[llvm-testresults] pollyperf-O3-polly-detect__clang_DEV__x86_64 test results

llvm-testresults at cs.uiuc.edu llvm-testresults at cs.uiuc.edu
Wed Mar 26 06:25:01 PDT 2014


http://llvm.org/perf/db_default/v4/nts/23973?compare_to=23965&baseline=19899
Nickname: pollyperf-O3-polly-detect__clang_DEV__x86_64:35

Comparing:
     Run: 23973, Order: 204787, Start Time: 2014-03-26 08:40:26, End Time: 2014-03-26 13:31:09
      To: 23965, Order: 204780, Start Time: 2014-03-26 03:42:31, End Time: 2014-03-26 08:33:05
Baseline: 19899, Order: 198654, Start Time: 2014-01-07 01:22:04, End Time: 2014-01-07 06:18:02

===============
Tests Summary
===============

Performance Regressions: 9 (132 on baseline)
Performance Improvements: 0 (12 on baseline)
Added Tests: 0 (2 on baseline)
Unchanged Tests: 1103 (966 on baseline)
Total Tests: 1112

===========================
Run-Over-Run Changes Detail
===========================

Performance Regressions - Compile Time
--------------------------------------
  SingleSource/Regression/C/2008-01-07-LongDouble: 150.00% (0.0080 => 0.0200, std.dev.: 0.0027)
  SingleSource/UnitTests/Vector/sumarray-dbl: 60.00% (0.0200 => 0.0320, std.dev.: 0.0026)
  SingleSource/Benchmarks/BenchmarkGame/partialsums: 33.33% (0.0360 => 0.0480, std.dev.: 0.0040)
  SingleSource/UnitTests/Vector/SSE/sse_shift: 30.00% (0.0400 => 0.0520, std.dev.: 0.0032)
  MultiSource/Applications/viterbi/viterbi: 18.75% (0.1920 => 0.2280, std.dev.: 0.0068)
  SingleSource/Benchmarks/Polybench/medley/floyd-warshall/floyd-warshall: 15.79% (0.0760 => 0.0880, std.dev.: 0.0041)
  SingleSource/Benchmarks/Polybench/datamining/correlation/correlation: 12.00% (0.1000 => 0.1120, std.dev.: 0.0039)
  MultiSource/Applications/lemon/lemon: 1.08% (1.4841 => 1.5001, std.dev.: 0.0059)

Performance Regressions - Execution Time
----------------------------------------
  MultiSource/Benchmarks/Fhourstones/fhourstones: 2.93% (1.0921 => 1.1241, std.dev.: 0.0095)

================================
Run-Over-Baseline Changes Detail
================================

