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-rw-r--r--boltzgen/kernel/template/update_sss_control_structure.cl.mako21
1 files changed, 21 insertions, 0 deletions
diff --git a/boltzgen/kernel/template/update_sss_control_structure.cl.mako b/boltzgen/kernel/template/update_sss_control_structure.cl.mako
new file mode 100644
index 0000000..ec6a5d5
--- /dev/null
+++ b/boltzgen/kernel/template/update_sss_control_structure.cl.mako
@@ -0,0 +1,21 @@
+<%
+if streaming != 'SSS':
+ raise Exception('"update_sss_control_structure" function only makes sense for the SSS pattern')
+
+padding = (max(geometry.size_x,geometry.size_y,geometry.size_z)+1)**(descriptor.d-1)
+%>
+
+__kernel void init_sss_control_structure(__global ${float_type}* f, __global uintptr_t* control) {
+% for i, c_i in enumerate(descriptor.c):
+ control[${i}] = (uintptr_t)(f + ${padding + layout.pop_offset(i, 2*padding)});
+% endfor
+}
+
+__kernel void update_sss_control_structure(__global uintptr_t* control) {
+% for i, c_i in enumerate(descriptor.c):
+ __global ${float_type}* f_old_${i} = (__global ${float_type}*)(control[${i}]);
+% endfor
+% for i, c_i in enumerate(descriptor.c):
+ control[${i}] = (uintptr_t)(f_old_${descriptor.c.index(-c_i)} + ${layout.neighbor_offset(-c_i)});
+% endfor
+}