diff --git a/CHANGELOGS.rst b/CHANGELOGS.rst
index e36fec19..ac81fbb7 100644
--- a/CHANGELOGS.rst
+++ b/CHANGELOGS.rst
@@ -4,6 +4,7 @@ Change Logs
 0.7.1
 +++++
 
+* :pr:`156`, :pr:`157`: add plots and other options to deal with the unpredictable
 * :pr:`155`: better aggregation of historical data
 * :pr:`151`, :pr:`153`: adds command line ``agg``, class CubeLogsPerformance to produce timeseries
 * :pr:`152`: add a function to compute fully dynamic shapes given any inputs
diff --git a/_unittests/ut_helpers/test_log_helper.py b/_unittests/ut_helpers/test_log_helper.py
index cd8594c0..e3c1a6de 100644
--- a/_unittests/ut_helpers/test_log_helper.py
+++ b/_unittests/ut_helpers/test_log_helper.py
@@ -204,7 +204,7 @@ def test_enumerate_csv_files(self):
         self.assertEqual((3, 11), cube.shape)
         self.assertIn("RAWFILENAME", cube.data.columns)
 
-    def test_cube_logs_performance(self):
+    def test_cube_logs_performance1(self):
         output = self.get_dump_file("test_cube_logs_performance.xlsx")
         filename = os.path.join(os.path.dirname(__file__), "data", "data-agg.zip")
         assert list(enumerate_csv_files(filename))
@@ -229,6 +229,31 @@ def test_cube_logs_performance(self):
         )
         self.assertExists(output)
 
+    def test_cube_logs_performance2(self):
+        output = self.get_dump_file("test_cube_logs_performance.xlsx")
+        filename = os.path.join(os.path.dirname(__file__), "data", "data-agg.zip")
+        assert list(enumerate_csv_files(filename))
+        dfs = [open_dataframe(df) for df in enumerate_csv_files(filename)]
+        assert dfs, f"{filename!r} empty"
+        cube = CubeLogsPerformance(dfs, keep_last_date=True)
+        cube.load()
+        cube.to_excel(
+            output,
+            views=[
+                "agg-suite",
+                "disc",
+                "speedup",
+                "counts",
+                "time",
+                "time_export",
+                "err",
+                # "cmd",
+                "bucket-speedup",
+                "raw-short",
+            ],
+        )
+        self.assertExists(output)
+
     def test_duplicate(self):
         df = pandas.DataFrame(
             [
diff --git a/onnx_diagnostic/_command_lines_parser.py b/onnx_diagnostic/_command_lines_parser.py
index 806068d5..793fd4b8 100644
--- a/onnx_diagnostic/_command_lines_parser.py
+++ b/onnx_diagnostic/_command_lines_parser.py
@@ -637,6 +637,14 @@ def get_parser_agg() -> ArgumentParser:
         action=BooleanOptionalAction,
         help="Keeps only the most recent experiment for the same of keys.",
     )
+    parser.add_argument(
+        "--keep-last-date",
+        default=False,
+        action=BooleanOptionalAction,
+        help="Rewrite all dates to the last one to simplifies the analysis, "
+        "this assume changing the date does not add ambiguity, if any, option "
+        "--recent should be added.",
+    )
     parser.add_argument(
         "--raw",
         default=True,
@@ -653,6 +661,12 @@ def get_parser_agg() -> ArgumentParser:
         "multiple values are separated by `,`\n"
         "regular expressions are allowed",
     )
+    parser.add_argument(
+        "--drop-keys",
+        default="",
+        help="Drops keys from the given list. Something it is faster "
+        "to remove one than to select all the remaining ones.",
+    )
     parser.add_argument(
         "-w",
         "--values",
@@ -679,7 +693,7 @@ def get_parser_agg() -> ArgumentParser:
     )
     parser.add_argument(
         "--views",
-        default="agg-suite,disc,speedup,time,time_export,err,cmd,"
+        default="agg-suite,agg-all,disc,speedup,time,time_export,err,cmd,"
         "bucket-speedup,raw-short,counts,peak-gpu",
         help="Views to add to the output files.",
     )
@@ -719,14 +733,16 @@ def _cmd_agg(argv: List[Any]):
         ), f"Missing time column {args.time!r} in {c!r}\n{df.head()}\n{sorted(df.columns)}"
         dfs.append(df)
 