Performance Regressions - Compile Time
--------------------------------------
  SingleSource/Benchmarks/Shootout/nestedloop: 1900.00% (0.0320 => 0.6400, std.dev.: 0.0082)
  SingleSource/Benchmarks/Stanford/Puzzle: 1203.31% (0.1240 => 1.6161, std.dev.: 0.0072)
  SingleSource/Regression/C/sumarray2d: 1133.33% (0.0360 => 0.4440, std.dev.: 0.0065)
  SingleSource/Benchmarks/Polybench/stencils/seidel-2d/seidel-2d: 757.89% (0.0760 => 0.6520, std.dev.: 0.0063)
  MultiSource/Benchmarks/ASC_Sequoia/CrystalMk/CrystalMk: 390.52% (0.2520 => 1.2361, std.dev.: 0.0202)
  SingleSource/UnitTests/Vector/multiplies: 371.43% (0.0280 => 0.1320, std.dev.: 0.0027)
  SingleSource/UnitTests/2003-07-10-SignConversions: 300.00% (0.0040 => 0.0160, std.dev.: 0.0043)
  SingleSource/UnitTests/2006-12-04-DynAllocAndRestore: 300.00% (0.0040 => 0.0160, std.dev.: 0.0045)
  SingleSource/UnitTests/SignlessTypes/cast-bug: 300.00% (0.0040 => 0.0160, std.dev.: 0.0045)
  SingleSource/Benchmarks/Shootout-C++/nestedloop: 262.11% (0.2320 => 0.8401, std.dev.: 0.0112)
  SingleSource/Regression/C++/EH/ctor_dtor_count: 150.00% (0.0160 => 0.0400, std.dev.: 0.0036)
  SingleSource/Regression/C/sumarraymalloc: 122.22% (0.0360 => 0.0800, std.dev.: 0.0060)
  MultiSource/Benchmarks/MiBench/security-sha/security-sha: 111.54% (0.1040 => 0.2200, std.dev.: 0.0075)
  SingleSource/Regression/C/test_indvars: 100.00% (0.0320 => 0.0640, std.dev.: 0.0052)
  SingleSource/Benchmarks/Misc/flops: 85.71% (0.1400 => 0.2600, std.dev.: 0.0059)
  SingleSource/Regression/C/bigstack: 84.62% (0.0520 => 0.0960, std.dev.: 0.0047)
  SingleSource/Benchmarks/Misc/mandel-2: 80.00% (0.0200 => 0.0360, std.dev.: 0.0054)
  SingleSource/Benchmarks/Polybench/linear-algebra/solvers/lu/lu: 75.00% (0.0800 => 0.1400, std.dev.: 0.0051)
  SingleSource/Regression/C/sumarray: 66.67% (0.0360 => 0.0600, std.dev.: 0.0052)
  SingleSource/Benchmarks/Misc/flops-2: 55.56% (0.0360 => 0.0560, std.dev.: 0.0076)
  MultiSource/Benchmarks/ASC_Sequoia/AMGmk/AMGmk: 52.27% (0.7040 => 1.0720, std.dev.: 0.0120)
  SingleSource/Benchmarks/Shootout/ary3: 50.00% (0.0320 => 0.0480, std.dev.: 0.0041)
  SingleSource/Benchmarks/Misc/whetstone: 42.31% (0.1040 => 0.1480, std.dev.: 0.0072)
  MultiSource/Benchmarks/NPB-serial/is/is: 38.89% (0.0720 => 0.1000, std.dev.: 0.0027)
  SingleSource/Benchmarks/Polybench/linear-algebra/kernels/syrk/syrk: 36.84% (0.0760 => 0.1040, std.dev.: 0.0078)
  SingleSource/Benchmarks/BenchmarkGame/partialsums: 33.33% (0.0360 => 0.0480, std.dev.: 0.0040)
  SingleSource/Benchmarks/Polybench/linear-algebra/kernels/doitgen/doitgen: 33.33% (0.0960 => 0.1280, std.dev.: 0.0057)
  SingleSource/Benchmarks/Misc-C++/oopack_v1p8: 32.50% (0.1600 => 0.2120, std.dev.: 0.0050)
  MultiSource/Benchmarks/FreeBench/pifft/pifft: 28.30% (1.2160 => 1.5601, std.dev.: 0.0087)
  SingleSource/Benchmarks/BenchmarkGame/n-body: 27.27% (0.0880 => 0.1120, std.dev.: 0.0052)
  SingleSource/Benchmarks/Misc/salsa20: 26.67% (0.0600 => 0.0760, std.dev.: 0.0042)
  MultiSource/Benchmarks/Olden/power/power: 26.32% (0.1520 => 0.1920, std.dev.: 0.0108)
  SingleSource/Benchmarks/Polybench/linear-algebra/kernels/2mm/2mm: 25.00% (0.0960 => 0.1200, std.dev.: 0.0057)
  MultiSource/Benchmarks/TSVC/LoopRestructuring-dbl/LoopRestructuring-dbl: 24.35% (1.2321 => 1.5321, std.dev.: 0.0098)
  MultiSource/Benchmarks/TSVC/LoopRestructuring-flt/LoopRestructuring-flt: 24.19% (1.2401 => 1.5401, std.dev.: 0.0086)
  SingleSource/Benchmarks/BenchmarkGame/spectral-norm: 23.53% (0.0680 => 0.0840, std.dev.: 0.0057)
  MultiSource/Benchmarks/TSVC/Expansion-dbl/Expansion-dbl: 22.75% (1.2481 => 1.5321, std.dev.: 0.0120)
  MultiSource/Benchmarks/TSVC/Expansion-flt/Expansion-flt: 22.75% (1.2481 => 1.5321, std.dev.: 0.0107)
  MultiSource/Benchmarks/TSVC/NodeSplitting-flt/NodeSplitting-flt: 21.09% (1.1761 => 1.4241, std.dev.: 0.0082)
  SingleSource/Benchmarks/McGill/chomp: 20.83% (0.1920 => 0.2320, std.dev.: 0.0065)
