The hottest Performance Substack posts right now

And their main takeaways
Category
Top Finance Topics
HackerPulse Dispatch 8 implied HN points 07 Jan 25
  1. Static search trees are great for quick data searching. They are built for data that doesn't change much, making them much faster than regular search methods.
  2. AI can't build strong engineering teams on its own. Engineers need to take action and push for programs that help train and mentor new hires.
  3. SQLite is a super popular database used by millions, but it's managed by just a small team. Its simplicity and reliability make it a favorite for many applications.
Lessons 255 implied HN points 20 Jul 23
  1. Designing a startup's compensation philosophy is crucial when the company reaches around 50 employees.
  2. Compensation decisions impact people's lives, perpetuate bias, and affect a startup's financials.
  3. Key principles for designing a compensation philosophy include market-based pay, formulaic approach, and pay for performance.
Eventually Consistent 39 implied HN points 02 Jun 24
  1. Transaction latency is crucial in datacenters, affected by shared resource contention that causes waiting, the main performance bottleneck.
  2. Coroutines provide concurrency without synchronization complexity, unlike threads which need careful synchronization for shared data access to avoid conflicts.
  3. Each thread maintains its own call stack, recording function calls and variables, enabling independent execution and function history maintenance.
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Voohy Leadership Insights 2 HN points 15 Sep 24
  1. Teams work best when all members collaborate to solve problems together. It's important for everyone to see problems as shared challenges.
  2. Recognizing and valuing each team member's contributions helps build trust and improves teamwork. This makes it easier to work through complex tasks.
  3. Diverse skills within a team can lead to great ideas, but can also cause confusion. Leaders should encourage collaboration and shared problem-solving to bridge these gaps.
Low Latency Trading Insights 117 implied HN points 11 Feb 24
  1. The requirements for a rate-limiting algorithm include precise event counting, fast performance especially during market turbulence, and minimal impact on cache memory.
  2. Creating a rate-limiting algorithm using a multimap for counting events has inefficiencies; a better solution involves enhancements for optimal performance.
  3. A bounded approximation approach for rate limiting achieves memory efficiency by assuming a minimum time precision and implementing a clever advance-and-clear mechanism.
Dada Drummer Almanach 264 implied HN points 13 Feb 24
  1. Musicians need to adapt to different performance spaces and adjust their habits accordingly, even if they were formed early in their careers.
  2. Performers should listen to the space they're in and consider how their music is being experienced by the audience, especially in various venue settings.
  3. Music is not just about playing notes; it's about creating relationships and connections with the audience and other musicians through listening and gestures.
The Analog Family 139 implied HN points 13 Dec 23
  1. Performing Handel's 'Messiah' in a barn creates a unique and memorable experience. The mix of classical music with the sounds of animals adds a fun twist to the concert.
  2. The Christkindl Market features traditional German holiday foods and crafts, making it a charming place for families to enjoy Christmas together. It's a community-focused event that feels authentic and uncommercialized.
  3. Despite the chilly conditions and rustic setting, the atmosphere of the barn concert is magical. The audience leaves feeling uplifted and connected to the holiday spirit.
Daniel’s Substack 3 HN points 03 Sep 24
  1. AI can write a lot of code quickly, but it often makes mistakes. So, it's not ready to fully replace human programmers yet.
  2. Converting Python code to C++ can make it run much faster, especially for tasks that involve heavy string processing.
  3. While AI can assist in code conversion, current tools have limitations and sometimes struggle with complex functions.
TheSequence 35 implied HN points 20 Jan 25
  1. The webinar will showcase how Marsh McLennan used AI agents to improve their business, saving a lot of time and effort for their staff.
  2. Participants will learn about different ways to enhance AI performance and how to achieve better accuracy with specialized models.
  3. The session will also include tips on scaling AI solutions and a live demonstration of the tools in action.
Weekly Wisdom 179 implied HN points 16 Mar 23
  1. The author recounts experiencing a state of effortless mastery while playing jazz piano after a series of events including alcohol consumption and the unexpected presence of their father, creating a magical performance.
  2. Effortless mastery in music, as discussed in the book 'Effortless Mastery' by Kenny Werner, involves overcoming self-imposed limitations and negative thinking through affirmations and a love for the process.
  3. The author shares affirmations such as 'I am a master' and 'Music is easy' that counter self-criticism with positive beliefs, highlighting the importance of mindset in achieving mastery and enjoying the process.
Japan Optimist 176 implied HN points 25 Feb 23
  1. Japanese Salaryman CEOs have shown extraordinary resilience and competence in delivering corporate economic value and profitability.
  2. Data shows that Japanese Salaryman CEOs have outperformed Wall Street Superstar CEOs in terms of profit increase without relying on rising sales.
  3. While Japanese Salaryman CEOs have significantly increased profits, their compensation has only risen modestly, maintaining a close link between performance and pay.
Neuro Athletics 10 implied HN points 09 Dec 24
  1. Respiratory rate is an important measure of how stressed or ready someone is. Watching this number can help you understand your body's condition in real-time.
  2. Research shows that breathing more than 14-16 times a minute can mean you're more likely to feel stressed. Just one extra breath can increase stress risk by 25%.
