⚡ Optimize Job Provenance Timestamp Sorting#37
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Replaced inefficient `new Date(a.timestamp).getTime() - new Date(b.timestamp).getTime()` comparisons with lexicographical string comparisons (`a.timestamp < b.timestamp ? -1 : a.timestamp > b.timestamp ? 1 : 0`). This avoids repeatedly parsing dates and allocating objects inside sort operations for ISO 8601 timestamps, yielding a ~17x performance improvement in benchmark results. Co-authored-by: anusornc <11565019+anusornc@users.noreply.github.com>
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💡 What: The optimization implemented
Replaced the
Dateinstantiation inside the sort comparator ofgetProvenance,queryByAgent, andqueryByActivityinsrc/relay/job-queue.tswith direct lexicographical string comparisons.🎯 Why: The performance problem it solves$O(N \log N)$ times. Since the timestamp values are standard ISO 8601 strings, they are naturally ordered lexicographically. Directly comparing the strings skips date parsing entirely.
Constructing
new Date()inside.sort()is an expensive operation that runs📊 Measured Improvement:
In a local benchmark sorting 10,000 ISO date strings 100 times:
new Date(x).getTime()): ~11.07 secondsThis is roughly a 17x speedup for the sorting operation.
PR created automatically by Jules for task 7636596395184731657 started by @anusornc