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author | Paul E. McKenney <paulmck@kernel.org> | 2023-06-25 20:49:05 -0700 |
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committer | Paul E. McKenney <paulmck@kernel.org> | 2023-06-25 20:49:05 -0700 |
commit | fa9d073ee6ddb31321e115908edc6cc2119ff94d (patch) | |
tree | bee702205642c1dbbd442a1645ef497e6fc645a2 | |
parent | bef8d41efe53d227a5b0f886490a161608ae4ea5 (diff) | |
download | perfbook-fa9d073ee6ddb31321e115908edc6cc2119ff94d.tar.gz |
cpu/overheads: Call out big atoms along with slow light
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
-rw-r--r-- | cpu/overheads.tex | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/cpu/overheads.tex b/cpu/overheads.tex index ba4a33a4..7b67db14 100644 --- a/cpu/overheads.tex +++ b/cpu/overheads.tex @@ -655,7 +655,8 @@ In short, hardware and software engineers are really on the same side, with both trying to make computers go fast despite the best efforts of the laws of physics, as fancifully depicted in \cref{fig:cpu:Hardware and Software: On Same Side} -where our data stream is trying its best to exceed the speed of light. +where our data stream is trying its best to exceed the speed of light, +further hindered by the non-zero sizes of atoms. The next section discusses some additional things that the hardware engineers might (or might not) be able to do, depending on how well recent research translates to practice. |