azure-activedirectory-identitymodel-extensions-for-dotnet
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Published
20 hours ago •
AzureAD
AzureAD
Use Base64.DecodeFromUtf8InPlace
Use Base64.DecodeFromUtf8InPlace for base64 decode
Description
Base64.DecodeFromUtf8InPlace is SIMD aware.
CPU: ~ -12% on token read time
before:
| Method | Mean | Error | StdDev | Median | P90 | P95 | P100 | Gen0 | Allocated |
|---|---|---|---|---|---|---|---|---|---|
| ReadJWS_FromMemory | 3.487 us | 0.0287 us | 0.0612 us | 3.465 us | 3.601 us | 3.604 us | 3.605 us | 0.1068 | 2.67 KB |
| ReadJWS_FromString | 3.492 us | 0.0101 us | 0.0217 us | 3.490 us | 3.524 us | 3.529 us | 3.545 us | 0.1068 | 2.67 KB |
after:
| Method | Mean | Error | StdDev | P90 | P95 | P100 | Gen0 | Allocated |
|---|---|---|---|---|---|---|---|---|
| ReadJWS_FromMemory | 3.068 us | 0.0139 us | 0.0303 us | 3.094 us | 3.117 us | 3.151 us | 0.1068 | 2.67 KB |
| ReadJWS_FromString | 3.076 us | 0.0134 us | 0.0292 us | 3.113 us | 3.121 us | 3.127 us | 0.1068 | 2.67 KB |
Note: this was run with a cpu with the following intrinsics: AVX-512F+CD+BW+DQ+VL+VBMI
