Classifier Instance:

Anchor text: 486
Target Entity: Intel_80486
Preceding Context: In fact, further study of the exact nature of the performance problems turned up a number of interesting facts. One was that the IPC itself was not the problem: there was some overhead associated with the memory mapping needed to support it, but this added only a small amount of time to making a call. The rest, 80% of the time being spent, was due to additional tasks the kernel was running on the messages. Primary among these was the port rights checking and message validity. In benchmarks on an
Succeeding Context: DX-50, a standard UNIX system call took an average of 21μs to complete, while the equivalent operation with Mach IPC averaged 114μs. Only 18μs of this was hardware related; the rest was the Mach kernel running various routines on the message. Given a syscall that does nothing, a full round-trip under BSD would require about 40μs, whereas on a user-space Mach system it would take just under 500μs.
Paragraph Title: null
Source Page: Mach (kernel)

Ground Truth Types:

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Predicted Types:

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yagoGeoEntity-0.8144135239846351 0
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