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coding at home

The Pursuit of Happyness

weedge / user_asset_change.redis.lua

Last active December 28, 2022 16:22

	-- author: weedge
	-- params: KEYS[1] user asset key
	-- params: KEYS[2] event msg key
	-- params: ARGV[1] incr asset num eg:1,-1
	-- params: ARGV[2] user asset key ttl
	-- params: ARGV[3] event msg key ttl
	-- return 1:操作成功, 0:无操作，-1:缓存资产不存在，-2:资产不足，
	-- debug:
	-- redis-cli --ldb --eval user_asset_change.redis.lua I.asset.{100} M.asset.{100}.`ksuid` , 100 86400 86400
	-- redis-cli -c -p 26383 --ldb --eval user_asset_change.redis.lua I.asset.{100} M.asset.{100}.`ksuid` , 100 86400 86400

weedge / user_asset_change_tx_rmq_producer.go

Last active December 31, 2022 03:42

weedge / user_asset_change_tx_rmq_consumer.go

Last active December 9, 2022 13:00

	package main

	import (
	"context"
	"log"
	"os"
	"os/signal"
	"syscall"

	"github.com/apache/rocketmq-client-go/v2"

weedge / goland-user-asset-tx-polardb-x-demo.sql

Created December 17, 2022 18:03

	show engines;
	show databases;
	show variables like "%partition%" ;
	SHOW NODE;

	drop database pay;
	create database pay PARTITION_MODE=partitioning;
	SHOW CREATE DATABASE pay;

	use pay;

weedge / goland-user-asset-tx-tidb-demo.sql

Created December 17, 2022 18:04

	show engines;
	show databases;
	drop database pay;
	create database pay ;
	use pay;
	show tables;
	drop table `pay`.`user_asset`;
	CREATE TABLE `user_asset`
	(
	`userId` bigint unsigned NOT NULL DEFAULT '0',

weedge / Makefile

Created August 8, 2023 15:47 — forked from itamarhaber/Makefile

Module development environment walkthrough

	SHOBJ_CFLAGS ?= -fno-common -g -ggdb
	SHOBJ_LDFLAGS ?= -shared -Bsymbolic
	CFLAGS = -Wall -g -fPIC -lc -lm -Og -std=gnu99
	CC=gcc

	all: example.so

	example.so: example.o
	$(LD) -o $@ example.o $(SHOBJ_LDFLAGS) $(LIBS) -lc

weedge / Makefile

Created September 1, 2023 08:37 — forked from kwk/Makefile

Compiling with Address Sanitizer (ASAN) with CLANG and with GCC-4.8

	.PHONY: using-gcc using-gcc-static using-clang

	using-gcc:
	g++-4.8 -o main-gcc -lasan -O -g -fsanitize=address -fno-omit-frame-pointer main.cpp && \
	ASAN_OPTIONS=symbolize=1 ASAN_SYMBOLIZER_PATH=$(shell which llvm-symbolizer) ./main-gcc

	using-gcc-static:
	g++-4.8 -o main-gcc-static -static-libstdc++ -static-libasan -O -g -fsanitize=address -fno-omit-frame-pointer main.cpp && \
	ASAN_OPTIONS=symbolize=1 ASAN_SYMBOLIZER_PATH=$(shell which llvm-symbolizer) ./main-gcc-static

weedge / l2sqr_functions.cpp

Created October 23, 2023 05:17 — forked from matsui528/l2sqr_functions.cpp

Runtime evaluation for squared Euclidean distances with SSE, AVX, AVX512 implementations

	#include <iostream>
	#include <random>
	#include <chrono>
	#include <x86intrin.h>
	#include <cassert>

	// Runtime evaluation for squared Eucliden distance functions
	// - fvec_L2_sqr_ref: naive reference impl from Faiss
	// - fvec_L2_sqr_sse: SSE impl from Faiss
	// - fvec_L2_sqr_avx: AVX impl from Faiss

weedge / bitonic_sort.cu

Created October 25, 2023 02:57 — forked from mre/bitonic_sort.cu

Bitonic Sort on CUDA. On a quick benchmark it was 10x faster than the CPU version.

	/*
	* Parallel bitonic sort using CUDA.
	* Compile with
	* nvcc -arch=sm_11 bitonic_sort.cu
	* Based on http://www.tools-of-computing.com/tc/CS/Sorts/bitonic_sort.htm
	* License: BSD 3
	*/

	#include <stdlib.h>
	#include <stdio.h>

weedge / nvvp.md

Created November 2, 2023 03:16 — forked from sonots/nvvp.md

How to use NVIDIA profiler

Usually, located at /usr/local/cuda/bin

Non-Visual Profiler

$ nvprof python train_mnist.py

I prefer to use --print-gpu-trace.