Intel"},
+ {"Advanced Micro Devices, Inc.", "AMD"},
+ {"NVIDIA Corporation", "NVIDIA"},
+ };
+
+ // The database consists of separate database entries, stored together in a vector
+ static const DatabaseEntry XaxpyHalf, XaxpySingle, XaxpyDouble, XaxpyComplexSingle, XaxpyComplexDouble;
+ static const DatabaseEntry XdotHalf, XdotSingle, XdotDouble, XdotComplexSingle, XdotComplexDouble;
+ static const DatabaseEntry XgemvHalf, XgemvSingle, XgemvDouble, XgemvComplexSingle, XgemvComplexDouble;
+ static const DatabaseEntry XgerHalf, XgerSingle, XgerDouble, XgerComplexSingle, XgerComplexDouble;
+ static const DatabaseEntry XgemmHalf, XgemmSingle, XgemmDouble, XgemmComplexSingle, XgemmComplexDouble;
+ static const DatabaseEntry CopyHalf, CopySingle, CopyDouble, CopyComplexSingle, CopyComplexDouble;
+ static const DatabaseEntry PadHalf, PadSingle, PadDouble, PadComplexSingle, PadComplexDouble;
+ static const DatabaseEntry TransposeHalf, TransposeSingle, TransposeDouble, TransposeComplexSingle, TransposeComplexDouble;
+ static const DatabaseEntry PadtransposeHalf, PadtransposeSingle, PadtransposeDouble, PadtransposeComplexSingle, PadtransposeComplexDouble;
+ static const std::vector<DatabaseEntry> database;
+
+ // The constructor
+ explicit Database(const Queue &queue, const std::vector<std::string> &routines,
+ const Precision precision);
+
+ // Accessor of values by key
+ size_t operator[](const std::string key) const { return parameters_.find(key)->second; }
+
+ // Obtain a list of OpenCL pre-processor defines based on the parameters
+ std::string GetDefines() const;
+
+ private:
+ Parameters Search(const std::string &this_kernel, const std::string &this_type,
+ const std::string &this_vendor, const std::string &this_device,
+ const Precision this_precision) const;
+
+ // Found parameters suitable for this device/kernel
+ Parameters parameters_;
+};
+
+// =================================================================================================
+} // namespace clblast
+
+// CLBLAST_DATABASE_H_
+#endif