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Due to overwhelming high demand, a number of orders from our first batch have unfortunately been moved to the second batch, which is now 90% ordered! Our manufacturers are hard at work to keep up with strong demand and we estimate that the second batch will now be sent... show more

SolarX

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27,821 次观看 • 2 年前 •via X (Twitter)

财经新闻政治科学技术

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Batch Normalization by hand ✍️ ~ 7 steps walkthrough below Batch normalization is common practice for improving training and achieving faster convergence. It sounds simple. But it is often misunderstood. 🤔 Does batch normalization involve trainable parameters, tunable hyper-parameters, or both? 🤔 Is batch normalization applied to inputs, features, weights, biases, or outputs? 🤔 How is batch normalization different from layer normalization? So I drew and calculated one entirely by hand. Goal: normalize a mini-batch of 4 examples to mean 0 and variance 1, then let the network scale it back. = 1. Given = A mini-batch of 4 training examples, each with 3 features. = 2. Linear layer = Let us multiply by the weights and add the biases. Batch norm sits after this, which answers the second question: what gets normalized is features, not inputs, weights or biases. = 3. ReLU = We apply the activation, and -2 becomes 0. Negative values are suppressed before any statistic is taken. = 4. Batch statistics = Let us compute the sum, mean, variance and standard deviation, one row at a time. A row is a feature and the four columns are the four examples, so every number here measures one feature against the rest of the batch. That is the "batch" in batch normalization, and it is exactly what layer normalization does not do. The statistics are rounded to whole numbers, which is what keeps the rest of the page doable in pen. = 5. Shift to mean 0 = We subtract the mean, in green. The four values in each feature now average to zero. = 6. Scale to variance 1 = Let us divide by the standard deviation, in orange. Each feature now has variance one, whatever scale it arrived at. = 7. Scale and shift = We multiply by a linear transformation and pass the result on. The diagonal and the last column are trainable, so having just forced every feature to mean 0 and variance 1, we hand the network the means to undo it. The outputs: Mean of each feature = [2, 1, 2] Std dev of each feature = [1, 1, 2] To the next layer = [2, -2, 2, 0], [-3, 3, 6, -3], [2, 0, 1, 2] The answers: 🤔 Both. The scale and shift are trainable, the statistics are not. Epsilon and the momentum on the running statistics are the hyper-parameters, and one mini-batch by hand needs neither. 🤔 Features, after the linear layer, not inputs, weights or biases. 🤔 Batch norm measures across the batch, one feature at a time. Layer norm measures across the features, one example at a time. 💾 Save this post!

Batch Normalization by hand ✍️ ~ 7 steps walkthrough below Batch normalization is common practice for improving training and achieving faster convergence. It sounds simple. But it is often misunderstood. 🤔 Does batch normalization involve trainable parameters, tunable hyper-parameters, or both? 🤔 Is batch normalization applied to inputs, features, weights, biases, or outputs? 🤔 How is batch normalization different from layer normalization? So I drew and calculated one entirely by hand. Goal: normalize a mini-batch of 4 examples to mean 0 and variance 1, then let the network scale it back. = 1. Given = A mini-batch of 4 training examples, each with 3 features. = 2. Linear layer = Let us multiply by the weights and add the biases. Batch norm sits after this, which answers the second question: what gets normalized is features, not inputs, weights or biases. = 3. ReLU = We apply the activation, and -2 becomes 0. Negative values are suppressed before any statistic is taken. = 4. Batch statistics = Let us compute the sum, mean, variance and standard deviation, one row at a time. A row is a feature and the four columns are the four examples, so every number here measures one feature against the rest of the batch. That is the "batch" in batch normalization, and it is exactly what layer normalization does not do. The statistics are rounded to whole numbers, which is what keeps the rest of the page doable in pen. = 5. Shift to mean 0 = We subtract the mean, in green. The four values in each feature now average to zero. = 6. Scale to variance 1 = Let us divide by the standard deviation, in orange. Each feature now has variance one, whatever scale it arrived at. = 7. Scale and shift = We multiply by a linear transformation and pass the result on. The diagonal and the last column are trainable, so having just forced every feature to mean 0 and variance 1, we hand the network the means to undo it. The outputs: Mean of each feature = [2, 1, 2] Std dev of each feature = [1, 1, 2] To the next layer = [2, -2, 2, 0], [-3, 3, 6, -3], [2, 0, 1, 2] The answers: 🤔 Both. The scale and shift are trainable, the statistics are not. Epsilon and the momentum on the running statistics are the hyper-parameters, and one mini-batch by hand needs neither. 🤔 Features, after the linear layer, not inputs, weights or biases. 🤔 Batch norm measures across the batch, one feature at a time. Layer norm measures across the features, one example at a time. 💾 Save this post!

