/* Copyright (c) 2022 Advanced Micro Devices, Inc. All rights reserved. Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ /* AtomicAdd on CoarseGrainMemory 1. The following test scenario verifies atomicAdd on CoarseGrain memory without any unsafeatomics flag This testcase works only on gfx90a, gfx942, gfx950. */ #include #include #include #define INC_VAL 10 #define INITIAL_VAL 5 template static __global__ void AtomicCheck(T* Ad, T* result) { T inc_val = 10; *result = atomicAdd(Ad, inc_val); } /*atomicAdd API for the coarse grained memory variable without any flag Input: Ad{5}, INC_VAL{10} Output: atomicAdd API would work and the 0/P is INITIAL_VAL + INC_VAL Generate the assembly file and check whether global_atomic_cmpswap instruction is generated or not */ TEMPLATE_TEST_CASE("Unit_AtomicAdd_NonCoherentwithoutflag", "", float, double) { hipDeviceProp_t prop; int device; HIP_CHECK(hipGetDevice(&device)); HIP_CHECK(hipGetDeviceProperties(&prop, device)); std::string gfxName(prop.gcnArchName); if (CheckIfFeatSupported(CTFeatures::CT_FEATURE_FINEGRAIN_HWSUPPORT, gfxName)) { if (prop.canMapHostMemory != 1) { SUCCEED("Does not support HostPinned Memory"); } else { TestType *A_h{nullptr}, *result{nullptr}; TestType *A_d{nullptr}, *result_d{nullptr}; HIP_CHECK(hipHostMalloc(reinterpret_cast(&A_h), sizeof(TestType), hipHostMallocNonCoherent)); A_h[0] = INITIAL_VAL; HIP_CHECK(hipHostMalloc(reinterpret_cast(&result), sizeof(TestType), hipHostMallocNonCoherent)); result[0] = INITIAL_VAL; HIP_CHECK(hipHostGetDevicePointer(reinterpret_cast(&A_d), A_h, 0)); HIP_CHECK(hipHostGetDevicePointer(reinterpret_cast(&result_d), result, 0)); hipLaunchKernelGGL(AtomicCheck, dim3(1), dim3(1), 0, 0, A_d, result_d); HIP_CHECK(hipGetLastError()); HIP_CHECK(hipDeviceSynchronize()); bool testResult; REQUIRE(A_h[0] == INITIAL_VAL + INC_VAL); REQUIRE(result[0] == INITIAL_VAL); testResult = HipTest::assemblyFile_Verification( "AtomicAdd_NonCoherent_withoutflag-hip-amdgcn(.*)\\.s", "global_atomic_cmpswap"); REQUIRE(testResult == true); HIP_CHECK(hipHostFree(A_h)); HIP_CHECK(hipHostFree(result)); } } else { SUCCEED( "Memory model feature is only supported for gfx90a, gfx942, gfx950," "Hence skipping the testcase for this GPU " << device); } }