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New posts in performance

why Spark is not distributing jobs to all executors, but to only one executer?

MySQL (id >= N AND col2 IS NULL) query unexpectedly slow for large N

mysql performance

IOS - Best practice to handle large number of images (Performance + Size on disk)

ios xcode image performance size

C Disk I/O - write after read at the same offset of a file will make read throughput very low

Open WPF window is slow due to layout affecting

c# wpf performance xaml layout

php performance issue in while loop

php performance while-loop

Why does Excel VBA run significantly faster when Outlook is closed?

performance vba excel outlook

Profiling Swift with Instruments, what exactly is _swift_retain_?

bulk.find.update() vs update.collection(multi=true) in mongo

Speed test between size units: rem, em and px

Ring Allocator For Lockfree Update of Member Variable?

Is there any real benefit using crosswalk for Android 4.4 & above?

Difference between CTE, Temp Table and Table Variable in MSSQL

How to render React components only once on startup?

React much slower on Firefox than Chrome?

performance firefox flexbox

Shouldn't be 3x3 convolution much faster on GPU (OpenCL)

Theano switch row-wise efficiently

php-fpm7.1 mmap/munmap (very) slow performance on virtualized systems (hugepage)

Postgresql index seq scan 100 million rows

Why is the same function with a different integer parameter size faster?

performance rust