Tom Yeh

20,848 次观看 • 1 个月前

Season 3 just released, and lots of you are jumping into the arena! Due to high demand, we are experiencing some server issues. We are working on adding more capacity to handle the number of concurrent players. Sorry for the trouble and thank you for your patience!

Season 3 just released, and lots of you are jumping into the arena! Due to high demand, we are experiencing some server issues. We are working on adding more capacity to handle the number of concurrent players. Sorry for the trouble and thank you for your patience!

THE FINALS

76,061 次观看 • 2 年前

We continue to increase and improve our ADS-B and MLAT coverage around the world. Right now we are building a batch of another 1000 receivers. Apply now if you want to host one of the receivers and improve the coverage in your area

We continue to increase and improve our ADS-B and MLAT coverage around the world. Right now we are building a batch of another 1000 receivers. Apply now if you want to host one of the receivers and improve the coverage in your area

Flightradar24

107,141 次观看 • 1 年前

Hello world A new year has begun and we are living this genocide We are still being killed and living the worst days of our lives in the shadow of genocide We hope that you will stand by us more than ever We hope that this genocide will end as soon as possible Don't forget that Gaza is being bombed now and the planes are above us and we are waiting at any moment to be bombed Share our voice and we will remain part of your day If you can help us through the link we will be grateful to all of you PP🔗 GFM🔗

Hello world A new year has begun and we are living this genocide We are still being killed and living the worst days of our lives in the shadow of genocide We hope that you will stand by us more than ever We hope that this genocide will end as soon as possible Don't forget that Gaza is being bombed now and the planes are above us and we are waiting at any moment to be bombed Share our voice and we will remain part of your day If you can help us through the link we will be grateful to all of you PP🔗 GFM🔗

Abdullah Omar🇵🇸

14,563 次观看 • 1 年前

🚀 Unich Network Ambassador Program: Cycle Update! Our weekly training cycles will run from Tuesday to Tuesday - but we are making a special update for our very first Batch! To give everyone enough time to apply and get fully comfortable with the program's workflow, Batch 1 will be extended! 🗓️ Batch 1 Schedule: April 8 – April 21 📢 Participant: We will announce the official list of Batch 1 participants next Tuesday, April 14. (Note: If you join the program after April 14, don't worry! You will automatically be enrolled in Batch 2, which officially kicks off on April 22). ⏳ Haven't registered yet? You still have time to join the movement! 👇 ✅ Step 1: Join the Unich Network Ambassador Global group: ✅ Step 2: Fill out the quick registration form: Let’s build the future of the Unich Network ecosystem together! 🌐💪

🚀 Unich Network Ambassador Program: Cycle Update! Our weekly training cycles will run from Tuesday to Tuesday - but we are making a special update for our very first Batch! To give everyone enough time to apply and get fully comfortable with the program's workflow, Batch 1 will be extended! 🗓️ Batch 1 Schedule: April 8 – April 21 📢 Participant: We will announce the official list of Batch 1 participants next Tuesday, April 14. (Note: If you join the program after April 14, don't worry! You will automatically be enrolled in Batch 2, which officially kicks off on April 22). ⏳ Haven't registered yet? You still have time to join the movement! 👇 ✅ Step 1: Join the Unich Network Ambassador Global group: ✅ Step 2: Fill out the quick registration form: Let’s build the future of the Unich Network ecosystem together! 🌐💪

Unich.com 🆓

36,906 次观看 • 5 个月前

Dear Africans. I know you think we are cowards. You think we have allowed Mnangagwa to rule with impunity. This is is what we face. We have been facing this for the past 45 years. The problem is, we have been doing it peacefully but met with live bullets. SADC & AU are OK with us being killed. A time will come when we are going to pick matchets and guns and chop each other like what happened in Rwanda. SADC and AU will condemn us as barbarians. Millions of us have left our country not because we desire to be in your countries. We cannot live under this perpetual suffocation. Now we see that South Africans are tired of us. We don't want to be in your countries. We want to be in Zimbabwe. We have asked your presidents to restrain this rabid junta led by Mnangagwa but none of them has tried. We tried elections and we all saw what happened. We are at the end of out wits. and about to snap. If any of you can convince your governments to give us guns and a forest, you will see that we are not cowards.

