From a56b82e72a51407a818ee940d838a1c6e6fdb20b Mon Sep 17 00:00:00 2001
From: Mischievous Meerkat <engineerarun@gmail.com>
Date: Mon, 2 Nov 2020 00:50:39 +0530
Subject: [PATCH] Updated Developer guides (markdown)

---
 Developer-guides.md | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/Developer-guides.md b/Developer-guides.md
index d9bce96..9d471ac 100644
--- a/Developer-guides.md
+++ b/Developer-guides.md
@@ -116,6 +116,22 @@ Verify the binary.
     file nnn
     nnn: ELF 64-bit LSB executable, x86-64, version 1 (GNU/Linux), statically linked, for GNU/Linux 2.6.32, BuildID[sha1]=1be54d27687f83cf42393dd59dba2723798956de, stripped
 
+## Optimization tips
+
+Careful use of make variables, static compilation and [upx](https://upx.github.io/) compression can do wonders!
+
+```
+$ make CFLAGS=-march=corei7 O_NORL=1 O_NOMOUSE=1 O_NOLOC=1 O_NOBATCH=1 O_NOSSN=1 O_NOFIFO=1 O_QSORT=1 O_NOUG=1 static
+$ upx nnn-static
+$ ls -l nnn-static
+-rwxrwxr-x 1 user user 593808 Nov  2 00:45 nnn-static
+
+# top output (/usr/bin has 1544 files)
+
+    PID USER      PR  NI    VIRT    RES    SHR S  %CPU  %MEM     TIME+ COMMAND                             
+  31953 user      20   0    2428   2244      4 S   0.0   0.0   0:00.02 ./nnn-static -cdDEnQrux /usr/bin
+```
+
 ## Compile for Pi
 
 The `nnn` version available as a stable Raspbian package is very out of date (v2.2), which means that the only way to get a recent version of `nnn` is to compile from source.