687 citations · 5.7k across the 78 of their papers we have counts for
14 papers · 1 filter
Fast and accurate astronomical source deblending with Density-Peak Clustering
M. D. Lepinzan, F. Tomba, E. Romelli +2
Source deblending is a fundamental challenge for current and forthcoming astronomical surveys, where increasing source density and image depth lead to a growing number of overlappi…
The OpenGadget3 Code for Cosmological Simulations
Klaus Dolag, Geray S. Karademir, Luca Tornatore +28
We present the public release of OpenGadget3 (OG3), a substantially extended and re-organised version of the widely used Gadget-2/3 family of cosmological simulation codes. Since G…
OpenGadget3 GPU solver tests
A. Ragagnin, G. S. Karademir, F. Groth +6
We present an in-depth evaluation of the scalability and accuracy of the GPU porting of the N-body code for hydrodynamic cosmological simulations \og. While technical details of ou…
Accelerating radio astronomy imaging with RICK: a step towards SKA-Mid and SKA-Low
Giovanni Lacopo, Emanuele De Rubeis, Claudio Gheller +2
The data volumes generated by modern radio interferometers, such as the SKA precursors, present significant computational challenges for imaging pipelines. Addressing the need for…
Accelerating cosmological simulations on GPUs: a step towards sustainability and green-awareness
Giovanni Lacopo, Marius Daniel Lepinzan, David Goz +7
The increasing complexity and scale of cosmological N-body simulations, driven by astronomical surveys like Euclid, call for a paradigm shift towards more sustainable and energy-ef…
EuroHPC SPACE CoE: Redesigning Scalable Parallel Astrophysical Codes for Exascale
Nitin Shukla, Alessandro Romeo, Caterina Caravita +36
High Performance Computing (HPC) based simulations are crucial in Astrophysics and Cosmology (A&C), helping scientists investigate and understand complex astrophysical phenomena. T…
Accelerating radio astronomy imaging with RICK
Emanuele De Rubeis, Giovanni Lacopo, Claudio Gheller +2
This paper presents an implementation of radio astronomy imaging algorithms on modern High Performance Computing (HPC) infrastructures, exploiting distributed memory parallelism an…
Performance and energy footprint assessment of FPGAs and GPUs on HPC systems using Astrophysics application
David Goz, Georgios Ieronymakis, Vassilis Papaefstathiou +7
New challenges in Astronomy and Astrophysics (AA) are urging the need for a large number of exceptionally computationally intensive simulations. "Exascale" (and beyond) computation…
INAF Trieste Astronomical Observatory Information Technology Framework
S. Bertocco, D. Goz, L. Tornatore +6
INAF Trieste Astronomical Observatory (OATs) has a long tradition in information technology applied to Astronomical and Astrophysical use cases, particularly for what regards compu…
Shall numerical astrophysics step into the era of Exascale computing?
Giuliano Taffoni, Giuseppe Murante, Luca Tornatore +5
High performance computing numerical simulations are today one of the more effective instruments to implement and study new theoretical models, and they are mandatory during the pr…
Direct -body code on low-power embedded ARM GPUs
David Goz, Sara Bertocco, Luca Tornatore +1
This work arises on the environment of the ExaNeSt project aiming at design and development of an exascale ready supercomputer with low energy consumption profile but able to suppo…
Astrophysical code migration into Exascale Era
David Goz, Sara Bertocco, Luca Tornatore +1
The ExaNeSt and EuroExa H2020 EU-funded projects aim to design and develop an exascale ready computing platform prototype based on low-energy-consumption ARM64 cores and FPGA accel…
Cosmological Simulations in Exascale Era
D. Goz, L. Tornatore, G. Taffoni +1
The architecture of Exascale computing facilities, which involves millions of heterogeneous processing units, will deeply impact on scientific applications. Future astrophysical HP…
A decline and fall in the future of Italian Astronomy?
Angelo Antonelli, Vincenzo Antonuccio-Delogu, Andrea Baruffolo +89
On May 27th 2010, the Italian astronomical community learned with concern that the National Institute for Astrophysics (INAF) was going to be suppressed, and that its employees wer…