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Three main goals: core, cache and power.
For the core, having bigger and wider everything was to be expected, however maintaining a low latency can be difficult. Features such as the micro-op cache help most instruction streams improve in performance and bypass parts of potentially long-cycle repetitive operations, but also the larger dispatch, larger retire, larger schedulers and better branch prediction means that higher throughput can be maintained longer and in the fastest order possible. Add in dual threads and the applicability of keeping the functional units occupied with full queues also improves multi-threaded performance.
For the caches, having a faster prefetch and better algorithms ensures the data is ready when each of the caches when a thread needs it. Aiming for faster caches was AMD?s target, and while they are not disclosing latencies or bandwidth at this time, we are being told that L1/L2 bandwidth is doubled with L3 up to 5x.
For the power, AMD has taken what it learned with Carrizo and moved it forward. This involves more aggressive monitoring of critical paths around the core, and better control of the frequency and power in various regions of the silicon. Zen will have more clock regions (it seems various parts of the back-end and front-end can be gated as needed) with features that help improve power efficiency, such as the micro-op cache, the Stack Engine (dedicated low power address manipulation unit) and Move elimination (low-power method for register adjustment - pointers to registers are adjusted rather than going through the high-power scheduler).
Last edited by AKK_K; 9 Dec 2016, 17:47:20.
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นี่แหละครับ มันโยงกันไปหมด ทำไมถึงมาพูดเรื่อง CPU
มองอย่างนี้ครับ
เอา Zen ใส่เข้าไป ตรงที่ๆมันควรจะอยู่
ชัดเลยใช่ไหมครับ
จุดต่าง I3 กับ Zen
With two maxed out teams of AI bots, Overwatch is quite CPU intensive.
That said, while the Core i7 processors were considerably faster than the Core i3
and FX-series processors, it's important to keep in mind that we are testing at 1080p using a GTX 1080.
Therefore, while the Core i3-6100 looks slow in comparison it still maintained over 70fps at all times
and the same is true for the FX-series.
Those with 120Hz or 144Hz monitors will want to ensure that they have a Core i5 or better.
Last edited by AKK_K; 10 Dec 2016, 12:33:29.
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UBISoft
DirectX 12 support will be officially coming to The Division next week
DirectX 12 support will be officially coming to Tom Clancy's The Division next week, as well as improve performance at high resolutions and heavy CPU loads.
This patch should deliver performance improvements to those who use lower end CPUs
and should deliver more DirectX 12 performance optimisations than we have seen in the game's Beta DX12 version,
which we found to deliver a decent performance boost on AMD-powered systems.
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Intel Kaby Lake Core i7-7700K IPC Review
We have now gotten to spend a good amount of time with Intel's new Core i7-7700K processor, codenamed "Kaby Lake".
This processor family is set to be launched at CES next year.
Today we are pushing through a suite of benchmarks to see what Kaby Lake has in store for the enthusiast compared to the 6700K.
The Bottom Line
We have come to expect small advances in Intel IPC over the recent years and we have come to expect nothing from AMD.
Intel has produced some fine silicon and injected excitement into our CPU industry when there were no others to lead.
Thank you for that, it is much appreciated.
As we watch Moore's Law fall, I have expected IPC and core width to be Intel's focus.
Quite frankly, while I have not been impressed with 10% gains in IPC, I have been happy to at least see those.
With Kaby Lake, Intel has just given the big middle finger its fan base,
loyalists, and every hardware enthusiast in the world.
Intel has just told us, we do not matter to its corporate structure any more.
To the enthusiast, Kaby Lake in its Core i7-7700K form is nothing more than what Francois promised two years ago.
I would not spend my money on Kaby Lake simply in protest.
AMD, do we matter? Lisa Su? AMD has a hugely influential and substantial fanbase waiting to wave your flag again.
We all still have that Blue Core Thunderbird and 9700 Pro love in our hearts. We are older now and have lots of money to spend on tech and its toys.
We are established, influential, and well informed, and all our family members and all their friends ask our advice on computer purchasing and then it trickles down.
That is the HardOCP reader profile.
Wouldn't you love to have us once again direct all those purchasing dollars with a comment like, "Just look for the AMD Zen (and beyond) badge and you will be getting a quality product."
If we have learned anything this year, it is that grass roots support is monumental.
God knows us enthusiasts can market better for AMD than Roy Taylor can any day.
AMD, the door is open, give us a reason, please.
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