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Skate 3 has been 100% recompiled for PC. It's reached it's 2.0 update which introduces a fully native renderer enabling 2x+ the FPS at 1/4 the GPU power, and Apple Silicon went from 25 to 250 FPS at 4K. Originally starting with rexglue, progression has advanced far enough to... show more

Stormslayer 🔜QUAKECON 2026 -HD Remasters/Gamedev

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826,042 görüntüleme • 1 gün önce •via X (Twitter)

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Skate 3 has been recompiled! (Windows/Linux/macOS) (via Rexglue, partial reliance on xenia, but more flexibility!) Early progress includes 120hz support! Improvements over original include: Higher resolutions/framerates Native 1080p/120Hz With physics timing adjustments! It's early in progress but I'm excited it has been a dream for a proper PC version! (We don't talk about the reboot lol)

Skate 3 has been recompiled! (Windows/Linux/macOS) (via Rexglue, partial reliance on xenia, but more flexibility!) Early progress includes 120hz support! Improvements over original include: Higher resolutions/framerates Native 1080p/120Hz With physics timing adjustments! It's early in progress but I'm excited it has been a dream for a proper PC version! (We don't talk about the reboot lol)

Stormslayer 🔜QUAKECON 2026 -HD Remasters/Gamedev

298,306 görüntüleme • 1 ay önce

Today we're taking a very early look at the progress being made on the Sega Dreamcast's very own port of Runescape Classic! If you weren't already aware of the work that developer, Lobotomy, has been doing, here's some footage captured from an emulator of some online play! It's still extremely early, and as with every ambitious port in the beginning, it still requires the 32MB RAM upgrade, has no audio, and runs like ass... So basically standard procedure! He's currently using our SDL2 back-end with software rendering, which explains the low framerate. Eventually it will move to HW accelerated graphics using the DC's PowerVR GPU, so the current low FPS is to be expected until that time. What IS a big deal is that even in this early stage, it's already able to connect to the online servers for cross-play and is fully playable with the mouse and keyboard! Stay tuned for future updates as Lobotomy continues his work!

Today we're taking a very early look at the progress being made on the Sega Dreamcast's very own port of Runescape Classic! If you weren't already aware of the work that developer, Lobotomy, has been doing, here's some footage captured from an emulator of some online play! It's still extremely early, and as with every ambitious port in the beginning, it still requires the 32MB RAM upgrade, has no audio, and runs like ass... So basically standard procedure! He's currently using our SDL2 back-end with software rendering, which explains the low framerate. Eventually it will move to HW accelerated graphics using the DC's PowerVR GPU, so the current low FPS is to be expected until that time. What IS a big deal is that even in this early stage, it's already able to connect to the online servers for cross-play and is fully playable with the mouse and keyboard! Stay tuned for future updates as Lobotomy continues his work!

Falco Girgis

11,835 görüntüleme • 1 yıl önce

Best technology M&A of all time has to be NVIDIA's $6.9 Billion acquisition of Mellanox in 2020. It was a special treat to interview Michael Kagan, CTO of NVIDIA and co-founder/CTO of Mellanox, for today's Training Data episode. Michael has been driving forward the Compute Frontier for more than 40 years now, first as Chief Architect at Intel in the 90s, then Co-Founder and CTO at Mellanox, and for the last 5 years CTO at NVIDIA. There's nobody better positioned than Michael to share the complete history of the compute frontier and what's ahead, from decades pushing forward Moore's law (squeezing more transistors on a chip) to the last decade of work scaling beyond single chip physics limitations (scaling out to 100K+ GPU clusters). Interconnect is the secret sauce enabling compute to scale beyond chip-level Moore's law. Connecting a fabric of 100K+ GPUs to function as a single unit of compute is the enabling technology for today's intelligence explosion. But other things break at the 100K+ GPU cluster scale: individual chips inevitably fail, power and networking become more complex, etc etc. Net effect of scale out: we've inflected the silicon frontier from Moore's Law (2x every 2 years) to Huang's law (~10x a year). Very excited about today's episode! Learned so much from Michael with Pat Grady

