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authorJakob Unterwurzacher2018-12-16 12:49:13 +0100
committerJakob Unterwurzacher2018-12-16 12:49:13 +0100
commit9daa205c1083d94215a1d1d6ab4fb5c65421e7bd (patch)
tree21b1b0e1c532ca65abeae2abc8c490006518c755
parenta55e53c196be73fbf06cef00c50f10752aaf1275 (diff)
README: replace openssl-gcm.md with link to wiki
The CPU-Benchmarks wiki page has a lot more info than openssl-gcm.md had.
-rw-r--r--Documentation/openssl-gcm.md13
-rw-r--r--README.md16
2 files changed, 12 insertions, 17 deletions
diff --git a/Documentation/openssl-gcm.md b/Documentation/openssl-gcm.md
deleted file mode 100644
index d955b39..0000000
--- a/Documentation/openssl-gcm.md
+++ /dev/null
@@ -1,13 +0,0 @@
-Go builtin GCM vs OpenSSL
-=========================
-
-OpenSSL is over four times faster than Go's built-in GCM implementation.
-
-```
-$ cd internal/stupidgcm
-$ go test -bench .
-PASS
-Benchmark4kEncStupidGCM-2 50000 25860 ns/op 158.39 MB/s
-Benchmark4kEncGoGCM-2 10000 116050 ns/op 35.29 MB/s
-ok github.com/rfjakob/gocryptfs/internal/stupidgcm 3.667s
-```
diff --git a/README.md b/README.md
index 46a7fff..5fe5c3d 100644
--- a/README.md
+++ b/README.md
@@ -129,12 +129,20 @@ Since version 0.7.2, gocryptfs is as fast as EncFS in the default mode,
and significantly faster than EncFS' "paranoia" mode that provides
a security level comparable to gocryptfs.
-gocryptfs uses OpenSSL through a thin wrapper called `stupidgcm`.
+On CPUs without AES-NI, gocryptfs uses OpenSSL through a thin wrapper called `stupidgcm`.
This provides a 4x speedup compared to Go's builtin AES-GCM
-implementation - see [openssl-gcm.md](Documentation/openssl-gcm.md)
-for details. The use of openssl can disabled on the command-line.
+implementation. See [CPU-Benchmarks](https://github.com/rfjakob/gocryptfs/wiki/CPU-Benchmarks)
+for details, or run `gocryptfs -speed` to see the encryption performance of your CPU.
+Example for a CPU without AES-NI:
-Run `./benchmark.bash` to run gocryptfs' canonical set of
+```
+$ ./gocryptfs -speed
+AES-GCM-256-OpenSSL 165.67 MB/s (selected in auto mode)
+AES-GCM-256-Go 49.62 MB/s
+AES-SIV-512-Go 39.98 MB/s
+```
+
+You can run `./benchmark.bash` to run gocryptfs' canonical set of
benchmarks that include streaming write, extracting a linux kernel
tarball, recursively listing and finally deleting it. The output will
look like this: