Mobile processor manufacturer ARM on Monday announced the second generation of its Mali T-600 family of graphics processor units (GPUs), based on ARM's Midgard architecture.
The new chips represent the second generation of Mali-T600 processors; the first was announced in November.
"The graphics demands in smartphones, tablets and DTVs continue to accelerate," Steve Steele, senior product manager at ARM, told TechNewsWorld.
"GPU technology typically moves faster than CPU technology," Rob Enderle, principal analyst at the Enderle Group, told TechNewsWorld.
About the Sons of Mali
The ARM Mali-T600 series consists of three GPUs for smartphones, tablets and smart TVs: the T624, T628 and T678. The first two are for smartphones and smart TVs; the T678 has been optimized for tablets.
The Mali-T624 offers up to four cores, and the other two up to eight cores. The second generation Mali-T600 family offers 50 percent better performance than its predecessor, ARM said. This was achieved by optimizing the register transfer level and implementing microarchitectural improvements for more efficient graphics execution.
GPU computing capabilities allow computational methods of enhancing or extending digital photography, such as enabling multiple perspectives on a subject and real-time photo editing on mobile devices. They also allow photo editing and video stabilization to be offered for a wider variety of consumer products.
ARM expects products with first-generation Mali-T600 cores in the market before the end of this year, the company's Steele said. Products with the second-generation GPUs will be available in Q3 of 2013.
Working With the CPUs
The new Mali-T600 family is the first series of GPUs to include ARM's Adaptive Scalable Texture Compression (ASTC).
ASTC gives content developers better control over the tradeoff between space and quality inherent in lossy compression schemes. Designers can pick among a wide choice of input formats without having to support multiple different compression schemes. It optimizes GPU performance and increases battery life in devices, enabling an always-on, always-connected experience, ARM said.
"Given the heavy focus on ever higher graphics generally, the GPU is now as power-hungry as the CPU or more power-hungry, and it controls the screen, which is the most power-hungry part of the device," Enderle said.
The Mali-T600 CPUs support the major compute application programming interfaces to perform GPU computing for more efficient execution of parallel-intensive tasks.
"This is really about the GPU and CPU working together to more efficiently handle the compute workload," Craig Stice, a senior principal analyst at IHS iSuppli, told TechNewsWorld. "They balance tasks, allowing performance of the right task by the most efficient architecture."
Tuesday, August 7, 2012
Computer training venues
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Sunday, November 13, 2011
Yahoo Gives the iPad the Power to Understand TV
A new iPad app from Yahoo can recognize any TV show by listening to the audio, and automatically serve up related Web content, such as news stories related to a news broadcast or play-by-play stats for a ballgame.
The app, called IntoNow, is a refreshed and improved version of technology that Yahoo acquired by buying a startup with the same name. When the company was swallowed by Yahoo in May, it was only able to share information over Facebook and Twitter about what show a user was watching. By using Yahoo technology that can recognize the meaning of text, the IntoNow version released today is much more capable, says Adam Cahan, who founded IntoNow and is now a Yahoo executive.
"This technology actually understands the 'aboutness' of the show," Cahan said at a Yahoo press event. He showed the app automatically pulling up a list of Yahoo news content related to a story airing on CNN about an airplane making an emergency landing in Warsaw, Poland. The app also uses its knowledge of the show to find relevant Twitter conversations.
IntoNow identifies TV shows by comparing an audio "fingerprint" of a person's viewing with a vast library of TV audio fingerprints stored on cloud servers. The closed captions for that moment can then be retrieved and fed into Yahoo's technology to determine the meaning of what is currently on screen.
The app, called IntoNow, is a refreshed and improved version of technology that Yahoo acquired by buying a startup with the same name. When the company was swallowed by Yahoo in May, it was only able to share information over Facebook and Twitter about what show a user was watching. By using Yahoo technology that can recognize the meaning of text, the IntoNow version released today is much more capable, says Adam Cahan, who founded IntoNow and is now a Yahoo executive.
"This technology actually understands the 'aboutness' of the show," Cahan said at a Yahoo press event. He showed the app automatically pulling up a list of Yahoo news content related to a story airing on CNN about an airplane making an emergency landing in Warsaw, Poland. The app also uses its knowledge of the show to find relevant Twitter conversations.
IntoNow identifies TV shows by comparing an audio "fingerprint" of a person's viewing with a vast library of TV audio fingerprints stored on cloud servers. The closed captions for that moment can then be retrieved and fed into Yahoo's technology to determine the meaning of what is currently on screen.
Friday, November 11, 2011
Use of Supercritical Water Could Cut Costs for Ethanol
a startup based in Kennesaw, Georgia, is using water at high pressure and temperature to transform wood chips into sugar, which can then be fermented to make biofuels and other chemicals. The company says the process can produce sugar for the same price as making it from sugarcane, which has led to profitable biofuels production in Brazil.
Renmatix is addressing the most difficult step in producing ethanol from abundant cellulosic materials such as wood chips, instead of from corn or sugar crops. Once the sugar is made, the same technology employed in a conventional corn or sugarcane ethanol plant can be used to produce ethanol.