Best technology M&A of all time has to be NVIDIA's $6.9 Billion acquisition of Mellanox in 2020. It was a special treat to interview Michael Kagan, CTO of NVIDIA and co-founder/CTO of Mellanox, for today's Training Data episode. Michael has been driving forward the Compute Frontier for more than 40 years now, first as Chief Architect at Intel in the 90s, then Co-Founder and CTO at Mellanox, and for the last 5 years CTO at NVIDIA. There's nobody better positioned than Michael to share the complete history of the compute frontier and what's ahead, from decades pushing forward Moore's law (squeezing more transistors on a chip) to the last decade of work scaling beyond single chip physics limitations (scaling out to 100K+ GPU clusters). Interconnect is the secret sauce enabling compute to scale beyond chip-level Moore's law. Connecting a fabric of 100K+ GPUs to function as a single unit of compute is the enabling technology for today's intelligence explosion. But other things break at the 100K+ GPU cluster scale: individual chips inevitably fail, power and networking become more complex, etc etc. Net effect of scale out: we've inflected the silicon frontier from Moore's Law (2x every 2 years) to Huang's law (~10x a year). Very excited about today's episode! Learned so much from Michael with Pat Grady

Sonya Huang 🐥

56,175 görüntüleme • 9 ay önce

The latest MLX has a CUDA back-end! To get started: pip install "mlx[cuda]" With the same codebase you can develop locally, run your model on Apple silicon, or in the cloud on Nvidia GPUs. MLX is designed around Apple silicon - which has a unified memory architecture. It uses the same design with CUDA. So there's no need to move arrays around from CPU memory to GPU memory. Note, this is early days - some operations are missing and performance is still being optimized. But it's already quite fast for Transformer training, text generation, and more! Here's a demo using mlx-lm to generate text with Llama 3 8B (bf16) on an A100:

The latest MLX has a CUDA back-end! To get started: pip install "mlx[cuda]" With the same codebase you can develop locally, run your model on Apple silicon, or in the cloud on Nvidia GPUs. MLX is designed around Apple silicon - which has a unified memory architecture. It uses the same design with CUDA. So there's no need to move arrays around from CPU memory to GPU memory. Note, this is early days - some operations are missing and performance is still being optimized. But it's already quite fast for Transformer training, text generation, and more! Here's a demo using mlx-lm to generate text with Llama 3 8B (bf16) on an A100:

Awni Hannun

42,761 görüntüleme • 1 yıl önce

Enabling autonomous vehicles perceive their environment using only off-the-shelf cameras has been a long term research objective at Swaayatt Robots. This demo highlights the capabilities of our on-road perception system which is able to detect obstacles, road boundaries, lane markers in images, as well as compute depth of the complex scenes in the environment. The output shown in this video is end-to-end raw output from our deep learning system, without any post processing. The current system, with joint computation of obstacles, lane/road boundaries, and depth, works at 30 FPS on an embedded GPU in our autonomous vehicle, and can achieve higher FPS with further optimization -- which is currently a research in progress. This system is being scaled up for both the day and night operations, and we will showcase its strength towards enabling autonomous driving on a mountainous environment with unpaved roads, in the absence of any delimiters. #deeplearning #autonomousdriving #autonomousvehicles #machinelearning

Enabling autonomous vehicles perceive their environment using only off-the-shelf cameras has been a long term research objective at Swaayatt Robots. This demo highlights the capabilities of our on-road perception system which is able to detect obstacles, road boundaries, lane markers in images, as well as compute depth of the complex scenes in the environment. The output shown in this video is end-to-end raw output from our deep learning system, without any post processing. The current system, with joint computation of obstacles, lane/road boundaries, and depth, works at 30 FPS on an embedded GPU in our autonomous vehicle, and can achieve higher FPS with further optimization -- which is currently a research in progress. This system is being scaled up for both the day and night operations, and we will showcase its strength towards enabling autonomous driving on a mountainous environment with unpaved roads, in the absence of any delimiters. #deeplearning #autonomousdriving #autonomousvehicles #machinelearning

Sanjeev Sharma

18,478 görüntüleme • 1 yıl önce

Myles Rowe is the defending Indy NXT winner at Nashville. It's the first time he's gone to a track with that distinction (there is no race at Iowa this year). What it's like for him to go back to a place where he has won and waiting on 2027 plans to shake out: INDYCAR on FOX

