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author | Adrian Kummerlaender | 2021-09-12 14:01:55 +0200 |
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committer | Adrian Kummerlaender | 2021-09-12 14:01:55 +0200 |
commit | 32dd41a728ce10113032e20955ba08f8de449857 (patch) | |
tree | 8a5f851a342590d05137b2c900a7d3c4e8c545b6 /tangle/ldc-2d.cu | |
parent | 8bca21a550e0ef134d51c4c4c007720885d76791 (diff) | |
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Start using C++ cuda-api-wrapper instead of raw CUDA
Diffstat (limited to 'tangle/ldc-2d.cu')
-rw-r--r-- | tangle/ldc-2d.cu | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/tangle/ldc-2d.cu b/tangle/ldc-2d.cu index acba98f..5fa36f9 100644 --- a/tangle/ldc-2d.cu +++ b/tangle/ldc-2d.cu @@ -13,7 +13,11 @@ using T = float; using DESCRIPTOR = descriptor::D2Q9; int main() { -cudaSetDevice(0); +if (cuda::device::count() == 0) { + std::cerr << "No CUDA devices on this system" << std::endl; + return -1; +} +auto current = cuda::device::current::get(); const descriptor::Cuboid<DESCRIPTOR> cuboid(500, 500); Lattice<DESCRIPTOR,T> lattice(cuboid); @@ -52,7 +56,7 @@ while (window.isOpen()) { Operator(BounceBackMovingWallO(), lid_mask, std::min(iStep*1e-3, 1.0)*u_lid, 0.f)); lattice.stream(); if (iStep % 100 == 0) { - cudaDeviceSynchronize(); + cuda::synchronize(current); lattice.inspect<CollectMomentsF>(bulk_mask, moments_rho.device(), moments_u.device()); renderSliceViewToTexture<<< dim3(cuboid.nX / 32 + 1, cuboid.nY / 32 + 1), |