Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Note that Ubuntu also has a frame to show entry into vDSO (virtual dynamic shared object). I also shared setting the clocksource in my talks and in my 2015 [Linux tunables] post. This was much worse many years ago on Xen virtual machine guests.

Speed 103

Speed Java AWS Virtualization 103

Brendan Gregg

MARCH 16, 2024

2015-2020: Overhead As part of production rollout I did many performance overhead tests, which I've described publicly before: The overhead of adding frame pointers to everything (libc and Java) was usually less than 1%, with one exception of 10%. The actual overhead depends on your workload.

Java 137

Java Cache Google Hardware 137

Smashing Magazine

JUNE 3, 2022

And today, we still have type in a digital context, but it travels through cables, wirelessly on smartphones, and in virtual reality glasses in 3D. Later on, in the 1980s, type started to be used in a digital context in computers. There are many different classifications of typefaces.

Performance 123

Performance Design Best Practices Testing 123

Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Note that Ubuntu also has a frame to show entry into vDSO (virtual dynamic shared object). I also shared setting the clocksource in my talks and in my 2015 Linux tunables post. This was much worse many years ago on Xen virtual machine guests.

Speed 52

Speed Java AWS Virtualization 52

Brendan Gregg

SEPTEMBER 25, 2021

CLI tools The Cassandra systems were EC2 virtual machine (Xen) instances. Note that Ubuntu also has a frame to show entry into vDSO (virtual dynamic shared object). I also shared setting the clocksource in my talks and in my 2015 [Linux tunables] post. This was much worse many years ago on Xen virtual machine guests.

Speed 40

Speed Java AWS Virtualization 40

Smashing Magazine

JANUARY 11, 2021

compared to early 2015. Geekbench CPU performance benchmarks for the highest selling smartphones globally in 2019. In 2015, Google introduced Brotli , a new open-source lossless data format, which is now supported in all modern browsers. Faster devices on faster networks have virtually no stalls. Assets Optimizations.

Performance 145

Performance Cache Media Metrics 145