diff --git a/devito/operator/xdsl_operator.py b/devito/operator/xdsl_operator.py
index 2ffe0008638..ff2283166aa 100644
--- a/devito/operator/xdsl_operator.py
+++ b/devito/operator/xdsl_operator.py
@@ -53,9 +53,9 @@
 # gpu-launch-sink-index-computations seemed to have no impact
 MLIR_GPU_PIPELINE = '"builtin.module(test-math-algebraic-simplification,scf-parallel-loop-tiling{parallel-loop-tile-sizes=128,1,1},func.func(gpu-map-parallel-loops),convert-parallel-loops-to-gpu,fold-memref-alias-ops,expand-strided-metadata,lower-affine,gpu-kernel-outlining,canonicalize,cse,convert-arith-to-llvm{index-bitwidth=64},finalize-memref-to-llvm{index-bitwidth=64},convert-scf-to-cf,convert-cf-to-llvm{index-bitwidth=64},canonicalize,cse,gpu.module(convert-gpu-to-nvvm,reconcile-unrealized-casts,canonicalize,gpu-to-cubin),gpu-to-llvm,canonicalize,cse)"'
 
-XDSL_CPU_PIPELINE = "stencil-shape-inference,convert-stencil-to-ll-mlir,printf-to-llvm"
+XDSL_CPU_PIPELINE = "stencil-shape-inference,convert-stencil-to-ll-mlir{tile-sizes=64,64},printf-to-llvm"
 XDSL_GPU_PIPELINE = "stencil-shape-inference,convert-stencil-to-ll-mlir{target=gpu},printf-to-llvm"
-XDSL_MPI_PIPELINE = lambda decomp: f'"dmp-decompose-2d{decomp},canonicalize-dmp,convert-stencil-to-ll-mlir,dmp-to-mpi{{mpi_init=false}},lower-mpi,printf-to-llvm"'
+XDSL_MPI_PIPELINE = lambda decomp: f'"dmp-decompose-2d{decomp},canonicalize-dmp,convert-stencil-to-ll-mlir{{tile-sizes=64,64}},dmp-to-mpi{{mpi_init=false}},lower-mpi,printf-to-llvm"'
 
 
 class XDSLOperator(Operator):