benches ready to be done

Author: ZocoLini

Dockerfile

@@ -12,6 +12,7 @@ RUN apt-get update && \
     build-essential \
     cmake \
     gdb \
+    libpapi-dev papi-tools \
     gfortran && \
     rm -rf /var/lib/apt/lists/*
 

benches/CMakeLists.txt

@@ -1,17 +1,23 @@
+find_library(PAPI_LIB papi)
+
+if(NOT PAPI_LIB)
+    message(WARNING "⚠️  PAPI library not found, benchmarks will be skipped")
+    return()
+endif()
+
 FetchContent_Declare(
     nanobench
     GIT_REPOSITORY https://github.com/martinus/nanobench.git
     GIT_TAG v4.1.0
     GIT_SHALLOW TRUE
 )
 
-
 FetchContent_MakeAvailable(nanobench)
 
 add_library(bench_options bench_options.c)
 
 add_library(bench_wrapper bench_wrapper.cpp)
-target_link_libraries(bench_wrapper PUBLIC bench_options PRIVATE nanobench)
+target_link_libraries(bench_wrapper PUBLIC bench_options PRIVATE nanobench ${PAPI_LIB})
 
 foreach(bench_name
     bench_transform_states

benches/bench_wrapper.cpp

@@ -1,5 +1,7 @@
-#include "nanobench.h"
+#include <iostream>
+#include <papi.h>
 #include "bench_options.h"
+#include "nanobench.h"
 
 extern "C" void run_benchmark(BenchOptions *options)
 {
@@ -8,10 +10,45 @@ extern "C" void run_benchmark(BenchOptions *options)
     b.title(options->name)
             .warmup(options->warmup)
             .epochs(options->epochs)
-            .relative(options->num_functions > 1);
+            .relative(options->num_functions > 1)
+            .minEpochIterations(30);
+
+    if (PAPI_library_init(PAPI_VER_CURRENT) != PAPI_VER_CURRENT)
+    {
+        std::cerr << "Error inicializando PAPI\n";
+    }
 
     for (int i = 0; i < options->num_functions; ++i)
     {
+#define EVENTS_LEN 4
+        int EventSet = PAPI_NULL;
+        long long values[EVENTS_LEN] = {0};
+
+        PAPI_create_eventset(&EventSet);
+        PAPI_add_named_event(EventSet, "MEM_LOAD_RETIRED:L1_HIT");
+        PAPI_add_named_event(EventSet, "MEM_LOAD_RETIRED:L1_MISS");
+        PAPI_add_named_event(EventSet, "MEM_LOAD_RETIRED:L2_HIT");
+        PAPI_add_named_event(EventSet, "MEM_LOAD_RETIRED:L2_MISS");
+
+        if (PAPI_start(EventSet) != PAPI_OK)
+        {
+            std::cerr << "Error starting counters PAPI\n";
+        }
+
         b.run([&] { ((void (*)(void)) options->functions[i])(); });
+
+        if (PAPI_stop(EventSet, values) != PAPI_OK)
+        {
+            std::cerr << "Error stopping counters PAPI\n";
+        }
+
+        PAPI_cleanup_eventset(EventSet);
+        PAPI_destroy_eventset(&EventSet);
+
+        std::cout << "#### Cache analysis for " << options->name << " ###\n"
+                  << "L1 cache misses: " << values[0] << ", L2 cache misses: " << values[1] << "\n"
+                  << "L1 cache hits: " << values[2] << ", L2 cache hits: " << values[3] << "\n";
     }
+
+    PAPI_shutdown();
 }

scripts/bench.sh

@@ -5,6 +5,8 @@ if [ ! -d ./build-serial/benches ]; then
     exit 1
 fi
 
+bash scripts/init_venv.sh
+
 ISOLATED_CPUS_LIST="0-11"
 
 (

scripts/init_venv.sh

@@ -0,0 +1,15 @@
+#!/bin/bash
+
+if [ -d ".venv" ]; then
+    exit 0
+fi
+
+if ! python3 -m venv .venv; then
+    echo "Error creating python virtual environment. Install python3-venv."
+    exit 1
+fi
+
+source .venv/bin/activate
+pip install --upgrade pip
+pip install matplotlib
+pip install pyperf

scripts/test.sh

@@ -47,19 +47,10 @@ execute_variant() {
         )
       fi
 
-      # .venv/bin/python plot.py "$CLI_TEST_DIR/data/output/cuqdyn-results.txt"
+      .venv/bin/python plot.py "$CLI_TEST_DIR/data/output/cuqdyn-results.txt"
 }
 
-# if [ ! -d ".venv" ]; then
-#     if ! python3 -m venv .venv; then
-#         echo "Error creating python virtual environment. Install python3-venv."
-#         exit 1
-#     fi
-#     source .venv/bin/activate
-#     pip install --upgrade pip
-# fi
-# 
-# pip install matplotlib
+bash scripts/init_venv.sh
 
 variants=(
   "serial"