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Duncan Sands

2012-Jun-20 07:38 UTC

[LLVMdev] Exception handling slowdown?

Did something change with exception handling recently?  A bunch of lit bots are
showing slower compile times for many tests.

Ciao, Duncan.

On 20/06/12 07:53, llvm-testresults at cs.uiuc.edu
wrote:>
>   lab-mini-03__O0-g__clang_DEV__x86_64 test results
>  
<http://llvm.org/perf/db_default/v4/nts/1283?compare_to=1278&baseline=999>
>
> Run 	Order 	Start Time 	Duration
> Current <http://llvm.org/perf/db_default/v4/nts/1283>	158786
> <http://llvm.org/perf/db_default/v4/nts/order/1314>	2012-06-20
03:39:48	2:15:27
> Previous <http://llvm.org/perf/db_default/v4/nts/1278>	158769
> <http://llvm.org/perf/db_default/v4/nts/order/1310>	2012-06-20
00:57:42	2:15:20
> Baseline <http://llvm.org/perf/db_default/v4/nts/999>	158324
> <http://llvm.org/perf/db_default/v4/nts/order/1162>	2012-06-11
20:29:30	2:15:20
>
>
>       Tests Summary
>
> Status Group 	# 	# (B)
> Performance Regressions	45 	46
> Unchanged Tests	849 	848
> *Total Tests*	*894* 	*894*
>
>
>       Run-Over-Run Changes Detail
>
> Performance Regressions - Compile Time 	Δ	Previous	Current	σ 	Δ (B) 	σ (B)
> SingleSource/UnitTests/ObjC/exceptions-4
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.420=3>	7.94%
0.3463
> 0.3738	0.0002	7.88%	0.0002
> SingleSource/UnitTests/ObjC/trivial-interface
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.222=3>	7.88%
0.3437
> 0.3708	0.0003	7.73%	0.0003
> SingleSource/UnitTests/ObjC/exceptions-2
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.343=3>	7.87%
0.3444
> 0.3715	0.0081	7.81%	0.0081
> SingleSource/UnitTests/ObjC/synchronized
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.388=3>	7.79%
0.3464
> 0.3734	0.0002	7.64%	0.0002
> SingleSource/UnitTests/ObjC/exceptions-3
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.108=3>	7.78%
0.3458
> 0.3727	0.0004	7.72%	0.0004
> SingleSource/UnitTests/ObjC/for-in
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.418=3>	7.76%
0.3493
> 0.3764	0.0005	7.67%	0.0005
> SingleSource/UnitTests/ObjC/parameter-passing
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.24=3>	7.59%
0.3715
> 0.3997	0.0031	7.33%	0.0031
> SingleSource/UnitTests/ObjC/instance-method-metadata
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.375=3>	7.52%
0.3486
> 0.3748	0.0010	7.45%	0.0010
> SingleSource/UnitTests/ObjC/property
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.8=3>	7.49%
0.3646
> 0.3919	0.0000	7.37%	0.0000
> SingleSource/UnitTests/ObjC/exceptions
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.101=3>	7.47%
0.3641
> 0.3913	0.0004	7.41%	0.0004
> SingleSource/UnitTests/ObjC++/property-reference-object
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.50=3>	5.96%
0.5792
> 0.6137	0.0001	4.21%	0.0001
> SingleSource/UnitTests/ObjC++/Hello
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.428=3>	5.89%
0.5742
> 0.6080	0.0002	4.36%	0.0002
> SingleSource/UnitTests/ObjC++/property-reference
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.156=3>	5.18%
0.7033
> 0.7397	0.0003	3.15%	0.0003
> MultiSource/Benchmarks/MiBench/consumer-jpeg/consumer-jpeg
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.284=3>	3.70%
1.9509
> 2.0230	0.0008	2.72%	0.0008
> MultiSource/Benchmarks/mediabench/jpeg/jpeg-6a/cjpeg
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.414=3>	3.55%
1.9755
> 2.0456	0.0004	2.45%	0.0004
> MultiSource/Benchmarks/MiBench/office-ispell/office-ispell
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.106=3>	3.49%
0.5011
> 0.5186	0.0007	3.18%	0.0007
> MultiSource/Applications/spiff/spiff
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.400=3>	3.43%
0.3989
> 0.4126	0.0010	2.41%	0.0010
> MultiSource/Benchmarks/MallocBench/espresso/espresso
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.408=3>	3.07%
1.6150
