Performance tests: Reduce acceptance threshold for bytes allocated tests

The "new" performance testing infrastructure resets the baseline after
every test so it's easy to miss gradual performance regressions over
time. We should at least make these numbers smaller to catch patches
which affect performance earlier.

1 files changed, 41 insertions, 41 deletions

diff --git a/testsuite/tests/perf/compiler/all.T b/testsuite/tests/perf/compiler/all.T
index cfc860d0b0..afac3752fa 100644
--- a/testsuite/tests/perf/compiler/all.T
+++ b/testsuite/tests/perf/compiler/all.T
@@ -30,7 +30,7 @@ setTestOpts(no_lint)
 test('T1969',
      [# expect_broken(12437),
       collect_compiler_stats(['peak_megabytes_allocated','max_bytes_used'],15),
-      collect_compiler_stats('bytes allocated',5),
+      collect_compiler_stats('bytes allocated', 1),
       only_ways(['normal']),
 
       extra_hc_opts('-dcore-lint -static'),
@@ -58,7 +58,7 @@ else:
 test('T3294',
      [
       collect_compiler_stats('max_bytes_used',15),
-      collect_compiler_stats('bytes allocated',5),
+      collect_compiler_stats('bytes allocated', 1),
       conf_3294,
 
       # Use `+RTS -G1` for more stable residency measurements. Note [residency].
@@ -72,7 +72,7 @@ test('T4801',
       # expect_broken(5224),
       # temporarily unbroken (#5227)
       # deactivated for now, as this metric became too volatile recently
-      collect_compiler_stats('bytes allocated',10),
+      collect_compiler_stats('bytes allocated',2),
       # collect_compiler_stats('max_bytes_used',5),
       only_ways(['normal']),
       extra_hc_opts('-static'),
@@ -85,7 +85,7 @@ test('T4801',
 
 test('T3064',
      [collect_compiler_stats('peak_megabytes_allocated',20),
-      collect_compiler_stats('bytes allocated',10),
+      collect_compiler_stats('bytes allocated',2),
 
       # deactivated for now, as this metric became too volatile recently
       # collect_compiler_stats('max_bytes_used',20)
@@ -101,7 +101,7 @@ test('T3064',
 test('T4007', normal, makefile_test, ['T4007'])
 
 test('T5030',
-     [collect_compiler_stats('bytes allocated', 10),
+     [collect_compiler_stats('bytes allocated', 2),
 
        only_ways(['normal'])
       ],
@@ -109,14 +109,14 @@ test('T5030',
      ['-freduction-depth=300'])
 
 test('T5631',
-     [collect_compiler_stats('bytes allocated',10),
+     [collect_compiler_stats('bytes allocated',2),
       only_ways(['normal'])
       ],
      compile,
      [''])
 
 test('parsing001',
-     [collect_compiler_stats('bytes allocated',10),
+     [collect_compiler_stats('bytes allocated',2),
        only_ways(['normal']),
       ],
      compile_fail, [''])
@@ -124,45 +124,45 @@ test('parsing001',
 
 test('T783',
      [ only_ways(['normal']),  # no optimisation for this one
-      collect_compiler_stats('bytes allocated',10),
+      collect_compiler_stats('bytes allocated',2),
       extra_hc_opts('-static')
       ],
       compile,[''])
 
 test('T5321Fun',
      [ only_ways(['normal']),  # no optimisation for this one
-       collect_compiler_stats('bytes allocated',10)
+       collect_compiler_stats('bytes allocated',2)
       ],
       compile,[''])
 
 test('T5321FD',
      [ only_ways(['normal']),  # no optimisation for this one
-      collect_compiler_stats('bytes allocated',10)
+      collect_compiler_stats('bytes allocated',2)
       ],
       compile,[''])
 
 test('T5642',
      [ only_ways(['normal']),
        normal,
-       collect_compiler_stats('bytes allocated',10)
+       collect_compiler_stats('bytes allocated',2)
       ],
       compile,['-O'])
 
 test('T5837',
      [ only_ways(['normal']),
-      collect_compiler_stats('bytes allocated',10)
+      collect_compiler_stats('bytes allocated',2)
       ],
       compile, ['-freduction-depth=50'])
 
 test('T6048',
      [ only_ways(['optasm']),
-      collect_compiler_stats('bytes allocated',10)
+      collect_compiler_stats('bytes allocated',2)
       ],
       compile,[''])
 
 test('T9020',
      [ only_ways(['optasm']),
-      collect_compiler_stats('bytes allocated',10)
+      collect_compiler_stats('bytes allocated',2)
       ],
       compile,[''])
 
