From 25c210daa7c45d937bcc336ca887bfba71000a23 Mon Sep 17 00:00:00 2001
From: Adrian Kummerlaender
Date: Fri, 17 Jan 2020 21:05:23 +0100
Subject: Implement AA for CUDA target

---
 boltzgen/kernel/template/pattern/AA.cuda.mako | 215 ++++++++++++++++++++++++++
 1 file changed, 215 insertions(+)
 create mode 100644 boltzgen/kernel/template/pattern/AA.cuda.mako

(limited to 'boltzgen/kernel/template')

diff --git a/boltzgen/kernel/template/pattern/AA.cuda.mako b/boltzgen/kernel/template/pattern/AA.cuda.mako
new file mode 100644
index 0000000..b3dd2a6
--- /dev/null
+++ b/boltzgen/kernel/template/pattern/AA.cuda.mako
@@ -0,0 +1,215 @@
+<%def name="operator(name, params = None)">
+__global__ void ${name}_tick(
+      ${float_type}* f
+% if 'cell_list_dispatch' in extras:
+    , std::size_t* cells
+    , std::size_t  cell_count
+% else:
+    , std::size_t gid
+% endif
+% if params is not None:
+% for param_type, param_name in params:
+    , ${param_type} ${param_name}
+% endfor
+% endif
+) {
+% if 'cell_list_dispatch' in extras:
+    const std::size_t index = blockIdx.x * blockDim.x + threadIdx.x;
+    if (!(index < cell_count)) {
+        return;
+    }
+    const std::size_t gid = cells[index];
+% endif
+    ${float_type}* preshifted_f = f + ${layout.cell_preshift('gid')};
+
+% for i, c_i in enumerate(descriptor.c):
+    const ${float_type} f_curr_${i} = preshifted_f[${layout.pop_offset(i)}];
+% endfor
+
+    ${caller.body()}
+
+% for i, c_i in enumerate(descriptor.c):
+    preshifted_f[${layout.pop_offset(i)}] = f_next_${descriptor.c.index(-c_i)};
+% endfor
+}
+
+__global__ void ${name}_tock(
+      ${float_type}* f
+% if 'cell_list_dispatch' in extras:
+    , std::size_t* cells
+    , std::size_t  cell_count
+% else:
+    , std::size_t gid
+% endif
+% if params is not None:
+% for param_type, param_name in params:
+    , ${param_type} ${param_name}
+% endfor
+% endif
+) {
+% if 'cell_list_dispatch' in extras:
+    const std::size_t index = blockIdx.x * blockDim.x + threadIdx.x;
+    if (!(index < cell_count)) {
+        return;
+    }
+    const std::size_t gid = cells[index];
+% endif
+    ${float_type}* preshifted_f = f + ${layout.cell_preshift('gid')};
+
+% for i, c_i in enumerate(descriptor.c):
+    const ${float_type} f_curr_${descriptor.c.index(-c_i)} = preshifted_f[${layout.pop_offset(i) + layout.neighbor_offset(c_i)}];
+% endfor
+
+    ${caller.body()}
+
+% for i, c_i in enumerate(descriptor.c):
+    preshifted_f[${layout.pop_offset(i) + layout.neighbor_offset(c_i)}] = f_next_${i};
+% endfor
+}
+</%def>
+
+<%def name="operator_with_domain_dispatch(name, params = None)">
+__global__ void ${name}_tick(
+      ${float_type}* f
+% if params is not None:
+% for param_type, param_name in params:
+    , ${param_type} ${param_name}
+% endfor
+% endif
+) {
+    const std::size_t gid = ${index.gid('get_global_id(0)', 'get_global_id(1)', 'get_global_id(2)')};
+    ${float_type}* preshifted_f = f + ${layout.cell_preshift('gid')};
+
+% for i, c_i in enumerate(descriptor.c):
+    const ${float_type} f_curr_${i} = preshifted_f[${layout.pop_offset(i)}];
+% endfor
+
+    ${caller.body()}
+
+% for i, c_i in enumerate(descriptor.c):
+    preshifted_f[${layout.pop_offset(i)}] = f_next_${descriptor.c.index(-c_i)};
+% endfor
+}
+
+__global__ void ${name}_tock(
+      ${float_type}* f
+% if params is not None:
+% for param_type, param_name in params:
+    , ${param_type} ${param_name}
