fly316/PX4-Autopilot
7
0
Fork 0
mirror of https://gitee.com/mirrors_PX4/PX4-Autopilot.git synced 2026-10-21 10:53:34 +08:00
Code Issues Packages Projects Releases Wiki Activity

GDTR: much faster type signature computation

Browse Source
This commit is contained in:
Pavel Kirienko
2014-02-28 14:12:35 +04:00
parent 03cf4aa901
commit 1c1e1b1fb9
2 changed files with 28 additions and 29 deletions
Download Patch File Download Diff File Expand all files Collapse all files
libuavcan/src/global_data_type_registry.cpp
+20 -29
View File
@@ -141,44 +141,35 @@ DataTypeSignature GlobalDataTypeRegistry::computeAggregateSignature(DataTypeKind
return DataTypeSignature();
}
int prev_dtid = -1;
DataTypeSignature signature;
bool signature_initialized = false;
for (int id = 0; id <= DataTypeDescriptor::MaxDataTypeID; id++)
Entry* p = list->get();
while (p)
{
if (!inout_id_mask[id])
continue;
const DataTypeDescriptor& desc = p->descriptor;
// TODO: do it faster - no need to traverse the list on each iteration
const DataTypeDescriptor* desc = NULL;
{
Entry* p = list->get();
while (p)
{
if (p->descriptor.match(kind, id))
{
desc = &p->descriptor;
break;
}
p = p->getNextListNode();
}
}
if (desc)
if (inout_id_mask[desc.getID()])
{
if (signature_initialized)
{
signature.extend(desc->getSignature());
}
signature.extend(desc.getSignature());
else
{
signature_initialized = true;
signature = DataTypeSignature(desc->getSignature());
}
signature = DataTypeSignature(desc.getSignature());
signature_initialized = true;
}
else
inout_id_mask[id] = false;
assert(prev_dtid < desc.getID()); // Making sure that list is ordered properly
prev_dtid++;
while (prev_dtid < desc.getID())
inout_id_mask[prev_dtid++] = false; // Erasing bits for missing types
assert(prev_dtid == desc.getID());
p = p->getNextListNode();
}
prev_dtid++;
while (prev_dtid <= DataTypeDescriptor::MaxDataTypeID)
inout_id_mask[prev_dtid++] = false;
return signature;
}