in-process-benching: Add timestamp and RAM to results CSV

Author: PEZ

README.md

@@ -107,16 +107,16 @@ The new run script is named [run-benchmark.sh](run-benchmark.sh). Let's say we r
 The default run time is `10000` ms. `-u` sets the user name (preferably your GitHub handle). The output was this:
 
 ```csv
-benchmark,commit_sha,is_checked,user,model,os,arch,language,run_ms,mean_ms,std-dev-ms,min_ms,max_ms,times
-levenshtein,ed184a0,true,PEZ,Apple M4 Max,darwin24,arm64,Babashka,10000,23427.881083,0.0,23427.881083,23427.881083,1
-levenshtein,ed184a0,true,PEZ,Apple M4 Max,darwin24,arm64,C,10000,31.807073,0.445006,30.904000,34.647000,315
-levenshtein,ed184a0,true,PEZ,Apple M4 Max,darwin24,arm64,Clojure,10000,56.76691828813559,0.5267686832135136,55.877417,58.812042,177
-levenshtein,ed184a0,true,PEZ,Apple M4 Max,darwin24,arm64,Clojure Native,10000,60.57034990963855,1.0826489831713852,59.068291,64.627208,166
-levenshtein,ed184a0,true,PEZ,Apple M4 Max,darwin24,arm64,Java,10000,54.729889,1.487086,51.871208,60.350333,183
-levenshtein,ed184a0,true,PEZ,Apple M4 Max,darwin24,arm64,Java Native,10000,62.124475,3.009835,54.422417,69.038625,161
+benchmark,timestamp,commit_sha,is_checked,user,model,ram,os,arch,language,run_ms,mean_ms,std-dev-ms,min_ms,max_ms,runs
+levenshtein,2025-01-18T23:32:41Z,8e63938,true,PEZ,Apple M4 Max,64GB,darwin24,arm64,Babashka,10000,23376.012916,0.0,23376.012916,23376.012916,1
+levenshtein,2025-01-18T23:32:41Z,8e63938,true,PEZ,Apple M4 Max,64GB,darwin24,arm64,C,10000,31.874277,0.448673,31.286000,35.599000,314
+levenshtein,2025-01-18T23:32:41Z,8e63938,true,PEZ,Apple M4 Max,64GB,darwin24,arm64,Clojure,10000,57.27048066857143,2.210445845051782,55.554958,75.566792,175
+levenshtein,2025-01-18T23:32:41Z,8e63938,true,PEZ,Apple M4 Max,64GB,darwin24,arm64,Clojure Native,10000,59.95592388622754,0.8493245545620596,58.963833,62.897834,167
+levenshtein,2025-01-18T23:32:41Z,8e63938,true,PEZ,Apple M4 Max,64GB,darwin24,arm64,Java,10000,55.194704,1.624322,52.463125,63.390833,182
+levenshtein,2025-01-18T23:32:41Z,8e63938,true,PEZ,Apple M4 Max,64GB,darwin24,arm64,Java Native,10000,60.704966,6.579482,51.807750,96.343541,165
 ```
 
-It's a CSV file you can open in something Excel-ish or consume with your favorite language.
+It's a CSV file you can open in something Excel-ish, or consume with your favorite programming language.
 
 ![Example Result CSV in Numbers.app](docs/example-results-csv.png)
 

docs/example-results-csv.png

@@ -41,27 +41,36 @@ if [ -n "${input_value}" ]; then
 fi
 
 commit_sha=$(git rev-parse --short HEAD)
+timestamp=$(date -u +"%Y-%m-%dT%H:%M:%SZ")
 benchmark_dir="/tmp/languages-benchmark"
 os=${OSTYPE//,/_}
 arch=$(uname -m)
 
-if [[ "${os}" == "darwin"* ]]; then
+if [[ "${os}" == "darwin"* || "${os}" == "freebsd"* ]]; then
     model=$(sysctl -n machdep.cpu.brand_string)
 elif [[ "${os}" == "linux-gnu"* ]]; then
     model=$(lscpu | grep "Model name" | awk -F: '{print $2}' | sed -e 's/^[[:space:]]*//')
-elif [[ "${os}" == "freebsd"* ]]; then
-    model=$(sysctl -n machdep.cpu.brand_string)
 else
     model="Unknown"
 fi
 model=${model//,/_}
 
+if [[ "${os}" == "darwin"* || "${os}" == "freebsd"* ]]; then
+  ram=$(sysctl -n hw.memsize)
+  ram=$((ram / 1024 / 1024 / 1024))GB
+elif [[ "${os}" == "linux-gnu"* ]]; then
+  ram=$(grep MemTotal /proc/meminfo | awk '{print $2}')
+  ram=$((ram / 1024 / 1024))GB
+else
+  ram="Unknown"
+fi
+
 mkdir -p "${benchmark_dir}"
 results_file_name="${benchmark}_${user}_${run_ms}_${commit_sha}${only_langs_slug}.csv"
 results_file="${benchmark_dir}/${results_file_name}"
 # Data header, must match what is printed from `run`
 if [ "${check_only}" = false ]; then
-  echo "benchmark,commit_sha,is_checked,user,model,os,arch,language,run_ms,mean_ms,std-dev-ms,min_ms,max_ms,times" > "${results_file}"
+  echo "benchmark,timestamp,commit_sha,is_checked,user,model,ram,os,arch,language,run_ms,mean_ms,std-dev-ms,min_ms,max_ms,runs" > "${results_file}"
   echo "Running ${benchmark} benchmark..."
   echo "Results will be written to: ${results_file}"
 else
@@ -129,7 +138,7 @@ function run {
         local program_output=$(eval "${command_line}")
         result=$(echo "${program_output}" | awk -F ',' '{print $1","$2","$3","$4","$5}')
       fi
-      echo "${benchmark},${commit_sha},${is_checked},${user},${model},${os},${arch},${language_name},${run_ms},${result}" | tee -a "${results_file}"
+      echo "${benchmark},${timestamp},${commit_sha},${is_checked},${user},${model},${ram},${os},${arch},${language_name},${run_ms},${result}" | tee -a "${results_file}"
     fi
   else
     echo "No executable or script found for ${language_name}. Skipping."