Myles Rowe is the defending Indy NXT winner at Nashville. It's the first time he's gone to a track with that distinction (there is no race at Iowa this year). What it's like for him to go back to a place where he has won and waiting on 2027 plans to shake out: INDYCAR on FOX

Bob Pockrass

26,994 görüntüleme • 8 gün önce

[Centrist politicians] have tried and they have failed spectacularly to stop the rise of this movement. So far, it's never been this strong and it's never been so close to power." Thierry Arnaud on the rise of Marine Le Pen's 'National Rally'- "there is a a challenge for the center parties that is unprecedented. But there is also a challenge for Marine Le Pen, in the sense that she has to win that credibility battle that she has lost over and over again so far."

[Centrist politicians] have tried and they have failed spectacularly to stop the rise of this movement. So far, it's never been this strong and it's never been so close to power." Thierry Arnaud on the rise of Marine Le Pen's 'National Rally'- "there is a a challenge for the center parties that is unprecedented. But there is also a challenge for Marine Le Pen, in the sense that she has to win that credibility battle that she has lost over and over again so far."

Christiane Amanpour

20,116 görüntüleme • 16 gün önce

From 2 second (faster on higher end GPUs) Gaussian splat generations, using Apple's "Sharp Monocular View Synthesis in Less Than a Second" code, running locally on my system. Imported into Octane Render 2026 which has fully path traced rendering of Gaussian splats. Stuff like this is why I've been so excited to see where Gaussian splatting research would go. Combined with a real-time Generative AI "renderer" this stuff could start to get quite insane. Combined with Dreams it would be even better ofc :D Code to the Apple code in the comments below.

From 2 second (faster on higher end GPUs) Gaussian splat generations, using Apple's "Sharp Monocular View Synthesis in Less Than a Second" code, running locally on my system. Imported into Octane Render 2026 which has fully path traced rendering of Gaussian splats. Stuff like this is why I've been so excited to see where Gaussian splatting research would go. Combined with a real-time Generative AI "renderer" this stuff could start to get quite insane. Combined with Dreams it would be even better ofc :D Code to the Apple code in the comments below.

Martin Nebelong

36,774 görüntüleme • 7 ay önce

#Battlefield6 NVIDIA DLSS 4 Reveal Trailer 📽️ The game includes support for DLSS 4 with Multi Frame Generation, DLSS Frame Generation, DLSS Super Resolution, DLAA, and NVIDIA Reflex. Desktop GPUs Performance At 4K, Ultra settings, DLSS 4 with Multi Frame Generation and DLSS Super Resolution multiply Battlefield 6's GeForce RTX 50 Series frame rates by an average of 3.8X. ▪️ GeForce RTX 5090 performance rockets to over 470 FPS. ▪️ GeForce RTX 5080 exceeds 330 FPS. ▪️ GeForce RTX 5070 Ti is in touching distance of 300 FPS. ▪️ GeForce RTX 5070 surpasses 230 FPS. At 2560x1440, Ultra settings, DLSS 4 with Multi Frame Generation and DLSS Super Resolution increase Battlefield 6 frame rates by an average of 3X. ▪️ GeForce RTX 5090 runs at almost 600 FPS. ▪️ GeForce RTX 5060 Ti over 240 FPS. At 1920x1080, Ultra settings, the combination of DLSS 4 with Multi Frame Generation and DLSS Super Resolution boost Battlefield 6’s GeForce RTX 50 Series frame rates by an average of 2.9X. ▪️ Allowing every GPU in NVIDIA's line-up to play at over 230 FPS, maxing out at over 740 FPS on the GeForce RTX 5090. Laptop GPUs Performance GeForce RTX 50 Series Laptop GPUs benefit similarly from DLSS 4 with Multi Frame Generation and DLSS Super Resolution, with Battlefield 6 frame rates multiplied by 3X on average at 2560x1600, with Ultra settings, enabling performance of up to 360 FPS. At 1920x1080, Ultra settings, GeForce RTX 50 Series Laptop GPU performance increases by 2.8X on average, enabling Battlefield 6 frame rates to surpass 480 FPS, and the range to run at over 200 frames per second.

