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fix small typo (change use to us) #342

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fix small typo (change use to us) #342

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2 changes: 1 addition & 1 deletion content/english/hpc/profiling/simulation.md
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Expand Up @@ -82,7 +82,7 @@ Dr D1mr DLmr Bc Bcm file:function
2,000,000 0 0 0 0 ???:rand
```

You can see there are a lot of branch mispredicts in the sorting stage, and also a lot of both L1 cache misses and branch mispredicts during binary searching. We couldn't get this information with perf — it would only tell use these counts for the whole program.
You can see there are a lot of branch mispredicts in the sorting stage, and also a lot of both L1 cache misses and branch mispredicts during binary searching. We couldn't get this information with perf — it would only tell us these counts for the whole program.

Another great feature that Cachegrind has is the line-by-line annotation of source code. For that, you need to compile the program with debug information (`-g`) and either explicitly tell `cg_annotate` which source files to annotate or just pass the `--auto=yes` option so that it annotates everything it can reach (including the standard library source code).

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