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Consider a memory system with a level 1 cache of 32 KB and DRAM of 512 MB with the processor operating at 1 GHz. The latency to L1 cache is one cycle and the latency to DRAM is 100 cycles. In each memory cycle, the processor fetches four words (cache line size is four words). What is the peak achievable performance of a dot product of two vectors? Note: Where necessary, assume an optimal cache placement policy. /* dot product loop */ for (i = 0; i < dim; i++) dot_prod += a[i] * b[i] Now consider the problem of multiplying a dense matrix with a vector using a two-loop dot-product formulation. The matrix is of dimension 4K x 4K. (Each row of the matrix takes 16KB of storage.) What is the peak achievable performance of this technique using a two-loop dot-product based matrix-vector product? /* matrix vector product loop */ for (i=0; i< dim; j++) c[i] += a[i][j] * b[j];
Describe the factors which would contribute to you having greater trust in e-business. Do you look for trust seals when shopping online?
Why is it significant to control changes to asset baselines? Explain why is labeling process approached hierarchically?
A network analyzer displays the following IP datagram that carries a UDP segment. Use the IP and UDP headers to answer the following questions
Identify and explain some different types of risks that a network environment might face.
Which of the following is not true about public inheritance?
Generate the intermediate code for the following expression assuming the usual rules concerning parentheses, precedence and associativity. Be sure to reuse temporaries as soon as possible: x + (5 - y) * z - 1
Write down most significant factors contributing to MMCC's success with its new, secure, self-managed network? Describe the reasons for your choices.
You are the data transformation specialist for the first data warehouse project in an airlines company. Prepare a project task list to include all the detailed tasks needed for data extraction and transformation.
Identify organizations that may be susceptible to each type of attack and explain what the perpetrators might hope to gain by infiltrating their systems.
In developed countries and some less developed countries, computers and Internet access are available in schools. Is the "Digital Divide" likely to last more than one generation?
Compare and contrast the following, in terms of cores (or microprocessors), random access memory (RAM), disk storage, and networking capabilities. Supercomputers, Mainframe computers , Desktop, computers, Laptops, Handheld computers
The order of a leaf node in a B+ tree is the maximum number of pairs it can hold. Given that the block size is 1K bytes, data record pointer is 7 bytes long, the value field is 9bytes long and a block pointer is 6bytes long, what is the order of t..
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