13 Matching Annotations
- Oct 2019
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static.docs.arm.com static.docs.arm.com
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ARM Architecture Reference Manual
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- Sep 2018
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falstaff.agner.ch falstaff.agner.ch
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www.96boards.org www.96boards.org
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Annotators
URL
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- Jul 2018
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kclpure.kcl.ac.uk kclpure.kcl.ac.uk
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Integrating‘Omics’Approaches to PrioritizeNew PathogeneticMechanisms for MentalDisorders
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- Oct 2016
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infocenter.arm.com infocenter.arm.com
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ADD Vd.4S, Vn.4S, Vm.4S
和之前32bit neon对比,将操作类型和个数放到了操作数部分,不再通过指令区分
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silver.arm.com silver.arm.com
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Only load and store instructions access memory.
想读写内存智能用load和store
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[r1]
中括号表示取地址
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- Mar 2016
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infocenter.arm.com infocenter.arm.com
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The latencies shown assume the memory access hits in the Level 1 Data Cache
命中L1 cache的情况下latency还有4,所以一定要把load都统一放前面一点儿。
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localhost:8889 localhost:8889
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6 - (3 × 5) = -10
saturation这个地方需要注意
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Vectorizing examples
很有用的方法论,如何向量化code
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VFP unit is therefore sometimes referred to as the Floating Point Unit (FPU)
gcc那个mfpu选项就是这个含义了
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The ARMv6 architecture introduced a small set of SIMD instructions that operate on multiple 16-bit or 8-bit values packed into standard 32-bit ARM general-purpose register
除了在neon的寄存器,还可以直接在arm的寄存器上进行SIMD
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community.arm.com community.arm.com
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lanes
都喜欢用lanes来描述
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