From 84cf5fdf6883fc3d031c97c7e4466cb803d60545 Mon Sep 17 00:00:00 2001
From: NotAShelf <raf@notashelf.dev>
Date: Mon, 23 Feb 2026 02:23:44 +0300
Subject: [PATCH] irc: add timing measurements; formatting

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: Id4402547e18b6569464850c3753383396a6a6964
---
 src/irc/serializer.cpp |  2 +-
 src/plugin.cpp         | 17 +++++++++++++++--
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/src/irc/serializer.cpp b/src/irc/serializer.cpp
index f5b1982..73051a7 100644
--- a/src/irc/serializer.cpp
+++ b/src/irc/serializer.cpp
@@ -388,7 +388,7 @@ struct Deserializer::Impl {
       uint32_t num_elements = read_u32();
       std::vector<std::shared_ptr<Node>> elements;
       elements.reserve(num_elements);
-for (uint32_t i = 0; i < num_elements; i++) {
+      for (uint32_t i = 0; i < num_elements; i++) {
         elements.push_back(read_node());
       }
       return std::make_shared<Node>(ListNode(std::move(elements), line));
diff --git a/src/plugin.cpp b/src/plugin.cpp
index 18a832c..4a821f5 100644
--- a/src/plugin.cpp
+++ b/src/plugin.cpp
@@ -12,6 +12,7 @@
 #include "irc/serializer.h"
 #include "irc/types.h"
 
+#include <chrono>
 #include <iostream>
 
 namespace nix_ir_plugin {
@@ -29,6 +30,8 @@ static void prim_loadIR(EvalState& state, const PosIdx pos, Value** args, Value&
 
   std::string pathStr(path);
 
+  auto t_start = std::chrono::high_resolution_clock::now();
+
   Deserializer deserializer;
   IRModule module;
 
@@ -38,6 +41,8 @@ static void prim_loadIR(EvalState& state, const PosIdx pos, Value** args, Value&
     state.error<EvalError>("failed to deserialize IR bundle: %s", e.what()).atPos(pos).debugThrow();
   }
 
+  auto t_deser = std::chrono::high_resolution_clock::now();
+
   if (!module.entry) {
     state.error<EvalError>("IR bundle has no entry point").atPos(pos).debugThrow();
   }
@@ -48,6 +53,14 @@ static void prim_loadIR(EvalState& state, const PosIdx pos, Value** args, Value&
   } catch (const std::exception& e) {
     state.error<EvalError>("failed to evaluate IR: %s", e.what()).atPos(pos).debugThrow();
   }
+
+  auto t_eval = std::chrono::high_resolution_clock::now();
+
+  auto deser_us = std::chrono::duration_cast<std::chrono::microseconds>(t_deser - t_start).count();
+  auto eval_us = std::chrono::duration_cast<std::chrono::microseconds>(t_eval - t_deser).count();
+
+  std::cerr << "nixIR timing: deser=" << deser_us << "us eval=" << eval_us
+            << "us total=" << (deser_us + eval_us) << "us" << std::endl;
 }
 
 /**
@@ -139,7 +152,7 @@ static RegisterPrimOp rp_info({
 
 } // namespace nix_ir_plugin
 
-// Plugin initialization message
+// Plugin initialization
 __attribute__((constructor)) static void init_plugin() {
-  std::cerr << "nix-ir-plugin loaded" << std::endl;
+  // Plugin loads silently...
 }