achieving high performance on your ruby application with mongodb

... also focus on distribution operations (with nearly two-thirds of the cost base) and enterprise-wide functions Figure 3: Costs distribution across universal bank’s functions Distribution Segment ... operations are focusing on making distribution more efficient North American banks, on the other hand, are still targeting inefficiencies in the back office Figure demonstrates that, contrary to conventional ... tactical cost reductions with longer-term strategic cost initiatives will leave banks much better positioned for future high performance This approach can yield cost reductions up to 20 percent,...

Ngày tải lên: 16/02/2014, 11:20

... simultaneously Conclusion In conclusion, a high- power QD SLD with a broad bandwidth in the emission spectra is achieved by the two-section structure which monolithically integrates an SLD with a tapered ... amplifier The two-section QD-SLD device exhibits a high output power above 500 mW with a broad emission spectrum of 86 nm By properly controlling the current injection in the two sections of the QD-SLD ... power of 190 mW with a 78-nm spectral bandwidth [29] For a typical SLD device structure with a single current-injection section, the high output power can only be obtained at a high pumping level,...

Ngày tải lên: 18/06/2014, 22:20

... simultaneously Conclusion In conclusion, a high- power QD SLD with a broad bandwidth in the emission spectra is achieved by the two-section structure which monolithically integrates an SLD with a tapered ... amplifier The two-section QD-SLD device exhibits a high output power above 500 mW with a broad emission spectrum of 86 nm By properly controlling the current injection in the two sections of the QD-SLD ... power of 190 mW with a 78-nm spectral bandwidth [29] For a typical SLD device structure with a single current-injection section, the high output power can only be obtained at a high pumping level,...

Ngày tải lên: 20/06/2014, 04:20

... provided only for your convenience and may be superseded by updates It is your responsibility to ensure that your application meets with your specifications MICROCHIP MAKES NO REPRESENTATIONS OR ... FOSC1:FOSC0 (that is, one of the HC or EC modes) is used as the primary clock source on device Resets The default clock configuration on Reset can be changed with the FOSC2 Configuration bit This bit ... Automatic Polarity Detection and Correction Programmable Automatic Retransmit on Collision Programmable Padding and CRC Generation Programmable Automatic Rejection of Erroneous Packets Activity...

Ngày tải lên: 22/06/2014, 15:20

... coupled with an ion trap mass spectrometry detector was used The system was equipped with an electrospray ionization (ESI) source and an ion trap analyzer for UV and MS data acquisition A reverse ... solution was then filtered before HPLC injection Results and discussion Nucleosides and nucleobases as major components of water extract The chemical components in the water-soluble fraction were ... best choice of organic components to facilitate elution of ergosterol, which is only compatible with solvents of lower polarity Method validation To verify column performance and appropriateness...

Ngày tải lên: 13/08/2014, 15:21

... hydrophilic region of the protein, a region rich in amino acids with a higher than average contribution to the UV optical absorption and protonation of amino groups by electrospray ionization, leading ... 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 m/z signals can be deconvoluted into one peak on ... dissociation in a low ionic strength solution Information was collected on the possible supramolecolar organization and how some types of environmental stress may interfere with it In low ionic strength...

Ngày tải lên: 08/03/2014, 16:20

... Section we focus on a single TD—the reasons behind this assumption will be better clarified in Section Average distribution of Poisson points in a segment with finite length We now present a constructive ... constraint on the RE The obtained g ∗ is shown, as a function of ρs z, in Figure 8a, and the following considerations can be drawn: (i) g ∗ is an increasing monotonic function of ρs z; (ii) with ... variable with a Poisson distribution with parameter ρs z In Figure 2, an illustrative realization of a PPP with parameter ρs is shown With reference to Figure 2, denoting by n the number of Poisson...

Ngày tải lên: 20/06/2014, 20:20

... common expression elimination, code motion, exponentiation optimization, optimization of masked operations, loop unrolling, loop fusion, inline subroutine expansion, conversion of division to ... optimization features including automatic vectorization and automatic parallelization, partial and conditional vectorization, index migration, loop collapsing, nested loop vectorization, conversions, ... automatically indicates the location of the fault and an automatic reconfiguration function releases the faulty component and continues system operation In addition to the functions above, prompt fault...

Ngày tải lên: 15/12/2013, 13:15

... thread synchronisation), yielding low performance on small domains and saturation at high performance on large domains For the pipeline-parallel (SGI Altix) 3-D implementation a maximum performance ... condensation in fermion system is one of the most universal issues in fundamental physics, since particles which form matters, i.e., electron, proton, neutron, quark, and so on, are all fermions ... the turbulence applications under consideration in this report, the relevant application regime starts at grid sizes larger than 106 points As expected, the performance increases with increasing...

