fad1083873
The injector system uses a bloom filter to determine if a token is possibly defined in the node injector tree, which is stored across multiple bloom buckets that each represent 32 bits of the full 256-bit wide bloom hash. This means that a computation is required to determine the exact bloom bucket which is responsible for storing any given 32-bit interval, which was previously computed using three bitmask operations and three branches to derive the bloom bucket offset. This commit exploits the observation that all bits beyond the low 5 bits of the bloom hash are an accurate representation for the bucket offset, if shifted right such that those bits become the least significant bits. This reduces the three bitmask operations and three branches with a single shift operation, while additionally offering a code size improvement. PR Close #40489 |
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README.md
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