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dim / atomutex_test.go
Created February 28, 2017 16:49
Benchmark: sync.RWMutex vs atomic.Value
/*
Benchmark_RWMutex-4 100000000 18.1 ns/op
Benchmark_Atomic-4 200000000 8.01 ns/op
Benchmark_RWMutex_parallel-4 30000000 46.7 ns/op
Benchmark_Atomic_parallel-4 1000000000 2.61 ns/op
*/
package main
[
{
"name": "Afghanistan",
"alpha2": "AF",
"alpha3": "AFG",
"numeric": 4
},
{
"name": "Albania",
"alpha2": "AL",
@dim
dim / Makefile
Last active November 25, 2019 13:15
Go(lang) non-cryptographic hash benchmark
default: bench
bench:
go test -run=NONE -bench=. -benchmem
@dim
dim / s2-cell-sizes.md
Created May 20, 2019 12:46
S2 Geometry Cell Sizes
export function sum(
forSomeReasonThisIsAVeryLongVariableName1: number,
forSomeReasonThisIsAVeryLongVariableName2: number,
): number {
return (
forSomeReasonThisIsAVeryLongVariableName1 +
forSomeReasonThisIsAVeryLongVariableName2
);
}
# "Performance Scalability of a Multi-Core Web Server", Nov 2007
# Bryan Veal and Annie Foong, Intel Corporation, Page 4/10
fs.file-max = 5000000
net.core.netdev_max_backlog = 400000
net.core.optmem_max = 10000000
net.core.rmem_default = 10000000
net.core.rmem_max = 10000000
net.core.somaxconn = 100000
net.core.wmem_default = 10000000
net.core.wmem_max = 10000000
{
"IAB1": "Arts & Entertainment",
"IAB1-1": "Books & Literature",
"IAB1-2": "Celebrity Fan/Gossip",
"IAB1-3": "Fine Art",
"IAB1-4": "Humor",
"IAB1-5": "Movies",
"IAB1-6": "Music",
"IAB1-7": "Television",
"IAB2": "Automotive",
@dim
dim / redis-bitpos-benchmark.rb
Created October 1, 2013 08:10
Integration benchmark for redis BITPOS command
# Integration benchmark for redis BITPOS command
require 'redis'
require 'benchmark'
random = Random.new(1)
redis = Redis.new timeout: 60
bitlen = 10_000
tmpkey = "__rb__bs__"
server = File.expand_path('../src/redis-server', __FILE__)
/* mtest8.c - memory-mapped database tester/toy */
/*
* Copyright 2013 Dimitrij Denissenko, Black Square Media
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted only as authorized by the OpenLDAP
* Public License.
*
* A copy of this license is available in the file LICENSE in the
#!/bin/bash
if [ "$(id -u)" != "0" ]; then
echo "Sorry, please run with sudo."
exit 1
fi
echo "deb http://binaries.erlang-solutions.com/debian `lsb_release -c | cut -f2` contrib" | tee /etc/apt/sources.list.d/esl-erlang.list
wget -O - http://binaries.erlang-solutions.com/debian/erlang_solutions.asc | apt-key add -
aptitude update