updated performance measurement scripts and instruction manual

Author: bragadeesh

src/scripts/perf/fftPerformanceTesting.py

@@ -91,18 +91,18 @@ def executable(library):
 
     if library == 'clFFT' or library == 'null':
         if sys.platform == 'win32':
-            exe = 'Client.exe'
+            exe = 'clFFT-client-2.5.0.exe'
         elif sys.platform == 'linux2':
-            exe = 'Client'
+            exe = 'clFFT-client-2.5.0'
+    elif library == 'cuFFT':
+        if sys.platform == 'win32':
+            exe = 'cuFFT-Client.exe'
+        elif sys.platform == 'linux2':
+            exe = 'cuFFT-Client'
     else:
         print 'ERROR: unknown library -- cannot determine executable name'
         quit()
 
-    if not os.path.isfile(exe):
-        error_message = 'ERROR: could not find client named ' + exe
-        print error_message
-        quit()
-
     return exe
 
 def max_mem_available_in_bytes(exe, device):
@@ -115,11 +115,8 @@ def max_mem_available_in_bytes(exe, device):
     return int(maxMemoryAvailable.group(0))
 
 def max_problem_size(exe, layout, precision, device):
-    if layout == 'ci' or layout == 'cp':
+    if layout == 1 or layout == 1:
         numbers_in_one_datapoint = 2
-    else:
-        print 'max_problem_size(): unknown layout'
-        quit()
 
     if precision == 'single':
         bytes_in_one_number = 4
@@ -129,18 +126,22 @@ def max_problem_size(exe, layout, precision, device):
         print 'max_problem_size(): unknown precision'
         quit()
 
-    max_problem_size = max_mem_available_in_bytes(exe, device) / (numbers_in_one_datapoint * bytes_in_one_number)
-    max_problem_size = max_problem_size / 16
+    max_problem_size = pow(2,25) #max_mem_available_in_bytes(exe, device)
+    if layout == '5':
+      max_problem_size = pow(2,24) #max_mem_available_in_bytes(exe, device)
+    #max_problem_size=max_problem_size/ (numbers_in_one_datapoint * bytes_in_one_number)
+    #max_problem_size = max_problem_size / 16
     return max_problem_size
 
 def maxBatchSize(lengthx, lengthy, lengthz, layout, precision, exe, device):
     problemSize = int(lengthx) * int(lengthy) * int(lengthz)
     maxBatchSize = max_problem_size(exe, layout, precision, device) / problemSize
-    if int(lengthx) == pow(2,16) or int(lengthx) == pow(2,17):
-        # special cases in the kernel. extra padding is added in, so we need to shrink the batch size to accommodate
-        return str(maxBatchSize/2)
-    else:
-        return str(maxBatchSize)
+    return str(maxBatchSize)
+    #if int(lengthx) == pow(2,16) or int(lengthx) == pow(2,17):
+    #    # special cases in the kernel. extra padding is added in, so we need to shrink the batch size to accommodate
+    #    return str(maxBatchSize/2)
+    #else:
+    #    return str(maxBatchSize)
 
 def create_ini_file_if_requested(args):
     if args.createIniFilename: