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DZone
FEBRUARY 27, 2021
As a Software Engineer, the mind is trained to seek optimizations in every aspect of development and ooze out every bit of available CPU Resource to deliver a performing application. One, by researching on the Internet; Two, by developing small programs and benchmarking. C++ SOLUTION (Will Be Uploaded Later).
Percona
NOVEMBER 3, 2023
PostgreSQL Cluster One coordinator node citus-coord-01 Three worker nodes citus1 citus2 citus3 Hardware AWS Instance Ubuntu Server 20.04, SSD volume type 64-bit (x86) c5.xlarge And now, execute the benchmark: -- execute the following on the coordinator node pgbench -c 20 -j 3 -T 60 -P 3 pgbench The results are not pretty.
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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. uint64_t c = UINT64_C ( 0xFFFFFFFFFFFFFFFF ) / d + 1 ; // fastmod computes (n mod d) given precomputed c.
HammerDB
OCTOBER 18, 2019
HammerDB doesn’t publish competitive database benchmarks, instead we always encourage people to be better informed by running their own. ” Usually when benchmark results are surprising it is a major hint that something could be misconfigured and that certainly seems the case here, so what could it be?
ACM Sigarch
OCTOBER 12, 2020
The focus of most published research in architecture is on applications implemented in high-performance, “ close-to-the-metal” languages essentially developed before computers got fast. These, let’s call them metal languages , include FORTRAN (introduced in 1957), C (1972), and C++ (1985). As Leiserson et al.
HammerDB
JUNE 27, 2022
HammerDB is a software application for database benchmarking. It enables the user to measure database performance and make comparative judgements about database hardware and software. Why HammerDB was developed. HammerDB development. Usage and industry adoption. Derived Workloads.
HammerDB
JANUARY 5, 2019
Some opinions claim that “Benchmarks are meaningless”, “benchmarks are irrelevant” or “benchmarks are nothing like your real applications” However for others “Benchmarks matter,” as they “account for the processing architecture and speed, memory, storage subsystems and the database engine.”
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