@@ -170,7 +170,7 @@ test('T9675',
      [ only_ways(['optasm']),
        # Note [residency]
        collect_compiler_stats(['max_bytes_used','peak_megabytes_allocated'],15),
-       collect_compiler_stats('bytes allocated',10),
+       collect_compiler_stats('bytes allocated',2),
 
        # Use `+RTS -G1` for more stable residency measurements. Note [residency].
        extra_hc_opts('+RTS -G1 -RTS')
@@ -180,40 +180,40 @@ test('T9675',
 
 test('T9872a',
      [ only_ways(['normal']),
-       collect_compiler_stats('bytes allocated',5)
+       collect_compiler_stats('bytes allocated', 1)
       ],
      compile_fail,
      [''])
 
 test('T9872b',
      [ only_ways(['normal']),
-       collect_compiler_stats('bytes allocated',5)
+       collect_compiler_stats('bytes allocated', 1)
       ],
      compile_fail,
      [''])
 test('T9872c',
      [ only_ways(['normal']),
-       collect_compiler_stats('bytes allocated',5)
+       collect_compiler_stats('bytes allocated', 1)
       ],
      compile_fail,
      [''])
 test('T9872d',
      [ only_ways(['normal']),
-       collect_compiler_stats('bytes allocated',5)
+       collect_compiler_stats('bytes allocated', 1)
       ],
      compile,
      [''])
 
 test('T9961',
      [ only_ways(['normal']),
-       collect_compiler_stats('bytes allocated',5)
+       collect_compiler_stats('bytes allocated', 1)
       ],
      compile,
      ['-O'])
 
 test('T9233',
     [ only_ways(['normal']),
-      collect_compiler_stats('bytes allocated',5),
+      collect_compiler_stats('bytes allocated', 1),
       extra_clean(['T9233a.hi', 'T9233a.o'])
     ],
     multimod_compile,
@@ -230,14 +230,14 @@ test('T10370',
      [''])
 
 test('T10547',
-     [ collect_compiler_stats('bytes allocated', 20),
+     [ collect_compiler_stats('bytes allocated', 4),
      ],
      compile_fail,
      ['-fprint-expanded-synonyms'])
 
 test('T12227',
      [ only_ways(['normal']),
-       collect_compiler_stats('bytes allocated',5)
+       collect_compiler_stats('bytes allocated', 1)
      ],
      compile,
      # Use `-M1G` to prevent memory thrashing with ghc-8.0.1.
@@ -245,21 +245,21 @@ test('T12227',
 
 test('T12425',
      [ only_ways(['optasm']),
-       collect_compiler_stats('bytes allocated',5)
+       collect_compiler_stats('bytes allocated', 1)
      ],
      compile,
      [''])
 
 test('T12234',
      [ only_ways(['optasm']),
-       collect_compiler_stats('bytes allocated',5),
+       collect_compiler_stats('bytes allocated', 1),
      ],
      compile,
      [''])
 
 test('T12545',
      [ only_ways(['normal']),
-       collect_compiler_stats('bytes allocated',5),
+       collect_compiler_stats('bytes allocated', 1),
        extra_clean(['T12545a.hi', 'T12545a.o'])
      ],
      multimod_compile,
@@ -267,39 +267,39 @@ test('T12545',
 
 test('T13035',
      [ only_ways(['normal']),
-       collect_compiler_stats('bytes allocated',5),
+       collect_compiler_stats('bytes allocated', 1),
      ],
      compile,
      [''] )
 
