Easton Man's Channel

Firefox Profiler⁩ — ⁨Firefox⁩ 性能分析网页应用程序

支持导入并分析多种性能筛查器所记录的分析数据：
- Firefox profiler
- Linux perf
- Android SimplePerf
- Chrome 性能面板
- Android Studio

支持直接导入以 dhat 或 Google Trace Event 格式保存的性能分析数据。

https://profiler.firefox.com/

00:40 · Jun 3, 2023 · Sat

https://profiler.firefox.com/

19:10 · Jun 1, 2023 · Thu

https://old.reddit.com/r/sysadmin/comments/13wmowy/psa_epyc_7002_cpus_may_hang_after_1042_days_of/

From the sysadmin community on Reddit

Explore this post and more from the sysadmin community

14:02 · May 31, 2023 · Wed

Random Number Generator Recommendations for Applications https://peteroupc.github.io/random.html

peteroupc.github.io

Random Number Generator Recommendations for Applications

14:58 · May 30, 2023 · Tue

#今日生草

https://www.ietf.org/rfc/rfc2324.txt

Hyper Text Coffee Pot Control Protocol (HTCPCP/1.0)

Credit: @cubercsl

今日生草

12:48 · May 30, 2023 · Tue

最近老黄的256卡机器宣传E级算力，有几个事实希望大家了解

1. 老黄这个E级是算的INT8理论峰值性能（256x4P per card)
2. top500超算的评估性能是HPL，是FP64的实际性能，大约是理论性能的60-90%不等
3. 老黄的FP64理论峰值性能是256 x 34T = 8PFlops+
4. 目前top500上的E级超算只有美国一家，但中国也是有E级超算的，投入使用时间和美国的差不多甚至更早。（这个不信的话，SC20还是SC21有位chair的ppt可以看）

老黄这个目标市场还是有钱的ai公司，和超算的目标领域不太一样，没有太大的对比意义，无需给大家带来一种“超算怎么搞这么大规模才这点算力的”印象

19:05 · May 29, 2023 · Mon

Easton Man's Channel

#JamesAslan #龙芯 https://zhuanlan.zhihu.com/p/633012156

3 BrU 是否有点太夸张了？
ARM去掉了mop Cache，这个burst的供指从哪里来？

19:03 · May 29, 2023 · Mon

#JamesAslan #龙芯
https://zhuanlan.zhihu.com/p/633012156

知乎专栏

初评Arm Cortex X4、A720、A520

一年一度的techday上arm如约而至发布了全新的一代Cortex阵容，我们不谈性能、功耗数据，毕竟实机实测以前这些数据可操作空间太大，Arm在这方面的传统也不好。我们聚焦微结构的变动，只列出但不复述ppt，而是分析、…

JamesAslan 龙芯

12:02 · May 29, 2023 · Mon

Easton Man's Channel

Matt Keeter The monitoring task had failed 100 consecutive times. Your subscription to the RSS feed has been deactivated. To reactivate it, please use the /activate_subs command. ERROR: Network error (ClientConnectorError)

乐，他证书过期了

07:45 · May 29, 2023 · Mon

Matt Keeter
The monitoring task had failed 100 consecutive times. Your subscription to the RSS feed has been deactivated.
To reactivate it, please use the /activate_subs command.
ERROR: Network error (ClientConnectorError)

16:12 · May 28, 2023 · Sun

Chips and Cheese
ARM’s Cortex A53: Tiny But Important
#ChipAndCheese

Telegraph | source
(author: clamchowder)

Telegraph

ARM’s Cortex A53: Tiny But Important

Tech enthusiasts probably know ARM as a company that develops reasonably performant CPU architectures with a focus on power efficiency. Product lines like the Cortex A7xx and Cortex X series use well balanced, moderately sized out-of-order execution engines…

ChipAndCheese

14:36 · May 28, 2023 · Sun