#Battlefield6 NVIDIA DLSS 4 Reveal Trailer 📽️ The game includes support for DLSS 4 with Multi Frame Generation, DLSS Frame Generation, DLSS Super Resolution, DLAA, and NVIDIA Reflex. Desktop GPUs Performance At 4K, Ultra settings, DLSS 4 with Multi Frame Generation and DLSS Super Resolution multiply Battlefield 6's GeForce RTX 50 Series frame rates by an average of 3.8X. ▪️ GeForce RTX 5090 performance rockets to over 470 FPS. ▪️ GeForce RTX 5080 exceeds 330 FPS. ▪️ GeForce RTX 5070 Ti is in touching distance of 300 FPS. ▪️ GeForce RTX 5070 surpasses 230 FPS. At 2560x1440, Ultra settings, DLSS 4 with Multi Frame Generation and DLSS Super Resolution increase Battlefield 6 frame rates by an average of 3X. ▪️ GeForce RTX 5090 runs at almost 600 FPS. ▪️ GeForce RTX 5060 Ti over 240 FPS. At 1920x1080, Ultra settings, the combination of DLSS 4 with Multi Frame Generation and DLSS Super Resolution boost Battlefield 6’s GeForce RTX 50 Series frame rates by an average of 2.9X. ▪️ Allowing every GPU in NVIDIA's line-up to play at over 230 FPS, maxing out at over 740 FPS on the GeForce RTX 5090. Laptop GPUs Performance GeForce RTX 50 Series Laptop GPUs benefit similarly from DLSS 4 with Multi Frame Generation and DLSS Super Resolution, with Battlefield 6 frame rates multiplied by 3X on average at 2560x1600, with Ultra settings, enabling performance of up to 360 FPS. At 1920x1080, Ultra settings, GeForce RTX 50 Series Laptop GPU performance increases by 2.8X on average, enabling Battlefield 6 frame rates to surpass 480 FPS, and the range to run at over 200 frames per second.

Battlefield Bulletin

30,559 görüntüleme • 9 ay önce

Hey everyone, today I want to introduce a project that’s aiming to redefine how we access compute for AI — it’s called GPUAI. 🔶 GPUAI: Unlocking Global GPU Power for the AI Era GPUAI isn’t just another GPU marketplace or leasing service. It’s a fully decentralized protocol that connects idle GPU resources around the world — from gaming PCs to data center clusters — and transforms them into a high-performance compute network for AI workloads. 🧠 Why does it matter? Right now, the biggest bottleneck in AI isn’t algorithms — it’s access to compute. Training and running models requires massive GPU power, but it’s locked up in centralized cloud platforms, expensive and hard to access for smaller teams. With GPUAI, anyone can tap into a global GPU pool that’s: ✅ Fully decentralized ✅ Reputation-based and smart contract coordinated ✅ Encrypted and secure ✅ Token-incentivized — meaning contributors get rewarded in $GPUAI 📈 For developers, it’s a flexible way to access GPU compute for training, inference, and more — without cloud lock-in. 💰 For GPU owners, it’s a chance to monetize idle hardware that would otherwise go unused. The protocol is live, the apps are active, and the ecosystem is growing fast. 🌐 Try it yourself at 📖 Learn more on 🎮 Play our community games at This is real infrastructure for the future of AI, not hype. Follow them and explore their mission of decentralized computing at Tell me what you think - if you have a GPU, you can start profiting now. #GPUAI #Web3Infrastructure #AIComputing #DePIN #Decentralization

