diff options
Diffstat (limited to 'boltzgen/kernel/template/basic.cpp.mako')
| -rw-r--r-- | boltzgen/kernel/template/basic.cpp.mako | 63 |
1 files changed, 16 insertions, 47 deletions
diff --git a/boltzgen/kernel/template/basic.cpp.mako b/boltzgen/kernel/template/basic.cpp.mako index d969d60..529c1de 100644 --- a/boltzgen/kernel/template/basic.cpp.mako +++ b/boltzgen/kernel/template/basic.cpp.mako @@ -1,45 +1,13 @@ -<% -def gid_offset(): - return { - 'soa': 1, - 'aos': descriptor.q - }.get(layout); - -def pop_offset(i): - return { - 'soa': i * geometry.volume, - 'aos': i - }.get(layout); - -def neighbor_offset(c_i): - return { - 2: lambda: c_i[0]*geometry.size_y + c_i[1], - 3: lambda: c_i[0]*geometry.size_y*geometry.size_z + c_i[1]*geometry.size_z + c_i[2] - }.get(descriptor.d)() * { - 'soa': 1, - 'aos': descriptor.q - }.get(layout); - -def padding(): - return { - 2: lambda: 1*geometry.size_y + 1, - 3: lambda: 1*geometry.size_y*geometry.size_z + 1*geometry.size_z + 1 - }.get(descriptor.d)() * { - 'soa': 1, - 'aos': descriptor.q - }.get(layout); -%> - void equilibrilize(${float_type}* f_next, ${float_type}* f_prev, std::size_t gid) { - ${float_type}* preshifted_f_next = f_next + gid*${gid_offset()}; - ${float_type}* preshifted_f_prev = f_prev + gid*${gid_offset()}; + ${float_type}* preshifted_f_next = f_next + gid*${layout.gid_offset()}; + ${float_type}* preshifted_f_prev = f_prev + gid*${layout.gid_offset()}; % for i, w_i in enumerate(descriptor.w): - preshifted_f_next[${pop_offset(i)}] = ${w_i.evalf()}; - preshifted_f_prev[${pop_offset(i)}] = ${w_i.evalf()}; + preshifted_f_next[${layout.pop_offset(i)}] = ${w_i.evalf()}; + preshifted_f_prev[${layout.pop_offset(i)}] = ${w_i.evalf()}; % endfor } @@ -47,11 +15,11 @@ void collide_and_stream( ${float_type}* f_next, const ${float_type}* f_prev, std::size_t gid) { - ${float_type}* preshifted_f_next = f_next + gid*${gid_offset()}; - const ${float_type}* preshifted_f_prev = f_prev + gid*${gid_offset()}; + ${float_type}* preshifted_f_next = f_next + gid*${layout.gid_offset()}; + const ${float_type}* preshifted_f_prev = f_prev + gid*${layout.gid_offset()}; % for i, c_i in enumerate(descriptor.c): - const ${float_type} f_curr_${i} = preshifted_f_prev[${pop_offset(i) + neighbor_offset(-c_i)}]; + 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): @@ -71,7 +39,7 @@ void collide_and_stream( ${float_type}* f_next, % endfor % for i, expr in enumerate(collision_assignment): - preshifted_f_next[${pop_offset(i)}] = f_next_${i}; + preshifted_f_next[${layout.pop_offset(i)}] = f_next_${i}; % endfor } @@ -80,10 +48,10 @@ void collect_moments(const ${float_type}* f, ${float_type}& rho, ${float_type} u[${descriptor.d}]) { - const ${float_type}* preshifted_f = f + gid*${gid_offset()}; + const ${float_type}* preshifted_f = f + gid*${layout.gid_offset()}; % for i in range(0,descriptor.q): - const ${float_type} f_curr_${i} = preshifted_f[${pop_offset(i)}]; + const ${float_type} f_curr_${i} = preshifted_f[${layout.pop_offset(i)}]; % endfor % for i, expr in enumerate(moments_subexpr): @@ -101,18 +69,19 @@ void collect_moments(const ${float_type}* f, void test(std::size_t nStep) { - auto f_a = std::make_unique<${float_type}[]>(${geometry.volume*descriptor.q + 2*padding()}); - auto f_b = std::make_unique<${float_type}[]>(${geometry.volume*descriptor.q + 2*padding()}); + auto f_a = std::make_unique<${float_type}[]>(${geometry.volume*descriptor.q + 2*layout.padding()}); + auto f_b = std::make_unique<${float_type}[]>(${geometry.volume*descriptor.q + 2*layout.padding()}); auto material = std::make_unique<int[]>(${geometry.volume}); // buffers are padded by maximum neighbor overreach to prevent invalid memory access - ${float_type}* f_prev = f_a.get() + ${padding()}; - ${float_type}* f_next = f_b.get() + ${padding()}; + ${float_type}* f_prev = f_a.get() + ${layout.padding()}; + ${float_type}* f_next = f_b.get() + ${layout.padding()}; for (int iX = 0; iX < ${geometry.size_x}; ++iX) { for (int iY = 0; iY < ${geometry.size_y}; ++iY) { for (int iZ = 0; iZ < ${geometry.size_z}; ++iZ) { - if (iX == 0 || iY == 0 || iZ == 0 || iX == ${geometry.size_x-1} || iY == ${geometry.size_y-1} || iZ == ${geometry.size_z-1}) { + if (iX == 0 || iY == 0 || iZ == 0 || + iX == ${geometry.size_x-1} || iY == ${geometry.size_y-1} || iZ == ${geometry.size_z-1}) { material[iX*${geometry.size_y*geometry.size_z} + iY*${geometry.size_z} + iZ] = 0; } else { material[iX*${geometry.size_y*geometry.size_z} + iY*${geometry.size_z} + iZ] = 1; |