| 21. | It also contains two read buffers and one write buffer for streaming data to the execution units.
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| 22. | These four bits specify whether can be issued together and which execution unit they are executed by.
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| 23. | In keeping with the extremely Spartan design philosophy, for the SPU no execution units are multiply provisioned.
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| 24. | Execution units are also essential to microarchitecture.
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| 25. | The execution units consist of two integer units, address units, floating-point units ( FPUs ), memory units.
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| 26. | Additionally, modern CPUs'execution units are usually pipelined.
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| 27. | The disadvantage for CMT is a greater number of idle integer execution units in a single threaded case.
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| 28. | To feed the execution units with instructions and data, there is a 16 KB two-way set virtual addresses.
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| 29. | The choice of the number of execution units, their latency and throughput is a central microarchitectural design task.
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| 30. | Integer instructions are executed in three integer execution units ( termed " fixed-point units " by IBM ).
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