bcse

neomatrix369

Everything I Ever Learned About JVM Performance Tuning @Twitter- by Attila Szegedi

http://www.infoq.com/presentations/JVM-Performance-Tuning-twitter (video & slides)

9 Fallacies of Java Performance - by Ben Evans

http://www.infoq.com/articles/9_Fallacies_Java_Performance (video & slides)

Visualizing Java GC - by Ben Evans

http://www.infoq.com/presentations/Visualizing-Java-GC (video & slides)

Java Garbage Collection Distilled by Martin Thompson

Neo23x0

This Gist has been transfered into a Github Repo. You'll find the most recent version here.

YARA Performance Guidelines

When creating your rules for YARA keep in mind the following guidelines in order to get the best performance from them. This guide is based on ideas and recommendations by Victor M. Alvarez and WXS.

• Revision 1.4, October 2020, applies to all YARA versions higher than 3.7

rkitover

[ 89%] Built target not
[ 89%] Built target yaml-bench
[ 89%] Built target gtest
[ 89%] Built target gtest_main
[ 89%] Built target LTO_exports
[ 90%] Linking CXX shared library ../../lib/libLTO.so
../../lib/libLLVMScalarOpts.a: could not read symbols: Memory exhausted
collect2: error: ld returned 1 exit status
*** Error 1 in . (tools/lto/CMakeFiles/LTO.dir/build.make:255 'lib/libLTO.so')
*** Error 1 in . (CMakeFiles/Makefile2:12494 'tools/lto/CMakeFiles/LTO.dir/all')

Cr4sh

void TestCopy()
{
    BOOL                cond = FALSE;
    IFileOperation     *FileOperation1 = NULL;
    IShellItem         *isrc = NULL, *idst = NULL;
    BIND_OPTS3          bop;
    SHELLEXECUTEINFOW   shexec;
    HRESULT             r;

    do {

nitrocode

#!/usr/bin/env python

def getDictValueFromPath(listKeys, jsonData):
    """Retrieve value from a dictionary using a list of keys.

    >>> mydict = {
        'a': {
            'b': {
                'c': '1'
            }

trietptm

###########################################################################
# Rotating bits (tested with Python 2.7)
 
from __future__ import print_function   # PEP 3105
 
# max bits > 0 == width of the value in bits (e.g., int_16 -> 16)
 
# Rotate left: 0b1001 --> 0b0011
rol = lambda val, r_bits, max_bits: \
    (val << r_bits%max_bits) & (2**max_bits-1) | \

williballenthin

'''
IDA plugin to display the calls and strings referenced by a function as hints.

Installation: put this file in your %IDADIR%/plugins/ directory.
Author: Willi Ballenthin <william.ballenthin@fireeye.com>
Licence: Apache 2.0
'''
import idc
import idaapi
import idautils

worawit

# This file has no update anymore. Please see https://github.com/worawit/MS17-010
import sys
from struct import pack

if len(sys.argv) < 4:
	print('Usage: {} sc_x86 sc_x64 sc_out'.format(sys.argv[0]))
	sys.exit()

sc_x86 = open(sys.argv[1], 'rb').read()
sc_x64 = open(sys.argv[2], 'rb').read()

nategraf

//**********************************************************************`
//* This is an include file generated by Message Compiler.             *`
//*                                                                    *`
//* Copyright (c) Microsoft Corporation. All Rights Reserved.          *`
//**********************************************************************`
#pragma once
#include <wmistr.h>
#include <evntrace.h>
#include "evntprov.h"
//