Dear Africans. I know you think we are cowards. You think we have allowed Mnangagwa to rule with impunity. This is is what we face. We have been facing this for the past 45 years. The problem is, we have been doing it peacefully but met with live bullets. SADC & AU are OK with us being killed. A time will come when we are going to pick matchets and guns and chop each other like what happened in Rwanda. SADC and AU will condemn us as barbarians. Millions of us have left our country not because we desire to be in your countries. We cannot live under this perpetual suffocation. Now we see that South Africans are tired of us. We don't want to be in your countries. We want to be in Zimbabwe. We have asked your presidents to restrain this rabid junta led by Mnangagwa but none of them has tried. We tried elections and we all saw what happened. We are at the end of out wits. and about to snap. If any of you can convince your governments to give us guns and a forest, you will see that we are not cowards.

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First batch of our proud Ghanaian people have arrived home. Dear South Africans, we are Ghana and we a proud nation. We are not a downtrodden people like you want the world to believe. We are a sovereign independent people. And I mean independent with our lands in the hands of indigenous black Ghanaians, not European occupiers and structural subjugators you refuse to see as the real cause of your problems. We hope you have zero problems going forward.

First batch of our proud Ghanaian people have arrived home. Dear South Africans, we are Ghana and we a proud nation. We are not a downtrodden people like you want the world to believe. We are a sovereign independent people. And I mean independent with our lands in the hands of indigenous black Ghanaians, not European occupiers and structural subjugators you refuse to see as the real cause of your problems. We hope you have zero problems going forward.

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13,327 次观看 • 3 个月前

Good evening, Our second studio album, The Clod, comes out next Saturday, 20 May, at 21:00 on all digital streaming platforms. The first batch of physical preorders will go out next week. Thank you for bearing with us throughout the long wait. We appreciate all your patience.

Good evening, Our second studio album, The Clod, comes out next Saturday, 20 May, at 21:00 on all digital streaming platforms. The first batch of physical preorders will go out next week. Thank you for bearing with us throughout the long wait. We appreciate all your patience.

No Party For Cao Dong

34,888 次观看 • 3 年前

The very first batch of Nukit Lanterns off the line this month went to protect the workers themselves. We now have Far-UVC in all working and common areas. Nukit is the first company in the world to protect its workers first- so they can protect you, with safe, effective, 222nm Far-UVC light.

The very first batch of Nukit Lanterns off the line this month went to protect the workers themselves. We now have Far-UVC in all working and common areas. Nukit is the first company in the world to protect its workers first- so they can protect you, with safe, effective, 222nm Far-UVC light.

Nukit

26,562 次观看 • 1 年前

Second batch of Actor’s Truth, and the masks keep coming off. Every time I walk in, I peel another layer the one I show the world, the one I hide even from myself. Truth is harder to find than any performance. But I’m running behind it anyway, chasing the version of me with nothing left to hide. Grateful to Saurabh Sachdeva sir for a space that doesn’t let you act, only feel. This is just the second batch. But I can already feel myself becoming… real. 🤍

Second batch of Actor’s Truth, and the masks keep coming off. Every time I walk in, I peel another layer the one I show the world, the one I hide even from myself. Truth is harder to find than any performance. But I’m running behind it anyway, chasing the version of me with nothing left to hide. Grateful to Saurabh Sachdeva sir for a space that doesn’t let you act, only feel. This is just the second batch. But I can already feel myself becoming… real. 🤍

Poonam Panddey

172,639 次观看 • 2 个月前

Today, we’re sharing the history of Foundation Labs, written from our perspective as founders. What we thought, what we set out to build, and what we learned from six years on the frontier of crypto, culture, commerce, and art. We’re publishing this now while the experience is still fresh. It was important to us that a clear record exists in our own voice, rather than leaving our story to be interpreted by others over time. Our aim is to contribute to the commons. We believe there are many future chapters still to be written with this technology, and we want future founders to be able to reference and build on our experience—to start on second base. We’ll keep this online as a resource for the foreseeable future. To the artists, collectors, investors, and former teammates—thank you for being part of the journey.