> 1.6645	0.0037	2.68%	0.0037
> MultiSource/Benchmarks/Prolangs-C/TimberWolfMC/timberwolfmc
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.54=3>	3.05%
3.5468
> 3.6550	0.0020	2.59%	0.0020
> MultiSource/Applications/ClamAV/clamscan
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.214=3>	2.95%
4.1812
> 4.3044	0.0044	2.22%	0.0044
> MultiSource/Benchmarks/Ptrdist/bc/bc
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.423=3>	2.92%
0.3907
> 0.4021	0.0030	2.32%	0.0030
> MultiSource/Benchmarks/MiBench/consumer-lame/consumer-lame
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.271=3>	2.82%
1.3096
> 1.3465	0.0018	2.38%	0.0018
> MultiSource/Benchmarks/MiBench/telecomm-gsm/telecomm-gsm
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.297=3>	2.76%
0.4972
> 0.5109	0.0017	2.30%	0.0017
> MultiSource/Benchmarks/mediabench/gsm/toast/toast
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.123=3>	2.74%
0.4965
> 0.5101	0.0012	2.02%	0.0012
> MultiSource/Benchmarks/VersaBench/dbms/dbms
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.276=3>	2.65%
0.5888
> 0.6044	0.0032	2.44%	0.0032
> MultiSource/Benchmarks/Prolangs-C/bison/mybison
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.131=3>	2.65%
0.4612
> 0.4734	0.0015	1.63%	0.0015
> MultiSource/Applications/treecc/treecc
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.181=3>	2.58%
0.7785
> 0.7986	0.0012	1.41%	0.0012
> MultiSource/Applications/SPASS/SPASS
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.25=3>	2.44%
5.5191
> 5.6538	0.0039	2.02%	0.0039
> MultiSource/Applications/JM/lencod/lencod
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.384=3>	2.43%
4.5916
> 4.7032	0.0080	1.85%	0.0080
> MultiSource/Benchmarks/Prolangs-C++/city/city
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.30=3>	2.37%
2.0844
> 2.1339	0.0010	3.22%	0.0010
> MultiSource/Benchmarks/Prolangs-C/agrep/agrep
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.162=3>	2.35%
0.4337
> 0.4439	0.0002	1.79%	0.0002
> MultiSource/Benchmarks/ASCI_Purple/SMG2000/smg2000
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.310=3>	2.32%
2.7068
> 2.7695	0.0071	1.48%	0.0071
> MultiSource/Applications/hexxagon/hexxagon
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.243=3>	2.28%
0.9968
> 1.0195	0.0005	2.89%	0.0005
> MultiSource/Benchmarks/MiBench/consumer-typeset/consumer-typeset
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.392=3>	2.22%
4.3907
> 4.4882	0.0010	1.55%	0.0010
> MultiSource/Applications/lua/lua
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.155=3>	2.18%
1.4158
> 1.4467	0.0010	1.39%	0.0010
> MultiSource/Applications/JM/ldecod/ldecod
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.125=3>	2.13%
2.1580
> 2.2040	0.0005	1.79%	0.0005
> MultiSource/Applications/d/make_dparser
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.134=3>	2.12%
1.0745
> 1.0973	0.0005	1.78%	0.0005
> MultiSource/Benchmarks/MallocBench/gs/gs
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.301=3>	2.02%
1.8680
> 1.9058	0.0036	1.40%	0.0036
> MultiSource/Benchmarks/mafft/pairlocalalign
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.426=3>	1.91%
2.0841
> 2.1239	0.0018	1.08%	0.0018
> MultiSource/Applications/hbd/hbd
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.164=3>	1.89%
0.9641
> 0.9823	0.0006	1.30%	0.0006
> MultiSource/Benchmarks/Bullet/bullet
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.274=3>	1.30%
23.8330
> 24.1424	0.0044	2.65%	0.0044
> MultiSource/Applications/kimwitu++/kc
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.412=3>	1.24%
11.9645
> 12.1130	0.0069	1.32%	0.0069
> MultiSource/Applications/oggenc/oggenc
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.293=3>	1.22%
1.5963
> 1.6158	0.0016	1.42%	0.0016
> MultiSource/Applications/sqlite3/sqlite3
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.402=3>	1.13%
2.0217
