Re #20599 - restored system_test_speed. Updated docs.

Updated pictures for SofQW docs - old bins should be parallelograms
Added equations for signal and error in Rebin and Rebin2D

docs/source/algorithms/Rebin-v1.rst

@@ -26,6 +26,15 @@ be no gaps between bins. Rebin ensures that any of these space filling
 bins cannot be less than 25% or more than 125% of the width that was
 specified.
 
+In both cases, where a new bin only partially overlaps one or more input 
+bins, the new counts are calculated as the sum of the old bins weighted 
+by the fractional overlaping widths of the new bin over the old bin:
+
+.. math:: Y^{\mathrm{new}} = \sum_i Y^{\mathrm{old}}_i F_i
+.. math:: E^{\mathrm{new}} = \sqrt{\sum_i (E^{\mathrm{old}}_i)^2 F_i}
+
+where :math:`F_i = w^{\mathrm{overlap}}_i / w^{\mathrm{old}}_i` is the
+ratio of the overlap width of the new and old bin over the old bin width.
 
 .. _rebin-example-strings:
 
@@ -79,7 +88,6 @@ following will happen:
 Hence the actual *Param* string used is "0, 2, 4, 3, 10".
 
 
-
 .. _rebin-usage:
 
 Usage

docs/source/algorithms/Rebin2D-v1.rst

@@ -14,8 +14,15 @@ The bin parameters are used to form an output grid. A positive
 create logarithmic binning using the formula
 :math:`x(j+1)=x(j)(1+|\Delta x_i|)\,`. The overlap of the polygons
 formed from the old and new grids is tested to compute the required
-signal weight for the each of the new bins on the workspace. The errors
-are summed in quadrature.
+signal weight for the each of the new bins on the workspace, like in
+:ref:`algm-Rebin`, and the errors are summed in quadrature, as:
+
+.. math:: Y^{\mathrm{new}} = \sum_i Y^{\mathrm{old}}_i F_i
+.. math:: E^{\mathrm{new}} = \sqrt{\sum_i (E^{\mathrm{old}}_i)^2 F_i}
+
+where :math:`F_i = A^{\mathrm{overlap}}_i / A^{\mathrm{old}}_i` is the
+ratio of the overlap area of the new and old bin over the area of the
+old bin.
 
 Requirements
 ------------

tools/system_test_speed.py

+"""
+Usage system_test_speed.py <build-log> <output-csv>
+
+Given a the raw output from a Jenkins build server log this script will output
+a CSV file of the speed & memory for each system test.
+"""
+import sys
+
+with open(sys.argv[1], 'r') as f:
+    lines = f.readlines()
+
+lines = filter(lambda x: "RESULT|" in x or ": Executing" in x, lines)
+
+# Strip out tests that did not run
+# look ahead and remove tests that have no results
+idxs = []
+for i, (x, y) in enumerate(zip(lines, lines[1::])):
+    if "Executing" in x and "Executing" in y:
+        idxs.append(i)
+lines = [i for j, i in enumerate(lines) if j not in idxs]
+
+with open(sys.argv[2], 'w') as f:
+    f.write("name, time, memory\n")
+    for name, time, memory in zip(lines[::3], lines[1::3], lines[2::3]):
+        name = name.split("Executing")[-1].strip()
+        time = time.split("|1")[-1].strip()
+        memory = memory.split("|")[-1].strip()
+        f.write(", ".join([name, time, memory]) + "\n")