+    drop_keys = set(args.drop_keys.split(","))
     cube = CubeLogsPerformance(
         dfs,
         time=args.time,
-        keys=[a for a in args.keys.split(",") if a],
+        keys=[a for a in args.keys.split(",") if a and a not in drop_keys],
         values=[a for a in args.values.split(",") if a],
         ignored=[a for a in args.ignored.split(",") if a],
         recent=args.recent,
         formulas={k: k for k in args.formula.split(",")},
+        keep_last_date=args.keep_last_date,
     )
     cube.load(verbose=max(args.verbose - 1, 0))
     if args.verbose:
diff --git a/onnx_diagnostic/helpers/log_helper.py b/onnx_diagnostic/helpers/log_helper.py
index 83ee77ac..cd786b23 100644
--- a/onnx_diagnostic/helpers/log_helper.py
+++ b/onnx_diagnostic/helpers/log_helper.py
@@ -372,7 +372,7 @@ def to_images(
         if merge:
             nn = len(df.columns) // 2
             nn += nn % 2
-            fig, axs = plt.subplots(nn, 2, figsize=(12, 3 * nn))
+            fig, axs = plt.subplots(nn, 2, figsize=(12, 3 * nn * df.shape[0] / 12))
             pos = 0
             for c in loop:
                 ax = axs[pos // 2, pos % 2]
@@ -455,6 +455,7 @@ def __init__(
             ]
         ] = None,
         fill_missing: Optional[Sequence[Tuple[str, Any]]] = None,
+        keep_last_date: bool = False,
     ):
         self._data = data
         self._time = time
@@ -464,6 +465,7 @@ def __init__(
         self.recent = recent
         self._formulas = formulas
         self.fill_missing = fill_missing
+        self.keep_last_date = keep_last_date
 
     def post_load_process_piece(
         self, df: pandas.DataFrame, unique: bool = False
@@ -613,6 +615,16 @@ def load(self, verbose: int = 0):
             if self.keys_with_nans:
                 print(f"[CubeLogs.load] keys_with_nans={self.keys_with_nans}")
         self.data[self.time] = pandas.to_datetime(self.data[self.time])
+
+        if self.keep_last_date:
+            times = self.data[self.time].dropna()
+            mi, mx = times.min(), times.max()
+            if mi != mx:
+                print(f"[CubeLogs.load] setting all dates in column {self.time} to {mx!r}")
+                self.data.loc[~self.data[self.time].isna(), self.time] = mx
+                self.values_for_key[self.time] = {mx}
+                if self.data[self.time].isna().max():
+                    self.values_for_key[self.time].add(np.nan)
         if verbose:
             print(f"[CubeLogs.load] done, shape={self.shape}")
         return self
@@ -821,11 +833,6 @@ def view(
             unique = set()
 
         _md = lambda s: {k: v for k, v in self.values_for_key.items() if k in s}  # noqa: E731
-        assert key_index, (
-            f"view_def.name={view_def.name!r}, "
-            f"key_index should not be empty, got initially {key_index0!r}, "
-            f"unique={_md(key_index0)}"
-        )
         all_cols = set(key_columns) | set(key_index) | set(key_agg) | unique
         assert all_cols == set(self.keys_time), (
             f"view_def.name={view_def.name!r}, "
@@ -870,12 +877,6 @@ def view(
             key_columns = [c for c in key_columns if c not in seti]
             values = [c for c in values if c not in seti]
 
