Java 10 HotSpot Disassembly on macOS High Sierra

Printing Generated Assembly Code From The Hotspot JIT Compiler documented back in 2013 how to view Java Hotspot generated assembly code. While still useful, the disassembler plugin referenced in the post is no longer available in binary form as the Kenai project has been decommissioned. A number of references are available on how to build the… Continue reading Java 10 HotSpot Disassembly on macOS High Sierra

The Cost of Contention

Martin Thompson first reported on the cost of contention using a simple benchmark that measures the time to increment a 64-bit counter 500 million times using various strategies. Results were reported here (section 3.1) and here (Managing Contention vs. Doing Real Work). I re-implemented this benchmark here. https://gist.github.com/nikolaybotevb/bc8cc1cdfa2f7cc212a915c487771d53 The results I observed (running on Java 9… Continue reading The Cost of Contention

Cloud Storage Costs

Overview Recently I did a survey of cloud storage options and their costs. My focus was to find the cheapest, scalable storage solution that I can use with minimal cost to begin with. If you are starting a new mobile app project, without any seed funding, the best choices are still Google Cloud Datastore and… Continue reading Cloud Storage Costs

Legacy

A couple of days ago, while planning a vacation trip with my girlfriend and contemplating spending some time on Christmas Island en route back from New Zealand, I stumbled upon these photos of the hydrogen bomb explosions, which were conducted off of the island in the late 50s. Seeing these photos stirred something very deep… Continue reading Legacy

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