Welcome to the Mechanical Sympathy group.  This group is for discussing how to code sympathetically to and measure the underlying stack/platform so good performance can be extracted.

Showing 1-20 of 698 topics
Why would SocketChannel be slower when sending a single msg instead of 1k msgs after proper warmup? J Crawford 4/20/17
How would you approach the problem with large data over MQ Vero K. 4/17/17
Socket buffer and rates streaming Vero K. 4/16/17
How to recompile native JDK code (C/C++) and deploy on my JVM? ( J Crawford 4/12/17
strange behaviour in a virtual environment Erik Svensson 4/11/17
Why a Java method invocation is slower when you call it somewhere else in your code? J Crawford 4/9/17
Linux futex_wait() bug... [Yes. You read that right. UPDATE to LATEST PATCHES NOW]. Gil Tene 3/18/17
New Java Web Server based on mechanical sympathy Nathan Tippy 3/16/17
Using a SEDA-like architecture to reduce icache misses Avi Kivity 3/16/17
Using JDK 9 Memory Order Modes - Doug Lea (VarHandles) Benoît Paris 3/15/17
Is it me or is the Java memory model spec poorly written? Sharath Gururaj 3/10/17
Question about SBE and DirectBuffer Wayne 3/9/17
Concurrency question. Grzegorz Gierlach 3/3/17
JVM crashed with memmap and unsafe operation for IPC Yunpeng Li 2/16/17
Anyone using NVDIMM and/or NTB (Non-Transparent Bridge) in production? Daniel Worthington-Bodart 2/16/17
System.arraycopy vs Arrays.copyOf Carl Mastrangelo 2/15/17
Transaction Logs Greg Young 2/10/17
HotSpot code cache and instruction prefetching Chris Newland 2/10/17
GNU Parallel Mani Sarkar 2/8/17
What happened to Managed Runtime Initiative? Wojciech Kudla 2/6/17
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