-        assert key_index, (
-            f"view_def.name={view_def.name!r}, view_def={view_def}, "
-            f"key_index is empty, key_columns={key_columns}, value={values}, "
-            f"columns={data.columns},shape={data.shape}"
-        )
-
         # final verification
         if verbose:
             print(f"[CubeLogs.view] key_index={key_index}")
@@ -896,7 +897,14 @@ def view(
         # pivot
         if verbose:
             print(f"[CubeLogs.view] values={values}")
-        piv = data.pivot(index=key_index[::-1], columns=key_columns, values=values)
+        if key_index:
+            piv = data.pivot(index=key_index[::-1], columns=key_columns, values=values)
+        else:
+            # pivot does return the same rank with it is empty.
+            # Let's add arficially one
+            data = data.copy()
+            data["ALL"] = "ALL"
+            piv = data.pivot(index=["ALL"], columns=key_columns, values=values)
         if isinstance(piv, pandas.Series):
             piv = piv.to_frame(name="series")
         names = list(piv.columns.names)
@@ -1106,7 +1114,7 @@ def to_excel(
                 if memory > 2**22:
                     msg = (
                         f"[CubeLogs.to_excel] skipping {name!r}, "
-                        f"too big for excel {memory} bytes"
+                        f"too big for excel with {memory} bytes"
                     )
                     if verbose:
                         print(msg)
@@ -1123,13 +1131,26 @@ def to_excel(
                         plots.append(CubePlot(df, kind="barh", orientation="row", split=True))
             if raw:
                 assert main not in views, f"{main!r} is duplicated in views {sorted(views)}"
-                if verbose:
-                    print(f"[CubeLogs.to_excel] add sheet {raw!r} with shape {self.shape}")
-                self.data.to_excel(writer, sheet_name=raw, freeze_panes=(1, 1), index=True)
                 # Too long.
                 # self._apply_excel_style(raw, writer, self.data)
                 if csv and "raw" in csv:
                     df.reset_index(drop=False).to_csv(f"{output}.raw.csv", index=False)
+                memory = df.memory_usage(deep=True).sum()
+                if memory > 2**22:
+                    msg = (
+                        f"[CubeLogs.to_excel] skipping 'raw', "
+                        f"too big for excel with {memory} bytes"
+                    )
+                    if verbose:
+                        print(msg)
+                    else:
+                        warnings.warn(msg, category=RuntimeWarning, stacklevel=0)
+                else:
+                    if verbose:
+                        print(f"[CubeLogs.to_excel] add sheet 'raw' with shape {self.shape}")
+                    self.data.to_excel(
+                        writer, sheet_name="raw", freeze_panes=(1, 1), index=True
+                    )
 
             if plots:
                 from openpyxl.drawing.image import Image
@@ -1236,6 +1257,7 @@ def __init__(
             "time_export_unbiased",
         ),
         fill_missing: Optional[Sequence[Tuple[str, Any]]] = (("model_attn_impl", "eager"),),
+        keep_last_date: bool = False,
     ):
         super().__init__(
             data=data,
@@ -1246,6 +1268,7 @@ def __init__(
             recent=recent,
             formulas=formulas,
             fill_missing=fill_missing,
+            keep_last_date=keep_last_date,
         )
 
     def _process_formula(
@@ -1577,6 +1600,34 @@ def mean_geo(gr):
                 keep_columns_in_index=["suite"],
                 name="agg-suite",
                 order=order,
+            ),
+            "agg-all": lambda: CubeViewDef(
+                key_index=index_cols,
+                values=self._filter_column(
+                    [
+                        "TIME_ITER",
+                        "speedup",
+                        "time_latency",
+                        "time_latency_eager",
+                        "time_export_success",
+                        "time_export_unbiased",
+                        "^n_.*",
+                        "target_opset",
+                        "onnx_filesize",
+                        "onnx_weight_size_torch",
+                        "onnx_weight_size_proto",
+                        "onnx_n_nodes",
+                        "peak_gpu_torch",
+                        "peak_gpu_nvidia",
+                    ],
+                    self.values,
+                ),
+                ignore_unique=True,
+                key_agg=["model_name", "task", "model_task", "suite"],
+                agg_args=lambda column_name: "sum" if column_name.startswith("n_") else "mean",
+                agg_multi={"speedup_weighted": mean_weight, "speedup_geo": mean_geo},
+                name="agg-all",
+                order=order,
                 plots=True,
             ),
             "disc": lambda: CubeViewDef(