  MultiSource/Benchmarks/TSVC/NodeSplitting-dbl/NodeSplitting-dbl: 20.61% (1.1841 => 1.4281, std.dev.: 0.0105)
  MultiSource/Benchmarks/TSVC/LoopRerolling-dbl/LoopRerolling-dbl: 20.07% (1.1561 => 1.3881, std.dev.: 0.0090)
  MultiSource/Benchmarks/TSVC/Symbolics-flt/Symbolics-flt: 20.07% (1.1761 => 1.4121, std.dev.: 0.0081)
  MultiSource/Benchmarks/TSVC/CrossingThresholds-flt/CrossingThresholds-flt: 20.00% (1.2001 => 1.4401, std.dev.: 0.0118)
  MultiSource/Applications/obsequi/Obsequi: 19.83% (1.3920 => 1.6680, std.dev.: 0.0260)
  MultiSource/Benchmarks/TSVC/LinearDependence-flt/LinearDependence-flt: 19.50% (1.2921 => 1.5441, std.dev.: 0.0104)
  MultiSource/Benchmarks/TSVC/CrossingThresholds-dbl/CrossingThresholds-dbl: 19.41% (1.2161 => 1.4521, std.dev.: 0.0078)
  MultiSource/Benchmarks/TSVC/StatementReordering-dbl/StatementReordering-dbl: 19.30% (1.1401 => 1.3601, std.dev.: 0.0120)
  MultiSource/Benchmarks/TSVC/LoopRerolling-flt/LoopRerolling-flt: 19.11% (1.1721 => 1.3961, std.dev.: 0.0074)
  MultiSource/Benchmarks/TSVC/LinearDependence-dbl/LinearDependence-dbl: 19.08% (1.3001 => 1.5481, std.dev.: 0.0100)
  MultiSource/Benchmarks/TSVC/Recurrences-flt/Recurrences-flt: 18.75% (1.1521 => 1.3681, std.dev.: 0.0071)
  MultiSource/Benchmarks/TSVC/Packing-dbl/Packing-dbl: 18.73% (1.1321 => 1.3441, std.dev.: 0.0143)
  MultiSource/Benchmarks/TSVC/Symbolics-dbl/Symbolics-dbl: 18.71% (1.1761 => 1.3961, std.dev.: 0.0117)
  MultiSource/Benchmarks/TSVC/Searching-flt/Searching-flt: 18.66% (1.1361 => 1.3481, std.dev.: 0.0092)
  MultiSource/Benchmarks/TSVC/Packing-flt/Packing-flt: 18.53% (1.1441 => 1.3561, std.dev.: 0.0093)
  MultiSource/Benchmarks/TSVC/Recurrences-dbl/Recurrences-dbl: 18.53% (1.1441 => 1.3561, std.dev.: 0.0101)
  MultiSource/Benchmarks/TSVC/GlobalDataFlow-flt/GlobalDataFlow-flt: 18.50% (1.2321 => 1.4601, std.dev.: 0.0074)
  MultiSource/Benchmarks/TSVC/IndirectAddressing-dbl/IndirectAddressing-dbl: 18.43% (1.1721 => 1.3881, std.dev.: 0.0106)
  MultiSource/Benchmarks/TSVC/ControlLoops-flt/ControlLoops-flt: 18.21% (1.2521 => 1.4801, std.dev.: 0.0064)
  SingleSource/Benchmarks/Polybench/linear-algebra/kernels/gemm/gemm: 18.18% (0.0880 => 0.1040, std.dev.: 0.0054)
  SingleSource/UnitTests/Vector/SSE/sse_isamax: 18.18% (0.0880 => 0.1040, std.dev.: 0.0040)
  MultiSource/Benchmarks/TSVC/GlobalDataFlow-dbl/GlobalDataFlow-dbl: 18.18% (1.2321 => 1.4561, std.dev.: 0.0054)
  MultiSource/Benchmarks/TSVC/ControlFlow-flt/ControlFlow-flt: 18.13% (1.3681 => 1.6161, std.dev.: 0.0075)
  MultiSource/Applications/JM/ldecod/ldecod: 17.95% (8.5802 => 10.1203, std.dev.: 0.0367)
  MultiSource/Benchmarks/TSVC/ControlLoops-dbl/ControlLoops-dbl: 17.89% (1.2521 => 1.4761, std.dev.: 0.0067)
  MultiSource/Benchmarks/TSVC/InductionVariable-flt/InductionVariable-flt: 17.86% (1.2321 => 1.4521, std.dev.: 0.0104)
  MultiSource/Benchmarks/TSVC/IndirectAddressing-flt/IndirectAddressing-flt: 17.84% (1.1881 => 1.4001, std.dev.: 0.0117)
  MultiSource/Benchmarks/TSVC/Equivalencing-flt/Equivalencing-flt: 17.67% (1.2001 => 1.4121, std.dev.: 0.0084)
  MultiSource/Benchmarks/TSVC/InductionVariable-dbl/InductionVariable-dbl: 17.59% (1.2281 => 1.4441, std.dev.: 0.0118)
  MultiSource/Benchmarks/TSVC/StatementReordering-flt/StatementReordering-flt: 17.58% (1.1601 => 1.3641, std.dev.: 0.0134)
  MultiSource/Benchmarks/TSVC/Equivalencing-dbl/Equivalencing-dbl: 17.57% (1.1841 => 1.3921, std.dev.: 0.0104)
  MultiSource/Benchmarks/TSVC/Searching-dbl/Searching-dbl: 17.25% (1.1361 => 1.3321, std.dev.: 0.0129)
  MultiSource/Benchmarks/TSVC/Reductions-flt/Reductions-flt: 17.08% (1.2881 => 1.5081, std.dev.: 0.0106)
  MultiSource/Benchmarks/TSVC/ControlFlow-dbl/ControlFlow-dbl: 17.05% (1.3841 => 1.6201, std.dev.: 0.0040)
  MultiSource/Benchmarks/Olden/bh/bh: 17.02% (0.3760 => 0.4400, std.dev.: 0.0135)
  MultiSource/Benchmarks/TSVC/Reductions-dbl/Reductions-dbl: 16.82% (1.2841 => 1.5001, std.dev.: 0.0115)
