a retrospective on high performance embedded computing

... 63–83 Martinez, D.R., M Vai, and R Bond 2004 Tutorial on real-time embedded computing for signal and image processing IEEE International Radar Conference, Philadelphia Abstract available online at ... Several academic and laboratory pioneers began to demonstrate the impact that digital signal processing could have on a broad range of disciplines, such as speech, radar, sonar, imaging, and seismic ... Chapter Computational Characteristics of High Performance Embedded Algorithms and Applications 73 Masahiro Arakawa and Robert A Bond, MIT Lincoln Laboratory 5.1 Introduction ...

Ngày tải lên: 08/03/2016, 11:34

... packet may include any of the following types of data ■ Video data ■ Audio data ■ Nonaudiovisual data ■ Synchronization information Because several streams are combined into one system stream, ... Session layer—Control activities such as checkpointing Presentation layer—Data exchange formats Application layer—The interface between the application and the network Although it may seem that embedded ... the data bit values as messages Multiple iterations should cause the algorithm to settle onto a good estimate of the data bit values A radio may simply act as the physical layer of a standard...

Ngày tải lên: 08/03/2016, 11:34

... a1 ,2 a1 ,3 a1 ,4 a1 ,5 a1 ,6 a1 ,7 a1 ,8 a2 ,0 a2 ,1 a2 ,2 a2 ,3 a2 ,4 a2 ,5 a2 ,6 a2 ,7 a2 ,8 A= a3 ,0 a3 ,1 a3 ,2 a3 ,3 a3 ,4 a3 ,5 a3 ,6 a3 ,7 a3 ,8 a4 ,0 a4 ,1 a4 ,2 a4 ,3 a4 ,4 a4 ,5 a4 ,6 a4 ,7 a4 ,8 a5 ,0 a5 ,1 a5 ,2 a5 ,3 a5 ,4 ... a5 ,5 a5 ,6 a5 ,7 a5 ,8 a6 ,0 a6 ,1 a6 ,2 a6 ,3 a6 ,4 a6 ,5 a6 ,6 a6 ,7 a6 ,8 a7 ,0 a7 ,1 a7 ,2 a7 ,3 a7 ,4 a7 ,5 a7 ,6 a7 ,7 a7 ,8 (a) Original matrix A a= a0 ,0 a0 ,1 a0 ,2 a0 ,3 a0 ,4 a0 ,5 a0 ,6 a0 ,7 a0 ,8 a1 ,0 a1 ,1 a1 ,2 ... a2 ,7 a2 ,8 a2 ,0 a2 ,1 a2 ,2 a2 ,3 a2 ,4 a2 ,5 a2 ,6 a2 ,7 a2 ,8 a2 ,0 a2 ,1 a2 ,2 a2 ,3 a2 ,4 a2 ,5 a2 ,6 a2 ,7 a2 ,8 a3 ,0 a3 ,1 a3 ,2 a3 ,3 a3 ,4 a3 ,5 a3 ,6 a3 ,7 a3 ,8 a3 ,0 a3 ,1 a3 ,2 a3 ,3 a3 ,4 a3 ,5 a3 ,6 a3 ,7 a3 ,8 a3 ,0...

Ngày tải lên: 25/11/2015, 13:27

... for association of Amplicon Class and accepted descriptors of breast carcinoma for all 63 patients are summarized in Table No significant associations between Amplicon Class and presence of invasion, ... group in a Cox proportional hazards regression analysis which also included age as a covariate TOP 2A deletion also had significantly increased hazard of recurrence after adjustment by grade (HR ... considered multivariate analysis with TOP 2A deletion and one additional covariate at a time TOP 2A deletion had significantly increased hazard of recurrence (HR = 8.6, p-value = 0.002) than the other...

Ngày tải lên: 10/08/2014, 22:20

... Social orders Interactional history Phonology, grammar Vocabulary Situational context Intertextual context Surface of utterance Semantics, Pragmatics Meanings of utterance Cohesion Pragmatics ... Goal Material Actor started to read ever heard ran past Participant Material Material Mental Material Material her say her on the first lap of the race behind the railing at the chant another school ... E.Stake (1995) The Art of Case Study Research, Thousand Oaks, London and Delhi: Sage Fairclough, N (1992) Critical Language Awareness London: Longman Fairclough, N (1993) Critical Discourse Analysis...