> 2.0446	0.0012	0.49%	0.0012
>
> Performance Regressions - Execution Time 	Δ	Previous	Current	σ 	Δ (B) 	σ
(B)
> SingleSource/Benchmarks/Shootout-C++/fibo
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.194=2>	1.03%
12.2303
> 12.3566	0.0101	-0.17%	0.0101
>
>
>       Run-Over-Baseline Changes Detail
>
> Performance Regressions - Compile Time 	Δ(B)	Baseline	Current	σ(B) 	Δ 	σ
> SingleSource/UnitTests/ObjC/exceptions-4
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.420=3>	7.88%
0.3465
> 0.3738	0.0002	7.94%	0.0002
> SingleSource/UnitTests/ObjC/exceptions-2
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.343=3>	7.81%
0.3446
> 0.3715	0.0081	7.87%	0.0081
> SingleSource/UnitTests/ObjC/trivial-interface
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.222=3>	7.73%
0.3442
> 0.3708	0.0003	7.88%	0.0003
> SingleSource/UnitTests/ObjC/exceptions-3
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.108=3>	7.72%
0.3460
> 0.3727	0.0004	7.78%	0.0004
> SingleSource/UnitTests/ObjC/for-in
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.418=3>	7.67%
0.3496
> 0.3764	0.0005	7.76%	0.0005
> SingleSource/UnitTests/ObjC/synchronized
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.388=3>	7.64%
0.3469
> 0.3734	0.0002	7.79%	0.0002
> SingleSource/UnitTests/ObjC/instance-method-metadata
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.375=3>	7.45%
0.3488
> 0.3748	0.0010	7.52%	0.0010
> SingleSource/UnitTests/ObjC/exceptions
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.101=3>	7.41%
0.3643
> 0.3913	0.0004	7.47%	0.0004
> SingleSource/UnitTests/ObjC/property
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.8=3>	7.37%
0.3650
> 0.3919	0.0000	7.49%	0.0000
> SingleSource/UnitTests/ObjC/parameter-passing
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.24=3>	7.33%
0.3724
> 0.3997	0.0031	7.59%	0.0031
> SingleSource/UnitTests/ObjC++/Hello
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.428=3>	4.36%
0.5826
> 0.6080	0.0002	5.89%	0.0002
> SingleSource/UnitTests/ObjC++/property-reference-object
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.50=3>	4.21%
0.5889
> 0.6137	0.0001	5.96%	0.0001
> MultiSource/Benchmarks/Prolangs-C++/city/city
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.30=3>	3.22%
2.0673
> 2.1339	0.0010	2.37%	0.0010
> MultiSource/Benchmarks/MiBench/office-ispell/office-ispell
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.106=3>	3.18%
0.5026
> 0.5186	0.0007	3.49%	0.0007
> SingleSource/UnitTests/ObjC++/property-reference
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.156=3>	3.15%
0.7171
> 0.7397	0.0003	5.18%	0.0003
> SingleSource/Benchmarks/Misc-C++/Large/ray
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.318=3>	2.95%
0.3625
> 0.3732	0.0003	2.13%	0.0003
> SingleSource/Benchmarks/Shootout-C++/moments
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.206=3>	2.91%
0.3678
> 0.3785	0.0005	2.13%	0.0005
> SingleSource/Benchmarks/Shootout-C++/hash
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.66=3>	2.89%
0.4146
> 0.4266	0.0003	2.16%	0.0003
> MultiSource/Applications/hexxagon/hexxagon
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.243=3>	2.89%
0.9909
> 1.0195	0.0005	2.28%	0.0005
> SingleSource/Benchmarks/Shootout-C++/sieve
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.347=3>	2.82%
0.3726
> 0.3831	0.0002	1.97%	0.0002
> SingleSource/Benchmarks/Shootout-C++/hash2
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.41=3>	2.73%
0.4251
> 0.4367	0.0006	1.94%	0.0006
> MultiSource/Benchmarks/MiBench/consumer-jpeg/consumer-jpeg
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.284=3>	2.72%
1.9694
> 2.0230	0.0008	3.70%	0.0008
> MultiSource/Benchmarks/MallocBench/espresso/espresso
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.408=3>	2.68%
1.6211
> 1.6645	0.0037	3.07%	0.0037
> MultiSource/Benchmarks/Bullet/bullet
