2005 Benchmarking Hardware 
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. We also published our benchmarks for research purposes. I make my benchmarking code available.
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. and we may have been flying close to the edge of hardware cache warmth, where adding a bit more instructions caused a big drop.
SQL Server According to Bob
JANUARY 11, 2020
As the administrator of a SQL Server 2005 installation, you will find that visibility into the SQL Server I/O subsystem has been significantly increased.
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