  3. High performers can use respiratory tracking to prevent burnout and improve recovery. Paying attention to your breath might give you an edge in performing better.
Ben’s Blog 🏉 🧠🧑‍💻 36 implied HN points 15 Jan 25
  1. The All Blacks learned to handle pressure better after being called 'chokers'. They realized that being physically fit wasn't enough to win under stress.
  2. They brought in a psychologist who taught them to focus on their process and how to reset themselves during games. This helped them stay calm and perform better.
  3. By changing their mindset and improving their mental game, the All Blacks became two-time World Cup champions and showed the importance of mental strength in sports.
Computer Ads from the Past 256 implied HN points 20 Nov 23
  1. Orange Micro's OrangePC was a hardware solution for Mac users to run DOS and Windows applications.
  2. OrangePC provided a Wintel-compatible computer with features like Pentium processors, sound emulation, and VGA support.
  3. Compared to software emulators like SoftPC, OrangePC offered faster performance and better integration between Mac and PC applications.
Tapa’s Substack 59 implied HN points 15 Mar 24
  1. Nvidia's GPUs are so good that even if competitors offered their chips for free, it's still not enough to beat Nvidia's performance. Overall, focusing only on GPU prices misses the bigger picture of total ownership costs.
  2. Networking costs make up a large part of the expenses when using AI chip clusters. Even if you find a cheaper GPU, the added networking costs can make it more expensive overall.
  3. AI chip startups need to consider the entire system's costs, not just the price of the chips themselves. If they don't, they may struggle to compete with Nvidia's established products.
Funny How: Letters to a Young Comedian 78 implied HN points 31 Jan 24
  1. Outthinking your audience is a part of the magic trick in comedy performances.
  2. Being allowed to perform in front of quality audiences is the real challenge in standup comedy.
  3. Having a sense of humor and being able to laugh at oneself is crucial for lasting success, according to Gloria Steinem.
The Nature of Training 19 implied HN points 16 Jun 24
  1. Feeling frustrated and disappointed from traditional sports science education led to a journey of self-discovery and obsession with Complex Systems.
  2. Transitioning from competitive cycling to coaching unlocked new patterns and aspects influencing performance, beyond traditional theory.
  3. Discovering the Science of Complexity provided a new lens to address training problems and integrate diverse passions into a coherent field.
The Ruffian 270 implied HN points 09 Sep 23
  1. Leonard Bernstein and Glenn Gould were unique artists who embraced new ideas and media.
  2. Bernstein and Gould had a productive disagreement over the interpretation of Brahms' first Piano Concerto.
  3. Bernstein's handling of the crisis with Gould shows the value of open discussions and learning from disagreements.
Austin Kleon 739 implied HN points 25 Jan 22
  1. Creating a talk often starts with small ideas that come together over time. It's okay to mix old and new material based on the audience and theme.
  2. Imagination and creativity are not the same thing. Imagination is about thinking of things beyond what's in front of you, while creativity is turning those thoughts into something new.
  3. Some people have a condition called aphantasia, meaning they can't visualize images in their minds. This doesn't stop them from being creative and can even help their thought processes.
Technology Made Simple 119 implied HN points 26 Jul 23
  1. Branchless programming is a technique that minimizes the use of branches in code to avoid performance penalties.
  2. Branchless programming can offer optimization benefits, but its complexity can outweigh the performance gains and make code maintenance challenging.
  3. Simpler code is often better than overly complex code, and branchless programming may not be suitable for most developers despite its potential performance improvements.
Painful Signs, Or, Joel's Substack 59 implied HN points 05 Feb 24
  1. Book 17 of the Iliad offers important details and character development, adding depth to the narrative beyond just advancing the plot.
  2. The discussion of the Epic Cycle and Neoanalysis highlights the complexities of understanding how different narratives influence each other in ancient storytelling traditions.
  3. The rescue of Achilles' body in Book 17 showcases the richness and depth of oral traditions, and raises questions about the relationships between various epic traditions.
Modern Value Investing 117 implied HN points 01 Aug 23
  1. Portfolio is up 150% YTD, driven by investments in Meta Platforms and highly shorted stocks like Upstart and Opendoor.
  2. Author is getting more cautious due to rising inflation and interest rates, and has diversified investments.
  3. Author has built a 7% position in long-term treasuries as a partial hedge against market turmoil.
Scott Bell's newsletter 98 implied HN points 25 Oct 23
  1. Michigan's 49-0 win over Michigan State was the biggest blowout in the rivalry in 75 years
  2. Michigan achieved this impressive win with key players taking limited roles in the second half
  3. The game marked Michigan's 23rd consecutive regular season win, the Big Ten's third longest streak ever
🔮 Crafting Tech Teams 99 implied HN points 28 Sep 23
  1. Measuring team performance with KPIs can be chaotic and fascinating, revealing patterns and challenges in the process.
  2. Individual contributions can influence team behavior towards gaming KPIs, leading to increased numbers but decreased satisfaction.
  3. Balancing the use of KPIs in team management is crucial to prevent negative impacts on client relationships, employee satisfaction, and business outcomes.