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.274=3>	2.65%
23.5202
> 24.1424	0.0044	1.30%	0.0044
> MultiSource/Benchmarks/Prolangs-C/TimberWolfMC/timberwolfmc
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.54=3>	2.59%
3.5627
> 3.6550	0.0020	3.05%	0.0020
> MultiSource/Benchmarks/mediabench/jpeg/jpeg-6a/cjpeg
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.414=3>	2.45%
1.9966
> 2.0456	0.0004	3.55%	0.0004
> MultiSource/Benchmarks/VersaBench/dbms/dbms
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.276=3>	2.44%
0.5900
> 0.6044	0.0032	2.65%	0.0032
> MultiSource/Benchmarks/MiBench/consumer-lame/consumer-lame
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.271=3>	2.38%
1.3152
> 1.3465	0.0018	2.82%	0.0018
> MultiSource/Benchmarks/MiBench/telecomm-gsm/telecomm-gsm
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.297=3>	2.30%
0.4994
> 0.5109	0.0017	2.76%	0.0017
> MultiSource/Applications/ClamAV/clamscan
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.214=3>	2.22%
4.2109
> 4.3044	0.0044	2.95%	0.0044
> SingleSource/Benchmarks/Misc-C++/stepanov_container
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.372=3>	2.21%
0.6435
> 0.6577	0.0003	1.51%	0.0003
> SingleSource/Benchmarks/Misc-C++/bigfib
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.321=3>	2.04%
0.5012
> 0.5114	0.0004	1.61%	0.0004
> MultiSource/Applications/SPASS/SPASS
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.25=3>	2.02%
5.5417
> 5.6538	0.0039	2.44%	0.0039
> MultiSource/Benchmarks/mediabench/gsm/toast/toast
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.123=3>	2.02%
0.5000
> 0.5101	0.0012	2.74%	0.0012
> MultiSource/Applications/JM/lencod/lencod
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.384=3>	1.85%
4.6177
> 4.7032	0.0080	2.43%	0.0080
> MultiSource/Applications/JM/ldecod/ldecod
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.125=3>	1.79%
2.1653
> 2.2040	0.0005	2.13%	0.0005
> MultiSource/Applications/d/make_dparser
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.134=3>	1.78%
1.0781
> 1.0973	0.0005	2.12%	0.0005
> MultiSource/Benchmarks/MiBench/consumer-typeset/consumer-typeset
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.392=3>	1.55%
4.4195
> 4.4882	0.0010	2.22%	0.0010
> MultiSource/Benchmarks/ASCI_Purple/SMG2000/smg2000
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.310=3>	1.48%
2.7292
> 2.7695	0.0071	2.32%	0.0071
> MultiSource/Applications/oggenc/oggenc
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.293=3>	1.42%
1.5932
> 1.6158	0.0016	1.22%	0.0016
> MultiSource/Applications/treecc/treecc
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.181=3>	1.41%
0.7875
> 0.7986	0.0012	2.58%	0.0012
> MultiSource/Benchmarks/MallocBench/gs/gs
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.301=3>	1.40%
1.8794
> 1.9058	0.0036	2.02%	0.0036
> MultiSource/Applications/lua/lua
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.155=3>	1.39%
1.4269
> 1.4467	0.0010	2.18%	0.0010
> MultiSource/Applications/kimwitu++/kc
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.412=3>	1.32%
11.9555
> 12.1130	0.0069	1.24%	0.0069
> MultiSource/Applications/hbd/hbd
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.164=3>	1.30%
0.9697
> 0.9823	0.0006	1.89%	0.0006
> MultiSource/Benchmarks/mafft/pairlocalalign
> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.426=3>	1.08%
2.1013
> 2.1239	0.0018	1.91%	0.0018
>
> *Report Time*: 1.96s
>
>
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Bill Wendling

2012-Jun-25 20:31 UTC

head link

[LLVMdev] Exception handling slowdown?

Nothing that I'm aware of has changed with EH. Is it possible to bisect the
problem?

-bw

On Jun 20, 2012, at 12:38 AM, Duncan Sands <baldrick at free.fr> wrote:
> Did something change with exception handling recently?  A bunch of lit bots
are
> showing slower compile times for many tests.
> 
> Ciao, Duncan.