Hey everyone, today I want to introduce a project that’s aiming to redefine how we access compute for AI — it’s called GPUAI. 🔶 GPUAI: Unlocking Global GPU Power for the AI Era GPUAI isn’t just another GPU marketplace or leasing service. It’s a fully decentralized protocol that connects idle GPU resources around the world — from gaming PCs to data center clusters — and transforms them into a high-performance compute network for AI workloads. 🧠 Why does it matter? Right now, the biggest bottleneck in AI isn’t algorithms — it’s access to compute. Training and running models requires massive GPU power, but it’s locked up in centralized cloud platforms, expensive and hard to access for smaller teams. With GPUAI, anyone can tap into a global GPU pool that’s: ✅ Fully decentralized ✅ Reputation-based and smart contract coordinated ✅ Encrypted and secure ✅ Token-incentivized — meaning contributors get rewarded in $GPUAI 📈 For developers, it’s a flexible way to access GPU compute for training, inference, and more — without cloud lock-in. 💰 For GPU owners, it’s a chance to monetize idle hardware that would otherwise go unused. The protocol is live, the apps are active, and the ecosystem is growing fast. 🌐 Try it yourself at 📖 Learn more on 🎮 Play our community games at This is real infrastructure for the future of AI, not hype. Follow them and explore their mission of decentralized computing at Tell me what you think - if you have a GPU, you can start profiting now. #GPUAI #Web3Infrastructure #AIComputing #DePIN #Decentralization

The Crypto GEMs

69,984 görüntüleme • 1 yıl önce

I got Llama 3 running in my browser using only my GPU with my Wi-Fi switched OFF completely client-side WebGPU is a new feature in browsers where JS can use the GPU of the device and apparently you can run LLMs on it too, and it's fast! My end goal for 🧠 is a locally run client side 100% private conversation where nothing gets sent to, processed in or stored in the cloud This will be helpful because I prefer making it web based instead of coding for 4 different native platforms (iOS, Android, MacOS, Windows) Two challenges still: 1) the user has to download the LLM model first and the smallest model is still ~3GB, but they only have to download it once 2) not all devices have fast GPUs yet for LLMs, but it's starting to become a default in most devices e.g.s smartphones

I got Llama 3 running in my browser using only my GPU with my Wi-Fi switched OFF completely client-side WebGPU is a new feature in browsers where JS can use the GPU of the device and apparently you can run LLMs on it too, and it's fast! My end goal for 🧠 is a locally run client side 100% private conversation where nothing gets sent to, processed in or stored in the cloud This will be helpful because I prefer making it web based instead of coding for 4 different native platforms (iOS, Android, MacOS, Windows) Two challenges still: 1) the user has to download the LLM model first and the smallest model is still ~3GB, but they only have to download it once 2) not all devices have fast GPUs yet for LLMs, but it's starting to become a default in most devices e.g.s smartphones

@levelsio

261,352 görüntüleme • 2 yıl önce

Now that the Potomac Interceptor has been repaired after working closely with DC Water, our focus shifts to ensuring the site is fully remediated in time for America 250. Senior Response Officer Jessica Kramer provided an update on the transition from repair to remediation at the Potomac Interceptor site at a press conference this week.

Now that the Potomac Interceptor has been repaired after working closely with DC Water, our focus shifts to ensuring the site is fully remediated in time for America 250. Senior Response Officer Jessica Kramer provided an update on the transition from repair to remediation at the Potomac Interceptor site at a press conference this week.

U.S. EPA

38,794 görüntüleme • 4 ay önce

"Some people will say, sure, it's on Netflix, of course it's going to do great... It has to be more than that. Netflix had the season opener for MLB with the New York Yankees and the Giants. Amazing, big market teams. Look at that viewership. It was great. 3 million viewers. It's not just, put it on Netflix and it does great. There has to be great storytelling, there has to be a compelling product, and I believe our partnership is very unique in its ability to make outstanding things happen." Nakisa Bidarian shares thoughts on the performance of Rousey x Carano.

"Some people will say, sure, it's on Netflix, of course it's going to do great... It has to be more than that. Netflix had the season opener for MLB with the New York Yankees and the Giants. Amazing, big market teams. Look at that viewership. It was great. 3 million viewers. It's not just, put it on Netflix and it does great. There has to be great storytelling, there has to be a compelling product, and I believe our partnership is very unique in its ability to make outstanding things happen." Nakisa Bidarian shares thoughts on the performance of Rousey x Carano.