Ngày tải lên: 02/03/2015, 14:22

... watermark 20 S Tagaya et al The compilers provide advanced automatic optimization features including automatic vectorization and automatic parallelization, partial and conditional vectorization, ... this watermark The NEC SX-8 Vector Supercomputer System Satoru Tagaya1 , Masato Nishida1 , Takashi Hagiwara1 , Takashi Yanagawa2 , o Yuji Yokoya2 , Hiroshi Takahara3 , J¨rg Stadler4 , Martin Galle4 ... FORTRAN90/SX offers automatic vectorization and parallelization applied to standard portable Fortran95 codes In addition to the listed advanced optimization features, FORTRAN90/SX includes data trace...

Ngày tải lên: 15/12/2013, 13:15

... 110-0015, Japan, {yamada.susumu, machida.masahiko}@jaea.go.jp, CREST, JST, 4-1-8, Honcho, Kawaguchi-shi, Saitama 330-0012, Japan Abstract To investigate a possibility of special physical properties ... but confronts a fatal problem because of the negative sign in the probability calculation [2] In this study, we choose the conventional method, the exact diagonalization One can raise a challenging ... into consideration in Sect Section presents the implementation of two solvers on the Earth Simulator, and Sect shows actual performance in large-scale matrix diagonalizations on the Earth Simulator...

Ngày tải lên: 24/12/2013, 19:15

... intra-node parallelism, i.e., thread parallelization and vectorization, is crucial as well as the inter-node parallelization In the intra-node parallel programming, we adopt the automatic parallelization ... simulation reached to a point at which different adiabatic potential energy surfaces (PESs) crosses and a probability of non-adiabatic transition grows considerably There is a traditional quantum ... based on a saturable absorber incorporating carbon nanotubes”, by S Y Set, H Yaguchi, M Jablonski, Y Tanaka, Y Sakakibara, A Rozhin, M Tokumoto, H Kataura, Y Achiba, K Kikuchi, Proc of Optical Fiber...

Ngày tải lên: 24/12/2013, 19:15

... Databases The storage and administration of parameter sets and data for an extensive parameter study is a challenging problem, best handled using a flexible database An adequate database capability ... of parameterization, iterative processing, data archiving, logical branching, and the synchronization of parallel branches and processes The parameterization of data is an extremely difficult and ... Simulations 97 Table Performance (per CPU) of row and diagonal formats on SX-6+/SX-8 Machine SX-6+ SX-6+ SX-8 SX-8 Format Row storage Diagonal storage Row storage Diagonal storage MFlops Bank conflicts...

Ngày tải lên: 24/12/2013, 19:15

... in Table 1, an accuracy of approximately ±10% between simulation and reality can be reached on the high- resolution boiler model The optimization parameters “OFA damper setting”, “CCOFA damper ... boundary layers on surfaces and wake sheets downstream of the surfaces The boundary layers may separate at bluff body components Flow separation may also occur at the retreating rotor blades, ... LES/CAA Method for Aeroacoustic Applications 141 Computational Setup One of the primary conclusions from the European LESFOIL project is that an adequate numerical resolution especially in the near...

Ngày tải lên: 24/12/2013, 19:15

... with ab-initio methods, thus making quantum mechanical information available also to large scale simulations For accurate and reliable simulations of large systems, both classical and quantum ... this is a high computational effort The interactions between atoms are governed by quantum mechanics Therefore an accurate and reliable simulation would actually require a quantum mechanical model ... reduced dramatically The data interpolation is done with a trilinear algorithm 8.4 CAA Computation For the CAA computation this proposed APE-System has been implemented into the PIANO (Perturbation...