 test('T13056',
      [ only_ways(['optasm']),
-       collect_compiler_stats('bytes allocated',10),
+       collect_compiler_stats('bytes allocated',2),
      ],
      compile,
      ['-O1'])
 
 test('T12707',
-     [ collect_compiler_stats('bytes allocated',5),
+     [ collect_compiler_stats('bytes allocated', 1),
      ],
      compile,
      [''])
 
 test('T12150',
      [ only_ways(['optasm']),
-       collect_compiler_stats('bytes allocated',5)
+       collect_compiler_stats('bytes allocated', 1)
      ],
     compile,
      [''])
 
 test('T13379',
-     [ collect_compiler_stats('bytes allocated',10),
+     [ collect_compiler_stats('bytes allocated',2),
      ],
      compile,
      [''])
 
 test('MultiLayerModules',
-     [ collect_compiler_stats('bytes allocated',10),
+     [ collect_compiler_stats('bytes allocated',2),
        pre_cmd('./genMultiLayerModules'),
        extra_files(['genMultiLayerModules']),
        compile_timeout_multiplier(5)
@@ -312,7 +312,7 @@ test('MultiLayerModules',
      ['MultiLayerModules', '-v0'])
 
 test('ManyConstructors',
-     [ collect_compiler_stats('bytes allocated',10),
+     [ collect_compiler_stats('bytes allocated',2),
        pre_cmd('./genManyConstructors'),
        extra_files(['genManyConstructors']),
      ],
@@ -320,7 +320,7 @@ test('ManyConstructors',
      ['ManyConstructors', '-v0'])
 
 test('ManyAlternatives',
-     [ collect_compiler_stats('bytes allocated',10),
+     [ collect_compiler_stats('bytes allocated',2),
        pre_cmd('./genManyAlternatives'),
        extra_files(['genManyAlternatives']),
      ],
@@ -328,7 +328,7 @@ test('ManyAlternatives',
      ['ManyAlternatives', '-v0'])
 
 test('T13701',
-     [ collect_compiler_stats('bytes allocated',10),
+     [ collect_compiler_stats('bytes allocated',2),
        pre_cmd('./genT13701'),
        extra_files(['genT13701']),
        compile_timeout_multiplier(4)
@@ -341,7 +341,7 @@ test('T13701',
      ['T13701', '-v0'])
 
 test('T13719',
-     [ collect_compiler_stats('bytes allocated',10),
+     [ collect_compiler_stats('bytes allocated',2),
        pre_cmd('./genT13719'),
        extra_files(['genT13719']),
        compile_timeout_multiplier(2)
@@ -354,7 +354,7 @@ test('T13719',
      ['T13719', '-v0'])
 
 test('T14697',
-     [ collect_compiler_stats('bytes allocated',10),
+     [ collect_compiler_stats('bytes allocated',2),
        # This generates too large of a command-line for poor Windows and
        # Darwin. The solution is to teach the testsuite driver to
        # invoke GHC with a response file.
@@ -367,7 +367,7 @@ test('T14697',
      ['T14697', '-v0'])
 
 test('T14683',
-     [ collect_compiler_stats('bytes allocated',10),
+     [ collect_compiler_stats('bytes allocated',2),
      ],
      multimod_compile,
      ['T14683', '-v0'])
@@ -375,7 +375,7 @@ test('T14683',
 test('Naperian',
      [ reqlib('vector'),
        only_ways(['optasm']),
-       collect_compiler_stats('bytes allocated',10),
+       collect_compiler_stats('bytes allocated',2),
      ],
      compile,
      [''])
@@ -391,14 +391,14 @@ test ('T9630',
       ['T9630', '-v0 -O'])
 
 test ('T15164',
-      [ collect_compiler_stats('bytes allocated',10)
+      [ collect_compiler_stats('bytes allocated',2)
       ],
       compile,
       ['-v0 -O'])
 
 # See https://gitlab.haskell.org/ghc/ghc/merge_requests/312#note_186960
 test ('WWRec',
-      [ collect_compiler_stats('bytes allocated',10)
+      [ collect_compiler_stats('bytes allocated',2)
       ],
       compile,
       ['-v0 -O'])