examples: add latency examples; update readme

examples/latency/README.md

@@ -0,0 +1,12 @@
+This example shows the latency measurement of the [writeheavy](../writeheavy/)
+and [readpopular](../readpopular/) examples. Their descriptions can be found in their own
+directories.
+
+AMD Ryzen 9 5950X CPU 0-15 results (writeheavy, [pdf](latency-writeheavy.pdf)):
+
+![latency-writeheavy](latency-writeheavy.png)
+
+
+AMD Ryzen 9 5950X CPU 0-15 results (readpopular, [pdf](latency-readpopular.pdf)):
+
+![latency-readpopular](latency-readpopular.png)

examples/latency/plot.gpl

@@ -0,0 +1,74 @@
+set terminal pdf size 10,3
+set xlabel "Threads"
+set key left top
+
+set output "latency-writeheavy.pdf"
+set multiplot layout 1,3
+set ylabel "Average Latency (ns)"
+plot [0:17] [0:] \
+    "chashmap-writeheavy.txt" using 2:20 with lp ti "chashmap",\
+    "contrie-writeheavy.txt" using 2:20 with lp ti "contrie",\
+    "dashmap-writeheavy.txt" using 2:20 with lp ti "dashmap",\
+    "flurry-writeheavy.txt" using 2:20 with lp ti "flurry",\
+    "papaya-writeheavy.txt" using 2:20 with lp ti "papaya",\
+    "scchashmap-writeheavy.txt" using 2:20 with lp ti "scchashmap",\
+    "mutex_hashmap-writeheavy.txt" using 2:20 with lp ti "mutexhashmap",\
+    "rwlock_hashmap-writeheavy.txt" using 2:20 with lp ti "rwlockhashmap"
+
+set ylabel "P99 Latency (ns)"
+plot [0:17] [0:] \
+    "chashmap-writeheavy.txt" using 2:26 with lp ti "chashmap",\
+    "contrie-writeheavy.txt" using 2:26 with lp ti "contrie",\
+    "dashmap-writeheavy.txt" using 2:26 with lp ti "dashmap",\
+    "flurry-writeheavy.txt" using 2:26 with lp ti "flurry",\
+    "papaya-writeheavy.txt" using 2:26 with lp ti "papaya",\
+    "scchashmap-writeheavy.txt" using 2:26 with lp ti "scchashmap",\
+    "mutex_hashmap-writeheavy.txt" using 2:26 with lp ti "mutexhashmap",\
+    "rwlock_hashmap-writeheavy.txt" using 2:26 with lp ti "rwlockhashmap"
+
+set ylabel "P999 Latency (ns)"
+plot [0:17] [0:] \
+    "chashmap-writeheavy.txt" using 2:28 with lp ti "chashmap",\
+    "contrie-writeheavy.txt" using 2:28 with lp ti "contrie",\
+    "dashmap-writeheavy.txt" using 2:28 with lp ti "dashmap",\
+    "flurry-writeheavy.txt" using 2:28 with lp ti "flurry",\
+    "papaya-writeheavy.txt" using 2:28 with lp ti "papaya",\
+    "scchashmap-writeheavy.txt" using 2:28 with lp ti "scchashmap",\
+    "mutex_hashmap-writeheavy.txt" using 2:28 with lp ti "mutexhashmap",\
+    "rwlock_hashmap-writeheavy.txt" using 2:28 with lp ti "rwlockhashmap"
+
+unset multiplot
+set output "latency-readpopular.pdf"
+set multiplot layout 1,3
+set ylabel "Average Latency (ns)"
+plot [0:17] [0:] \
+    "chashmap-readpopular.txt" using 2:20 with lp ti "chashmap",\
+    "contrie-readpopular.txt" using 2:20 with lp ti "contrie",\
+    "dashmap-readpopular.txt" using 2:20 with lp ti "dashmap",\
+    "flurry-readpopular.txt" using 2:20 with lp ti "flurry",\
+    "papaya-readpopular.txt" using 2:20 with lp ti "papaya",\
+    "scchashmap-readpopular.txt" using 2:20 with lp ti "scchashmap",\
+    "mutex_hashmap-readpopular.txt" using 2:20 with lp ti "mutexhashmap",\
+    "rwlock_hashmap-readpopular.txt" using 2:20 with lp ti "rwlockhashmap"
+
+set ylabel "P99 Latency (ns)"
+plot [0:17] [0:] \
+    "chashmap-readpopular.txt" using 2:26 with lp ti "chashmap",\
+    "contrie-readpopular.txt" using 2:26 with lp ti "contrie",\
+    "dashmap-readpopular.txt" using 2:26 with lp ti "dashmap",\
+    "flurry-readpopular.txt" using 2:26 with lp ti "flurry",\
+    "papaya-readpopular.txt" using 2:26 with lp ti "papaya",\
+    "scchashmap-readpopular.txt" using 2:26 with lp ti "scchashmap",\
+    "mutex_hashmap-readpopular.txt" using 2:26 with lp ti "mutexhashmap",\
+    "rwlock_hashmap-readpopular.txt" using 2:26 with lp ti "rwlockhashmap"
+
+set ylabel "P999 Latency (ns)"
+plot [0:17] [0:] \
+    "chashmap-readpopular.txt" using 2:28 with lp ti "chashmap",\
+    "contrie-readpopular.txt" using 2:28 with lp ti "contrie",\
+    "dashmap-readpopular.txt" using 2:28 with lp ti "dashmap",\
+    "flurry-readpopular.txt" using 2:28 with lp ti "flurry",\
+    "papaya-readpopular.txt" using 2:28 with lp ti "papaya",\
+    "scchashmap-readpopular.txt" using 2:28 with lp ti "scchashmap",\
+    "mutex_hashmap-readpopular.txt" using 2:28 with lp ti "mutexhashmap",\
+    "rwlock_hashmap-readpopular.txt" using 2:28 with lp ti "rwlockhashmap"