+% endfor
+% endif
+) {
+    const std::size_t gid = ${index.gid('get_global_id(0)', 'get_global_id(1)', 'get_global_id(2)')};
+    ${float_type}* preshifted_f = f + ${layout.cell_preshift('gid')};
+
+% for i, c_i in enumerate(descriptor.c):
+    const ${float_type} f_curr_${descriptor.c.index(-c_i)} = preshifted_f[${layout.pop_offset(i) + layout.neighbor_offset(c_i)}];
+% endfor
+
+    ${caller.body()}
+
+% for i, c_i in enumerate(descriptor.c):
+    preshifted_f[${layout.pop_offset(i) + layout.neighbor_offset(c_i)}] = f_next_${i};
+% endfor
+}
+</%def>
+
+<%def name="functor(name, params = None)">
+__global__ void ${name}_tick(
+      ${float_type}* f
+% if 'cell_list_dispatch' in extras:
+    , std::size_t* cells
+    , std::size_t  cell_count
+% else:
+    , std::size_t gid
+% endif
+% if params is not None:
+% for param_type, param_name in params:
+    , ${param_type} ${param_name}
+% endfor
+% endif
+) {
+% if 'cell_list_dispatch' in extras:
+    const std::size_t index = blockIdx.x * blockDim.x + threadIdx.x;
+    if (!(index < cell_count)) {
+        return;
+    }
+    const std::size_t gid = cells[index];
+% endif
+    ${float_type}* preshifted_f = f + ${layout.cell_preshift('gid')};
+
+% for i, c_i in enumerate(descriptor.c):
+    const ${float_type} f_curr_${i} = preshifted_f[${layout.pop_offset(descriptor.c.index(-c_i))}];
+% endfor
+
+    ${caller.body()}
+}
+
+__global__ void ${name}_tock(
+      ${float_type}* f
+% if 'cell_list_dispatch' in extras:
+    , std::size_t* cells
+    , std::size_t  cell_count
+% else:
+    , std::size_t gid
+% endif
+% if params is not None:
+% for param_type, param_name in params:
+    , ${param_type} ${param_name}
+% endfor
+% endif
+) {
+% if 'cell_list_dispatch' in extras:
+    const std::size_t index = blockIdx.x * blockDim.x + threadIdx.x;
+    if (!(index < cell_count)) {
+        return;
+    }
+    const std::size_t gid = cells[index];
+% endif
+    ${float_type}* preshifted_f = f + ${layout.cell_preshift('gid')};
+
+% for i, c_i in enumerate(descriptor.c):
+    const ${float_type} f_curr_${i} = preshifted_f[${layout.pop_offset(i) + layout.neighbor_offset(c_i)}];
+% endfor
+
+    ${caller.body()}
+}
+</%def>
+
+<%def name="functor_with_domain_dispatch(name, params = None)">
+__global__ void ${name}_tick(
+      ${float_type}* f
+% if params is not None:
+% for param_type, param_name in params:
+    , ${param_type} ${param_name}
+% endfor
+% endif
+) {
+    const std::size_t gid = ${index.gid('get_global_id(0)', 'get_global_id(1)', 'get_global_id(2)')};
+    ${float_type}* preshifted_f = f + ${layout.cell_preshift('gid')};
+
+% for i, c_i in enumerate(descriptor.c):
+    const ${float_type} f_curr_${i} = preshifted_f[${layout.pop_offset(descriptor.c.index(-c_i))}];
+% endfor
+
+    ${caller.body()}
+}
+
+__global__ void ${name}_tock(
+      ${float_type}* f
+% if params is not None:
+% for param_type, param_name in params:
+    , ${param_type} ${param_name}
+% endfor
+% endif
+) {
+    const std::size_t gid = ${index.gid('get_global_id(0)', 'get_global_id(1)', 'get_global_id(2)')};
+    ${float_type}* preshifted_f = f + ${layout.cell_preshift('gid')};
+
+% for i, c_i in enumerate(descriptor.c):
+    const ${float_type} f_curr_${i} = preshifted_f[${layout.pop_offset(i) + layout.neighbor_offset(c_i)}];
+% endfor
+
+    ${caller.body()}
+}
+</%def>
-- 
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