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Posts Tagged ‘AMD’

AMD Tweaking Radeon Drivers To Reduce Frame Latency Spikes

January 2nd, 2013 01:11 admin View Comments

AMD

crookedvulture writes “Slashdot has previously covered The Tech Report’s exposure of frame latency issues with recent AMD graphics processors. Both desktop and notebook Radeons exhibit frame latency spikes that interrupt the smoothness of in-game animation but don’t show up in the FPS averages typically used to benchmark performance. AMD has been looking into the problem and may have discovered the culprit. The Graphics Core Next architecture underpinning recent Radeons is quite different from previous designs, and AMD has been rewriting the memory management portion of its driver to properly take advantage. This new code improves frame latencies, according to AMD’s David Baumann, and the firm has accelerated the process of rolling it into the official Catalyst drivers available to end users. Radeon owners can take some comfort in the fact that a driver update may soon alleviate the frame latency problems associated with AMD’s latest GPUs. However, they might also be disappointed that it’s taken AMD this long to optimize its drivers for the now year-old GCN architecture.”

Source: AMD Tweaking Radeon Drivers To Reduce Frame Latency Spikes

First Radeon HD 8000M GPU Benchmarked

December 21st, 2012 12:39 admin View Comments

AMD

J. Dzhugashvili writes “As Slashdot noted earlier this week, AMD has a new line of mid-range Radeon GPUs aimed at notebooks. The chips are based on the Graphics Core Next microarchitecture, and they’re slated to show up in systems early next year. While the initial report was limited to specification details, the first review of the Radeon HD 8790M is now out, complete with benchmark data from the latest games. The 8790M is about 35% smaller than its 7690M predecessor but offers substantially better gaming performance across the board. Impressively, the new chip has similar power draw as the outgoing model under load, and its idle power consumption is slightly lower. Notebook makers should have no problems making the switch. However, it is worth noting that this new mobile GPU exhibits some of the same frame latency spikes observed on desktop Radeons, including in games that AMD itself has sponsored.”

Source: First Radeon HD 8000M GPU Benchmarked

AMD Unveils Preliminary Radeon HD 8000M Series Mobile GPU Details

December 17th, 2012 12:11 admin View Comments

AMD

MojoKid writes “AMD has just released some preliminary information regarding the company’s upcoming Radeon HD 8000M series of mobile GPUs. Based on the naming convention alone, it may obvious that the Radeon HD 8000M series is AMD’s second generation of products featuring the GCN (Graphics Core Next) architecture, which debuted in the Radeon HD 7000 series. Like its predecessors, the Radeon HD 8000M series targets gamers with full DirectX 11.1 support and improved gaming performance over the previous-gen, but the architecture also lends itself to GPU compute applications as well. The Radeon HD 8500M sports 384 Stream Processors with an Engine Clock up to 650MHz. Memory clocks will vary based on the use of GDDR3 or GDDR5 memory. The Radeon HD 8600M is essentially the same, but with a slightly higher Engine Clock up to 775MHz. The Radeon HD 8700M is also based on the same GPU, but will be clocked at up to 850MHz, for a further increase in performance over the 8600M. The Radeon HD 8800M series, however, is based on a larger, more powerful chip and will sport 640 Stream Processors with an engine clock of up to 700MHz. GDDR5 memory will be used exclusively with 8800M, at speeds up to 1125MHz. It will be interesting to see how these new GPUs stack up versus NVIDIA’s latest GeForce 600M series of mobile chips.”

Source: AMD Unveils Preliminary Radeon HD 8000M Series Mobile GPU Details

Frame Latency Spikes Plague Radeon Graphics Cards

December 12th, 2012 12:48 admin View Comments

AMD

crookedvulture writes “AMD is bundling a stack of the latest games with graphics cards like its Radeon HD 7950. One might expect the Radeon to perform well in those games, and it does. Sort of. The Radeon posts high FPS numbers, the metric commonly used to measure graphics performance. However, it doesn’t feel quite as smooth as the competing Nvidia solution, which actually scores lower on the FPS scale. This comparison of the Radeon HD 7950 and GeForce 660 Ti takes a closer look at individual frame latencies to explain why. Turns out the Radeon suffers from frequent, measurable latency spikes that noticeably disrupt the smoothness of animation without lowering the FPS average substantially. This trait spans multiple games, cards, and operating systems, and it’s ‘raised some alarms’ internally at AMD. Looks like Radeons may have problems with smooth frame delivery in new games despite boasting competitive FPS averages.”

Source: Frame Latency Spikes Plague Radeon Graphics Cards

AMD Introduces New Opterons

December 5th, 2012 12:50 admin View Comments

AMD

New submitter Lonewolf666 writes “According to SemiAccurate, AMD is introducing new Opterons that are essentially ‘Opteron-ized versions of Vishera.’ TDPs are lower than in their desktop products, and some of these chips may be interesting for people who want a cool and quiet PC.” And on the desktop side, ZDNet reports that AMD will remain committed to the hobbyist market with socketed CPUs.

Source: AMD Introduces New Opterons

AMD Hires Bank To Explore Sale Options

November 13th, 2012 11:02 admin View Comments

AMD

Dainsanefh tips this report from Reuters: “Advanced Micro Devices has hired JPMorgan Chase & Co to explore options, which could include a potential sale, as the chipmaker struggles to find a role in an industry increasingly focused on mobile and away from traditional PCs, according to three sources familiar with the situation. … Some investors believe part or all of AMD could be bought by a technology company that might want to emulate Apple Inc’s tight control of software and components, a strategy credited in part for the success of the iPad and iPhone. Microsoft Corp, Google Inc, Samsung Electronics, Intel Corp and even Facebook Inc have been suggested by Wall Street analysts as potential suitors that could benefit from some of AMD’s chip business, including its graphics division, PC processors and server chips. Others say AMD’s most valuable asset may be its deep bench of engineers or its patents.”

