Alex Russell

MARCH 9, 2024

In some sense it's a confidence-management exercise. Of course, it would be better from the OS vendor's perspective if everyone simply wrote all of the software for their proprietary platform, maximising OS feature differentiation. A Web as Meta-Platform endgame requires that the platform continues to improve in expressive capacity.

Benchmarking 59

Benchmarking Strategy Internet Internet 59

Percona

AUGUST 8, 2023

Hardware considerations The first thing we have to consider here is the resources that the underlying host provides to the database. But, much like any other software that allows for concurrent session usage, there are mutexes/semaphores in the code that are used to limit the number of sessions that can access shared resources.

Traffic 88

Traffic Cache Monitoring Database 88

The Morning Paper

DECEMBER 8, 2019

Byte-addressable non-volatile memory,) NVM will fundamentally change the way hardware interacts, the way operating systems are designed, and the way applications operate on data. This is left as an exercise for the application developer at present. Traditional pointers address a memory location (often virtual of course).

Hardware 56

Hardware Programming Media Storage 56

Alex Russell

SEPTEMBER 20, 2020

Pre-publication gates were valuable when better answers weren't available, but commentators should update their priors to account for hardware and software progress of the past 13 years. Fast forward a decade, and both the software and hardware situations have changed dramatically. Apple added frictionless, safe payment.

Hardware 64

Hardware Mobile Programming Java 64

John McCalpin

AUGUST 1, 2018

According to Dr. Bandwidth, performance analysis has two recurring themes: How fast should this code (or “simple” variations on this code) run on this hardware? The user environment defines the mapping of MPI ranks to hardware resources (cores, sockets, nodes). The MPI runtime library. in ways that are seldom transparent.

Hardware 40

Hardware Transportation Performance Latency 40

Adrian Cockcroft

NOVEMBER 11, 2019

There are many possible failure modes, and each exercises a different aspect of resilience. In the same way that we have moved from a few big software releases a year to continuous delivery of many small changes, we need to move from annual disaster recover tests or suffering when things actually break, to continuously tested resilience.

Latency 52

Latency Engineering Systems Hardware 52

Adrian Cockcroft

NOVEMBER 11, 2019

There are many possible failure modes, and each exercises a different aspect of resilience. In the same way that we have moved from a few big software releases a year to continuous delivery of many small changes, we need to move from annual disaster recover tests or suffering when things actually break, to continuously tested resilience.

Latency 53

Latency Engineering Systems Hardware 53

HammerDB

JANUARY 5, 2019

As the chart shows because we know that both HammerDB and the implementation of the TPC-C workload scales then we can determine that with this particular database engine both the software and hardware scales as well. can you be sure that it scales?

Benchmarking 40

Benchmarking Database Social Media Scalability 40

The Morning Paper

JULY 4, 2019

degraded hardware, transient networking problem) or, more often, because of some change deployed by Netflix engineers that did not have the intended effect. In this type of environment, there are many potential sources of failure, stemming from the infrastructure itself (e.g.

Latency 77

Latency Engineering Metrics Traffic 77

All Things Distributed

NOVEMBER 15, 2010

Modern CPUs strongly favor lower latency of operations with clock cycles in the nanoseconds and we have built general purpose software architectures that can exploit these low latencies very well. Configuring kernel execution is not a trivial exercise and requires GPU device specific knowledge. General Purpose GPU programming.

AWS 136

AWS Latency Programming Architecture 136

John McCalpin

JANUARY 22, 2018

There was no deep goal — just a desire to see the maximum GFLOPS in action. The exercise seemed simple enough — just fix one item in the Colfax code and we should be finished. This is an uninspiring fraction of peak performance that would normally suggest significant inefficiencies in either the hardware or software.

Latency 40

Latency Hardware Code Testing 40