docs: @Override
      public void purgeZeroObject(Long bucketId, Long objectId, AllocationPoint point, boolean copyback) {
          forget(point, AllocationStatus.HOST);
  
          flowController.waitTillReleased(point);
  
          // we call for caseless deallocation here
          //JCudaDriver.cuCtxSetCurrent(contextPool.getCuContextForDevice(0));
          free(point, AllocationStatus.HOST);
  
          point.setAllocationStatus(AllocationStatus.DEALLOCATED);
  
          long reqMem = AllocationUtils.getRequiredMemory(point.getShape()) * -1;
          zeroUseCounter.addAndGet(reqMem);
      }