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Java · 28 watchers
shadowsocks-vertx
Java port of shadowsocks with vertx.
C · 16 watchers
huffman-codec
Very simple 8 bits huffman encoder/decoder with pure C.
Python · 10 watchers
Claymore-NoFee-Proxy
C · 9 watchers
osask-linux
C · 3 watchers
simple-v4l2-cam
Tiny camera application based on v4l2.
C++ · 2 watchers
TGRenderer
Simple software 3D renderer.
C++ · 1 watchers
Code
1 watchers
examples
Examples for the OpenGL Red Book
Python · 1 watchers
photomosaic
Create photomosaic with many images
Vim Script · 1 watchers
vim-config
Vim config and plugin files
C · 0 watchers
android_native_demo_code
0 watchers
Bestoa
C · 0 watchers
DungeonRush
👾🐍 A game inspired by Snake, written in pure C with SDL
C · 0 watchers
fbtest
Simple test program for display driver development
Go · 0 watchers
go-brainfuck
Go · 0 watchers
go-common
哔哩哔哩 bilibili 网站后台工程 源码
C · 0 watchers
helios-forge
F# · 0 watchers
Learning-Picotiny
0 watchers
LicheeTang20K_DDR_Test
The DDR Test Firmware for LicheeTang20K.
Python · 0 watchers
litex-ecp5-demo
Python · 0 watchers
PeriodicPusher
Periodic push message with instapush to your devices.
Verilog · 0 watchers
psram-tang-nano-9k
An open source PSRAM/HyperRAM controller for Sipeed Tang Nano 9K / Gowin GW1NR-LV9QN88PC6/15 FPGA
Python · 0 watchers
py-brainfuck
Tiny brainfuck interpreter with Python3
Cython · 0 watchers
PyPrime
Calculate prime numbers use bitmap with Cython, very fast.
Python · 0 watchers
raytrace
Python raytracer
Python · 0 watchers
render-py
A software 3D renderer written in Python. (Purely educational)
C · 0 watchers
rtthread-nano
This fork of RT-Thread Nano supports picorv32 soft core.
Rust · 0 watchers
rust-brainfuck
Vim script · 0 watchers
SearchComplete
Tab completion of words inside of a search ('/')
0 watchers
simple-ogl-demo
C · 0 watchers
SortingDemo
F# · 0 watchers
TangPrimer-20K-example
TangPrimer-20K-example project
Verilog · 0 watchers
TangPrimer20K-DDR3_MC_PHY_1vs2
0 watchers
tinyraytracer
A brief computer graphics / rendering course
Python · 0 watchers
wechat-anti-revoke
微信防止撤回---自动把被撤回的消息发到“文件传输助手”
besto

besto

V2EX member #71788, joined on 2014-08-24 01:18:21 +08:00
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besto's recent replies
Jul 27, 2025
Replied to a topic by carson8899 Solana 兄弟们,补一下空投
37vFVz2k68nyT62tknBp2w2BWHnpBTUZKnuCiuM36CTZ
Apr 27, 2025
Replied to a topic by FranzKafka95 程序员 垃圾公司,五天假默认加班两天
你不能一边发招聘广告一边 diss 啊
Apr 8, 2025
Replied to a topic by cocong 投资 这周应该会反弹回来并再创新高吧
底层逻辑已经不存在了,现在就是要干漂亮国,别的先放放。另外任何时候都不要试图去 timing the market 。
Apr 1, 2025
Replied to a topic by FranzKafka95 加密货币 ETH 现在还值不值得买
中线你有炒 B 水平可以拿着,长线 BTC ,不要考虑 ETH 。
Mar 11, 2025
Replied to a topic by Maxbee 香港 香港开卡还是很快的呀
@alittlehj 确实有毒,2 个字在线很容易出审核,拿汇丰举例,最大的麻烦是,如果当场过了就可以用网银,如果是需要 5 天审核的过了,即使第二天收到 say hello ,也没法用网银,如果你在香港,还是可以去柜台搞定网银,不然只能等邮寄了密码才能用。。。
Mar 10, 2025
Replied to a topic by Maxbee 香港 香港开卡还是很快的呀
汇丰为啥不在线办(名字 2 个字的除外)...
Feb 11, 2025
Replied to a topic by ShioWSX 程序员 纯 C 的开发岗位,面试也要刷题吗?
@sir283 当然有,嵌入式可不是只有 ARM / Linux 还有更裸的,甚至 romcode 最终要进芯片内部的。
Jan 24, 2025
Replied to a topic by tt83 硬件 计算机是如何保证计算结果的正确性
多个方面:
1. 所谓 0 1 是数字电路,简化后的结果,底层还是要有波动的,比如电源 5V ,并不是 0V 才是 0 ,5V 才是 1 ,这中间就有了很大容错空间,如果你做 FPGA 就能接触到 setup hold removal 时序,如果不满足,就可能出错,而这个时序和频率有关系,这也就是为啥超频可能跑飞的原因,因为确实很多地方算错了;
2. 有各种容错算法,比如上面提到 ECC / CRC 校验等,当然这里大多数是对内存或是传输过程中错误;
3.也就是 15L 说的,这里有个专业名词叫 lockstep ,简单点就是 2CPU 一起算,结果一样才能出来,不行重算,有安全要求的芯片中很常见,比如 720AE 的,就是锁步 CPU ,甚至还有类似的 GPU (我知道的,IMG 公司的 BXS 这种);


最后一条:
算错是非常常见的事情,芯片出来有良品率一说,也就是出场芯片有很多都是坏的,它就会算错,这时候有 ATE 验证,甚至还有 SLT 验证,就是要工厂通过特定 0/1 特征流输入给芯片,看芯片能否返回正确值,这也就是 12L 说的验证;

@icyalala
@mobpsycho100
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