Today, we’re sharing the history of Foundation Labs, written from our perspective as founders. What we thought, what we set out to build, and what we learned from six years on the frontier of crypto, culture, commerce, and art. We’re publishing this now while the experience is still fresh. It was important to us that a clear record exists in our own voice, rather than leaving our story to be interpreted by others over time. Our aim is to contribute to the commons. We believe there are many future chapters still to be written with this technology, and we want future founders to be able to reference and build on our experience—to start on second base. We’ll keep this online as a resource for the foreseeable future. To the artists, collectors, investors, and former teammates—thank you for being part of the journey.

kayvon

31,575 次观看 • 6 个月前

A new batch of Hornets is heading to the front lines 🐝 Thank you for your donations, support, and for sharing our content. Glory to Ukraine! 🇺🇦

A new batch of Hornets is heading to the front lines 🐝 Thank you for your donations, support, and for sharing our content. Glory to Ukraine! 🇺🇦

Wild Hornets

34,570 次观看 • 10 个月前

The Salt, with you, may it be! Together with "ARTEMSIL" SE, we have released a batch of iodized salt in special packaging. There are only 500 packs and they're not for sale. You can get it by taking part in the charity fundraiser: #united24

The Salt, with you, may it be! Together with "ARTEMSIL" SE, we have released a batch of iodized salt in special packaging. There are only 500 packs and they're not for sale. You can get it by taking part in the charity fundraiser: #united24

UNITED24

136,330 次观看 • 3 年前

An update for everyone who is not in our Discord... Obviously we are still early in development, and our team has been working hard to release updates for everyone to see. We have a peak at the terrain, which is this picture is based of the North Dakota drift prairie, Great care, time and effort was put into the terrain to create smooth rolling hills, the road network in this region will be challenging, just as it is in real life. From Will The current state of the TIV2 model, which will include a lot more in depth details, From Jlkillen03 The stages of damage to a Blender made house, From Kunahic And how texturing will be used for assets like the interiors! From BSP

An update for everyone who is not in our Discord... Obviously we are still early in development, and our team has been working hard to release updates for everyone to see. We have a peak at the terrain, which is this picture is based of the North Dakota drift prairie, Great care, time and effort was put into the terrain to create smooth rolling hills, the road network in this region will be challenging, just as it is in real life. From Will The current state of the TIV2 model, which will include a lot more in depth details, From Jlkillen03 The stages of damage to a Blender made house, From Kunahic And how texturing will be used for assets like the interiors! From BSP

Severity

18,960 次观看 • 6 个月前

First, on the 17th of May 2025, we started . With Sir Dickson 's push, the likes and retweets from my mutuals and of course the patronage and referrals from my customers, we were able to stabilize the business and even scaled it. Now that has generated enough revenue and of course profit, it is time for the business to start funding itself and to do that we have decided to invest heavily in Branding and Publicity. Ladies and Gentlemen, starting from today, our customers will now receive their packages(mostly the small items like laptops, phones and other mini gadgets) in our branded boxes, cartons, Nylons and gift bags because we understand that presentation and packaging matters. The way the package comes is as important as the quality of the package itself because beyond anything else, when you buy from , you are paying for the full experience. Our goal is to place a product from in almost every home in Nigeria and with your continous patronage and support, we will definitely make that goal come true. We are working on so many things in the background to make the experience and of course every dime you entrust to us completely worth it. We will be making the announcements one at a time as we continue to grow. Thank you to you all once again for your continued support and patronage. We at do not take it for granted.🙏

First, on the 17th of May 2025, we started . With Sir Dickson 's push, the likes and retweets from my mutuals and of course the patronage and referrals from my customers, we were able to stabilize the business and even scaled it. Now that has generated enough revenue and of course profit, it is time for the business to start funding itself and to do that we have decided to invest heavily in Branding and Publicity. Ladies and Gentlemen, starting from today, our customers will now receive their packages(mostly the small items like laptops, phones and other mini gadgets) in our branded boxes, cartons, Nylons and gift bags because we understand that presentation and packaging matters. The way the package comes is as important as the quality of the package itself because beyond anything else, when you buy from , you are paying for the full experience. Our goal is to place a product from in almost every home in Nigeria and with your continous patronage and support, we will definitely make that goal come true. We are working on so many things in the background to make the experience and of course every dime you entrust to us completely worth it. We will be making the announcements one at a time as we continue to grow. Thank you to you all once again for your continued support and patronage. We at do not take it for granted.🙏