Ngày tải lên: 24/12/2013, 19:15

... electronic excitations [5] In addition to the ‘real-time propagation’ of electrons [4], we treat ionic motion within Ehrenfest approximation [6] Since ion dynamics requires typical simulation time ... equilibrium condition, the conventional Fermi-Golden rule dealing the electron-phonon coupling thus does not work Under such a non-equilibrium condition, the real-time propagation must be treated ... electronic excitation In Sect 3, we present application of TDDFT-MD simulation for optical excitation and subsequent dynamics in carbon nanotubes We demonstrate two examples The first one is spontaneous...

Ngày tải lên: 24/12/2013, 19:15

... The ExpApplicationServer consists of the ExpEngine, the Task, the ExpMonitorSupervisor and the ResourceMonitor The Task is the container application The ResourceMonitor holds information about ... considerable In contrast to this on the Pentium architecture the restrict keyword has a positive effect on the performance of multi-dimensional arrays and a negative effect for one-dimensional ones ... simulations One such example is the optimum design and steering of computation equipment for power plants The performance of today’s high performance computers enables simulation studies with results...

Ngày tải lên: 24/12/2013, 19:15

... separate OFA has only a minor effect on the NOx-emission In order to work on this combustion optimization problem in virtual reality, a high- resolution boiler model with million grid points was ... so-called “population”, and the GA of SEGL imitates the natural evolution process The imitation is done by applying the genetic mechanisms Selection, Recombination and Mutation An illustration of the ... automatic optimization described in the previous chapter was days The total optimisation consumed 581 CPUh Conclusion This paper presented the concept and description of the implementation of SEGL for...

Ngày tải lên: 24/12/2013, 19:15

... interconnect, a 3.2 GHz Xeon EM64T cluster with Infiniband interconnect, a GHz Opteron cluster with Myrinet 2000 interconnect, and an IBM Regatta cluster (1.7 GHz Power4+) with IBM High Performance ... SX6+ the performance increases subproportionally beyond CPUs For the Γ -point only version, the scaling degrades beyond CPUs, but this version is still faster than the full version If only the ... constant within element For advection dominated flow a Petrov-Galerkin formulation of 2nd order with skewed upwind orientated weighting functions is used For the solution of the momentum and continuity...

Ngày tải lên: 24/12/2013, 19:15

... center of the cell on the ray connecting the center of the cell and the particle’s true position As soon as the precondition is satisfied the virtual positions are discarded Only the now compliant ... multi-dimensional supernova simulations Equatorial symmetry is broken on large scales soon after bounce, and low-mode convection begins to dominate the flow between the neutron star and the strongly ... differential equations which is solved in our code consists of the following components: • The Euler equations of hydrodynamics, supplemented by advection equations for the electron fraction and the...

Ngày tải lên: 24/12/2013, 19:15

... the conservative variables Q 2.5 Boundary Conditions The modular concept for boundary conditions allows the application of the code to a variety of compressible flows Each boundary condition can ... Discretization As we use a conservative formulation, convective terms are discretized as one term to better restrain conservation equations Viscous terms are expanded because computing the second derivative ... domain configuration in combination with grid transformation, allows computations for a wide range of problems, e.g the simulation of a flow over a cavity as sketched in Fig The evaluation of the...

Ngày tải lên: 24/12/2013, 19:15

... based on the maximum performance per processor The reason for that is the non-exclusive usage of a node for runs with less than processors So computational performance can be affected by applications ... three-dimensional simulations, we plan to implement the FFT routines installed on the NEC SX-8 machine As communication is not depending on spanwise resolution, we hope that performance in 3-d computations ... memory parallelization, has been implemented This allows its application to a variety of problems in compressible fluid dynamics while achieving at the same time high computational performance (≈ GFLOP/s...

Ngày tải lên: 24/12/2013, 19:15

... by a highly-trusted component Myers and Liskov [27] introduce decentralised information flow control (DIFC) that permits applications to partition their rights by creating fresh labels and controlling ... piece of modifiable information: its synchronisation lock The lock is modified by synchronized blocks and by wait and notify calls This need to control synchronisation on shared objects also closes ... approach on eventdriven applications in terms of processing performance and memory consumption DEFC ON isolates the trading strategies of traders, thus allowing multiple strategies to be hosted on...

Ngày tải lên: 23/03/2014, 13:20

... Consolidation Design RAC Considerations Workload-Based Consolidation Time Zone-Based Consolidation ... xv xvi Achieving Extreme Performance with Oracle Exadata applications Exadata runs everything from enormous telecom data warehouses to response-time-critical financial trading applications We ... appliance characteristic of containing fixed components that assure a balanced hardware configuration The multistep pre-implementation sizing, configuration, and integration process is reduced to...

Ngày tải lên: 30/05/2014, 23:05

... you write your applications Classic enterprise applications usually optimize performance by taking a performance hit at startup time If your application is restarted only once every few months, ... traditional web application instance is measured in weeks or months Traditional web application here means a web application running on a physical machine that you maintain yourself rather than an application ... emulation of the real App Engine environment The real work starts when you upload your application to the online App Engine environment At this point, you have not yet configured the application...

Ngày tải lên: 30/05/2014, 23:53