janetsc commented on code in PR #13028:
URL: https://github.com/apache/tvm/pull/13028#discussion_r992787060
##########
src/runtime/hexagon/hexagon_device_api.cc:
##########
@@ -115,13 +118,37 @@ void* HexagonDeviceAPI::AllocDataSpace(Device dev, size_t
nbytes, size_t alignme
if (alignment < kHexagonAllocAlignment) {
alignment = kHexagonAllocAlignment;
}
- return mgr->AllocateHexagonBuffer(nbytes, alignment, String("global"));
+ CHECK(runtime_hexbuffs) << "runtime_hexbuffs is not initalized";
+ return runtime_hexbuffs->AllocateHexagonBuffer(nbytes, alignment,
String("global"));
}
void HexagonDeviceAPI::FreeDataSpace(Device dev, void* ptr) {
CHECK(ptr) << "buffer pointer is null";
CHECK(IsValidDevice(dev)) << "dev.device_type: " << dev.device_type;
- mgr->FreeHexagonBuffer(ptr);
+ if (runtime_hexbuffs) {
+ runtime_hexbuffs->FreeHexagonBuffer(ptr);
+ } else {
+ LOG(INFO) << "FreeDataSpace called when runtime_hexbuffs is not
initialized";
Review Comment:
This is not an error condition, per se, as this can happen if clients that
allocated memory free their buffers on shutdown. Since this happens as part of
process shutdown, it is ok that we've already freed the memory.
One thing I could do is keep track of the buffers that were freed in
ReleaseResources, and make sure this is one of those pointers.
I also had it log a message using LOG instead of DLOG, because I want it to
be visible when we "leak" memory at the end of a session. Ideally, these
should all be freed before the session ends, and ReleaseResources() is called
from the RPC client.
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