Large parallel systems for QCD

Large parallel systems for QCD

• Different approaches:QCDSP APEmille CP-PACSspecific less so more generalDSP(TI) VLIW RISC+Vector4D Torus 3D Torus 3D Hyper + bar30% peak? 50% peak? 40-50% peak ? 6 MUSD 18 MUSD budget

difficult ease of use/flexibility easy

low cost/simplicity high

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