Ariel Helwani

28,776 görüntüleme • 2 ay önce

Sonic Racing: CrossWorlds has been nominated for Players’ Voice at The Game Awards 2025! 🏁💙 The category is fully decided by fan votes, and CrossWorlds has cleared Round 1 of 3 to earn its nomination. Vote here to help push it into Round 2: #SonicNews | #SonicRacingCrossWorlds | #TheGameAwards

Sonic Racing: CrossWorlds has been nominated for Players’ Voice at The Game Awards 2025! 🏁💙 The category is fully decided by fan votes, and CrossWorlds has cleared Round 1 of 3 to earn its nomination. Vote here to help push it into Round 2: #SonicNews | #SonicRacingCrossWorlds | #TheGameAwards

Sonic City ⋆★ Sonic News, Media & Community ★⋆🦔💨

21,583 görüntüleme • 7 ay önce

When I saw that Assassin's Creed Unity was getting a 60 FPS update for current gen consoles, I honestly could not wait to see it with my own eyes. And after playing it, I realized it is not just 60 FPS. The game also seems to be upscaled to 4K, which is absolutely insane in my opinion and the game runs incredibly smooth! Many of you know that I have never been the biggest fan of Unity. But I have to admit, maybe it is just placebo, yet it genuinely feels like the game plays better. Almost like the controller responds more precisely to what I actually want to do. I tested it properly in stealth and of course in parkour, and I have to say, it feels amazing! For PC players this might not be anything special. But for someone like me, mainly playing on console, finally being able to experience Assassin’s Creed Unity at 60 FPS is a game changer. And by the way, co op also seems to be working normally again. This is honestly crazy to see!

When I saw that Assassin's Creed Unity was getting a 60 FPS update for current gen consoles, I honestly could not wait to see it with my own eyes. And after playing it, I realized it is not just 60 FPS. The game also seems to be upscaled to 4K, which is absolutely insane in my opinion and the game runs incredibly smooth! Many of you know that I have never been the biggest fan of Unity. But I have to admit, maybe it is just placebo, yet it genuinely feels like the game plays better. Almost like the controller responds more precisely to what I actually want to do. I tested it properly in stealth and of course in parkour, and I have to say, it feels amazing! For PC players this might not be anything special. But for someone like me, mainly playing on console, finally being able to experience Assassin’s Creed Unity at 60 FPS is a game changer. And by the way, co op also seems to be working normally again. This is honestly crazy to see!

MisterAlpha444

1,406,353 görüntüleme • 4 ay önce

The #GTA 3 port to the Sega #Dreamcast has been progressing at an incredible pace. It's been amazing to see the whole DC community come together to tag-team this "impossible" project... Here it is running on a stock DC, no longer requiring the 32MB RAM hardware modification, only a few weeks into development. Since I finally got the time to sit down, build the codebase, and look into some of what I think is the critical path for performance, let's talk about some technical shit, and some of the future steps I think can be taken to further improve performance. First of all, I want everyone to take note that this is NOT a port of the PS2 version. This is a port of the PC version, which has extra content, increased draw distance, improved textures, and other things that have actually increased the challenge here... Whether the DC version will ultimately have these additions or not will remain to be seen, but we're running into plenty of shit that the PS2 didn't have to worry about (like these big-ass PC replay saves won't fit onto a Visual Memory Unit!) Secondly, lets talk about what is and isn't currently optimized, because it's absolutely vital that the DC's hardware is fully utilized here for the sake of performance and achieving a competitive polygon count. Unlike with modern devices, where the whole graphics pipeline is handled by the GPU, both the PS2 and Dreamcast were responsible for transforming and doing lighting calculations for each vertex BEFORE they got submitted to the GPU. The PS2 had a vector coprocessor to do this, while the Dreamcast had a few extremely important SIMD and fast math assembly instructions on its CPU to do these computations. Up until literally just a few hours ago (not shown in this footage), the Dreamcast's SH4 was doing 100% of these operations in slow-ass plain C and C++ code, which is absolutely sub-optimal and is immediately bogging down its CPU with just transforming vertices, bottlenecking the entire graphics pipeline on the fist T&L stage, and also leaving less CPU time for handling other gameplay logic... this is going to absolutely have to be addressed (and already has begun to be). Another issue that is crippling performance here is the fact that the models are all using individual triangles rather than triangle strips, which the Dreamcast's PVR GPU was designed to handle better... Converting these models to use strips rather than individual triangles will result in MANY different gainz for the DC, as you're going from 3N to N+2 vertices per triangle. Converting the models to triangle strips will 1) reduce load times, since model assets will be smaller 2) reduce the amount of video memory required to hold these vertices on the GPU 3) reduce the amount of shit that must be transferred from the CPU to the GPU and 4) give us back a bunch of CPU time, since the SH4 will be less bogged down transforming redundant vertices! TL;DR: This is still EXTREMELY suboptimal in terms of fully utilizing the graphical potential of the Dreamcast. There is going to be a LOT that can be done still to both improve performance and polygon counts, so stay tuned! FINALLY: Mad respect and love to Stefanos Kornilios Mitsis Poiitidis, for doing an amazing job leading this project, and to Frogbull , Esppiral, and everyone else who is helping us stick it to the PS2 by making this happen! #gamedev #retrogaming #cplusplus