So far, Renmatix has only demonstrated the technology on a small scale, using a facility that can process three tons of wood chips a day. As with all advanced biofuels companies, one of the biggest challenges will be convincing investors to hand over the money needed to build a larger commercial facility to prove the venture is commercially viable. The U.S. Environmental Protection Agency has been forced to waive requirements for cellulosic ethanol because commercial plants for converting cellulosic material to ethanol haven't yet been built. By lowering the cost of producing sugar from cellulosic materials, Renmatix hopes to at last break this logjam.
Researchers and companies have tried many methods of turning cellulose into sugar. Some involve breaking the biomass down using acids or specially tailored enzymes. Others involve using heat and pressure to turn biomass into hydrogen and carbon monoxide, which can be converted to biofuel using inorganic catalysts. Each method has drawbacks: enzymes are expensive; acids are toxic. Both processes are slow, and they require expensive equipment. The processes that use high heat and inorganic catalysts also have relatively low yields of the desired fuels.
Renmatix is addressing the most difficult step in producing ethanol from abundant cellulosic materials such as wood chips, instead of from corn or sugar crops. Once the sugar is made, the same technology employed in a conventional corn or sugarcane ethanol plant can be used to produce ethanol.
So far, Renmatix has only demonstrated the technology on a small scale, using a facility that can process three tons of wood chips a day. As with all advanced biofuels companies, one of the biggest challenges will be convincing investors to hand over the money needed to build a larger commercial facility to prove the venture is commercially viable. The U.S. Environmental Protection Agency has been forced to waive requirements for cellulosic ethanol because commercial plants for converting cellulosic material to ethanol haven't yet been built. By lowering the cost of producing sugar from cellulosic materials, Renmatix hopes to at last break this logjam.
Researchers and companies have tried many methods of turning cellulose into sugar. Some involve breaking the biomass down using acids or specially tailored enzymes. Others involve using heat and pressure to turn biomass into hydrogen and carbon monoxide, which can be converted to biofuel using inorganic catalysts. Each method has drawbacks: enzymes are expensive; acids are toxic. Both processes are slow, and they require expensive equipment. The processes that use high heat and inorganic catalysts also have relatively low yields of the desired fuels.
Wednesday, November 9, 2011
Who Coined 'Cloud Computing'?
Cloud computing is one of the hottest buzzwords in technology. It appears 48 million times on the Internet. But amidst all the chatter, there is one question about cloud computing that has never been answered: Who said it first?
Some accounts trace the birth of the term to 2006, when large companies such as Google and Amazon began using "cloud computing" to describe the new paradigm in which people are increasingly accessing software, computer power, and files over the Web instead of on their desktops.
Some accounts trace the birth of the term to 2006, when large companies such as Google and Amazon began using "cloud computing" to describe the new paradigm in which people are increasingly accessing software, computer power, and files over the Web instead of on their desktops.
Monday, November 7, 2011
Eradicating Aging Cells Could Prevent Disease
For more than a decade, researchers have believed that aging cells damage the tissue around them, and that this damage underlies a number of age-related disorders. Now a new study in mice appears to confirm this. The study shows that selectively eliminating those aging, or "senescent," cells, could help prevent the onset of everything from muscle loss to cataracts.
Senescent cells can no longer divide, and therefore fail to replenish aging tissue. More recently, researchers have suggested that these cells might be secreting damaging chemicals that poison the cells around them. To determine their role in the diseases of aging, scientists at the Mayo Clinic in Rochester, Minnesota, identified senescent cells in mice that had been genetically engineered to age rapidly using a biomarker, called p16Ink4a, specific to these cells. For the length of the animals' lives, they were injected with a drug that induced only those biomarker-containing senescent cells to commit suicide, while leaving others untouched.
The results were striking: in tissues that contained the labeled cells, including everything from fat to muscle to eyes, selective removal appeared to postpone age-related damage. Treated mice had no cataracts, and showed increased muscle mass, strength, and subcutaneous fat when compared to mice that hadn't received the drug.
"We've shown there is a causal link between these senescent cells and age-related decline in tissue function," says Jan van Deursen, the Mayo Clinic cancer researcher who led the study. "It's a proof of principle that if you remove this particular cell type from an organism—we did it in a mouse but it will probably hold true for humans—tissues and organs would function better and would be more resistant to aging."
Senescent cells can no longer divide, and therefore fail to replenish aging tissue. More recently, researchers have suggested that these cells might be secreting damaging chemicals that poison the cells around them. To determine their role in the diseases of aging, scientists at the Mayo Clinic in Rochester, Minnesota, identified senescent cells in mice that had been genetically engineered to age rapidly using a biomarker, called p16Ink4a, specific to these cells. For the length of the animals' lives, they were injected with a drug that induced only those biomarker-containing senescent cells to commit suicide, while leaving others untouched.
The results were striking: in tissues that contained the labeled cells, including everything from fat to muscle to eyes, selective removal appeared to postpone age-related damage. Treated mice had no cataracts, and showed increased muscle mass, strength, and subcutaneous fat when compared to mice that hadn't received the drug.
"We've shown there is a causal link between these senescent cells and age-related decline in tissue function," says Jan van Deursen, the Mayo Clinic cancer researcher who led the study. "It's a proof of principle that if you remove this particular cell type from an organism—we did it in a mouse but it will probably hold true for humans—tissues and organs would function better and would be more resistant to aging."
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