Remove the old bash script and update README.md and CLAUDE.md

speedtest-hd.py

@@ -8,7 +8,7 @@ for diagnosing ZFS ZIL performance (NFS / iSCSI / VM sync workloads).
 Three profiles
 --------------
 * **cdm**  — the four CrystalDiskMark default tests (``SEQ1M Q8T1``, ``SEQ1M
-  Q1T1``, ``RND4K Q32T1``, ``RND4K Q32T16``), each measured for read *and*
+  Q1T1``, ``RND4K Q32T16``, ``RND4K Q1T1``), each measured for read *and*
   write, reported in MB/s and IOPS.
 * **slog** — synchronous 4K random writes swept across thread counts, reporting
   IOPS, MB/s and p50/p99 *commit latency*. This is the load a ZFS SLOG sees.
@@ -124,13 +124,13 @@ class CdmTest:
         return "write" if self.seq else "randwrite"
 
 
-# The four CrystalDiskMark default tests, as data. Q = queue depth (iodepth),
-# T = threads (numjobs).
+# The four CrystalDiskMark default tests, as data, in CrystalDiskMark's own
+# display order. Q = queue depth (iodepth), T = threads (numjobs).
 CDM_TESTS: tuple[CdmTest, ...] = (
     CdmTest("SEQ1M  Q8T1",   bs="1m", iodepth=8,  numjobs=1,  seq=True),
     CdmTest("SEQ1M  Q1T1",   bs="1m", iodepth=1,  numjobs=1,  seq=True),
-    CdmTest("RND4K  Q32T1",  bs="4k", iodepth=32, numjobs=1,  seq=False),
     CdmTest("RND4K  Q32T16", bs="4k", iodepth=32, numjobs=16, seq=False),
+    CdmTest("RND4K  Q1T1",   bs="4k", iodepth=1,  numjobs=1,  seq=False),
 )
 
 # Thread counts for the SLOG sweep. T1 is the headline single-stream latency;