Enable jemalloc feature for simple benchmarking

Makefile

@@ -31,7 +31,7 @@ pull-protocols:
 static: static-x86_64
 
 static-%:
-	cross build --target $*-unknown-linux-musl --features vendored-openssl
+	cross build --target $*-unknown-linux-musl --features vendored-openssl,jemalloc
 
 ###########################################################################
 

README.md

@@ -40,6 +40,8 @@ able to get faster linking by creating `.cargo/config.toml` as follows:
     [build]
     rustflags = ["-C", "link-arg=-fuse-ld=mold"]
 
+Enabling the `jemalloc` feature can get a *substantial* (~20%-50%) improvement in throughput.
+
 ## Running the examples
 
 In one window, start the server:

syndicate-server/Makefile

@@ -13,7 +13,7 @@ inotifytest:
 binary: binary-release
 
 binary-release:
-	cargo build --release --all-targets
+	cargo build --release --all-targets --features jemalloc
 
 binary-debug:
 	cargo build --all-targets