Performance Throughput Improves until T > C+S Worst case URPC latency for one T=1, C=1, S = 0 is 375 microseconds (2 processor reallocations and 2 kernel invocations) Similar setup, LRPC call latency is 157 microseconds Reasons: – URPC requires two level scheduling – URPC 's low level scheduling is done by LRPC
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