> 
> On 20/06/12 07:53, llvm-testresults at cs.uiuc.edu wrote:
>> 
>>  lab-mini-03__O0-g__clang_DEV__x86_64 test results
>> 
<http://llvm.org/perf/db_default/v4/nts/1283?compare_to=1278&baseline=999>
>> 
>> Run 	Order 	Start Time 	Duration
>> Current <http://llvm.org/perf/db_default/v4/nts/1283>	158786
>> <http://llvm.org/perf/db_default/v4/nts/order/1314>	2012-06-20
03:39:48	2:15:27
>> Previous <http://llvm.org/perf/db_default/v4/nts/1278>	158769
>> <http://llvm.org/perf/db_default/v4/nts/order/1310>	2012-06-20
00:57:42	2:15:20
>> Baseline <http://llvm.org/perf/db_default/v4/nts/999>	158324
>> <http://llvm.org/perf/db_default/v4/nts/order/1162>	2012-06-11
20:29:30	2:15:20
>> 
>> 
>>      Tests Summary
>> 
>> Status Group 	# 	# (B)
>> Performance Regressions	45 	46
>> Unchanged Tests	849 	848
>> *Total Tests*	*894* 	*894*
>> 
>> 
>>      Run-Over-Run Changes Detail
>> 
>> Performance Regressions - Compile Time 	Δ	Previous	Current	σ 	Δ (B) 	σ
(B)
>> SingleSource/UnitTests/ObjC/exceptions-4
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.420=3>
7.94%	0.3463
>> 0.3738	0.0002	7.88%	0.0002
>> SingleSource/UnitTests/ObjC/trivial-interface
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.222=3>
7.88%	0.3437
>> 0.3708	0.0003	7.73%	0.0003
>> SingleSource/UnitTests/ObjC/exceptions-2
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.343=3>
7.87%	0.3444
>> 0.3715	0.0081	7.81%	0.0081
>> SingleSource/UnitTests/ObjC/synchronized
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.388=3>
7.79%	0.3464
>> 0.3734	0.0002	7.64%	0.0002
>> SingleSource/UnitTests/ObjC/exceptions-3
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.108=3>
7.78%	0.3458
>> 0.3727	0.0004	7.72%	0.0004
>> SingleSource/UnitTests/ObjC/for-in
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.418=3>
7.76%	0.3493
>> 0.3764	0.0005	7.67%	0.0005
>> SingleSource/UnitTests/ObjC/parameter-passing
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.24=3>
7.59%	0.3715
>> 0.3997	0.0031	7.33%	0.0031
>> SingleSource/UnitTests/ObjC/instance-method-metadata
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.375=3>
7.52%	0.3486
>> 0.3748	0.0010	7.45%	0.0010
>> SingleSource/UnitTests/ObjC/property
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.8=3>
7.49%	0.3646
>> 0.3919	0.0000	7.37%	0.0000
>> SingleSource/UnitTests/ObjC/exceptions
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.101=3>
7.47%	0.3641
>> 0.3913	0.0004	7.41%	0.0004
>> SingleSource/UnitTests/ObjC++/property-reference-object
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.50=3>
5.96%	0.5792
>> 0.6137	0.0001	4.21%	0.0001
>> SingleSource/UnitTests/ObjC++/Hello
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.428=3>
5.89%	0.5742
>> 0.6080	0.0002	4.36%	0.0002
>> SingleSource/UnitTests/ObjC++/property-reference
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.156=3>
5.18%	0.7033
>> 0.7397	0.0003	3.15%	0.0003
>> MultiSource/Benchmarks/MiBench/consumer-jpeg/consumer-jpeg
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.284=3>
3.70%	1.9509
>> 2.0230	0.0008	2.72%	0.0008
>> MultiSource/Benchmarks/mediabench/jpeg/jpeg-6a/cjpeg
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.414=3>
3.55%	1.9755
>> 2.0456	0.0004	2.45%	0.0004
>> MultiSource/Benchmarks/MiBench/office-ispell/office-ispell
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.106=3>
3.49%	0.5011
>> 0.5186	0.0007	3.18%	0.0007
>> MultiSource/Applications/spiff/spiff
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.400=3>
3.43%	0.3989
>> 0.4126	0.0010	2.41%	0.0010
>> MultiSource/Benchmarks/MallocBench/espresso/espresso
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.408=3>
3.07%	1.6150
>> 1.6645	0.0037	2.68%	0.0037
>> MultiSource/Benchmarks/Prolangs-C/TimberWolfMC/timberwolfmc
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.54=3>
3.05%	3.5468
>> 3.6550	0.0020	2.59%	0.0020