Ngày tải lên: 24/12/2013, 19:15

... dependent hash function maps each molecule to an array entry and hash collisions are handled by lists All atoms are additionally kept in a separate list (resp one-dimensional array for the sequential ... detectors on earth and in space? And what can one learn about supernova dynamics from a future measurement of such signals in case of a Galactic supernova? Numerical Models 2.1 History and Constraints ... two-dimensional array listing the particles in each cell, are used in Grid Search on the sub-cell level: a one-dimensional array storing the number of particles in each group and a two-dimensional array...

Ngày tải lên: 24/12/2013, 19:15

... a combination of analytics and data analysis of DNS results Following on the agenda are now the nature and characteristics of the next adjacent layer [20], in which no fixed characteristic scale ... layers allows to cover the overlap range with data points and to reliably extract the approximation coefficients, the available data on plane channel flows remains insufficient As seen in Fig 1, data are ... go beyond an equidistant cartesian grid to arbitrary twodimensional geometries The parallelization concept of both MPI and shared memory parallelization allows to use parallel vector machines...

Ngày tải lên: 24/12/2013, 19:15

... Numerical Simulation of Shear Flow Phenomena 245 choosing the appropriate combination of filter- and grid-stretching-parameters is nontrivial Performance Good computational performance of a parallel ... code, as well as a hybrid parallelization, consisting of MPI and shared memory parallelization, has been implemented This allows its application to a variety of problems in compressible fluid dynamics ... the x-y plane hybrid parallelization consisting of MPI and shared memory parallelization applicable to a wide range of problems: sub-, trans- and supersonic To increase the performance for three-dimensional...

Ngày tải lên: 24/12/2013, 19:15

... both environmental factors such as UV radiation and physiological stress such as starvation may affect this supraorganization are also presented MATERIALS AND METHODS Chemicals Reagent-grade phosphoric ... signals can be deconvoluted into one peak on a real mass scale, which has a typical peak width at half height of 10–20 average mass units The mass spectrometer was tuned for chromatographic conditions ... from two measured adjacent m/z values, given the additional information that two adjacent multiply charged ions differ by one charge Once M and z are determined for one pair of peaks, all other...

Ngày tải lên: 08/03/2014, 16:20

... VIETNAM NATIONAL UNIVERSITY, HANOI UNIVERSITY OF LANGUAGES AND INTERNATIONAL STUDIES FACULTY OF POST-GRADUATE STUDIES NGUYỄN DIỆU HUYỀN A STUDY ON THE EFFECTS OF PRE - LISTENING ACTIVITIES ON THE ... 3.1 Data analysis of the questionnaire results 16 17 17 18 18 18 3.1.1 Data analysis of the teachers’ questionnaire 3.1.1.1 Teachers’ attitudes towards pre-listening activities and ... The questionnaire for the teachers 2.3.1.2 The questionnaire for the students 2.3.2 Class observation 2.4 Procedure Chapter Data analysis and discussion ...

Ngày tải lên: 19/03/2015, 10:37

... target at a wide range of applications and high compression capability 1.1 Overview of H.264/AVC Standard H.264/AVC was jointly developed by ITU-T and ISO/IEC, and gained rapid adoptions in a ... Review of Arithmetic Coding and CABAC acceleration of renormalization and bit output of BAC In some situations, long delay can be caused when large number of OS bits are accumulated Ratio (Value) ... H.264/AVC at the final stage of VCL including CAVLC (context-based adaptive variable length coding) [9] and CABAC (context-based adaptive binary arithmetic coding) [10, 14] In the Baseline and...

Ngày tải lên: 10/09/2015, 15:50

... registered commercial aircraft with more than one flight attendant or 12 seats to carry an automatic external defibrillator (AED) Although most large national European national airlines carry AEDs, some ... (Luftfahrt-Bundesamt, Braunschweig, Germany) and the European Joint Aviation Authorities (JAA; Cologne, Germany) regulate aviation on the national and continental level They regulate by law the contents ... USA, Canada and the UK physicians on airplanes are not required by law to respond to a call for help [8] In contrast, the European Union and Australia require physicians on board to so Physicians...

Ngày tải lên: 25/10/2012, 10:31