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-rw-r--r--src/experiment.cpp18
-rw-r--r--src/experiment.h2
-rw-r--r--src/main.cpp4
-rw-r--r--src/output.cpp18
-rw-r--r--src/output.h11
-rw-r--r--src/run.cpp11
-rw-r--r--src/run.h8
7 files changed, 31 insertions, 41 deletions
diff --git a/src/experiment.cpp b/src/experiment.cpp
index a6fdb8a..dcec720 100644
--- a/src/experiment.cpp
+++ b/src/experiment.cpp
@@ -87,10 +87,8 @@ Experiment::~Experiment() {
// forward <stride> exclusive OR and mask
// reverse <stride> addition and offset
// -o or --output output mode
-// hdr header only
-// csv csv only
-// both header + csv
-// table human-readable table of values
+// csv csv format (one entry per experiment)
+// table human-readable table of values (averaged)
// -n or --numa numa placement
// local local allocation of all chains
// xor <mask> exclusive OR and mask
@@ -282,12 +280,6 @@ int Experiment::parse_args(int argc, char* argv[]) {
this->output_mode = TABLE;
} else if (strcasecmp(argv[i], "csv") == 0) {
this->output_mode = CSV;
- } else if (strcasecmp(argv[i], "both") == 0) {
- this->output_mode = BOTH;
- } else if (strcasecmp(argv[i], "hdr") == 0) {
- this->output_mode = HEADER;
- } else if (strcasecmp(argv[i], "header") == 0) {
- this->output_mode = HEADER;
} else {
error = 1;
break;
@@ -364,10 +356,8 @@ int Experiment::parse_args(int argc, char* argv[]) {
printf("Note: <stride> is always a small positive integer.\n");
printf("\n");
printf("<format> is selected from the following:\n");
- printf(" hdr # csv header only\n");
- printf(" csv # results in csv format only\n");
- printf(" both # header and results in csv format\n");
- printf(" table # human-readable table of values\n");
+ printf(" csv # results in csv format (one entry per experiment)\n");
+ printf(" table # human-readable table of values (averaged)\n");
printf("\n");
printf("<hint> is selected from the following:\n");
printf(" none # do not use prefetching\n");
diff --git a/src/experiment.h b/src/experiment.h
index 38aee3c..332835d 100644
--- a/src/experiment.h
+++ b/src/experiment.h
@@ -63,7 +63,7 @@ public:
enum { NONE, T0, T1, T2, NTA }
prefetch_hint; // use of prefetching
- enum { CSV, BOTH, HEADER, TABLE }
+ enum { CSV, TABLE }
output_mode; // results output mode
enum { RANDOM, STRIDED }
diff --git a/src/main.cpp b/src/main.cpp
index 9684f58..4200b3b 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -83,9 +83,9 @@ int main(int argc, char* argv[]) {
}
int64 ops = Run::ops_per_chain();
- double secs = Run::seconds();
+ std::vector<double> seconds = Run::seconds();
- Output::print(e, ops, secs, clk_res);
+ Output::print(e, ops, seconds, clk_res);
return 0;
}
diff --git a/src/output.cpp b/src/output.cpp
index 78a61da..c675945 100644
--- a/src/output.cpp
+++ b/src/output.cpp
@@ -27,20 +27,20 @@
// Implementation
//
-void Output::print(Experiment &e, int64 ops, double secs, double ck_res) {
+void Output::print(Experiment &e, int64 ops, std::vector<double> seconds, double ck_res) {
if (e.output_mode == Experiment::CSV) {
- Output::csv(e, ops, secs, ck_res);
- } else if (e.output_mode == Experiment::BOTH) {
- Output::header(e, ops, secs, ck_res);
- Output::csv(e, ops, secs, ck_res);
- } else if (e.output_mode == Experiment::HEADER) {
- Output::header(e, ops, secs, ck_res);
+ Output::header(e, ops, ck_res);
+ for (int i = 0; i < seconds.size(); i++)
+ Output::csv(e, ops, seconds[i], ck_res);
} else {
- Output::table(e, ops, secs, ck_res);
+ long double averaged_seconds = 0;
+ for (int i = 0; i < seconds.size(); i++)
+ averaged_seconds += seconds[i];
+ Output::table(e, ops, (double) (averaged_seconds/seconds.size()), ck_res);
}
}
-void Output::header(Experiment &e, int64 ops, double secs, double ck_res) {
+void Output::header(Experiment &e, int64 ops, double ck_res) {
