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AdBlock Plus’s effect on Firefox’s memory usage
[Update: Wladimir Palant has posted a response on the AdBlock Plus blog. Also, a Chrome developer using the handle “Klathmon” has posted numerous good comments in the Reddit discussion of this post , explaining why ad-blockers are inherently CPU- and memory-intensive, and why integrating ad-blocking into a browser…
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Introducing the WebKit FTL JIT
Designed to bring aggressive C-like optimizations to the largest variety of JavaScript programs.
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AWS EC2 Container Service
Earlier this year I wrote about container computing and enumerated some of the benefits that you get when you use it as the basis for a distributed application platform: consistency & fidelity, development efficiency, and operational efficiency. Because containers are lighter in weight and have less memory and…
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How we made editing Wikipedia twice as fast
Over the past six months we deployed a new technology that sped up Wikipedia’s backend application, reducing the median page-saving time for editors from about 7.5 seconds to 2.5 seconds.
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Post Mortem: A single whitespace character
Cloud printing for retail and food and beverage operations.
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Linux 3.13
Summary of the changes and new features merged in the Linux kernel during the 3.13 development cycle
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Multi-Datacenter Cassandra on 32 Raspberry Pi’s
Deepening watsonx capabilities to address enterprise gen AI data needs with DataStax.
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Are we shooting ourselves in the foot with stack overflows?
How-to articles about designing safe, reliable, and secure embedded systems.
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PyPy-STM: first “interesting” release
Hi all, PyPy-STM is now reaching a point where we can say it's good enough to be a GIL-less Python. (We don't guarantee there are no more...
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Update on Metro
Earlier this week, I asked our engineering leads and release managers to take the Windows Metro version of Firefox off the trains. The team is solid and did good work, ...
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How fast is PDF.js?
Hi, my name is Thorben and I work at Opera Software in Oslo, not at Mozilla. So, how did I end up writing for Mozilla Hacks? Maybe you know that ...
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Please grow your buffers exponentially
If you record every heap allocation and re-allocation done by Firefox you find some interesting things. In particular, you find some sub-optimal buffer growth strategies that cause a lot of heap churn.
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Low Cost EC2 Instances With Burstable Performance
Even though the speedometer in my car maxes out at 150 MPH, I rarely drive at that speed (and the top end may be more optimistic than realistic), but it is certainly nice to have the option to do so when the time and the circumstances are right. Most of the time I am using […]
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The poisoned NUL byte, 2014 edition
Posted by Chris Evans, Exploit Writer Underling to Tavis OrmandyBack in this 1998 post to the Bug...
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Why UPS Trucks Rarely Turn Left
UPS engineers map out routes for their drivers consisting of "a series of right-hand loops"
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Generational GC has landed in Firefox
Big news: late last week, generational garbage collection landed. It was backed out at first due to some test failures, but then re-landed and appears to have stuck.
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Solving the Mystery of Link Imbalance: A Metastable Failure State at Scale
Visit the post for more.
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Searching 20 GB/sec: Systems Engineering Before Algorithms
SentinelOne unifies AI-powered endpoint, cloud, identity, and data protection—enhanced by our Security Data Lake for seamless and efficient cybersecurity.