examples/latency/run.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+
+DIR="$( cd -- "$(dirname "$0")" >/dev/null 2>&1 ; pwd -P )"
+
+cargo +stable build --profile release-lto --all-features
+
+STORE_DIR=$DIR/../../presets/stores
+
+STORES="chashmap contrie dashmap flurry papaya scchashmap mutex_hashmap rwlock_hashmap"
+
+for s in $STORES; do
+    for b in readpopular writeheavy; do
+        benchmark=$DIR/../$b/$b.toml
+        echo $s-$b
+        rm $s-$b.txt 2>/dev/null
+        for t in `seq 1 16`; do
+            data="$(env global.latency=true global.threads=$t cargo +stable run --profile release-lto --all-features -- bench -s $STORE_DIR/$s.toml -b $benchmark 2>/dev/null)"
+            echo "threads $t $data" | tee -a $s-$b.txt
+        done
+    done
+done
+
+gnuplot $DIR/plot.gpl

examples/mixed/README.md

@@ -68,6 +68,6 @@ The script file `run.sh` runs this benchmark against multiple stores with 32 thr
 Although the number of threads set in the configuration file is only 1, the number of threads are
 dynamically adjusted by setting `global.threads` to 32.
 
-5950X CPU 0-15 results ([pdf](mixed.pdf)):
+AMD Ryzen 9 5950X CPU 0-15 results ([pdf](mixed.pdf)):
 
 ![mixed](mixed.png)

examples/readpopular/README.md

@@ -37,6 +37,6 @@ In the second phase, worker threads execute the read-only workload that accesses
 The script file `run.sh` runs this benchmark against multiple stores with different number of
 threads. The number of threads are dynamically adjusted via `global.threads` environment variable.
 
-5950X CPU 0-15 results ([pdf](readpopular.pdf)):
+AMD Ryzen 9 5950X CPU 0-15 results ([pdf](readpopular.pdf)):
 
 ![readpopular](readpopular.png)

examples/writeheavy/README.md

@@ -36,6 +36,6 @@ when finished.
 The script file `run.sh` runs this benchmark against multiple stores with different number of
 threads. The number of threads are dynamically adjusted via `global.threads` environment variable.
 
-5950X CPU 0-15 results ([pdf](writeheavy.pdf)):
+AMD Ryzen 9 5950X CPU 0-15 results ([pdf](writeheavy.pdf)):
 
 ![writeheavy](writeheavy.png)