Add 16384 to the default bssl speed sizes.

When servers have a lot of data to send and aren't as latency-sensitive,
it makes sense to send large TLS records, so we care about measuring
both packet-sized and full-sized payloads.

Change-Id: Ib0cf5e0f8660f68a98a04fa86b5989d4a485528b
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/35344
Reviewed-by: Adam Langley <agl@google.com>

tool/speed.cc

diff --git a/tool/speed.cc b/tool/speed.cc
index 14379cd..a0fc905 100644
--- a/tool/speed.cc
+++ b/tool/speed.cc
@@ -99,7 +99,7 @@
 #endif
 
 static uint64_t g_timeout_seconds = 1;
-static std::vector<size_t> g_chunk_lengths = {16, 256, 1350, 8192};
+static std::vector<size_t> g_chunk_lengths = {16, 256, 1350, 8192, 16384};
 
 static bool TimeFunction(TimeResults *results, std::function<bool()> func) {
   // total_us is the total amount of time that we'll aim to measure a function
@@ -846,7 +846,7 @@
         "-chunks",
         kOptionalArgument,
         "A comma-separated list of input sizes to run tests at (default is "
-        "16,256,1350,8192)",
+        "16,256,1350,8192,16384)",
     },
     {
         "",