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library file cell view&comparison tool

開發十年,就只剩下這套架構體系了! >>>   

libView.py是一個library檔案中cell資訊的展示和比較工具,用於展示和比較library檔案(men)中一個(或多個同系列的)cell的資訊,包括cell的area/leakage_power/timing/internal_power等資訊。

libView.py的github地址為 https://github.com/liyanqing1987/libView

 

下面分別簡單地展示view和comparison功能。

工具啟動:

File -> Load載入(一個或多個)lib檔案。

 

lib view:

選定一個cell後可檢視cell的area/leakage_power/timing/internal_power的資訊。

area

leakage_power,有多個值,對應不同的conditions。

timing,其values table一般為一個n*m的表格,可以繪製為一個三維立體圖形,可以拖動旋轉,相當炫酷。

internal_power,某些internal_power只是一維的資料,所以僅以表格的形式展現,沒有對應的3D圖形。

 

lib comparison:

對比兩個library檔案(同一design,一個為ccs,一個為ecsm格式)中同系列(同一亦可)cell資訊。

area,兩個cell是同一design不同格式library檔案中的同一個cell,所以請原諒它們的值是一樣的。

leakage_power,只對比一種condition下的cell leakage_power值,可以通過更改when和related_pg_pin選項來選擇不同的conditons。

timing,預設對比default timing table中的第一個點的值,可以通過選擇index_1和index_2來選擇其它的值。

internal_power

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library file cell view&comparison tool

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