By: Michael S (already5chosen.delete@this.yahoo.com), May 22, 2007 5:26 am
Room: Moderated Discussions
David Kanter (dkanter@realworldtech.com) on 5/21/07 wrote:
---------------------------
>
>However, Intel is a different story. First of all, the term is uop, not micro-op,
>which refers to the internal operations. In Intel terminology a macro-op is an
>x86 instruction. So macro-op fusion is the fusing of two x86 instruction (CMP+JMP).
>
>DK
Intel does use terms micro-ops and uOps interchangeably.
See "Inside Intel Core Microarchitecture. Setting new standard for energy-efficient performance" white paper by Ofri Wechsler.
The result of micro-op fusion is also called micro-op/uOp or sometimes complex uOP.
The term macro-op in Intel literature indeed refers to x86 instruction.
For example, "add [mem], reg" consists of four micro-ops, two complex micro-ops but only one macro-op.
---------------------------
>
>However, Intel is a different story. First of all, the term is uop, not micro-op,
>which refers to the internal operations. In Intel terminology a macro-op is an
>x86 instruction. So macro-op fusion is the fusing of two x86 instruction (CMP+JMP).
>
>DK
Intel does use terms micro-ops and uOps interchangeably.
See "Inside Intel Core Microarchitecture. Setting new standard for energy-efficient performance" white paper by Ofri Wechsler.
The result of micro-op fusion is also called micro-op/uOp or sometimes complex uOP.
The term macro-op in Intel literature indeed refers to x86 instruction.
For example, "add [mem], reg" consists of four micro-ops, two complex micro-ops but only one macro-op.
Topic | Posted By | Date |
---|---|---|
Barcelona Article Online | David Kanter | 2007/05/16 03:20 AM |
Barcelona Article Online | PiedPiper | 2007/05/16 05:12 AM |
Yes, I left out a sentence there. Fixed (NT) | David Kanter | 2007/05/16 12:07 PM |
Barcelona Article Online | anonymous | 2007/05/16 06:01 AM |
Barcelona Article Online | Anonymous | 2007/05/16 06:28 PM |
Barcelona Article Online | anonymous | 2007/05/16 07:52 PM |
Barcelona Article Online | Anonymous1 | 2007/05/16 07:08 AM |
Barcelona Article Online | Dean M | 2007/05/16 11:09 AM |
Barcelona Article Online | David Kanter | 2007/05/16 12:38 PM |
Barcelona Article Online | Dean M | 2007/05/16 02:10 PM |
Barcelona Article Online | IntelUser2000 | 2007/05/16 02:59 PM |
Barcelona Article Online | Linus Torvalds | 2007/05/16 03:24 PM |
Barcelona Article Online | David Kanter | 2007/05/16 04:57 PM |
Barcelona Article Online | Michael S | 2007/05/17 05:07 AM |
Barcelona Article Online | IntelUser2000 | 2007/05/18 08:58 PM |
8 socket servers | Doug Siebert | 2007/05/16 04:58 PM |
8 socket servers | Michael S | 2007/05/17 05:20 AM |
8 socket servers | Joe Chang | 2007/05/17 07:38 AM |
8 socket servers | Alex Jones | 2007/05/17 09:35 AM |
8 socket servers | Jose | 2007/05/23 08:23 AM |
8 socket servers | Michael S | 2007/05/23 11:37 AM |
8 socket servers | anonymous | 2007/05/26 03:49 PM |
8 socket servers | Joe Chang | 2007/05/27 01:46 PM |
8 socket servers | Doug Siebert | 2007/05/23 09:56 PM |
8 socket servers | Joe Chang | 2007/05/24 04:33 AM |
8 socket servers | Anonymous | 2007/05/24 11:18 AM |
8 socket servers | Doug Siebert | 2007/05/24 10:47 PM |
8 socket servers | Linus Torvalds | 2007/05/25 10:35 AM |
8 socket servers | Nick | 2007/05/25 02:29 AM |
Performance estimation seems odd | Hotar | 2007/05/17 01:54 AM |
Performance estimation seems odd | David Kanter | 2007/05/17 08:38 AM |
microops vs macroops on page 4 | Peter Lund | 2007/05/17 12:04 PM |
microops vs macroops on page 4 | David Kanter | 2007/05/21 04:51 PM |
microops vs macroops on page 4 | EduardoS | 2007/05/21 05:42 PM |
microops vs macroops on page 4 | dess | 2007/05/21 07:00 PM |
Barcelona Article Online | Peter Lund | 2007/05/17 12:25 PM |
macro-op vs. micro-op | dess | 2007/05/21 07:24 AM |
macro-op vs. micro-op | David Kanter | 2007/05/21 04:38 PM |
macro-op vs. micro-op | dess | 2007/05/21 06:15 PM |
macro-op vs. micro-op | David Kanter | 2007/05/22 12:11 AM |
macro-op vs. micro-op | dess | 2007/05/22 03:56 AM |
macro-op vs. micro-op | Gipsel | 2007/05/22 05:05 AM |
macro-op vs. micro-op | dess | 2007/05/22 05:52 AM |
macro-op vs. micro-op | anonymous | 2007/05/22 06:14 AM |
macro-op vs. micro-op | dess | 2007/05/22 06:44 AM |
macro-op vs. micro-op | EduardoS | 2007/05/22 02:19 PM |
macro-op vs. micro-op | dess | 2007/05/24 08:52 AM |
Stop comparing apples to oranges | EduardoS | 2007/05/22 02:30 PM |
Stop comparing apples to oranges | dess | 2007/05/22 04:09 PM |
Stop comparing apples to oranges | dess | 2007/05/22 04:30 PM |
Stop comparing apples to oranges | EduardoS | 2007/05/22 04:31 PM |
Stop comparing... apples to oranges? | dess | 2007/05/24 09:30 AM |
Stop comparing apples to oranges | anonymous | 2007/05/22 08:12 PM |
Stop comparing apples to oranges | EduardoS | 2007/05/23 02:50 PM |
macro-op vs. micro-op | anonymous | 2007/05/22 06:08 AM |
macro-op vs. micro-op | dess | 2007/05/22 06:40 AM |
macro-op vs. micro-op | anonymous | 2007/05/22 06:48 AM |
macro-op vs. micro-op | dess | 2007/05/21 08:30 PM |
macro-op vs. micro-op | anonymous | 2007/05/22 06:44 AM |
macro-op vs. micro-op | dess | 2007/05/24 09:38 AM |
macro-op vs. micro-op | Michael S | 2007/05/22 05:26 AM |