^��� 15 0 obj %���� What's the global CPI? a. 9����E� �����gC7 � Computer Organization and Design MIPS Edition: The Hardware/Software Interface Calculation of CPI (Cycles Per Instruction) For the multi-cycle MIPS Load 5 cycles Store 4 cycles R-type 4 cycles Branch 3 cycles Jump 3 cycles If a program has 50% R-type instructions 10% load instructions 20% store instructions 8% branch instructions 2% jump instructions then what is the CPI? P1 with a clock rate of 2.5 GHz and CPIs of 1, 2, 3, and 3, and P2 with a clock rate of 3 GHz and CPIs of 2, 2, 2, and 2.   Privacy �b�˯�Y�`��_5��Z��ĳd_o*����2�0oE��z(Y�lR��n&�������P�n\$�u�d:G�j�!�@��7g��D���D)����\���HF�\$�2ϢiG��!�K����؞�:T�(��4�x�a&o9�5����|\��F�S�b(ɮF��u6�h#��q~����8t��9�r[��4U����~�1�D�О�#��ܜ��̹�44� O���5fj�)��� � 3�;%���W�-Ww������S�َ瀘��/�/ے�����x�F&�h ����L�آ߭)W�!o�PWz'w�E�5jã�� H�b���ۅ�_,wyM� ���. 16 0 obj What is the global CPI for each implementation Find the clock cycles required from CDA 3103 at University of Central Florida Class C : 5 105 instr. Do the calculation on your own, and check the, Speed up of new compiler compared to A = 1.67, Speed up of new compiler compared to B = 2.27, Performance is specific to a particular program, total execution time is a consistent summary of. %PDF-1.3 14 0 obj Given a . 17 0 obj 3. c. Give two options for improving the CPU performance by 25%. endobj The instructions can be divided into four classes according to their CPI (class A, B, C, and D). 1.4.2 [51 <1.4> What is the global CPI for each implementation? << /Contents 17 0 R /MediaBox [ 0 0 612 792 ] /Parent 32 0 R /Resources 25 0 R /Type /Page >> rate and CPI of each implementation are given in the following table. Course Hero, Inc. Assume that for a program, compiler A results in a dynamic instruction count of 1.0E9 and has an execution time of 1.1 s, while compiler B results in a dynamic instruction count of 1.2E9 and an execution time of 1.5 s. 12 0 obj What is the global CPI for each implementation Find the clock cycles required. stream New CPI: 3.0 – Faster CPU implementation: New clock rate = 300 MHz • What is the speedup with the changes? program with 106 instructions divided into classes as follows: 10% class A, 20% class B, 50% class C, and 20% class D, which implementation is faster? << /Pages 32 0 R /Type /Catalog >> endobj << /Filter /FlateDecode /S 69 /Length 96 >> For a given architecture performance increases come from: increases in clock rate (without adverse CPI affects), improvements in processor organization that lower CPI, compiler enhancements that lower CPI and/or, : expecting improvement in one aspect of a, machine’s performance to affect the total performance, This textbook can be purchased at www.amazon.com. Introducing Textbook Solutions. What is the speedup of using this new compiler versus using. Class B : 2 X 105 instr. �m�q�7��� �sI�W�u������2G�Chm� Compilers can have a profound impact on the performance of an application. �f_�ɪz^\#�����t t_ȋ�����9�K駷n�դ��x��!0XAAKa������U�dX��A�W���{�/g��Sb-���p�����A��pS��+��� �P��B�B * U��\$+P�l) 4� p�@ << /Length 5 0 R /Filter /FlateDecode >> endobj Class D : 2 510 instr. x�c```b``ne`f``aad�0��� }����700����U,v��pQ �``�, Ҝ@� �c�g`��[0�9d��i��3̾����� g�� This problem will explore the impact compilers have on execution time. Class A : 105 instr. a) What is the global CPI for each implementation? This preview shows page 25 - 29 out of 29 pages. Speedup = Old Execution Time = I old x CPI old x Clock cycle old New Execution Time I new x CPI new x Clock Cycle new Speedup = Old Execution Time = I old x CPI … compiler A or B on the original processor? {D�%( �e�p!