A Go implementation of Facebook's PDQ
trust-and-safety
pdq
add benchmark
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README.md
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README.md
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Note that outputs from the C++ implementation's example binary and the `pdqhasher` binary provided here may not return hashes that are exactly the same due to
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differences in resizing libraries. This is expected, see https://github.com/facebook/ThreatExchange/tree/main/pdq#hashing.
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## Benchmark
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```
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❯ go run ./cmd/benchmark --workers 32 --with-resize --duration 10
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CPU: AMD RYZEN AI MAX+ 395 w/ Radeon 8060S
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CPU Cores: 32
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Image Directory: testdata/images
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Duration: 10s
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Workers: 32
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With Resize: true
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With I/O: false
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Results
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=======
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Total Time: 10.011804696s
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Total Hashes: 27999
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Errors: 0
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Throughput: 2796.6 hashes/sec
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Avg Time/Hash: 0.36 ms
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Per Worker: 875.0 hashes
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Per Worker/Sec: 87.4 hashes/sec
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```
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## References
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- [PDQ Algorithm (C++ Reference)](https://github.com/facebook/ThreatExchange/tree/main/pdq)