NektarIR is an MLIR-based domain-specific compiler that enables just-in-time compilation of finite element operators for spectral/hp element solvers on heterogeneous hardware.
Efficient exascale discretizations: High-order finite element methods,
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A fused gather-GEMM-scatter CUDA kernel achieves 4.6-7.3x end-to-end speedup and 3.2-4.9x lower energy for matrix-free 3D SIMP topology optimization on RTX 4090 compared to three-stage baselines.
SME-aware kernel and hybrid execution optimizations for SPECFEM3D on LX2 ARM processors deliver 4-6x speedup and shift the favorable (h,p) operating point to higher orders along the dispersion-based iso-accuracy frontier.
citing papers explorer
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NektarIR: A Domain-Specific Compiler for High-Order Finite Element Operations on Heterogeneous Hardware
NektarIR is an MLIR-based domain-specific compiler that enables just-in-time compilation of finite element operators for spectral/hp element solvers on heterogeneous hardware.
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Matrix-Free 3D SIMP Topology Optimization with Fused Gather-GEMM-Scatter Kernels
A fused gather-GEMM-scatter CUDA kernel achieves 4.6-7.3x end-to-end speedup and 3.2-4.9x lower energy for matrix-free 3D SIMP topology optimization on RTX 4090 compared to three-stage baselines.
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High-Order Spectral Element Methods for Wave Propagation on ARM Multicore CPU with SME: Optimizations and Implications
SME-aware kernel and hybrid execution optimizations for SPECFEM3D on LX2 ARM processors deliver 4-6x speedup and shift the favorable (h,p) operating point to higher orders along the dispersion-based iso-accuracy frontier.