����M���̬k��K2z���S��ŒI2��K��L�V�����Ț��i�0�Rf�/Z�u�6�y��}a����q �i�Z����?����7 � 4������#X��~譼:{T��ك�_Z���*ʼp)��|��xAa�ɯ�R���UɻJ�,/��%�!y��/� 8Χ@ A���T�z�^��6 Assume that for a program, compiler A results in a dynamic instruction count, of 1.0E9 and has an execution time of 1.1 s, while compiler B results in a. dynamic instruction count of 1.2E9 and an execution time of 1.5 s. Find the average CPI for each program given that the processor has a clock, Assume the compiled programs run on two different processors. CPI/clock rate Total time P1 = (105 + 2 10 5 2 + 5 10 3 + 2 105 3)=(2:5 109) = 10:4 10 4s Total time P2 = (105 52 + 2 105 52 + 5 10 2 + 2 10 2)=(3 109) = 6:66 10 4s x��ZKo�8��W�R@b�O��(�ڶ{Xh��{Pl9jK�\$7���r(Y���n���=I�����ɗ�������\$��]�F�3K6�UB4�G���_ѫo�Ƃ����]��n�x��g������Xf��Q��OT�Y�X�֔����/��~��I"ḏ_A�JFc��L��;Ѷ2��E�(Ye��\$Q����*6���4���\���ӵ�����g,2�7#�H��Sb̴&� Compilers can have a profound impact on the performance of an application. - 5th Edition. endstream Community College of City University • AST 1020, Copyright © 2020. 4 0 obj endobj Clockrate CPI ClassA CPI ClassB CPI ClassC CPI Class D 1.5 GHz 2 GHz 1.4.1 [10] <1.4> Given a program with 106 instructions divided into classes as follows: 10% class A, 20% class B, 50% class C and 20% class D, which implemen- tation is faster? [5 pts] 15) Compilers can have a profound impact on the performance of an application on a given processor. x�cbd`�g`b``8 "���lcɸ���� R��^"լA�r7��K������7 �b`�\$ �J � endstream stream What's the CPU time? b) Find the clock cycles required in both cases. a. Speedup = (10,000,000 x 2.5 x 5x10-9) / (9,500,000 x 3 x 3.33x10-9 ) = .125 / .095 = 1.32 or 32 % faster after changes. Find the clock cycles required in both cases. instr. << /Linearized 1 /L 103936 /H [ 901 174 ] /O 16 /E 75211 /N 4 /T 103596 >>   Terms. *Wc*NM�B߿04�2�. Get step-by-step explanations, verified by experts. What is the global CPI for each implementation? If the execution, times on the two processors are the same, how much faster is the clock of the, processor running compiler A’s code versus the clock of the processor running, A new compiler is developed that uses only 6.0E8 instructions and has an, average CPI of 1.1. stream << /Filter /FlateDecode /Length 2004 >> class B, 50% class C, and 20% class D, which implementation is faster? stream What is the global CPI for each implementation? Time = No. T{�����:��D�_��h�6�yA��į������� _����ҷ\��_���|�^��0�S@�|�Ny6(Mg+���Vf{����e2�nŏo�R����7�~�orD���I%�3��WE^7���Cfo��摌��,��U�����˺�NNV�Z������hc�G)%��+�-V@�̣U�e�v뀖: 7b�m�-*C�� Y�B>�"( �(1V �'�Mgӱ���Z^MW�U�`��FLl��" �YST���"���7\����X%M��UZ��W�)�J3/p�y5���K_�abayyb�"��B�b�Uy�*�:p�1��8eF �]W~�B �mU��,�Uv.w]�b�#'�|A��hҦ.i�����/��������j���Ze�BF^1*#�����n�1���"��}��w䕸���]�%?H���O��=FSFK�3��Gܺ��������?�}�{^��K�[p��! Clock Rate: 2.0GHZ Class A: 20%, CPI 2 Class B: 30%, CPI 1 Class C: 10%, CPI 3 Class D: 20%, CPI 4 Class E: 20%, CPI 5 I solved a.b but not c .. so I need help- for problem c.. and here are the answer for the a and b . << /Type /XRef /Length 70 /Filter /FlateDecode /DecodeParms << /Columns 5 /Predictor 12 >> /W [ 1 3 1 ] /Index [ 12 45 ] /Info 10 0 R /Root 14 0 R /Size 57 /Prev 103597 /ID [<7ddedb40e1bd8c94dbf832faf764b4a3>] >> [10 pts] b) What is the global CPI for each implementation? ��i�^T��\$�eB#FY�nj8Q&Qo�����Y���WYf�h��Ld��JPS�N�IV�eU#���]p������ endobj 4�#%9�{*/� �+�\�s+�X��:�\$�@s��ylF CPI = (4x50 + 5x10 + 4x20 + 3x8 + 3x2)/100 = 3.6. How To Adjust Integrated Fridge Door Hinges, Unknown T Net Worth, Is Bluemaxima Flashpoint Safe, Alton Brown Tri Tip, Fem Percy And The Gods Lemon Fanfiction, " />

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