doc: Add an updated performance report

README.rst

@@ -254,6 +254,8 @@ xxhash are being used.
 Benchmark
 ---------
 
+.. _wrk: https://github.com/wg/wrk
+
 On a test system
 
 * HPE ProLiant DL380 Gen10 Plus
@@ -264,12 +266,12 @@ On a test system
 configured with
 
 * 26TB storage on a RAID-0 raw device over the SSDs
-* 300GB RAM cache using 1GB huge pages
+* 32GB RAM cache using 1GB huge pages
 
 under
 
-* Ubuntu 20.04.4 LTS (focal)
-* kernel 5.15.0-50-generic
+* Ubuntu 20.04.6 LTS (focal)
+* kernel 5.15.0-94-generic
 
 and benchmarked with
 
@@ -277,7 +279,7 @@ and benchmarked with
 
   * consequently, objsize_hint = 2MB
 
-* cURL requests to localhost over http
+* `wrk`_ requests to localhost over http
 
 * the tuning parameters::
 
@@ -285,12 +287,12 @@ and benchmarked with
     hash_obj=xxh3_64,
     hash_log=xxh3_64,
     mem_reserve_chunks=512,
-    discard=true
+    discard_immediate=2MB
 
 fellow typically outperforms the following minimum performance
 metrics:
 
-* 40 GiB/s for memory cache hits
+* 50 - 60 GiB/s for memory cache hits
 
 * 14 GiB/s for cache misses on an empty storage
 
@@ -298,8 +300,12 @@ metrics:
    discard requests
 
 These figures are in Gibibytes per second as reported by varnishstat
-in ``MAIN.s_resp_bodybytes`` and are not to be confused with figures
-in Gigabits per second.
+in `wrk`_ and are not to be confused with figures in Gigabits per
+second.
+
+.. _dev-03.rst: doc/perf/dev-03.rst
+
+See `dev-03.rst`_ for details.
 
 ACKNOWLEDGEMENTS
 ================