first prop flattening version

pgo_build.sh

@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+
+rm -rf /tmp/pgo-data
+
+mkdir -p /tmp/demos
+
+function download_demo {
+    if [ ! -f "/tmp/demos/$1.dem" ]; then
+        URL=$(curl -s https://api.demos.tf/demos/$1 | grep -oP "\"(https:.*?\.dem)\"")
+        URL="${URL//\\/}"
+        URL="${URL//\"/}"
+        echo "Downloading demo $1 from $URL"
+        wget -q $URL -O /tmp/demos/$1.dem
+    fi
+}
+
+function profile_demo {
+    echo "/tmp/demos/$1.dem"
+    ./target/release/parse_demo "/tmp/demos/$1.dem" > /dev/null
+}
+
+for i in $(seq 283600 283700); do download_demo $i; done
+
+RUSTFLAGS="-Cprofile-generate=/tmp/pgo-data" \
+    cargo +nightly build --release --target=x86_64-unknown-linux-gnu
+
+echo "Profiling demos"
+
+for i in $(seq 283600 283700); do profile_demo $i; done
+
+#llvm-profdata merge -o /tmp/pgo-data/merged.profdata /tmp/pgo-data
+
+#RUSTFLAGS="-Cprofile-use=/tmp/pgo-data/merged.profdata" \
+#    cargo +nightly build --release