private void initWorkspace() { workspace = Nd4j.getWorkspaceManager().createNewWorkspace( WorkspaceConfiguration.builder() .initialSize(memoryForGraph()) .policyAllocation(AllocationPolicy.OVERALLOCATE) .policyLearning(LearningPolicy.FIRST_LOOP) .build()); Nd4j.getWorkspaceManager().setWorkspaceForCurrentThread(workspace); }