From ff0c54c3865b45eff807315262e73d3f01cb19c3 Mon Sep 17 00:00:00 2001
From: CNugteren <web@cedricnugteren.nl>
Date: Sat, 22 Aug 2015 17:11:20 +0200
Subject: Added the XSWAP, XSCAL and XCOPY level-1 routines

---
 test/routines/level1/xswap.h | 118 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 118 insertions(+)
 create mode 100644 test/routines/level1/xswap.h

(limited to 'test/routines/level1/xswap.h')

diff --git a/test/routines/level1/xswap.h b/test/routines/level1/xswap.h
new file mode 100644
index 00000000..2096a2c3
--- /dev/null
+++ b/test/routines/level1/xswap.h
@@ -0,0 +1,118 @@
+
+// =================================================================================================
+// 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 a class with static methods to describe the Xswap routine. Examples of
+// such 'descriptions' are how to calculate the size a of buffer or how to run the routine. These
+// static methods are used by the correctness tester and the performance tester.
+//
+// =================================================================================================
+
+#ifndef CLBLAST_TEST_ROUTINES_XSWAP_H_
+#define CLBLAST_TEST_ROUTINES_XSWAP_H_
+
+#include <vector>
+#include <string>
+
+#include "wrapper_clblas.h"
+
+namespace clblast {
+// =================================================================================================
+
+// See comment at top of file for a description of the class
+template <typename T>
+class TestXswap {
+ public:
+
+  // The BLAS level: 1, 2, or 3
+  static size_t BLASLevel() { return 1; }
+
+  // The list of arguments relevant for this routine
+  static std::vector<std::string> GetOptions() {
+    return {kArgN,
+            kArgXInc, kArgYInc,
+            kArgXOffset, kArgYOffset};
+  }
+
+  // Describes how to obtain the sizes of the buffers
+  static size_t GetSizeX(const Arguments<T> &args) {
+    return args.n * args.x_inc + args.x_offset;
+  }
+  static size_t GetSizeY(const Arguments<T> &args) {
+    return args.n * args.y_inc + args.y_offset;
+  }
+
+  // Describes how to set the sizes of all the buffers
+  static void SetSizes(Arguments<T> &args) {
+    args.x_size = GetSizeX(args);
+    args.y_size = GetSizeY(args);
+  }
+
+  // Describes what the default values of the leading dimensions of the matrices are
+  static size_t DefaultLDA(const Arguments<T> &) { return 1; } // N/A for this routine
+  static size_t DefaultLDB(const Arguments<T> &) { return 1; } // N/A for this routine
+  static size_t DefaultLDC(const Arguments<T> &) { return 1; } // N/A for this routine
+
+  // Describes which transpose options are relevant for this routine
+  using Transposes = std::vector<Transpose>;
+  static Transposes GetATransposes(const Transposes &) { return {}; } // N/A for this routine
+  static Transposes GetBTransposes(const Transposes &) { return {}; } // N/A for this routine
+
+  // Describes how to run the CLBlast routine
+  static StatusCode RunRoutine(const Arguments<T> &args, const Buffers<T> &buffers, Queue &queue) {
+    auto queue_plain = queue();
+    auto event = cl_event{};
+    auto status = Swap<T>(args.n,
+                          buffers.x_vec(), args.x_offset, args.x_inc,
+                          buffers.y_vec(), args.y_offset, args.y_inc,
+                          &queue_plain, &event);
+    clWaitForEvents(1, &event);
+    return status;
+  }
+
+  // Describes how to run the clBLAS routine (for correctness/performance comparison)
+  static StatusCode RunReference(const Arguments<T> &args, const Buffers<T> &buffers, Queue &queue) {
+    auto queue_plain = queue();
+    auto event = cl_event{};
+    auto status = clblasXswap<T>(args.n,
+                                 buffers.x_vec(), args.x_offset, args.x_inc,
+                                 buffers.y_vec(), args.y_offset, args.y_inc,
+                                 1, &queue_plain, 0, nullptr, &event);
+    clWaitForEvents(1, &event);
+    return static_cast<StatusCode>(status);
+  }
+
+  // Describes how to download the results of the computation (more importantly: which buffer)
+  static std::vector<T> DownloadResult(const Arguments<T> &args, Buffers<T> &buffers, Queue &queue) {
+    std::vector<T> result(args.x_size + args.y_size, static_cast<T>(0));
+    buffers.x_vec.Read(queue, args.x_size, &result[0]);
+    buffers.y_vec.Read(queue, args.y_size, &result[args.x_size]);
+    return result;
+  }
+
+  // Describes how to compute the indices of the result buffer
+  static size_t ResultID1(const Arguments<T> &args) { return args.n; }
+  static size_t ResultID2(const Arguments<T> &) { return 2; } // x_vec and y_vec
+  static size_t GetResultIndex(const Arguments<T> &args, const size_t id1, const size_t id2) {
+    return (id2 == 0) ? id1*args.x_inc + args.x_offset : id1*args.y_inc + args.y_offset;
+  }
+
+  // Describes how to compute performance metrics
+  static size_t GetFlops(const Arguments<T> &args) {
+    return args.n;
+  }
+  static size_t GetBytes(const Arguments<T> &args) {
+    return (2 * args.n) * sizeof(T);
+  }
+};
+
+// =================================================================================================
+} // namespace clblast
+
+// CLBLAST_TEST_ROUTINES_XSWAP_H_
+#endif
-- 
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