1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43
|
<%inherit file='base'/>
<% ksplit = 2 if m < 36 else 1 %>
__global__ __launch_bounds__(128) void
% if n is None:
${kname}(int n,
const ${dtype}* __restrict__ b, int ldb,
${dtype}* __restrict__ c, int ldc)
{
% if width > 1:
n = ((n + ${width} - 1) / ${width}) * ${width};
ldb /= ${width};
ldc /= ${width};
% endif
% else:
${kname}(const ${dtype}* __restrict__ b, ${dtype}* __restrict__ c)
{
const int n = ${-(-n // width)};
const ${'long long' if k*ldb >= width*2**31 else 'int'} ldb = ${ldb // width};
const ${'long long' if m*ldc >= width*2**31 else 'int'} ldc = ${ldc // width};
% endif
const int i = blockDim.x*blockIdx.x + threadIdx.x;
${dtype} dotp;
if (i < n)
{
% for j, jx in enumerate(A):
% if (dotex := dot(lambda kx: f'b[i + {kx}*ldb]', jx, maxsplit=ksplit)) != '0.0':
dotp = ${dotex};
% else:
dotp = make_zero();
% endif
% if beta == 0:
c[i + ${j}*ldc] = dotp;
% elif beta == 1 and dotex != '0.0':
c[i + ${j}*ldc] += dotp;
% else:
c[i + ${j}*ldc] = dotp + ${beta}*c[i + ${j}*ldc];
% endif
% endfor
}
}
|