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Ran 22 Feb 2021 07:28PM UTC

Files 433

Run time 1min

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Committed 22 Feb 2021 07:07PM UTC coverage: 87.8% (+0.05%) from 87.754%

Job # GRADLE_OPTS=-Xmx512m LDFLAGS=-L/tmp/protobuf/lib CXXFLAGS=-I/tmp/protobuf/include LD_LIBRARY_PATH=/tmp/protobuf/lib

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push

travis-ci

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web-flow

Commit Message

xds: implement simple safe and allocation-free xx_hash (#7912)

Implement a simple allocation-free xx_hash utility class without using sun.misc.Unsafe. The hash function mainly targets on xDS use case, which is mostly small strings (endpoint address, headers, etc) and primitive types.

In gRPC's use case, string characters need to be treated as ASCIIs to make the produced hash values match other implementations (Envoy, gRPC-Go, C-core, etc) would produce.

The hashing implementation and tests are borrowed from OpenHFT's XxHash implementation (https://github.com/OpenHFT/Zero-Allocation-Hashing/blob/master/src/main/java/net/openhft/hashing/XxHash.java, see commit 658079a50), which is under Apache 2.0 license. For more details, see https://github.com/OpenHFT/Zero-Allocation-Hashing.

The code is made to be in third_party directory with LISENCE and NOTICE files.

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26168 of 29804 relevant lines covered (87.8%)

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