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(Solved) : 3 20 Marks Architecture Implementation Data Scientist Needs Mips Assembly Language Program Q44092186 . . .

3. [20 marks] Architecture and Implementation. A data scientist needs a MIPS assembly-language program for data analysis. He has three arrays of floating-point numbers. Array ‘a’ is a source array, and ‘b’ and ‘c’ are result arrays. Array ‘a’ contains ‘2n’ floating-point numbers. ‘ri’ is the address of ‘a[O]’. ‘r4’ is the address of the byte immediately following ‘a’, i.e., the address of the imaginary element ‘a[2n)’. Each of ‘b’ and ‘c’ can store ‘n’ floating- point numbers. ‘re’ is the address of ‘b[O]’. ‘rg’ is the address of ‘c[n-1]’. The algorithm is: walk through array’a’ copying even-index elements to ‘b’ in ‘b’ order, after multiplying by ‘f2’, and odd-index elements to ‘c’ in reverse order (i.e., from high ‘d’ index to low ‘d’ index), after multiplying by ‘fo’. Write the MIPS code. Use only the following instructions. 1.d f6,n(r2) // load to ‘f6’ eight bytes starting at Mem[r2+n] s.d f6,n(r2) // store f6’s value to memory starting at Mem[r2+n] mul.d f4,f0,f2 // write ‘f0*f2’ into ‘f4’ addi r1,r1,n // add integer ‘n’ to ‘r’ subi r1,r1,n // subtract integer ‘n’ from ‘r1’ bne r1,r2, loop // if ‘r1 /= r2’ then goto ‘loop’ Show transcribed image text 3. [20 marks] Architecture and Implementation. A data scientist needs a MIPS assembly-language program for data analysis. He has three arrays of floating-point numbers. Array ‘a’ is a source array, and ‘b’ and ‘c’ are result arrays. Array ‘a’ contains ‘2n’ floating-point numbers. ‘ri’ is the address of ‘a[O]’. ‘r4’ is the address of the byte immediately following ‘a’, i.e., the address of the imaginary element ‘a[2n)’. Each of ‘b’ and ‘c’ can store ‘n’ floating- point numbers. ‘re’ is the address of ‘b[O]’. ‘rg’ is the address of ‘c[n-1]’. The algorithm is: walk through array’a’ copying even-index elements to ‘b’ in ‘b’ order, after multiplying by ‘f2’, and odd-index elements to ‘c’ in reverse order (i.e., from high ‘d’ index to low ‘d’ index), after multiplying by ‘fo’. Write the MIPS code. Use only the following instructions. 1.d f6,n(r2) // load to ‘f6’ eight bytes starting at Mem[r2+n] s.d f6,n(r2) // store f6’s value to memory starting at Mem[r2+n] mul.d f4,f0,f2 // write ‘f0*f2’ into ‘f4’ addi r1,r1,n // add integer ‘n’ to ‘r’ subi r1,r1,n // subtract integer ‘n’ from ‘r1’ bne r1,r2, loop // if ‘r1 /= r2’ then goto ‘loop’

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