The #GTA 3 port to the Sega #Dreamcast has been progressing at an incredible pace. It's been amazing to see the whole DC community come together to tag-team this "impossible" project... Here it is running on a stock DC, no longer requiring the 32MB RAM hardware modification, only a few weeks into development. Since I finally got the time to sit down, build the codebase, and look into some of what I think is the critical path for performance, let's talk about some technical shit, and some of the future steps I think can be taken to further improve performance. First of all, I want everyone to take note that this is NOT a port of the PS2 version. This is a port of the PC version, which has extra content, increased draw distance, improved textures, and other things that have actually increased the challenge here... Whether the DC version will ultimately have these additions or not will remain to be seen, but we're running into plenty of shit that the PS2 didn't have to worry about (like these big-ass PC replay saves won't fit onto a Visual Memory Unit!) Secondly, lets talk about what is and isn't currently optimized, because it's absolutely vital that the DC's hardware is fully utilized here for the sake of performance and achieving a competitive polygon count. Unlike with modern devices, where the whole graphics pipeline is handled by the GPU, both the PS2 and Dreamcast were responsible for transforming and doing lighting calculations for each vertex BEFORE they got submitted to the GPU. The PS2 had a vector coprocessor to do this, while the Dreamcast had a few extremely important SIMD and fast math assembly instructions on its CPU to do these computations. Up until literally just a few hours ago (not shown in this footage), the Dreamcast's SH4 was doing 100% of these operations in slow-ass plain C and C++ code, which is absolutely sub-optimal and is immediately bogging down its CPU with just transforming vertices, bottlenecking the entire graphics pipeline on the fist T&L stage, and also leaving less CPU time for handling other gameplay logic... this is going to absolutely have to be addressed (and already has begun to be). Another issue that is crippling performance here is the fact that the models are all using individual triangles rather than triangle strips, which the Dreamcast's PVR GPU was designed to handle better... Converting these models to use strips rather than individual triangles will result in MANY different gainz for the DC, as you're going from 3N to N+2 vertices per triangle. Converting the models to triangle strips will 1) reduce load times, since model assets will be smaller 2) reduce the amount of video memory required to hold these vertices on the GPU 3) reduce the amount of shit that must be transferred from the CPU to the GPU and 4) give us back a bunch of CPU time, since the SH4 will be less bogged down transforming redundant vertices! TL;DR: This is still EXTREMELY suboptimal in terms of fully utilizing the graphical potential of the Dreamcast. There is going to be a LOT that can be done still to both improve performance and polygon counts, so stay tuned! FINALLY: Mad respect and love to Stefanos Kornilios Mitsis Poiitidis, for doing an amazing job leading this project, and to Frogbull , Esppiral, and everyone else who is helping us stick it to the PS2 by making this happen! #gamedev #retrogaming #cplusplus

Falco Girgis

88,356 görüntüleme • 2 yıl önce

Because this has gotten some recent attention again. Apex Legends has bugged FPS ranges, like 140-160FPS for example, where you are severely magnetized to the floor when trying to Slidehop. This Issue has existed for it's entire Lifetime and has been raised to Respawn multiple times. That this still hasn't been addressed in a self proclaimed Movement shooter is completely unbelievable. So i'm once again calling public attention to it in yet another attempt to get this actually looked at. If you regularly reach the following FPS Ranges you HAVE TO Cap your FPS below them to prevent this magnetization issue. - 65-85FPS - 140-160FPS - 205-230FPS - 275-300FPS Even very shallow inclines extend these ranges even further. If you regularly reach FPS in these ranges use the +fps_max command to cap your FPS below one of these ranges. For example “+fps_max 270”. To be safe around inclines set your fps cap 5-10FPS below these ranges. I can guarantee you there will be people under this post utterly flabbergasted that this was the issue all along for why their movement felt so much shittier compared to the smooth movement of the Content creators they watch.