  MultiSource/Benchmarks/MiBench/telecomm-FFT/telecomm-fft: 16.28% (0.1720 => 0.2000, std.dev.: 0.0080)
  SingleSource/Benchmarks/Polybench/medley/floyd-warshall/floyd-warshall: 15.79% (0.0760 => 0.0880, std.dev.: 0.0041)
  SingleSource/Benchmarks/Polybench/stencils/fdtd-2d/fdtd-2d: 14.81% (0.1080 => 0.1240, std.dev.: 0.0055)
  MultiSource/Benchmarks/nbench/nbench: 14.79% (1.3521 => 1.5521, std.dev.: 0.0072)
  MultiSource/Applications/JM/lencod/lencod: 14.51% (19.5406 => 22.3767, std.dev.: 0.0672)
  MultiSource/Benchmarks/FreeBench/fourinarow/fourinarow: 13.70% (0.2920 => 0.3320, std.dev.: 0.0048)
  MultiSource/Benchmarks/MiBench/consumer-lame/consumer-lame: 13.65% (5.3360 => 6.0641, std.dev.: 0.0345)
  SingleSource/Benchmarks/Polybench/stencils/jacobi-2d-imper/jacobi-2d-imper: 13.04% (0.0920 => 0.1040, std.dev.: 0.0045)
  SingleSource/Benchmarks/Polybench/datamining/correlation/correlation: 12.00% (0.1000 => 0.1120, std.dev.: 0.0039)
  MultiSource/Benchmarks/Prolangs-C/agrep/agrep: 11.95% (1.7400 => 1.9480, std.dev.: 0.0200)
  SingleSource/Benchmarks/Misc-C++/Large/sphereflake: 11.90% (0.3360 => 0.3760, std.dev.: 0.0076)
  MultiSource/Benchmarks/MiBench/security-rijndael/security-rijndael: 11.76% (0.6800 => 0.7600, std.dev.: 0.0086)
  MultiSource/Applications/sgefa/sgefa: 11.61% (0.4480 => 0.5000, std.dev.: 0.0124)
  SingleSource/UnitTests/Vectorizer/gcc-loops: 9.35% (0.5560 => 0.6080, std.dev.: 0.0114)
  MultiSource/Applications/oggenc/oggenc: 8.97% (6.2844 => 6.8484, std.dev.: 0.0135)
  MultiSource/Benchmarks/FreeBench/analyzer/analyzer: 8.86% (0.3160 => 0.3440, std.dev.: 0.0078)
  SingleSource/Benchmarks/Shootout-C++/ary: 8.57% (0.2800 => 0.3040, std.dev.: 0.0039)
  MultiSource/Benchmarks/mafft/pairlocalalign: 8.29% (11.3843 => 12.3283, std.dev.: 0.0362)
  MultiSource/Benchmarks/Trimaran/enc-3des/enc-3des: 8.11% (0.4440 => 0.4800, std.dev.: 0.0066)
  MultiSource/Benchmarks/MiBench/consumer-jpeg/consumer-jpeg: 7.69% (5.6680 => 6.1040, std.dev.: 0.0300)
  MultiSource/Benchmarks/Prolangs-C/TimberWolfMC/timberwolfmc: 7.06% (11.4440 => 12.2520, std.dev.: 0.0616)
  MultiSource/Benchmarks/mediabench/jpeg/jpeg-6a/cjpeg: 6.63% (5.7280 => 6.1080, std.dev.: 0.0591)
  MultiSource/Benchmarks/Prolangs-C/unix-smail/unix-smail: 5.98% (0.7360 => 0.7800, std.dev.: 0.0141)
  MultiSource/Benchmarks/ASCI_Purple/SMG2000/smg2000: 5.80% (9.5802 => 10.1362, std.dev.: 0.0446)
  MultiSource/Benchmarks/mediabench/gsm/toast/toast: 5.42% (1.4760 => 1.5560, std.dev.: 0.0279)
  MultiSource/Benchmarks/mediabench/mpeg2/mpeg2dec/mpeg2decode: 5.42% (1.6240 => 1.7120, std.dev.: 0.0178)
  MultiSource/Applications/ALAC/encode/alacconvert-encode: 3.63% (1.3240 => 1.3720, std.dev.: 0.0175)
  MultiSource/Applications/lua/lua: 3.52% (4.7720 => 4.9400, std.dev.: 0.0412)
  SingleSource/Benchmarks/Adobe-C++/stepanov_vector: 3.21% (0.8721 => 0.9001, std.dev.: 0.0070)
  MultiSource/Benchmarks/MallocBench/espresso/espresso: 3.05% (6.8280 => 7.0360, std.dev.: 0.0304)
  MultiSource/Benchmarks/Prolangs-C++/city/city: 3.00% (1.7320 => 1.7840, std.dev.: 0.0128)
  SingleSource/UnitTests/Vector/constpool: 2.94% (11.0207 => 11.3447, std.dev.: 0.1162)
  MultiSource/Benchmarks/7zip/7zip-benchmark: 2.89% (49.1529 => 50.5729, std.dev.: 0.0674)
  MultiSource/Applications/minisat/minisat: 2.87% (0.8360 => 0.8600, std.dev.: 0.0069)
  MultiSource/Benchmarks/Prolangs-C/football/football: 2.62% (1.0680 => 1.0960, std.dev.: 0.0098)
  MultiSource/Applications/ClamAV/clamscan: 2.35% (19.2243 => 19.6764, std.dev.: 0.0587)
  MultiSource/Benchmarks/PAQ8p/paq8p: 2.05% (2.7282 => 2.7842, std.dev.: 0.0133)
  MultiSource/Applications/sqlite3/sqlite3: 1.97% (24.7575 => 25.2455, std.dev.: 0.0239)
  SingleSource/Benchmarks/Adobe-C++/simple_types_loop_invariant: 1.81% (2.2081 => 2.2481, std.dev.: 0.0127)
  MultiSource/Applications/kimwitu++/kc: 1.52% (19.7491 => 20.0491, std.dev.: 0.0519)

