From 773877b02ce4cdb7e1e5cb01ec359f3906fa02cb Mon Sep 17 00:00:00 2001
From: rfjakob
Date: Mon, 30 Aug 2021 19:37:35 +0200
Subject: Updated CPU Benchmarks (markdown)

---
 CPU-Benchmarks.md | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/CPU-Benchmarks.md b/CPU-Benchmarks.md
index ce62d9d..70db2dd 100644
--- a/CPU-Benchmarks.md
+++ b/CPU-Benchmarks.md
@@ -95,6 +95,52 @@ Benchmark4kEncGoGCM-16            200000              9579 ns/op         427.58
 
 ### 64-bit Intel/AMD (amd64) without AES-NI
 
+**Xeon L5420**
+from https://github.com/rfjakob/gocryptfs/issues/452#issuecomment-637022031
+```
+model name	: Intel(R) Xeon(R) CPU           L5420  @ 2.50GHz
+flags		: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts rep_good nopl cpuid aperfmperf pni dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm dca sse4_1 xsave lahf_lm tpr_shadow vnmi flexpriority dtherm
+
+$gocryptfs -speed
+gocryptfs v1.8.0-35-g274e0d2; go-fuse v2.0.3; 2020-06-01 go1.14.3 linux/amd64
+AES-GCM-256-OpenSSL 	  94.85 MB/s	(selected in auto mode)
+AES-GCM-256-Go      	  40.20 MB/s	
+AES-SIV-512-Go      	  32.05 MB/s	
+XChaCha20-Poly1305-Go	 328.54 MB/s	
+```
+
+**i3-3227U**
+From https://github.com/rfjakob/gocryptfs/issues/452#issuecomment-657653577
+```
+~$ lscpu | grep -E 'Arch|Model |Flags'
+Architecture:                    x86_64
+Model name:                      Intel(R) Core(TM) i3-3227U CPU @ 1.90GHz
+Flags:                           fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer xsave avx f16c lahf_lm cpuid_fault epb pti ssbd ibrs ibpb stibp tpr_shadow vnmi flexpriority ept vpid fsgsbase smep erms xsaveopt dtherm ida arat pln pts md_clear flush_l1d
+
+~$ gocryptfs -speed
+gocryptfs v1.8.0.HEAD; go-fuse v1.0.1-0.20190319092520-161a16484456; 2020-07-13 go1.14.4 linux/amd64
+AES-GCM-256-OpenSSL 	 132.23 MB/s	(selected in auto mode)
+AES-GCM-256-Go      	  40.79 MB/s	
+AES-SIV-512-Go      	  31.38 MB/s	
+XChaCha20-Poly1305-Go	 412.11 MB/s
+```
+
+**Atom N2800**
+From https://github.com/rfjakob/gocryptfs/issues/452#issuecomment-665924527 :
+```
+~$ lscpu | grep -E 'Arch|Model |Flags'
+Architecture:        x86_64
+Model name:          Intel(R) Atom(TM) CPU N2800   @ 1.86GHz
+Flags:               fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx lm constant_tsc arch_perfmon pebs bts nopl nonstop_tsc cpuid aperfmperf pni dtes64 monitor ds_cpl est tm2 ssse3 cx16 xtpr pdcm movbe lahf_lm dtherm arat
+
+~$ ./gocryptfs -speed
+gocryptfs v1.8.0-39-g3b61244; go-fuse v2.0.3; 2020-07-29 go1.14 linux/amd64
+AES-GCM-256-OpenSSL       15.53 MB/s    (selected in auto mode)
+AES-GCM-256-Go            10.58 MB/s
+AES-SIV-512-Go             7.39 MB/s
+XChaCha20-Poly1305-Go     78.46 MB/s
+```
+
 **Ivy Bridge (Launch: Q1'13)**
 ```
 $ cat /proc/cpuinfo 
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