Skip to content

Instantly share code, notes, and snippets.

View BMalaichik's full-sized avatar

Barys Malaichyk BMalaichik

View GitHub Profile
@eshelman
eshelman / latency.txt
Last active April 21, 2024 07:13 — forked from jboner/latency.txt
HPC-oriented Latency Numbers Every Programmer Should Know
Latency Comparison Numbers
--------------------------
L1 cache reference/hit 1.5 ns 4 cycles
Floating-point add/mult/FMA operation 1.5 ns 4 cycles
L2 cache reference/hit 5 ns 12 ~ 17 cycles
Branch mispredict 6 ns 15 ~ 20 cycles
L3 cache hit (unshared cache line) 16 ns 42 cycles
L3 cache hit (shared line in another core) 25 ns 65 cycles
Mutex lock/unlock 25 ns
L3 cache hit (modified in another core) 29 ns 75 cycles
@ik5
ik5 / time_format.go
Created November 9, 2016 09:04
A full example of all possible time formats in Golang
package main
import (
"fmt"
"time"
)
func main() {
fmt.Println("Times: ")
t := time.Now()
@brennanMKE
brennanMKE / hero.ts
Last active April 1, 2024 16:16
Example of Mongoose with TypeScript and MongoDb
import * as mongoose from 'mongoose';
export let Schema = mongoose.Schema;
export let ObjectId = mongoose.Schema.Types.ObjectId;
export let Mixed = mongoose.Schema.Types.Mixed;
export interface IHeroModel extends mongoose.Document {
name: string;
power: string;
@listochkin
listochkin / node-command-line-options.txt
Created April 17, 2014 11:00
Node V8 GC-related options
--log_gc (Log heap samples on garbage collection for the hp2ps tool.)
type: bool default: false
--expose_gc (expose gc extension)
type: bool default: false
--max_new_space_size (max size of the new generation (in kBytes))
type: int default: 0
--max_old_space_size (max size of the old generation (in Mbytes))
type: int default: 0
--max_executable_size (max size of executable memory (in Mbytes))
type: int default: 0