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time_measurements
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Nx = 2001 (Nmax = 100, Nthreads = 256)
Sequential cpp : 25s
CUDA 960M : 17s
CUDA K40 : 2s
CUDA K40 : 1s500ms (Nthreads = 512)
Nx = 4001 (Nmax = 100, Nthreads = 256)
Sequential cpp : 3min50s
CUDA 960M : 1min10s
CUDA K40 : 6s
CUDA K40 : 3s 860ms (512threads)
Nx = 8001 (Nmax = 100, Nthreads = 256)
Sequential cpp :
CUDA 960M : out of memory
CUDA K40 :
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