AstroBWT OpenCL code

src/backend/opencl/generators/ocl_generic_astrobwt_generator.cpp

@@ -0,0 +1,64 @@
+/* XMRig
+ * Copyright 2010      Jeff Garzik <jgarzik@pobox.com>
+ * Copyright 2012-2014 pooler      <pooler@litecoinpool.org>
+ * Copyright 2014      Lucas Jones <https://github.com/lucasjones>
+ * Copyright 2014-2016 Wolf9466    <https://github.com/OhGodAPet>
+ * Copyright 2016      Jay D Dee   <jayddee246@gmail.com>
+ * Copyright 2017-2018 XMR-Stak    <https://github.com/fireice-uk>, <https://github.com/psychocrypt>
+ * Copyright 2018      Lee Clagett <https://github.com/vtnerd>
+ * Copyright 2018-2020 SChernykh   <https://github.com/SChernykh>
+ * Copyright 2016-2020 XMRig       <https://github.com/xmrig>, <support@xmrig.com>
+ *
+ *   This program is free software: you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation, either version 3 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+#include "backend/opencl/OclThreads.h"
+#include "backend/opencl/wrappers/OclDevice.h"
+#include "base/crypto/Algorithm.h"
+#include "crypto/randomx/randomx.h"
+#include "crypto/rx/RxAlgo.h"
+
+
+namespace xmrig {
+
+
+bool ocl_generic_astrobwt_generator(const OclDevice &device, const Algorithm &algorithm, OclThreads &threads)
+{
+    if (algorithm.family() != Algorithm::ASTROBWT) {
+        return false;
+    }
+
+    const size_t mem = device.globalMemSize();
+
+    uint32_t per_thread_mem = 10 << 20;
+    uint32_t intensity = static_cast<uint32_t>((mem - (128 << 20)) / per_thread_mem / 2);
+
+    intensity &= ~63U;
+
+    if (!intensity) {
+        return false;
+    }
+
+    if (intensity > 256) {
+        intensity = 256;
+    }
+
+    threads.add(OclThread(device.index(), intensity, 2));
+
+    return true;
+}
+
+
+} // namespace xmrig