From c54e4a7ababec68b188eee160974048f099492bc Mon Sep 17 00:00:00 2001
From: Daniel Lemire <daniel@lemire.me>
Date: Mon, 22 Dec 2025 16:05:51 -0500
Subject: [PATCH] updating the deps

---
 benchmarks/CMakeLists.txt |  2 +-
 benchmarks/bench_ip.cpp   | 35 +++++------------------------------
 benchmarks/benchmark.cpp  | 10 +++++-----
 3 files changed, 11 insertions(+), 36 deletions(-)

diff --git a/benchmarks/CMakeLists.txt b/benchmarks/CMakeLists.txt
index 4e22c9e..cfa48b8 100644
--- a/benchmarks/CMakeLists.txt
+++ b/benchmarks/CMakeLists.txt
@@ -3,7 +3,7 @@ include(FetchContent)
 FetchContent_Declare(
   counters
   GIT_REPOSITORY https://github.com/lemire/counters.git
-  GIT_TAG v1.0.4
+  GIT_TAG v2.0.0
 )
 
 FetchContent_MakeAvailable(counters)
diff --git a/benchmarks/bench_ip.cpp b/benchmarks/bench_ip.cpp
index 33b2c64..782358e 100644
--- a/benchmarks/bench_ip.cpp
+++ b/benchmarks/bench_ip.cpp
@@ -1,4 +1,4 @@
-#include "counters/event_counter.h"
+#include "counters/bench.h"
 #include "fast_float/fast_float.h"
 #include <charconv>
 #include <cstdint>
@@ -8,39 +8,14 @@
 #include <random>
 #include <atomic>
 #include <string>
-event_collector collector;
-
-template <class function_type>
-event_aggregate bench(const function_type &function, size_t min_repeat = 10,
-                      size_t min_time_ns = 1000000000,
-                      size_t max_repeat = 1000000) {
-  event_aggregate aggregate{};
-  size_t N = min_repeat;
-  if (N == 0) {
-    N = 1;
-  }
-  for (size_t i = 0; i < N; i++) {
-    std::atomic_thread_fence(std::memory_order_acquire);
-    collector.start();
-    function();
-    std::atomic_thread_fence(std::memory_order_release);
-    event_count allocate_count = collector.end();
-    aggregate << allocate_count;
-    if ((i + 1 == N) && (aggregate.total_elapsed_ns() < min_time_ns) &&
-        (N < max_repeat)) {
-      N *= 10;
-    }
-  }
-  return aggregate;
-}
 
 void pretty_print(size_t volume, size_t bytes, std::string name,
-                  event_aggregate agg) {
+                  counters::event_aggregate agg) {
   printf("%-40s : ", name.c_str());
   printf(" %5.2f GB/s ", bytes / agg.fastest_elapsed_ns());
   printf(" %5.1f Ma/s ", volume * 1000.0 / agg.fastest_elapsed_ns());
   printf(" %5.2f ns/d ", agg.fastest_elapsed_ns() / volume);
-  if (collector.has_events()) {
+  if (counters::event_collector().has_events()) {
     printf(" %5.2f GHz ", agg.fastest_cycles() / agg.fastest_elapsed_ns());
     printf(" %5.2f c/d ", agg.fastest_cycles() / volume);
     printf(" %5.2f i/d ", agg.fastest_instructions() / volume);
@@ -158,7 +133,7 @@ int main() {
 
   uint32_t sink = 0;
 
-  pretty_print(volume, bytes, "parse_ip_std_fromchars", bench([&]() {
+  pretty_print(volume, bytes, "parse_ip_std_fromchars", counters::bench([&]() {
                  const char *p = buf.data();
                  const char *pend = buf.data() + bytes;
                  uint32_t sum = 0;
@@ -171,7 +146,7 @@ int main() {
                  sink += sum;
                }));
 
-  pretty_print(volume, bytes, "parse_ip_fastfloat", bench([&]() {
+  pretty_print(volume, bytes, "parse_ip_fastfloat", counters::bench([&]() {
                  const char *p = buf.data();
                  const char *pend = buf.data() + bytes;
                  uint32_t sum = 0;
diff --git a/benchmarks/benchmark.cpp b/benchmarks/benchmark.cpp
index 2cfe15d..d90038e 100644
--- a/benchmarks/benchmark.cpp
+++ b/benchmarks/benchmark.cpp
@@ -50,14 +50,14 @@ double findmax_fastfloat32(std::vector<std::basic_string<CharT>> &s) {
   return answer;
 }
 
-event_collector collector{};
+counters::event_collector collector{};
 
 #ifdef USING_COUNTERS
 template <class T, class CharT>
-std::vector<event_count>
+std::vector<counters::event_count>
 time_it_ns(std::vector<std::basic_string<CharT>> &lines, T const &function,
            size_t repeat) {
-  std::vector<event_count> aggregate;
+  std::vector<counters::event_count> aggregate;
   bool printed_bug = false;
   for (size_t i = 0; i < repeat; i++) {
     collector.start();
@@ -72,7 +72,7 @@ time_it_ns(std::vector<std::basic_string<CharT>> &lines, T const &function,
 }
 
 void pretty_print(double volume, size_t number_of_floats, std::string name,
-                  std::vector<event_count> events) {
+                  std::vector<counters::event_count> events) {
   double volumeMB = volume / (1024. * 1024.);
   double average_ns{0};
   double min_ns{DBL_MAX};
@@ -84,7 +84,7 @@ void pretty_print(double volume, size_t number_of_floats, std::string name,
   double branches_avg{0};
   double branch_misses_min{0};
   double branch_misses_avg{0};
-  for (event_count e : events) {
+  for (counters::event_count e : events) {
     double ns = e.elapsed_ns();
     average_ns += ns;
     min_ns = min_ns < ns ? min_ns : ns;