Porting Architecture Specific C/C++ Intrinsics to Graviton

• sse2neon

  7 1,224 7.3 C++

  A translator from Intel SSE intrinsics to Arm/Aarch64 NEON implementation

  

The sse2neon project is a quick way to get C/C++ applications compiling and running on Graviton. The sse2neon header file provides NEON implementations for x64 intrinsics so no source code changes are needed. Each function call (intrinsic) is simply replaced with NEON instructions and will just work on Graviton.

• aws-graviton-getting-started

  62 814 8.5 Python

  Helping developers to use AWS Graviton2 and Graviton3 processors which power the 6th and 7th generation of Amazon EC2 instances (C6g[d], M6g[d], R6g[d], T4g, X2gd, C6gn, I4g, Im4gn, Is4gen, G5g, C7g[d][n], M7g[d], R7g[d]).

  

I always point people to Getting started with AWS Graviton as a good place to find useful migration information and other helpful tips.

• InfluxDB

  www.influxdata.com sponsored

  Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

  

• porting-advisor

  1 18 10.0 Python

  Scans for potential unported or non-portable code in source code trees.

  

Another tool which may be useful is aarch64 Porting Advisor. It is a quick way to identify architecture specific code. Porting Advisor is not needed for the simple example presented above, but if there are architecture specific intrinsics hiding deep in a larger project it can help find them.

• KasmVNC

  47 2,410 7.9 C++

  Modern VNC Server and client, web based and secure

  

$ git clone https://github.com/kasmtech/KasmVNC.git $ porting-advisor KasmVNC | Elapsed Time: 0:00:00 413 files scanned. KasmVNC/common/rfb/scale_sse2.cxx: 55 other issues KasmVNC/common/rfb/scale_sse2.cxx:74 (SSE2_halve): architecture-specific intrinsic: _mm_loadu_si128 KasmVNC/common/rfb/scale_sse2.cxx:75 (SSE2_halve): architecture-specific intrinsic: _mm_loadu_si128 KasmVNC/common/rfb/scale_sse2.cxx:62 (SSE2_halve): architecture-specific intrinsic: _mm_set_epi32 KasmVNC/common/rfb/scale_sse2.cxx:63 (SSE2_halve): architecture-specific intrinsic: _mm_set_epi32 KasmVNC/common/rfb/scale_sse2.cxx:64 (SSE2_halve): architecture-specific intrinsic: _mm_set_epi32 KasmVNC/common/rfb/scale_sse2.cxx:61 (SSE2_halve): architecture-specific intrinsic: _mm_setzero_si128 KasmVNC/common/rfb/scale_sse2.cxx:78 (SSE2_halve): architecture-specific intrinsic: _mm_unpackhi_epi8 KasmVNC/common/rfb/scale_sse2.cxx:80 (SSE2_halve): architecture-specific intrinsic: _mm_unpackhi_epi8 KasmVNC/common/rfb/scale_sse2.cxx:77 (SSE2_halve): architecture-specific intrinsic: _mm_unpacklo_epi8 KasmVNC/common/rfb/scale_sse2.cxx:79 (SSE2_halve): architecture-specific intrinsic: _mm_unpacklo_epi8 Use --output FILENAME.html to generate an HTML report.

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