The hottest Performance Substack posts right now

And their main takeaways
Category
Top Finance Topics
The Common Reader 602 implied HN points 15 Jan 25
  1. Wicked King is a well-written book that combines elements of horror and suspense. It has a unique and cult-classic feel, making it stand out in its genre.
  2. Reading about Mozart's life and work revealed that he improved his music by improvising during performances. This shows how creativity can blend with skill in art.
  3. Exploring different genres and topics, like women detectives and venture capital, can broaden your understanding of literature and culture.
Rock 'n' Roll with Me 119 implied HN points 16 Apr 24
  1. The Beatles made their famous debut on the Ed Sullivan Show in 1964, capturing the attention of millions of viewers. People were excited about their music and unique style, which changed pop culture forever.
  2. Before their big show in America, the Beatles played long hours in clubs in the UK and Germany. This experience helped them become amazing performers with a wide range of songs.
  3. Paul McCartney mentioned that many of his love songs had themes of attraction and desire, even if he didn't realize it at the time. Songs like 'I Want to Hold Your Hand' became classics that people still love today.
Technology Made Simple 179 implied HN points 27 Feb 24
  1. Memory pools are a way to pre-allocate and reuse memory blocks in software, which can significantly enhance performance.
  2. Benefits of memory pools include reduced fragmentation, quick memory management, and improved performance in programs with frequent memory allocations.
  3. Drawbacks of memory pools include fixed-size blocks, overhead in management, and potential for memory exhaustion if not carefully managed.
Get a weekly roundup of the best Substack posts, by hacker news affinity:
The Nelson George Mixtape 196 implied HN points 11 Feb 24
  1. Usher, as a true soul singer, stands out from current R&B singers who heavily use autotune and rap-singing.
  2. Usher's confidence and immense stage presence make his performances, like his Vegas residency show, epic and engaging for the audience.
  3. Usher's upcoming album release and arena tour mark a significant moment in his four-decade career, with expectations of him integrating past performance traditions like never before.
Modern Value Investing 255 implied HN points 29 Dec 23
  1. Achieved a total return of 174% in 2023, recovering from a 74% loss in 2022.
  2. Recovering from drawdowns over 50% can be challenging, requiring high returns.
  3. 2023 success attributed to active trading, contrarian views, and seizing opportunities.
Art’s Substack 79 implied HN points 14 May 24
  1. Porting a system from Python to Rust led to a significant cost reduction of 1400 times, increased pipeline success rate from 85% to 99.88%, and decreased data availability time from 10 hours to less than 15 minutes.
  2. Moving from reading everything into memory to streaming fashion and eliminating the intermediate JSON format were key improvements in the data processing system.
  3. Python's interpreted nature, dynamic typing, GIL limitations, and multiple packaging options can pose challenges in production systems, making it a less ideal choice for certain needs.
Front Row & Backstage 393 implied HN points 08 May 23
  1. Jobriath was a pioneering openly gay rocker signed to a major label in the 1970s, but faced challenges due to homophobia
  2. Influential musicians like Morrissey, Numan, and Def Leppard have been inspired by Jobriath's music and image
  3. Despite his initial hype and record deal, Jobriath's career struggled due to lack of promotion and personal struggles, leading to his untimely death
The Healthy Engineering Leader 59 implied HN points 04 Jun 24
  1. Psychological safety in teams is really important. It helps everyone feel safe to share ideas, make mistakes, and ask questions without fear.
  2. There are four stages of psychological safety: inclusion safety, learner safety, contributor safety, and challenger safety. Each stage builds on the previous one to help teams grow and work better together.
  3. Just like vitamins are essential for our health, psychological safety is essential for a healthy and effective team. When teams feel safe, they can innovate and succeed.
Front Row & Backstage 373 implied HN points 31 Jul 23
  1. Robyn Hitchcock's music defies typical pop sensibilities with clever, eccentric, and thought-provoking lyrics.
  2. The interview gives insight into Robyn Hitchcock's songwriting process, choice of songs for albums, and collaboration with producers.
  3. Robyn Hitchcock reflects on his music career, changes in his style, and the impact of commercial success on his artistic expression.
The Nelson George Mixtape 373 implied HN points 12 Mar 23
  1. The 'Wattstax' festival in 1972 showcased black musical talent and cultural unity in Watts, LA.
  2. The 'Wattstax' film and album release in 1973 celebrated African American music and community.
  3. Stax Records' legacy endures through the film and boxed set, highlighting the company's ambitions and accomplishments.
Value Investing Substack 373 implied HN points 28 May 23
  1. Value investors should not feel bad about missing out on short-term stock jumps like NVDA's recent +25% increase.
  2. It's important to avoid setting unrealistic benchmarks based on present-day reference points when evaluating past investment decisions.
  3. Embracing less-than-perfect outcomes and understanding the arbitrariness of present-day reference points can help investors overcome FOMO and focus on long-term success in stock markets.
Variations on a Theme 139 implied HN points 13 Mar 24
  1. Embrace the power of art and creativity, even if you face initial failures. It can lead to unexpected and touching moments that resonate with others.
  2. Music and art have the ability to evoke deep emotions and connect people across time and space. They have a transformative power that can touch the soul.
  3. In a world where scientific reasoning often prevails, don't forget the infectious nature of positivity - a simple smile can make a significant impact, spreading joy and connection.
Weekly Wisdom 159 implied HN points 22 Feb 24
  1. Preparing for important moments can be nerve-wracking, but staying focused and organized is key.
  2. Receiving reassurance and positive feedback can have a powerful impact on one's confidence and performance.
  3. Persistence and dedication are crucial in pursuing a passion, despite facing self-doubt and challenges.
QUALITY BOSS 79 implied HN points 04 May 24
  1. Quarterly check-ins help managers stay updated on their team's accomplishments and goals. They create space for important conversations about progress and development.