>> MultiSource/Applications/ClamAV/clamscan
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.214=3>
2.95%	4.1812
>> 4.3044	0.0044	2.22%	0.0044
>> MultiSource/Benchmarks/Ptrdist/bc/bc
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.423=3>
2.92%	0.3907
>> 0.4021	0.0030	2.32%	0.0030
>> MultiSource/Benchmarks/MiBench/consumer-lame/consumer-lame
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.271=3>
2.82%	1.3096
>> 1.3465	0.0018	2.38%	0.0018
>> MultiSource/Benchmarks/MiBench/telecomm-gsm/telecomm-gsm
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.297=3>
2.76%	0.4972
>> 0.5109	0.0017	2.30%	0.0017
>> MultiSource/Benchmarks/mediabench/gsm/toast/toast
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.123=3>
2.74%	0.4965
>> 0.5101	0.0012	2.02%	0.0012
>> MultiSource/Benchmarks/VersaBench/dbms/dbms
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.276=3>
2.65%	0.5888
>> 0.6044	0.0032	2.44%	0.0032
>> MultiSource/Benchmarks/Prolangs-C/bison/mybison
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.131=3>
2.65%	0.4612
>> 0.4734	0.0015	1.63%	0.0015
>> MultiSource/Applications/treecc/treecc
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.181=3>
2.58%	0.7785
>> 0.7986	0.0012	1.41%	0.0012
>> MultiSource/Applications/SPASS/SPASS
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.25=3>
2.44%	5.5191
>> 5.6538	0.0039	2.02%	0.0039
>> MultiSource/Applications/JM/lencod/lencod
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.384=3>
2.43%	4.5916
>> 4.7032	0.0080	1.85%	0.0080
>> MultiSource/Benchmarks/Prolangs-C++/city/city
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.30=3>
2.37%	2.0844
>> 2.1339	0.0010	3.22%	0.0010
>> MultiSource/Benchmarks/Prolangs-C/agrep/agrep
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.162=3>
2.35%	0.4337
>> 0.4439	0.0002	1.79%	0.0002
>> MultiSource/Benchmarks/ASCI_Purple/SMG2000/smg2000
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.310=3>
2.32%	2.7068
>> 2.7695	0.0071	1.48%	0.0071
>> MultiSource/Applications/hexxagon/hexxagon
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.243=3>
2.28%	0.9968
>> 1.0195	0.0005	2.89%	0.0005
>> MultiSource/Benchmarks/MiBench/consumer-typeset/consumer-typeset
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.392=3>
2.22%	4.3907
>> 4.4882	0.0010	1.55%	0.0010
>> MultiSource/Applications/lua/lua
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.155=3>
2.18%	1.4158
>> 1.4467	0.0010	1.39%	0.0010
>> MultiSource/Applications/JM/ldecod/ldecod
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.125=3>
2.13%	2.1580
>> 2.2040	0.0005	1.79%	0.0005
>> MultiSource/Applications/d/make_dparser
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.134=3>
2.12%	1.0745
>> 1.0973	0.0005	1.78%	0.0005
>> MultiSource/Benchmarks/MallocBench/gs/gs
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.301=3>
2.02%	1.8680
>> 1.9058	0.0036	1.40%	0.0036
>> MultiSource/Benchmarks/mafft/pairlocalalign
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.426=3>
1.91%	2.0841
>> 2.1239	0.0018	1.08%	0.0018
>> MultiSource/Applications/hbd/hbd
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.164=3>
1.89%	0.9641
>> 0.9823	0.0006	1.30%	0.0006
>> MultiSource/Benchmarks/Bullet/bullet
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.274=3>
1.30%	23.8330
>> 24.1424	0.0044	2.65%	0.0044
>> MultiSource/Applications/kimwitu++/kc
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.412=3>
1.24%	11.9645
>> 12.1130	0.0069	1.32%	0.0069
>> MultiSource/Applications/oggenc/oggenc
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.293=3>
1.22%	1.5963
>> 1.6158	0.0016	1.42%	0.0016
>> MultiSource/Applications/sqlite3/sqlite3
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.402=3>
1.13%	2.0217
>> 2.0446	0.0012	0.49%	0.0012
>> 
>> Performance Regressions - Execution Time 	Δ	Previous	Current	σ 	Δ (B) 
σ (B)