Performance Regressions - Execution Time
----------------------------------------
  SingleSource/Benchmarks/Shootout/sieve: 157.80% (6.6644 => 17.1811, std.dev.: 0.0031)
  SingleSource/Benchmarks/Misc/fp-convert: 37.94% (2.8042 => 3.8682, std.dev.: 0.0020)
  MultiSource/Benchmarks/Olden/perimeter/perimeter: 9.33% (0.3000 => 0.3280, std.dev.: 0.0101)
  MultiSource/Benchmarks/ASCI_Purple/SMG2000/smg2000: 7.83% (3.9842 => 4.2963, std.dev.: 0.0157)
  MultiSource/Benchmarks/MiBench/telecomm-CRC32/telecomm-CRC32: 6.78% (0.2360 => 0.2520, std.dev.: 0.0042)
  MultiSource/Benchmarks/Ptrdist/bc/bc: 5.41% (0.5920 => 0.6240, std.dev.: 0.0080)
  MultiSource/Benchmarks/Ptrdist/yacr2/yacr2: 5.31% (0.8281 => 0.8721, std.dev.: 0.0031)
  MultiSource/Benchmarks/MallocBench/cfrac/cfrac: 2.66% (1.3521 => 1.3881, std.dev.: 0.0090)
  SingleSource/Benchmarks/Misc/salsa20: 2.35% (7.3085 => 7.4805, std.dev.: 0.0104)
  MultiSource/Benchmarks/Olden/bisort/bisort: 2.20% (0.7280 => 0.7440, std.dev.: 0.0052)
  MultiSource/Applications/sqlite3/sqlite3: 2.17% (4.0563 => 4.1443, std.dev.: 0.0173)
  SingleSource/Benchmarks/Misc/whetstone: 1.99% (1.4041 => 1.4321, std.dev.: 0.0072)
  MultiSource/Applications/minisat/minisat: 1.76% (6.8204 => 6.9404, std.dev.: 0.0396)
  SingleSource/Benchmarks/Misc/perlin: 1.74% (5.9724 => 6.0764, std.dev.: 0.0024)
  SingleSource/Benchmarks/Misc/oourafft: 1.46% (7.3965 => 7.5045, std.dev.: 0.0125)
  MultiSource/Benchmarks/TSVC/GlobalDataFlow-flt/GlobalDataFlow-flt: 1.23% (2.9242 => 2.9602, std.dev.: 0.0026)

