Nils Asmussen
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View article: The Fake-Busy and True-Idle Problems of Running Graph Applications on Chiplet-Based Multi-cores
The Fake-Busy and True-Idle Problems of Running Graph Applications on Chiplet-Based Multi-cores Open
The open-source and community-supported gem5 simulator is one of the most popular tools for computer architecture research. This simulation infrastructure allows researchers to model modern computer hardware at the cycle level, and it has …
View article: Distrusting cores by separating computation from isolation
Distrusting cores by separating computation from isolation Open
View article: Robust and Immediate Resource Reclamation with M3
Robust and Immediate Resource Reclamation with M3 Open
View article: Towards Disaggregation-Native Data Streaming between Devices
Towards Disaggregation-Native Data Streaming between Devices Open
Disaggregation is an ongoing trend to increase flexibility in datacenters. With interconnect technologies like CXL, pools of CPUs, accelerators, and memory can be connected via a datacenter fabric. Applications can then pick from those poo…
View article: The $I$ = 1/2 and 3/2 $K-π$ scattering length with domain wall fermions at physical pion mass with all-to-all propagators
The $I$ = 1/2 and 3/2 $K-π$ scattering length with domain wall fermions at physical pion mass with all-to-all propagators Open
We present our calculations for the $I$ = 1/2 and 3/2 $K-π$ s-wave scattering length with physical quark masses, extracted from the interaction energy of Euclidean two-point functions. We use the domain wall fermion action with physical qu…
View article: The I=1/2 and 3/2 K-𝜋 scattering length with domain wall fermions at physical pion mass with all-to-all propagators
The I=1/2 and 3/2 K-𝜋 scattering length with domain wall fermions at physical pion mass with all-to-all propagators Open
We present our calculations for the 𝐼 = 1/2 and 3/2 K-𝜋 s-wave scattering length with physical quark masses, extracted from the interaction energy of Euclidean two-point functions. We use the domain wall fermion action with physical quark …
View article: Slashing the Disaggregation Tax in Heterogeneous Data Centers with FractOS
Slashing the Disaggregation Tax in Heterogeneous Data Centers with FractOS Open
Disaggregated heterogeneous data centers promise higher efficiency, lower total costs of ownership, and more flexibility for data-center operators. However, current software stacks can levy a high tax on application performance. Applicatio…
View article: Efficient and Scalable Core Multiplexing with M3v
Efficient and Scalable Core Multiplexing with M3v Open
The M3 system (ASPLOS ’16) proposed a hardware/software codesign that simplifies integration between general-purpose cores and special-purpose accelerators, allowing users to easily utilize them in a unified manner. M3
View article: A variance reduction technique for hadronic correlators with partially twisted boundary conditions
A variance reduction technique for hadronic correlators with partially twisted boundary conditions Open
Partially twisted boundary conditions are widely used for improving the momentum resolution in lattice computations of hadronic correlation functions. The method is however expensive since every additional twist requires computing addition…
View article: Hadronic light-by-light scattering contribution to the muon $g-2$ from lattice QCD: semi-analytical calculation of the QED kernel
Hadronic light-by-light scattering contribution to the muon $g-2$ from lattice QCD: semi-analytical calculation of the QED kernel Open
Hadronic light-by-light scattering is one of the virtual processes that causes the gyromagnetic factor $g$ of the muon to deviate from the value of two predicted by Dirac's theory. This process makes one of the largest contributions to the…
View article: A variance reduction technique for hadronic correlators with partially twisted boundary conditions
A variance reduction technique for hadronic correlators with partially twisted boundary conditions Open
Partially twisted boundary conditions are widely used for improving the momentum resolution in lattice computations of hadronic correlation functions. The method is however expensive since every additional twist requires computing addition…
View article: The gem5 Simulator: Version 20.0+
The gem5 Simulator: Version 20.0+ Open
The open-source and community-supported gem5 simulator is one of the most popular tools for computer architecture research. This simulation infrastructure allows researchers to model modern computer hardware at the cycle level, and it has …
View article: Developments in the position-space approach to the HLbL contribution to\n the muon $g-2$ on the lattice
Developments in the position-space approach to the HLbL contribution to\n the muon $g-2$ on the lattice Open
The measurement of the anomalous magnetic moment of the muon and its\nprediction allow for a high-precision test of the Standard Model (SM). In this\nproceedings article we present ongoing work combining lattice QCD and continuum\nQED in o…
View article: Hadronic light-by-light scattering in the anomalous magnetic moment of\n the muon
Hadronic light-by-light scattering in the anomalous magnetic moment of\n the muon Open
Hadronic light-by-light scattering in the anomalous magnetic moment of the\nmuon $a_\\mu$ is one of two hadronic effects limiting the precision of the\nStandard Model prediction for this precision observable, and hence the\nnew-physics dis…
View article: A Hardware/Software Stack for Heterogeneous Systems
A Hardware/Software Stack for Heterogeneous Systems Open
Plenty of novel emerging technologies are being proposed and evaluated today, mostly at the device and circuit levels. It is unclear what the impact of different new technologies at the system level will be. What is clear, however, is that…
View article: The Orchestration Stack: The Impossible Task of Designing Software for Unknown Future Post-CMOS Hardware
The Orchestration Stack: The Impossible Task of Designing Software for Unknown Future Post-CMOS Hardware Open
Future systems based on post-CMOS technologies will be wildly heterogeneous, with properties largely unknown today. This paper presents our design of a new hardware/software stack to address the challenge of preparing software development …
View article: Position-space approach to hadronic light-by-light scattering in the\n muon $g-2$ on the lattice
Position-space approach to hadronic light-by-light scattering in the\n muon $g-2$ on the lattice Open
The anomalous magnetic moment of the muon currently exhibits a discrepancy of\nabout three standard deviations between the experimental value and recent\nStandard Model predictions. The theoretical uncertainty is dominated by the\nhadronic…
View article: Query processing on low-energy many-core processors
Query processing on low-energy many-core processors Open
Aside from performance, energy efficiency is an increasing challenge in database systems. To tackle both aspects in an integrated fashion, we pursue a hardware/software co-design approach. To fulfill the energy requirement from the hardwar…