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Compress objects, not cache lines: an object-based compressed memory hierarchy

The Morning Paper

Last time out we saw how Google have been able to save millions of dollars though memory compression enabled via zswap. Looking across a set of eight Java benchmarks, we find that only two of them are array dominated, the rest having between 40% to 75% of the heap footprint allocated to objects, the vast majority of which are small.

Cache 61
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Upcoming of the learned data structures

Abhishek Tiwari

This is a question recently asked and explored by a team of Google researchers led by Jeff Dean with a major focus on database indexes. Jeff is a Google Senior Fellow in the Google Brain team and widely known as a pioneer in artificial intelligence (AI) and deep learning community. Learned indexes. Bigger picture.

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Performance Testing - Tools, Steps, and Best Practices

KeyCDN

Before you begin tuning your website or application, you must first figure out which metrics matter most to your users and establish some achievable benchmarks. In the context of web development, performance testing entails using software tools to simulate how an application runs under specific circumstances.

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The Return of the Frame Pointers

Brendan Gregg

To explain this example in more detail: The profiler periodically interrupts software execution, and for those disconnected stacks it happens to be the execution of the kernel software ("vfs*", "ext*", etc.). Google should be no surprise because they pioneered continuous profiling.) Click here for a longer explanation.

Java 145
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SKP's Java/Java EE Gotchas: Clash of the Titans, C++ vs. Java!

DZone

As a Software Engineer, the mind is trained to seek optimizations in every aspect of development and ooze out every bit of available CPU Resource to deliver a performing application. One, by researching on the Internet; Two, by developing small programs and benchmarking.

Java 207
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From Heavy Metal to Irrational Exuberance

ACM Sigarch

Second, optimization efforts for JavaScript were the subject of probably millions of developer hours by a number of companies, notably Google, Microsoft, and Mozilla, and built on decades of research in the PL community on how to optimize such languages (starting with the Self project , which started in the late 80s). MICRO 15 , Gope et al.,

C++ 108
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Progress Delayed Is Progress Denied

Alex Russell

As an engineer on a browser team, I'm privy to the blow-by-blow of various performance projects, benchmark fire drills, and the ways performance marketing (deeply) impacts engineering priorities. With each team, benchmarks lost are understood as bugs. PowerPoint or Google Slides). is access to hardware devices.

Media 145