Data-parallel problems demand ever growing floating-point (FP) operations per second under tight area- and energy-efficiency constraints. In this work, we present Manticore, a general-purpose, ultraefficient chiplet-based architecture for data-parallel FP workloads. We have manufactured prototype of the chiplet’s computational core in Globalfoundries 22FDX process demonstrate more than 5x impro...

Abstract This article introduces a new measure of fiscal policy uncertainty (FPU) based on the disagreement among professional forecasters. We analyse different patterns this for German economy and also use Italian data comparison. Especially, we examine impact introduction ‘debt brake’ FPU. Finally, conduct an impulse response analysis to investigate effect FPU real provide robust evidence tha...

The Fermi-Pasta-Ulam (FPU) problem consists of the nonequipartition of energy among normal modes of a weakly anharmonic atomic chain model. In the harmonic limit, each normal mode corresponds to a periodic orbit in phase space and is characterized by its wave number q. We continue normal modes from the harmonic limit into the FPU parameter regime and obtain persistence of these periodic orbits,...

The Fermi-Pasta-Ulam (FPU) paradox consists of the non-equipartition of energy among normal modes of a weakly anharmonic atomic chain model. In the harmonic limit each normal mode corresponds to a periodic orbit in phase space and is characterized by its wave number q. We continue normal modes from the harmonic limit into the FPU parameter regime and obtain persistence of these periodic orbits,...

A study was made of the possible similarity between the development of truncated, inviscid turbulence and the Fermi-Pasta-Ulam (FPU) problem. For the case of a constant time scale, which resembles the FPU problem, a significant increase in the time to achieve equipartition was found when the initial energy was decreased. At first a few modes were generated and only rather late in the spectral d...

0031-9007= We demonstrate via numerical simulation that in the strongly nonlinear limit the -Fermi-Pasta-Ulam ( -FPU) system in thermal equilibrium behaves surprisingly like weakly nonlinear waves in properly renormalized normal variables. This arises because the collective effect of strongly nonlinear interactions effectively renormalizes linear dispersion frequency and leads to effectively we...

This paper presents the design of a new bit-serial floating-point unit (FPU). It has been developed for the processors of the Instruction Systolic Array parallel computer model. In contrast to conventional bit-parallel FPUs the bit-serial approach requires different data formats. Our FPU uses an IEEE compliant internal floating point format that allows a fast least significant bit (LSB)-first a...

This paper presents the design of a new bit-serial floating-point unit (FPU). It has been developed for the processors of the Instruction Systolic Array parallel computer model. In contrast to conventional bit-parallel FPUs the bit-serial approach requires a different data format. Our FPU uses an IEEE compliant internal floating-point format that allows a fast least significant bit (LSB)-first ...