Performance Improvements - Compile Time
---------------------------------------
  SingleSource/UnitTests/2009-12-07-StructReturn: -80.00% (0.0200 => 0.0040, std.dev.: 0.0059)
  SingleSource/Benchmarks/Adobe-C++/loop_unroll: -1.03% (4.2803 => 4.2363, std.dev.: 0.0170)

Performance Improvements - Execution Time
-----------------------------------------
  SingleSource/Benchmarks/Linpack/linpack-pc: -15.01% (7.8605 => 6.6804, std.dev.: 0.0032)
  MultiSource/Applications/sgefa/sgefa: -12.58% (0.6040 => 0.5280, std.dev.: 0.0025)
  SingleSource/UnitTests/Vectorizer/gcc-loops: -6.90% (5.2763 => 4.9123, std.dev.: 0.0970)
  MultiSource/Applications/siod/siod: -5.76% (2.9842 => 2.8122, std.dev.: 0.0226)
  SingleSource/Benchmarks/Shootout/matrix: -4.08% (2.5482 => 2.4442, std.dev.: 0.0018)
  MultiSource/Benchmarks/TSVC/Equivalencing-flt/Equivalencing-flt: -4.08% (2.0601 => 1.9761, std.dev.: 0.0016)
  SingleSource/Benchmarks/Shootout-C++/matrix: -3.23% (3.4722 => 3.3602, std.dev.: 0.0415)
  MultiSource/Benchmarks/TSVC/LinearDependence-flt/LinearDependence-flt: -1.95% (4.5123 => 4.4243, std.dev.: 0.0027)
  MultiSource/Benchmarks/Trimaran/netbench-url/netbench-url: -1.74% (3.4442 => 3.3842, std.dev.: 0.0026)
  MultiSource/Applications/hexxagon/hexxagon: -1.14% (11.5567 => 11.4247, std.dev.: 0.0170)

Added Tests - Compile Time
--------------------------
  SingleSource/Regression/C++/EH/class_hierarchy

Added Tests - Execution Time
----------------------------
  SingleSource/Regression/C++/EH/class_hierarchy

Report Time: 2.07s
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.llvm.org/pipermail/llvm-testresults/attachments/20140326/56288933/attachment.html>


More information about the llvm-testresults mailing list