printf("pointer size (bytes),");
printf("cache line size (bytes),");
printf("page size (bytes),");
diff --git a/src/output.h b/src/output.h
index 42e3199..af718f0 100644
--- a/src/output.h
+++ b/src/output.h
@@ -18,6 +18,9 @@
#if !defined(OUTPUT_H)
#define OUTPUT_H
+// System includes
+#include <vector>
+
// Local includes
#include "types.h"
#include "experiment.h"
@@ -29,10 +32,10 @@
class Output {
public:
- static void print(Experiment &e, int64 ops, double secs, double ck_res);
- static void header(Experiment &e, int64 ops, double secs, double ck_res);
- static void csv(Experiment &e, int64 ops, double secs, double ck_res);
- static void table(Experiment &e, int64 ops, double secs, double ck_res);
+ static void print(Experiment &e, int64 ops, std::vector<double> seconds, double ck_res);
+ static void header(Experiment &e, int64 ops, double ck_res);
+ static void csv(Experiment &e, int64 ops, double seconds, double ck_res);
+ static void table(Experiment &e, int64 ops, double seconds, double ck_res);
private:
};
diff --git a/src/run.cpp b/src/run.cpp
index 57c03d8..75f716c 100644
--- a/src/run.cpp
+++ b/src/run.cpp
@@ -22,7 +22,6 @@
#include <cstdlib>
#include <unistd.h>
#include <cstddef>
-#include <vector>
#if defined(NUMA)
#include <numa.h>
#endif
@@ -48,7 +47,7 @@ static benchmark chase_pointers(int64 chains_per_thread,
Lock Run::global_mutex;
int64 Run::_ops_per_chain = 0;
-double Run::_seconds = 1E9;
+std::vector<double> Run::_seconds;
Run::Run() :
exp(NULL), bp(NULL) {
@@ -189,7 +188,7 @@ int Run::run() {
if (this->thread_id() == 0) {
double delta = stop - start;
if (0 < delta) {
- Run::_seconds = min(Run::_seconds, delta);
+ Run::_seconds.push_back(delta);
}
}
}
@@ -272,11 +271,9 @@ Run::random_mem_init(Chain *mem) {
+ link_within_line;
if (root == 0) {
-// printf("root = %d(%d)[0x%x].\n", page, line_within_page, mem+link);
prev = root = mem + link;
local_ops_per_chain += 1;
} else {
-// printf("0x%x = %d(%d)[0x%x].\n", prev, page, line_within_page, mem+link);
prev->next = mem + link;
prev = prev->next;
local_ops_per_chain += 1;
@@ -303,11 +300,9 @@ Run::forward_mem_init(Chain *mem) {
for (int i = 0; i < this->exp->lines_per_chain; i += this->exp->stride) {
int link = i * this->exp->links_per_line + link_within_line;
if (root == NULL) {
-// printf("root = %d(%d)[0x%x].\n", page, line_within_page, mem+link);
prev = root = mem + link;
local_ops_per_chain += 1;
} else {
-// printf("0x%x = %d(%d)[0x%x].\n", prev, page, line_within_page, mem+link);
prev->next = mem + link;
prev = prev->next;
local_ops_per_chain += 1;
@@ -339,11 +334,9 @@ Run::reverse_mem_init(Chain *mem) {
for (int i = last; 0 <= i; i -= stride) {
int link = i * this->exp->links_per_line + link_within_line;
if (root == 0) {
-// printf("root = %d(%d)[0x%x].\n", page, line_within_page, mem+link);
prev = root = mem + link;
local_ops_per_chain += 1;
} else {
-// printf("0x%x = %d(%d)[0x%x].\n", prev, page, line_within_page, mem+link);
prev->next = mem + link;
prev = prev->next;
local_ops_per_chain += 1;
diff --git a/src/run.h b/src/run.h
index 486240b..5358a49 100644
--- a/src/run.h
+++ b/src/run.h
@@ -18,6 +18,10 @@
#if !defined(RUN_H)
#define RUN_H
+// System includes
+#include <vector>
+
+
// Local includes
#include "thread.h"
#include "lock.h"
@@ -41,7 +45,7 @@ public:
static int64 ops_per_chain() {
return _ops_per_chain;
}
- static double seconds() {
+ static std::vector<double> seconds() {
return _seconds;
}
@@ -56,7 +60,7 @@ private:
static Lock global_mutex; // global lock
static int64 _ops_per_chain; // total number of operations per chain
- static double _seconds; // total number of seconds
+ static std::vector<double> _seconds; // number of seconds for each experiment
};
#endif
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