The Puma Family 16h is a low-power microarchitecture by AMD for its APUs. It succeeds the Jaguar as a second-generation version, targets the same market, and belongs to the same AMD architecture Family 16h. The Beema line of processors are aimed at low-power notebooks, and Mullins are targeting the tablet sector.
Design
The Puma cores use the same microarchitecture as Jaguar, and inherits the design:
- Out-of-order execution and Speculative execution, up to 4 CPU cores
- Two-way integer execution
- Two-way 128-bit wide floating-point and packed integer execution
- Integer hardware divider
- Puma does not feature clustered multi-thread (CMT), meaning that there are no "modules"
- Puma does not feature Heterogeneous System Architecture or zero-copy
- 32 KiB instruction 32 KiB data L1 cache per core
- 1–2 MiB unified L2 cache shared by two or four cores
- Integrated single channel memory controller supporting 64bit DDR3L
- 3.1 mm2 area per core
Instruction set support
Like Jaguar, the Puma core has support for the following instruction sets and instructions: MMX, SSE, SSE2, SSE3, SSSE3, SSE4a, SSE4.1, SSE4.2, AVX, F16C, CLMUL, AES, BMI1, MOVBE (Move Big-Endian instruction), XSAVE/XSAVEOPT, ABM (POPCNT/LZCNT), and AMD-V.
Improvements over Jaguar
- 19% CPU core leakage reduction at 1.2V
- 38% GPU leakage reduction
- 500 mW reduction in memory controller power
- 200 mW reduction in display interface power
- Chassis temperature aware turbo boost
- Selective boosting according to application needs (intelligent boost)
- Support for ARM TrustZone via integrated Cortex-A5 processor
- Support for DDR3L-1866 memory
Puma
AMD released a revision of the Puma microarchitecture, Puma , which is integrated into the Carrizo-L APU platform.
Features
APU features table
Processors
Desktop/Mobile (Beema)
Tablet (Mullins)
References
External links
- Software Optimization Guide for Family 16h Processors
- 2014 AMD Low-Power Mobile APUs
- Jaguar presentation (video) at ISSCC 2013
- Discussion initiated on RWT forums by Jeff Rupley, Chief Architect of the Jaguar core
- BKDG for Family 16h Models 00h-0Fh Processors
- Revision Guide for Family 16h Models 00h-0Fh Processors (Jaguar)
- Revision Guide for Family 16h Models 30h-3Fh Processors (Puma)
