diff options
Diffstat (limited to 'boltzgen/kernel/template/momenta_boundary.cl.mako')
| -rw-r--r-- | boltzgen/kernel/template/momenta_boundary.cl.mako | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/boltzgen/kernel/template/momenta_boundary.cl.mako b/boltzgen/kernel/template/momenta_boundary.cl.mako new file mode 100644 index 0000000..50044d2 --- /dev/null +++ b/boltzgen/kernel/template/momenta_boundary.cl.mako @@ -0,0 +1,46 @@ +<%def name="momenta_boundary(name, param)"> +__kernel void ${name}_momenta_boundary( + __global ${float_type}* f_next, + __global ${float_type}* f_prev, + unsigned int gid, ${param}) +{ + __global ${float_type}* preshifted_f_next = f_next + gid; + __global ${float_type}* preshifted_f_prev = f_prev + gid; + +% for i, c_i in enumerate(descriptor.c): + const ${float_type} f_curr_${i} = preshifted_f_prev[${layout.pop_offset(i) + layout.neighbor_offset(-c_i)}]; +% endfor + +% for i, expr in enumerate(moments_subexpr): + const ${float_type} ${expr[0]} = ${ccode(expr[1])}; +% endfor + + ${caller.body()} + +% for i, expr in enumerate(collision_subexpr): + const ${float_type} ${expr[0]} = ${ccode(expr[1])}; +% endfor + +% for i, expr in enumerate(collision_assignment): + const ${float_type} ${ccode(expr)} +% endfor + +% for i in range(0,descriptor.q): + preshifted_f_next[${layout.pop_offset(i)}] = f_next_${i}; +% endfor +} +</%def> + +<%call expr="momenta_boundary('velocity', '%s%d velocity' % (float_type, descriptor.d))"> + ${float_type} ${ccode(moments_assignment[0])} +% for i, expr in enumerate(moments_assignment[1:]): + ${float_type} ${expr.lhs} = velocity.${['x', 'y', 'z'][i]}; +% endfor +</%call> + +<%call expr="momenta_boundary('density', '%s density' % float_type)"> + ${float_type} ${moments_assignment[0].lhs} = density; +% for i, expr in enumerate(moments_assignment[1:]): + ${float_type} ${ccode(expr)} +% endfor +</%call> |