  2. The check-in process includes asking six questions that focus on both past achievements and future aspirations. This backward and forward approach ensures a comprehensive view of performance.
  3. These meetings do not replace regular feedback but complement it by providing a dedicated time for discussing growth and performance over a longer timeline.
Honest Sport 79 implied HN points 30 Apr 24
  1. Doping in sports includes the use of drugs like steroids and EPO to enhance performance. Understanding how these substances work can help people grasp the extent of cheating in athletics.
  2. Not all doping cases are made public, even if athletes test positive. Many times, cases are dropped or kept secret, showing a gap in the enforcement of anti-doping rules.
  3. There are many resources available, like documentaries and articles, to learn more about doping. These can provide insights into athletes' experiences and the ongoing challenges in combating drug use in sports.
Better Engineers 19 implied HN points 26 Jul 24
  1. Identifying performance issues in an Android app is crucial. It helps you understand what's wrong and fix problems like slow rendering and frozen frames.
  2. Using tools like Firebase Performance Monitoring can help find specific issues. This way, you can pinpoint what's causing delays and how to address them.
  3. To improve app performance, avoid long-running tasks on the UI thread. Techniques like lazy loading and using View Stubs can make your app run smoother.
Points And Figures 559 implied HN points 29 Oct 24
  1. Tony Hinchcliffe's style of humor is seen as harsh and not funny. Unlike comedians like Don Rickles, he doesn't include self-deprecating jokes.
  2. Hinchcliffe's jokes can be cringeworthy and don't seem to resonate well with audiences, especially at events like the Trump rally.
  3. The comparison between Hinchcliffe and Rickles highlights a difference in comedic approach, where Rickles was more inclusive and warm-hearted.
Gradient Flow 319 implied HN points 01 Jun 23
  1. Leading-edge AI models like GPT-4 and PaLM 2 are becoming less open due to growing costs, IP protection, and misuse concerns.
  2. Insights from technical reports of these models help in understanding capabilities, risks, and benefits, aiding in developing strategies to manage potential harm.
  3. GPT-4 and PaLM 2 underwent rigorous testing for responsible AI behavior, outperforming predecessors in various tasks and showing advancements in performance, scalability, and efficiency.
Honest Sport 119 implied HN points 04 Mar 24
  1. Paul Pogba tested positive for a banned substance, leading to a four-year ban, which raises questions about the effectiveness of player monitoring at Juventus.
  2. Juventus continues to consult a doctor linked to past doping scandals, which casts a shadow over the club's medical practices and integrity.
  3. The history of drug use at Juventus highlights issues of performance enhancement in sports, including the dangerous practices of administering banned substances without proper oversight.
Logging the World 279 implied HN points 13 May 23
  1. The musician Donald 'Duck' Dunn, known for his work on bass, had a significant impact in the music world and was part of iconic performances.
  2. Collaborations in the music industry, such as those involving the MGs and other notable artists like Neil Young and Eric Clapton, created powerful and memorable live performances.
  3. Music has the unique ability to evoke strong emotions and memories, bringing joy and connection through shared experiences.
GM Shaders Mini Tuts 157 implied HN points 13 Jan 24
  1. Simplex noise is a noise algorithm that is cheaper in higher dimensions and produces fewer artifacts than Perlin noise.
  2. Consider baking noise onto textures for optimization, especially in 2D for better performance.
  3. To make noise tillable, stick with a square grid and use modulo tiling for seamless textures.
Spilled Coffee 28 implied HN points 10 Dec 25
  1. Consistently beating the S&P 500 is very hard; most active managers have underperformed their benchmarks in recent years.
  2. Many individual stocks and even big-tech names often trail the index — only about 37% of stocks outperformed in 2025 and only two of the Magnificent 7 beat it.
  3. It is possible for an active strategy to outperform over multiple years, but that kind of consistent outperformance is uncommon and not guaranteed.
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.
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.
The Rubesletter by Matt Ruby (of Vooza) | Sent every Tuesday 427 implied HN points 30 Oct 24
  1. Comedy works best in the right context. A roast at a comedy club is different from jokes at a political rally. The audience needs to understand that it’s supposed to be funny.
  2. Intentions behind jokes matter, but so does the setting. If the environment is charged with negativity or hostility, jokes might not land well.
  3. Fame can be tricky in comedy. Just because someone is popular online doesn’t mean everyone knows them. This disconnect can change how people react to their humor.
Paging Dr. Lesbian 235 implied HN points 21 May 23
  1. Lesbianism in early 2000s music culture was often defined by eroticism and shock value.
  2. Contemporary sapphic performances in music are reclaiming lesbian representation with self-expression and empowerment.
  3. Modern sapphic artists are embracing sensuality and pleasure in their music, focusing on self-defined desire and joy.
The Healthtech Initiative 5 implied HN points 09 Feb 26
  1. More total mileage in the six-month build-up leads to faster marathon times — about 4.4 minutes quicker per extra 100 km.
  2. Spending lots of time at or above race pace can backfire — extra race-pace minutes were linked to slower finish times.
  3. A large amount of easy, low-intensity running pays off — roughly 1,000 more minutes of easy training was associated with about 7 minutes faster.
Dada Drummer Almanach 264 implied HN points 17 Feb 25
  1. Led Zeppelin found success by ignoring negative reviews and focusing on their live performances. They believed that word of mouth from fans was key to their popularity.
  2. The band took control of their music by producing their own recordings and owning their masters. This allowed them to avoid pressures from the music industry and shape their own path.
  3. Jimmy Page's vision for Led Zeppelin as an album band was ahead of its time. He wanted to create music that could be fully appreciated on albums, not just through hit singles.