osgx

osgx has asked 179 questions and find answers to 476 problems.

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About

Linux programmer, interested in compilers (with theory and standard-compliance), cryptography, OS and microelectronics design

Working deeply with compilers, standard-compliance and OS libraries.

osgx questions

C++ STL: will c_str() be changed when creating const copy of std::string?
linux's /dev/urandom forward prediction
Sources of latency in sending-receiving tcp/udp packets in linux
sendfile() usage on two mmaped files (linux)
Signalling NaN was corrupted when returning from x86 function (flds/fstps of x87)
llvm clang 2.6: "not using the clang compiler for C++ inputs "
Change JVM JIT Options at runtime
Enable mtrace (MALLOC_TRACE) for binary program
Runtime cpu detection in dynamic linker (ld.so)
TMS320C64x Quick start reference for programmers

osgx answers

What sync primitives can I use with clone(2) (C/C++)?
perf not resolve symbol after docker container stop
How to use PERL XS to call a C++ function that takes in a STL Vector
Can malloc_trim() release memory from the middle of the heap?
How to pass an integer as input parameter in asm custom instruction in?
How to tell netbeans information on pthread_barrier_t
How can you get frame-pointer perf call stacks/flamegraphs involving the C++ standard library?
JIT compilation and DEP
What is the main difference between RSS, RPS and RFS?
Launching perf from bash script with CAP_SYS_ADMIN and CAP_IPC_LOCK capabilities