| // Copyright 2013 the V8 project authors. All rights reserved. |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are |
| // met: |
| // |
| // * Redistributions of source code must retain the above copyright |
| // notice, this list of conditions and the following disclaimer. |
| // * Redistributions in binary form must reproduce the above |
| // copyright notice, this list of conditions and the following |
| // disclaimer in the documentation and/or other materials provided |
| // with the distribution. |
| // * Neither the name of Google Inc. nor the names of its |
| // contributors may be used to endorse or promote products derived |
| // from this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| // The GYP based build ends up defining USING_V8_SHARED when compiling this |
| // file. |
| #undef USING_V8_SHARED |
| #include "../include/v8-defaults.h" |
| |
| #include "platform.h" |
| #include "globals.h" |
| #include "v8.h" |
| |
| namespace v8 { |
| |
| |
| #if V8_OS_ANDROID |
| const bool kOsHasSwap = false; |
| #else |
| const bool kOsHasSwap = true; |
| #endif |
| |
| |
| bool ConfigureResourceConstraintsForCurrentPlatform( |
| ResourceConstraints* constraints) { |
| if (constraints == NULL) { |
| return false; |
| } |
| |
| uint64_t physical_memory = i::OS::TotalPhysicalMemory(); |
| int lump_of_memory = (i::kPointerSize / 4) * i::MB; |
| |
| // The young_space_size should be a power of 2 and old_generation_size should |
| // be a multiple of Page::kPageSize. |
| if (physical_memory <= 512ul * i::MB) { |
| constraints->set_max_young_space_size(2 * lump_of_memory); |
| constraints->set_max_old_space_size(128 * lump_of_memory); |
| constraints->set_max_executable_size(96 * lump_of_memory); |
| } else if (physical_memory <= (kOsHasSwap ? 768ul * i::MB : 1ul * i::GB)) { |
| constraints->set_max_young_space_size(8 * lump_of_memory); |
| constraints->set_max_old_space_size(256 * lump_of_memory); |
| constraints->set_max_executable_size(192 * lump_of_memory); |
| } else if (physical_memory <= (kOsHasSwap ? 1ul * i::GB : 2ul * i::GB)) { |
| constraints->set_max_young_space_size(16 * lump_of_memory); |
| constraints->set_max_old_space_size(512 * lump_of_memory); |
| constraints->set_max_executable_size(256 * lump_of_memory); |
| } else { |
| constraints->set_max_young_space_size(16 * lump_of_memory); |
| constraints->set_max_old_space_size(700 * lump_of_memory); |
| constraints->set_max_executable_size(256 * lump_of_memory); |
| } |
| return true; |
| } |
| |
| |
| bool SetDefaultResourceConstraintsForCurrentPlatform() { |
| ResourceConstraints constraints; |
| if (!ConfigureResourceConstraintsForCurrentPlatform(&constraints)) |
| return false; |
| return SetResourceConstraints(&constraints); |
| } |
| |
| } // namespace v8 |