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authorNiall Douglas (s [underscore] sourceforge {at} nedprod [dot] com) <spamtrap@nedprod.com>2017-08-09 02:50:25 +0300
committerNiall Douglas (s [underscore] sourceforge {at} nedprod [dot] com) <spamtrap@nedprod.com>2017-08-09 02:50:25 +0300
commit265552e73ef3025bc459dc14f9429c40b0f93b56 (patch)
tree425ed662572691c026fdaf4bf0326539263f7a10 /release_notes.md
parente558d520a3d64eeb664404f0f8cc8099b28a541f (diff)
Fix broken table
Diffstat (limited to 'release_notes.md')
-rw-r--r--release_notes.md22
1 files changed, 17 insertions, 5 deletions
diff --git a/release_notes.md b/release_notes.md
index 7912d06e..fec4b0c7 100644
--- a/release_notes.md
+++ b/release_notes.md
@@ -14,10 +14,10 @@ source code repository lives at https://github.com/ned14/boost.afio.
<table border="0" cellpadding="4">
<tr>
-<th colspan="2">Why you might need AFIO</th>
+<th colspan="4"><u>Why you might need AFIO</u></th>
</tr>
<tr>
-<td>
+<td valign="top">
Average 4Kb transfer latencies for the physical hardware:
- Average read spinning rust hard drive latency @ QD1: **7000us**
- Average read SATA flash drive latency @ QD1: **800us**
@@ -27,7 +27,7 @@ Average 4Kb transfer latencies for the physical hardware:
- Average read XPoint drive latency @ QD1: **10us**
- Average RTT PCIe latency: **0.5us**
</td>
-<td>
+<td valign="top">
Max bandwidth for the physical hardware:
- DDR4 2133: **30Gb/sec** (main memory)
- x4 PCIe 4.0: **7.5Gb/sec** (arrives end of 2017, the 2018 NVMe drives will use PCIe 4.0)
@@ -36,11 +36,23 @@ Max bandwidth for the physical hardware:
- 2017 NVMe flash drive (x4 PCIe 3.0): **2Gb/sec**
- 10Gbit LAN: **1.2Gb/sec**
</td>
-<td>
-Average 4Kb transfer latencies for the software with `O_DIRECT`:
+<td valign="top">
+Average 4Kb transfer latencies for the software with STL iostreams:
- Average read spinning rust hard drive latency @ QD1: **TODO**
- Average read SATA flash drive latency @ QD1: **TODO**
- Average read NVMe flash drive latency @ QD1: **TODO**
+- Average read spinning rust hard drive latency @ QD8: **TODO**
+- Average read SATA flash drive latency @ QD8: **TODO**
+- Average read NVMe flash drive latency @ QD8: **TODO**
+</td>
+<td valign="top">
+Average 4Kb transfer latencies for the software with AFIO:
+- Average read spinning rust hard drive latency @ QD1: **TODO**
+- Average read SATA flash drive latency @ QD1: **TODO**
+- Average read NVMe flash drive latency @ QD1: **TODO**
+- Average read spinning rust hard drive latency @ QD8: **TODO**
+- Average read SATA flash drive latency @ QD8: **TODO**
+- Average read NVMe flash drive latency @ QD8: **TODO**
</td>
</tr>
</table>