Neo Officiall

85,794 次观看 • 23 天前

Many $IREN investors are waiting for an announcement from the company, to remove any doubts around Sweetwater 2 being included in batch zero baseload. At OnlyFrans, we prefer to follow the development facts, and as you can see in the time-lapse from the past 3 weeks, the progress is undeniable. Matching the rendering, the top-view from the satellite shows that the bulk substation earthworks are showing the typical IREN proportions. Roughly 2/3 of the footprint for the 345kV network, and the 1/3 smaller footprint above for the 138kV network. Further to the left, near the top of the image, we can see that the first signs for the two 300MW Primary substations are taking shape. I expect civil works to start in Q4, and after the stormwater works at Sweetwater 1 are done, I expect the main focus of the work to be stormwater management, in parallel with building out the bulk, and primary substations. Needless to say, Sweetwater 2 is batch zero baseload. Sweetwater 2 is an early example of the market moving before the rulebook did. In March 2025, IREN committed roughly $31m to secure 600MW with AEP — ~$51.7k/MW. Nearly a year later, Texas settled on a $50k/MW financial-security benchmark (under CIAC) for large loads entering Batch Zero. This means $IREN and AEP (the interconnecting TDSP for SW2) were already operating with the kind of financial commitment Texas would later require to separate real projects from speculative load requests. In other words: IREN was positioning its projects as real/financially committed rather than speculative well before Batch Zero forced everyone to do it. Think about it, if anyone would be compliant to the batch zero baseload requirements, wouldn't it be the company that had completed CIAC (Contribution in Aid of Construction) a year before it became mandatory for everyone else? I see a site progressing as if it's approved, and a connection progress that was completed before it became common knowledge. And somehow there are people that doubt that IREN will add 600MW of power next year? Now if you are interested to find out what else there is in batch zero baseload from IREN, you know where to go. Long $IREN

Many $IREN investors are waiting for an announcement from the company, to remove any doubts around Sweetwater 2 being included in batch zero baseload. At OnlyFrans, we prefer to follow the development facts, and as you can see in the time-lapse from the past 3 weeks, the progress is undeniable. Matching the rendering, the top-view from the satellite shows that the bulk substation earthworks are showing the typical IREN proportions. Roughly 2/3 of the footprint for the 345kV network, and the 1/3 smaller footprint above for the 138kV network. Further to the left, near the top of the image, we can see that the first signs for the two 300MW Primary substations are taking shape. I expect civil works to start in Q4, and after the stormwater works at Sweetwater 1 are done, I expect the main focus of the work to be stormwater management, in parallel with building out the bulk, and primary substations. Needless to say, Sweetwater 2 is batch zero baseload. Sweetwater 2 is an early example of the market moving before the rulebook did. In March 2025, IREN committed roughly $31m to secure 600MW with AEP — ~$51.7k/MW. Nearly a year later, Texas settled on a $50k/MW financial-security benchmark (under CIAC) for large loads entering Batch Zero. This means $IREN and AEP (the interconnecting TDSP for SW2) were already operating with the kind of financial commitment Texas would later require to separate real projects from speculative load requests. In other words: IREN was positioning its projects as real/financially committed rather than speculative well before Batch Zero forced everyone to do it. Think about it, if anyone would be compliant to the batch zero baseload requirements, wouldn't it be the company that had completed CIAC (Contribution in Aid of Construction) a year before it became mandatory for everyone else? I see a site progressing as if it's approved, and a connection progress that was completed before it became common knowledge. And somehow there are people that doubt that IREN will add 600MW of power next year? Now if you are interested to find out what else there is in batch zero baseload from IREN, you know where to go. Long $IREN

Frans Bakker

102,932 次观看 • 11 天前

President Stubb: We are closer to peace than at any time during the war. But at the same time, we cannot be sure whether Russia is ready for peace. Peace is most often a compromise. We must prepare ourselves for the fact that not all parts of a peace agreement will likely meet our sense of justice. However, we will do everything we can to ensure that Ukraine’s independence, sovereignty, and territorial integrity are preserved. Ukraine is part of a free and democratic Europe now and in the future. We will continue to support Ukraine. We will not tire. We will seek a solution. We will work with our allies to ensure that Russia never again attacks Ukraine.

President Stubb: We are closer to peace than at any time during the war. But at the same time, we cannot be sure whether Russia is ready for peace. Peace is most often a compromise. We must prepare ourselves for the fact that not all parts of a peace agreement will likely meet our sense of justice. However, we will do everything we can to ensure that Ukraine’s independence, sovereignty, and territorial integrity are preserved. Ukraine is part of a free and democratic Europe now and in the future. We will continue to support Ukraine. We will not tire. We will seek a solution. We will work with our allies to ensure that Russia never again attacks Ukraine.

Anton Gerashchenko

185,422 次观看 • 8 个月前