diff --git a/doc/bugs/git-annex_is_slow_at_reading_file_content/comment_2_786b21544854ad719eac07d08ba8d206._comment b/doc/bugs/git-annex_is_slow_at_reading_file_content/comment_2_786b21544854ad719eac07d08ba8d206._comment
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+[[!comment format=mdwn
+ username="Atemu"
+ avatar="http://cdn.libravatar.org/avatar/d1f0f4275931c552403f4c6707bead7a"
+ subject="comment 2"
+ date="2022-03-04T14:44:29Z"
+ content="""
+(Sorry, command used on the more powerful machine was `git annex add`, not `fsck`.)
+
+The read speed here (~320MiB/s) is pretty close to the `openssl speed sha256` result for 16B block size (~360MiB/s) or 64B blocks with SHA256 acceleration disabled (~300MiB/s, `OPENSSL_ia32cap=:~0x20000000`).
+
+What block size is used here and does git-annex use SHA instructions for hashing?
+
+
+"""]]