Minor Improvements in CK TILE memory copy EXAMPLE (#2678)

* Rename vector to ThreadTile

* more notes on tile encoding

* remove number<> from tuple of make_tile_window

* add script to stress test the copy example

example/ck_tile/39_copy/test_tile_example.sh

@@ -0,0 +1,50 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+BIN="${BIN:-../../../build/bin/tile_example_copy}"
+WARMUP="${WARMUP:-20}"
+REPEAT="${REPEAT:-100}"
+VALIDATE="${VALIDATE:-1}"
+
+MS=(128 256 512 1024)
+NS=(64 256 1024 2048 4096)
+PRECS=(fp16 fp32)
+
+echo "Using BIN=$BIN"
+echo "WARMUP=$WARMUP REPEAT=$REPEAT VALIDATE=$VALIDATE"
+
+failures=0
+
+for prec in "${PRECS[@]}"; do
+  for m in "${MS[@]}"; do
+    for n in "${NS[@]}"; do
+      echo "=============================================="
+      echo "Running: prec=$prec m=$m n=$n"
+      set +e
+      out="$("$BIN" -prec="$prec" -m="$m" -n="$n" -warmup="$WARMUP" -repeat="$REPEAT" -v="$VALIDATE" 2>&1)"
+      rc=$?
+      set -e
+
+      echo "$out"
+      if [[ $rc -ne 0 ]]; then
+        echo "RUN ERROR (rc=$rc) for m=$m n=$n prec=$prec"
+        ((failures++)) || true
+        continue
+      fi
+
+      if [[ "$VALIDATE" == "1" ]]; then
+        if ! grep -q "valid:y" <<<"$out"; then
+          echo "VALIDATION FAILED for m=$m n=$n prec=$prec"
+          ((failures++)) || true
+        fi
+      fi
+    done
+  done
+done
+
+echo "=============================================="
+if [[ $failures -eq 0 ]]; then
+  echo "All runs passed"
+else
+  echo "$failures runs failed"
+fi