Assume we will compute C on a shared memory computer with a single core and a shared memory computer with four cores. Calculate the anticipated performance increase on the four-core computer, ignoring memory considerations.
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Assume we will compute C on a shared memory computer with a single core and a shared memory computer with four cores. Calculate the anticipated performance increase on the four-core computer, ignoring memory considerations.
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- Most Intel CPUs use the __________, in which each memory address is represented by two integers.How does pipelining improve CPU efficiency? What’s the potential effect on pipelining’s efficiency when executing a conditional BRANCH instruction? What techniques can be used to make pipelining more efficient when executing conditional BRANCH instructions?Assume we will compute C on a shared memory computer with a single core and a shared memory computer with four cores. Calculate the anticipated performance increase on the four-core computer, ignoring memory considerations.
- Assume that we are going to compute C on both a computer with a single core and shared memory as well as a computer with four cores and shared memory. Calculate the anticipated increase in performance using the machine with four cores, ignoring any potential memory issues.Assume that we are going to compute C on both a single core shared memory machine and a 4-core shared-memory machine. Compute the speedup we would expect to obtain on the 4-core machine, ignoring any memory issues.For a microprocessor to operate, let assume that it requires 2MB of RAM and 7MB of ROM. What is the minimum number of address lines the microprocessor must support? Draw a memory map of the system, assuming that the addresses for the RAM are below the addresses for the ROM.
- Please let me know if these are true or false! In multiprocessors with a shared physical main memory, an access to a word of main memory always takes about the same amount of time no matter which word is being accessed and by which processor: T/F? When reading data from a magnetic disk, the rotational latency increases linearly with the size of the request: T/F? SSD is faster to access than magnetic disk, but slower than DRAM main memory: T/F? The primary purpose of RAID is for data backups: T/F? Typically, data parallelism offers greater opportunities for achieving highly-parallel execution than does functional parallelism: T/F? In MIPS systems, one way to implement locks is with the MIPS test-and-set machine language instruction: T/F?CS & IT Suppose you wish to run a program P with 24.5 x 10 9 instructions on a 8 GHz ww machine with a CPI of 0.60. What is the expected CPU time to execute this program on this machine?A computer employs RAM chips of 128 x 8 and ROM chips of 512 x 8. The computer system needs 1K bytes of RAM, 2K bytes of ROM, and two interface units, each with two registers. A memory-mapped 1/0 configuration is used. The two highest-order bits of the 16-bit address bus are assigned 11 for RAM, 10 for ROM, and 01 for interface registers.a. How many RAM and ROM chips are needed?b. Draw a memory-address map for the system.c. Give the address range in hexadecimal for RAM, ROM, and interface
- The use of transistors in the construction of RAM and ROM leads me to believe that there is no need for cache memory.The term "temporary storage" may also be thought of as "random access memory" (RAM) that is momentarily vacant. Imagine a machine that only had one kind of memory—is it even possible?On the Motorola 68020 microprocessor, a cache access takes two clock cycles. Data access from main memory over the bus to the processor takes three clock cycles in the case of no wait state insertion; the data are delivered to the processor in parallel with delivery to the cache. a. Calculate the effective length of a memory cycle given a hit ratio of 0.9 and a clocking rate of 16.67 MHz. b. Repeat the calculations assuming insertion of two wait states of one cycle each per memory cycle. What conclusion can you draw from the results?Suppose that the CPU is tasked to read data "X" from RAM with an address "C7FFF" and write the same data to RAM with an address "C8FFF" to replace data "Y." Describe in your own words how data X overwrites Y in RAM.