※ 引述《tellux (寒川凝步)》之銘言：
: //TU190
: presence of fixed macros. This detailed placer works on legalized
^^ 這邊需要 a 嗎？
: placement to further improve the solution quality. It consists of a
: Global Swap technique to swap cells based on their optimal region, a
: Vertical Swap technique to fix the local errors vertically, a fast
: Local Re-ordering technique to fix the local order horizontally, and
: a Single-Segment Clustering technique that can place the cells in a
: segment optimally when cells not in this segment are fixed. Experiments
^^^^ 沒有動詞？
: on two sets of benchmarks show that this detailed placer can achieve
: better wirelength and runtime compared to Fengshui 5.0, rowIroning
: and Domino.
: 1. The author claims four main contributions in this paper: Global
: Swap, Vertical Swap, Local Re-ordering, and Single-Segment Clustering.
: However, three of these ideas (Global Swap, Local Re-ordering, and
: Single-Segment Clustering) are very similar to those in the detailed
: placement of "FastPlace: An Analytical Placer for Mixed-Mode Designs"
: published in ISPD05. This paper just contributes more implementation
^^^^^^^^^^用describe感覺好像更沒貢獻點?
: details about these ideas and provides a faster algorithm for
: Fixed-Order Single Segment Placement Problem.
: 2. The experimental results in this paper may not be an appropriate
^^^^^^^^^^^^^我會省略這三個字~
: comparison. The author used the Placement Utilities in Capo9.1 to
^^^^ 這邊用 uses 才會跟前面時態統一
: legalize MPL5's global placement result. The placement result was
: too much disturbed by the legalizer and shouldn't be used to compare
: the performance of detailed placer. The legalized wirelength by
: MPL5's own legalizer is 1.70e+06, which is even better then the
^^^^ than?
: wirelength (1.78e+06) result generated by the detailed place stated
: in this paper. The claim in the abstract (a legalized state-of-the-art
: global placement solution may still have a lot of room for
: improvement in wirelength) is not appropriate.
: 3. The paper claims that Global Swap gives the result most profit,
: but there isn't any experimental result in this. The readers cannot
^^^^^^^ ^^^我會省略 the
to prove it?
: distinguish the individual contributions of the algorithms proposed
: in this paper.
: //HI112
: A three-step mixed-size detailed placement is described in this paper.
: A combination of constraint graph and linear programming is used to
: remove the overlap between macros. Standard cells are legalized by
: an enhanced greedy method. In the end, a slidingwindow-based cell
: swapping is applied to further reduce wirelength. The experimental
: results show that it can produce legal placement for all the circuits
^^ 這邊需要 a 嗎？(我不確定啦,後面同例)
: in ICCAD04-MS, while Fengshui fails for 1/3 of them, and the
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