[GitHub] [tvm] ganler commented on a change in pull request #8285: [VM][PooledAllocator] try reallocation once when OOM

[GitBox <gi...@apache.org>]

ganler commented on a change in pull request #8285:
URL: https://github.com/apache/tvm/pull/8285#discussion_r654864035



##########
File path: src/runtime/vm/pooled_allocator.h
##########
@@ -57,14 +57,22 @@ class PooledAllocator final : public Allocator {
     Buffer buf;
     buf.device = device_;
     buf.size = size;
-    buf.data = DeviceAPI::Get(device_)->AllocDataSpace(device_, size, alignment, type_hint);
+    try {
+      buf.data = DeviceAPI::Get(device_)->AllocDataSpace(device_, size, alignment, type_hint);
+    } catch (InternalError& err) {
+      LOG(WARNING) << "PooledAllocator got InternalError during allocation: " << err.message();
+      LOG(WARNING) << "Trying to release all unused memory and reallocate...";
+      ReleaseAll();
+      buf.data = DeviceAPI::Get(device_)->AllocDataSpace(device_, size, alignment, type_hint);

Review comment:
       If it still fails, an InternalError will be thrown, causing a TVMError regarding OOM in the Python End. 




-- 
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.

For queries about this service, please contact Infrastructure at:
users@infra.apache.org