1 /* 2 * libjingle 3 * Copyright 2011 Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "talk/media/base/cpuid.h" 29 30 #include <iostream> 31 32 #include "webrtc/base/basictypes.h" 33 #include "webrtc/base/gunit.h" 34 #include "webrtc/base/systeminfo.h" 35 36 TEST(CpuInfoTest, CpuId) { 37 LOG(LS_INFO) << "ARM: " 38 << cricket::CpuInfo::TestCpuFlag(cricket::CpuInfo::kCpuHasARM); 39 LOG(LS_INFO) << "NEON: " 40 << cricket::CpuInfo::TestCpuFlag(cricket::CpuInfo::kCpuHasNEON); 41 LOG(LS_INFO) << "X86: " 42 << cricket::CpuInfo::TestCpuFlag(cricket::CpuInfo::kCpuHasX86); 43 LOG(LS_INFO) << "SSE2: " 44 << cricket::CpuInfo::TestCpuFlag(cricket::CpuInfo::kCpuHasSSE2); 45 LOG(LS_INFO) << "SSSE3: " 46 << cricket::CpuInfo::TestCpuFlag(cricket::CpuInfo::kCpuHasSSSE3); 47 LOG(LS_INFO) << "SSE41: " 48 << cricket::CpuInfo::TestCpuFlag(cricket::CpuInfo::kCpuHasSSE41); 49 LOG(LS_INFO) << "SSE42: " 50 << cricket::CpuInfo::TestCpuFlag(cricket::CpuInfo::kCpuHasSSE42); 51 LOG(LS_INFO) << "AVX: " 52 << cricket::CpuInfo::TestCpuFlag(cricket::CpuInfo::kCpuHasAVX); 53 bool has_arm = cricket::CpuInfo::TestCpuFlag(cricket::CpuInfo::kCpuHasARM); 54 bool has_x86 = cricket::CpuInfo::TestCpuFlag(cricket::CpuInfo::kCpuHasX86); 55 EXPECT_FALSE(has_arm && has_x86); 56 } 57 58 TEST(CpuInfoTest, IsCoreIOrBetter) { 59 bool core_i_or_better = cricket::IsCoreIOrBetter(); 60 // Tests the function is callable. Run on known hardware to confirm. 61 LOG(LS_INFO) << "IsCoreIOrBetter: " << core_i_or_better; 62 63 // All Core I CPUs have SSE 4.1. 64 if (core_i_or_better) { 65 EXPECT_TRUE(cricket::CpuInfo::TestCpuFlag(cricket::CpuInfo::kCpuHasSSE41)); 66 EXPECT_TRUE(cricket::CpuInfo::TestCpuFlag(cricket::CpuInfo::kCpuHasSSSE3)); 67 } 68 69 // All CPUs that lack SSE 4.1 are not Core I CPUs. 70 if (!cricket::CpuInfo::TestCpuFlag(cricket::CpuInfo::kCpuHasSSE41)) { 71 EXPECT_FALSE(core_i_or_better); 72 } 73 } 74 75