Because this has gotten some recent attention again. Apex Legends has bugged FPS ranges, like 140-160FPS for example, where you are severely magnetized to the floor when trying to Slidehop. This Issue has existed for it's entire Lifetime and has been raised to Respawn multiple times. That this still hasn't been addressed in a self proclaimed Movement shooter is completely unbelievable. So i'm once again calling public attention to it in yet another attempt to get this actually looked at. If you regularly reach the following FPS Ranges you HAVE TO Cap your FPS below them to prevent this magnetization issue. - 65-85FPS - 140-160FPS - 205-230FPS - 275-300FPS Even very shallow inclines extend these ranges even further. If you regularly reach FPS in these ranges use the +fps_max command to cap your FPS below one of these ranges. For example “+fps_max 270”. To be safe around inclines set your fps cap 5-10FPS below these ranges. I can guarantee you there will be people under this post utterly flabbergasted that this was the issue all along for why their movement felt so much shittier compared to the smooth movement of the Content creators they watch.

Mokey

1,347,116 görüntüleme • 3 ay önce

Every day is a fantastic day to be playing Counterstrike... ON THE SEGA DREAMCAST! What you are seeing is a couple minutes of video featuring online play captured directly from the real hardware! This monumental feat of engineering is to be credited to developer, maximqad, who has successfully ported the Xash3D engine, which is Half-Life compatible, to the little white box, with its 200Mhz SH4 CPU and whopping 16MB of system memory. With the engine has come Half-Life, Counterstrike, and the possibility of many others on DC. Unlike the last time you saw these games, though, they're now glitch-free and are fully playable, with plenty of room for further optimizations left! Speaking of gainz, one of the most interesting battle stories from this project has got to be maximqad offloading some of the engine's allocations for its BSP from system memory onto video memory, which the Dreamcast tends to have an abundance of, at 8MB, with support for a fantastic VQ hardware compression format. For more footage from this play session, check out SWAT's full capture here:

Every day is a fantastic day to be playing Counterstrike... ON THE SEGA DREAMCAST! What you are seeing is a couple minutes of video featuring online play captured directly from the real hardware! This monumental feat of engineering is to be credited to developer, maximqad, who has successfully ported the Xash3D engine, which is Half-Life compatible, to the little white box, with its 200Mhz SH4 CPU and whopping 16MB of system memory. With the engine has come Half-Life, Counterstrike, and the possibility of many others on DC. Unlike the last time you saw these games, though, they're now glitch-free and are fully playable, with plenty of room for further optimizations left! Speaking of gainz, one of the most interesting battle stories from this project has got to be maximqad offloading some of the engine's allocations for its BSP from system memory onto video memory, which the Dreamcast tends to have an abundance of, at 8MB, with support for a fantastic VQ hardware compression format. For more footage from this play session, check out SWAT's full capture here:

Falco Girgis

36,750 görüntüleme • 1 yıl önce

Reasons to build a home gym: 1) As many dogs as I want. 2) Nobody stares for drinking a gallon of raw milk. 3) Nobody broccoli heads. 4) My playlist is the only playlist. 5) No waiting for machines. Bulking season starting early this year. Sitting at 250 and fully sending it to 270.

Reasons to build a home gym: 1) As many dogs as I want. 2) Nobody stares for drinking a gallon of raw milk. 3) Nobody broccoli heads. 4) My playlist is the only playlist. 5) No waiting for machines. Bulking season starting early this year. Sitting at 250 and fully sending it to 270.

Ian Smith, Sr.

23,107 görüntüleme • 11 ay önce