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https://igit.ific.uv.es/alramos/latticegpu.jl.git
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54 lines
1.2 KiB
Julia
54 lines
1.2 KiB
Julia
using CUDA, LatticeGPU, TimerOutputs
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#Check that Dw ( (DwdagDw)^{-1} g5 Dw g5 ) psi = psi for random fields
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@timeit "Rand solver test" begin
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@timeit "Generate random fields" begin
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lp = SpaceParm{4}((16,16,16,16), (4,4,4,4), 0, (0,0,0,0,0,0))
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gp = GaugeParm{Float64}(SU3{Float64}, 6.0, 1.0)
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ymws = YMworkspace(SU3, Float64, lp)
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dpar = DiracParam{Float64}(SU3fund,2.3,0.0,(1.0,1.0,1.0,1.0),0.0)
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dws = DiracWorkspace(SU3fund,Float64,lp);
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randomize!(ymws.mom, lp, ymws)
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U = exp.(ymws.mom)
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rpsi = scalar_field(Spinor{4,SU3fund{Float64}},lp)
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pfrandomize!(rpsi,lp)
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end
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prop = scalar_field(Spinor{4,SU3fund{Float64}},lp)
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function krnlg5!(src)
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b=Int64(CUDA.threadIdx().x)
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r=Int64(CUDA.blockIdx().x)
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src[b,r] = dmul(Gamma{5},src[b,r])
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return nothing
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end
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CUDA.@sync begin
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CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnlg5!(rpsi)
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end
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g5Dw!(prop,U,rpsi,dpar,dws,lp)
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CG!(prop,U,DwdagDw!,dpar,lp,dws,10000,1.0e-14)
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Dw!(dws.sp,U,prop,dpar,dws,lp)
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CUDA.@sync begin
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CUDA.@cuda threads=lp.bsz blocks=lp.rsz krnlg5!(rpsi)
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end
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res = sum(norm2.(rpsi-dws.sp))
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if res < 1.0e-6
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print("Drand test passed with ",res,"% error!\n")
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else
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error("Drand test failed with difference: ",res,"\n")
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end
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end
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