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1 November 11, 2015 GAME CHANGING DESIGN Shlomit Weiss – VP Platform Engineering Group, Intel corp. 1
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2 November 11, 2015 Short History Frequency Wi Fi Performance Low Power High Performance
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3 November 11, 2015 Conflicting requirements
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4 November 11, 2015 Global Team 4
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5 November 11, 2015 Principles of parallel optimization Define targets for each parameters in clear measureable way – At SOC level, block level when relevant For each milestone check all vectors – Need tools / systematic ways to check status Power –Cdyn, frequency, cost-area, execution schedule Convergence done by iterations Clear tradeoffs (the simpler that each designer can do) – 1:2 performance / power (most difficult) – Can not go back in frequency for features Do not make decisions without understating the impact on the conflicting vector 5
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6 November 11, 2015 Best User Experience with Lowest Power Enable sleep states for SOC and platform components (C-states) – Deeper sleep more power saving=> close every transistor – Need fast weak up => smart weak up algorithms – Complex platform dependency Design techniques: – Independent power plans – Fine grain clock gating 6 VCC Core (Gated) VCC Core (Gated) VCC Core (Gated) VCC Core (Gated) VCC Core (ungated) VCC SA Processor Graphics Slices and fixed function VCC Periphery Note: Not to scale
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7 November 11, 2015 7 Best User Experience with Lowest Power C0 P1 C0 P2 C0 P0 C2 C3 C4 C1 Time Power [W] Energy – performance states – P0 highest performance – P1, P2… energy efficient lower performance – C-states – low power sleep states Design Techniques: – Independent frequency for different functional blocks – Intel Turbo Boost and Speed Shift Technology autonomous controls Very high dynamic power range 4.5W 180W
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8 November 11, 2015 Results – 6 th Generation Core: Best Processor Ever 8 Up to 3x longer battery life 3 10 hours full HD Video playback Up to 2.5X faster performance 1 Up to 30x graphics improvement 2 1Source: Intel Corporation. Based on SySmark 2014 scores comparing Intel® Core™ i5-6200U and Intel® Core™ i5-520UM. See Appendix for configurations 2Source: Intel Corporation. Based on 3DMark Cloud Gate Gfx scores comparing Intel® Core™ i5-6200U and Intel® Core™ i5-520UM. See Appendix for configurations 3Source: Intel Corporation. Based on local HD video playback score comparing Intel® Core™ i5-6200U and Intel® Core™ i5-520UM. See Appendix for configurations Most scalable design ranging parts : Power – 4.5W to 91W => 20x scaling Package – 4X 20x16.5 to 37.5x37.5 => 4x scaling Many SKU enable in parallel => 5 SKUs in first launch
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