Mercurial > hg > truffle
view src/share/vm/runtime/gpu.cpp @ 11722:ff05c78a7f64
use time passed to decide what methods to compile or inline
author | Christian Wirth <christian.wirth@oracle.com> |
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date | Thu, 19 Sep 2013 10:36:56 +0200 |
parents | 103795ab699d |
children | 365d8f385fb5 |
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/* * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code 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 * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. * */ #include "precompiled.hpp" #include "runtime/gpu.hpp" bool gpu::_available = false; // does the hardware exist? bool gpu::_gpu_linkage = false; // is the driver library to access the GPU installed bool gpu::_initialized = false; // is the GPU device initialized gpu::TargetGPUIL gpu::_targetIL = gpu::NONE; // No GPU detected yet. void gpu::init() { #if defined(TARGET_OS_FAMILY_bsd) || defined(TARGET_OS_FAMILY_linux) gpu::probe_gpu(); if (gpu::get_target_il_type() == gpu::PTX) { set_gpu_linkage(gpu::Ptx::probe_linkage()); } else { set_gpu_linkage(false); } #endif } void gpu::initialize_gpu() { if (gpu::has_gpu_linkage()) { if (gpu::get_target_il_type() == gpu::PTX) { set_initialized(gpu::Ptx::initialize_gpu()); } // Add initialization of other GPUs here } } void * gpu::generate_kernel(unsigned char *code, int code_len, const char *name) { if (gpu::has_gpu_linkage()) { if (gpu::get_target_il_type() == gpu::PTX) { return (gpu::Ptx::generate_kernel(code, code_len, name)); } // Add kernel generation functionality of other GPUs here } return NULL; } bool gpu::execute_kernel(address kernel, PTXKernelArguments & ptxka, JavaValue& ret) { if (gpu::has_gpu_linkage()) { if (gpu::get_target_il_type() == gpu::PTX) { return (gpu::Ptx::execute_kernel(kernel, ptxka, ret)); } // Add kernel execution functionality of other GPUs here } return false; }