"OutOfMemory" or "Try increasing the workspace size"

[marcoslucianops]

ERROR: [TRT]: 2: [virtualMemoryBuffer.cpp::resizePhysical::160] Error Code 2: OutOfMemory (no further information)
ERROR: [TRT]: 2: [virtualMemoryBuffer.cpp::resizePhysical::145] Error Code 2: OutOfMemory (no further information)
WARNING: [TRT]: Requested amount of GPU memory (4294967296 bytes) could not be allocated. There may not be enough free memory for allocation to succeed.
WARNING: [TRT]: Skipping tactic 3 due to insufficient memory on requested size of 4294967296 detected for tactic 0x0000000000000004.
Try decreasing the workspace size with IBuilderConfig::setMemoryPoolLimit().

or

INFO: ../nvdsinfer/nvdsinfer_func_utils.cpp:39 [TRT]: Some tactics do not have sufficient workspace memory to run. Increasing workspace size may increase performance, please check verbose output.
ERROR: ../nvdsinfer/nvdsinfer_func_utils.cpp:33 [TRT]: Try increasing the workspace size with IBuilderConfig::setMaxWorkspaceSize() if using IBuilder::buildEngineWithConfig, or IBuilder::setMaxWorkspaceSize() if using IBuilder::buildCudaEngine.

If you get similar error, try to set the workspace-size to a value less than the GPU memory in the config_infer_primary file.

Example for GPU with 4GB memory

[property]
...
workspace-size=2000
...