Source: AMD Hires Bank To Explore Sale Options

NVIDIA and AMD Launch New High-End Workstation, Virtualization, and HPC GPUs

November 12th, 2012 11:18 admin View Comments

Graphics

MojoKid writes “Nvidia is taking the wraps off a new GPU targeted at HPC and as expected, it’s a monster. The Nvidia K20, based on the GK110 GPU, weighs in at 7.1B transistors, double the previous gen GK104′s 3.54B. The GK110 is capable of pairing double-precision operations with other instructions (Fermi and GK104 couldn’t) and the number of registers each thread can access has been quadrupled, from 63 to 255. Threads within a warp are now capable of sharing data. K20 also supports a greater number of atomic operations and brings new features to the table including Dynamic Parallelism. Meanwhile, AMD has announced a new FirePro graphics card at SC12 today, and it’s aimed at server workloads and data center deployment. Rumors of a dual-core Radeon 7990 have floated around since before the HD 7000 series debuted, but this is the first time we’ve seen such a card in the wild. On paper, AMD’s new FirePro S10000 is a serious beast. Single and double-precision rates at 5.9 TFLOPS and 1.48 TFLOPS respectively are higher than anything from Intel or Nvidia, as is the card’s memory bandwidth. The flip side to these figures, however, is the eye-popping power draw. At 375W, the S10000 needs a pair of eight-pin PSU connectors. The S10000 is aimed at the virtualization market with its dual-GPUs on a single-card offering a good way to improve GPU virtualization density inside a single server.” My entire computer uses less power than one of these cards.

Source: NVIDIA and AMD Launch New High-End Workstation, Virtualization, and HPC GPUs

NVIDIA and AMD Launch New High-End Workstation, Virtualization, and HPC GPUs

November 12th, 2012 11:18 admin View Comments

Graphics

MojoKid writes “Nvidia is taking the wraps off a new GPU targeted at HPC and as expected, it’s a monster. The Nvidia K20, based on the GK110 GPU, weighs in at 7.1B transistors, double the previous gen GK104′s 3.54B. The GK110 is capable of pairing double-precision operations with other instructions (Fermi and GK104 couldn’t) and the number of registers each thread can access has been quadrupled, from 63 to 255. Threads within a warp are now capable of sharing data. K20 also supports a greater number of atomic operations and brings new features to the table including Dynamic Parallelism. Meanwhile, AMD has announced a new FirePro graphics card at SC12 today, and it’s aimed at server workloads and data center deployment. Rumors of a dual-core Radeon 7990 have floated around since before the HD 7000 series debuted, but this is the first time we’ve seen such a card in the wild. On paper, AMD’s new FirePro S10000 is a serious beast. Single and double-precision rates at 5.9 TFLOPS and 1.48 TFLOPS respectively are higher than anything from Intel or Nvidia, as is the card’s memory bandwidth. The flip side to these figures, however, is the eye-popping power draw. At 375W, the S10000 needs a pair of eight-pin PSU connectors. The S10000 is aimed at the virtualization market with its dual-GPUs on a single-card offering a good way to improve GPU virtualization density inside a single server.” My entire computer uses less power than one of these cards.

Source: NVIDIA and AMD Launch New High-End Workstation, Virtualization, and HPC GPUs

AMD Closes OSRC, Lays Off Several Linux Kernel Developers

November 7th, 2012 11:05 admin View Comments

AMD

From the H reporting on LinuxCon Europe comes news that several Linux kernel developers have been laid off by AMD as part of its workforce reduction. From the article: OSRC staff primarily worked to develop the Linux support for AMD’s server processors, but they also wrote code and extensions for related desktop and notebook CPUs – for example, they looked after the code to support CPU frequency scaling for the PowerNow and Turbo Core technologies. While working on the kernel’s IOMMU and KVM support, one of AMD’s former employees contributed to the development of the “IOMMU groups” feature that was integrated into Linux 3.6; this feature provides the basis for a new Linux 3.6 technology that allows a host’s PCIe devices to be passed through to virtual machines and can also be used with Intel CPUs.” Looks like the group was doing interesting research on hypervisors, lockless data structures, and multi-core synchronization primitives among other things. The Open Source Radeon driver developers are not affected by this at least.

Source: AMD Closes OSRC, Lays Off Several Linux Kernel Developers

AMD Launches Piledriver-Based 12 and 16-Core Opteron 6300 Family

November 5th, 2012 11:54 admin View Comments

AMD

MojoKid writes “AMD’s new Piledriver-based Opterons are launching today, completing a product refresh that the company began last spring with its Trinity APUs. The new 12 & 16-core Piledriver parts are debuting as the Opteron 6300 series. AMD predicts performance increases of about 8% in integer and floating-point operations. With this round of CPUs, AMD has split its clock speed Turbo range into ‘Max’ and ‘Max All Cores.’ The AMD Opteron 6380, for example, is a 2.5GHz CPU with a Max Turbo speed of 3.4GHz and a 2.8GHz Max All Cores Turbo speed.”

Source: AMD Launches Piledriver-Based 12 and 16-Core Opteron 6300 Family

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