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Diffstat (limited to 'content/zettel/1b7.md')
| -rw-r--r-- | content/zettel/1b7.md | 22 |
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diff --git a/content/zettel/1b7.md b/content/zettel/1b7.md new file mode 100644 index 0000000..3ec13e7 --- /dev/null +++ b/content/zettel/1b7.md @@ -0,0 +1,22 @@ ++++ +title = "Superblocks" +author = "Yann Herklotz" +tags = [] +categories = [] +backlinks = ["3c3e2", "1b6"] +forwardlinks = ["1b6", "2b1", "1b8"] +zettelid = "1b7" ++++ + +Superblocks are a generalisation of basic blocks ([\#1b6]), where there +can be multiple exits out of the basic block, but only one entry at the +very top of the basic block. This allows for more analysis to increase +instruction-level parallelism (ILP) as the analysis can be done over a +superblock with more instructions. + +However, as there are no predicated instructions ([\#2b1]), a superblock +is also a block of one control path through the program, as there can be +no control flow in the superblock. + + [\#1b6]: /zettel/1b6 + [\#2b1]: /zettel/2b1 |