Brendan Gregg

MARCH 16, 2024

2005-2023: The winter of broken profilers However, the change was then applied to x86-64 (64-bit) as well, which had sixteen registers and didn't benefit so much from a seventeenth. For a while I was promoting the use of Canonical's libc6-prof, which was libc6 with frame pointers. The actual overhead depends on your workload.

Java 145

Java Cache Google Hardware 145

Daniel Lemire

FEBRUARY 8, 2019

The division by a power of two ( / (2 N )) can be implemented as a right shift if we are working with unsigned integers, which compiles to single instruction: that is possible because the underlying hardware uses a base 2. The computation of the remainder is nice, but I really like better the divisibility test. Can we do better?

C++ 279

C++ Benchmarking Hardware Testing 279

SQL Server According to Bob

JANUARY 11, 2020

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Servers 40

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