>> SingleSource/Benchmarks/Shootout-C++/fibo
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.194=2>
1.03%	12.2303
>> 12.3566	0.0101	-0.17%	0.0101
>> 
>> 
>>      Run-Over-Baseline Changes Detail
>> 
>> Performance Regressions - Compile Time 	Δ(B)	Baseline	Current	σ(B) 	Δ 
σ
>> SingleSource/UnitTests/ObjC/exceptions-4
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.420=3>
7.88%	0.3465
>> 0.3738	0.0002	7.94%	0.0002
>> SingleSource/UnitTests/ObjC/exceptions-2
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.343=3>
7.81%	0.3446
>> 0.3715	0.0081	7.87%	0.0081
>> SingleSource/UnitTests/ObjC/trivial-interface
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.222=3>
7.73%	0.3442
>> 0.3708	0.0003	7.88%	0.0003
>> SingleSource/UnitTests/ObjC/exceptions-3
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.108=3>
7.72%	0.3460
>> 0.3727	0.0004	7.78%	0.0004
>> SingleSource/UnitTests/ObjC/for-in
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.418=3>
7.67%	0.3496
>> 0.3764	0.0005	7.76%	0.0005
>> SingleSource/UnitTests/ObjC/synchronized
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.388=3>
7.64%	0.3469
>> 0.3734	0.0002	7.79%	0.0002
>> SingleSource/UnitTests/ObjC/instance-method-metadata
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.375=3>
7.45%	0.3488
>> 0.3748	0.0010	7.52%	0.0010
>> SingleSource/UnitTests/ObjC/exceptions
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.101=3>
7.41%	0.3643
>> 0.3913	0.0004	7.47%	0.0004
>> SingleSource/UnitTests/ObjC/property
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.8=3>
7.37%	0.3650
>> 0.3919	0.0000	7.49%	0.0000
>> SingleSource/UnitTests/ObjC/parameter-passing
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.24=3>
7.33%	0.3724
>> 0.3997	0.0031	7.59%	0.0031
>> SingleSource/UnitTests/ObjC++/Hello
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.428=3>
4.36%	0.5826
>> 0.6080	0.0002	5.89%	0.0002
>> SingleSource/UnitTests/ObjC++/property-reference-object
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.50=3>
4.21%	0.5889
>> 0.6137	0.0001	5.96%	0.0001
>> MultiSource/Benchmarks/Prolangs-C++/city/city
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.30=3>
3.22%	2.0673
>> 2.1339	0.0010	2.37%	0.0010
>> MultiSource/Benchmarks/MiBench/office-ispell/office-ispell
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.106=3>
3.18%	0.5026
>> 0.5186	0.0007	3.49%	0.0007
>> SingleSource/UnitTests/ObjC++/property-reference
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.156=3>
3.15%	0.7171
>> 0.7397	0.0003	5.18%	0.0003
>> SingleSource/Benchmarks/Misc-C++/Large/ray
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.318=3>
2.95%	0.3625
>> 0.3732	0.0003	2.13%	0.0003
>> SingleSource/Benchmarks/Shootout-C++/moments
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.206=3>
2.91%	0.3678
>> 0.3785	0.0005	2.13%	0.0005
>> SingleSource/Benchmarks/Shootout-C++/hash
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.66=3>
2.89%	0.4146
>> 0.4266	0.0003	2.16%	0.0003
>> MultiSource/Applications/hexxagon/hexxagon
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.243=3>
2.89%	0.9909
>> 1.0195	0.0005	2.28%	0.0005
>> SingleSource/Benchmarks/Shootout-C++/sieve
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.347=3>
2.82%	0.3726
>> 0.3831	0.0002	1.97%	0.0002
>> SingleSource/Benchmarks/Shootout-C++/hash2
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.41=3>
2.73%	0.4251
>> 0.4367	0.0006	1.94%	0.0006
>> MultiSource/Benchmarks/MiBench/consumer-jpeg/consumer-jpeg
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.284=3>
2.72%	1.9694
>> 2.0230	0.0008	3.70%	0.0008
>> MultiSource/Benchmarks/MallocBench/espresso/espresso
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.408=3>
2.68%	1.6211
>> 1.6645	0.0037	3.07%	0.0037
>> MultiSource/Benchmarks/Bullet/bullet
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.274=3>
2.65%	23.5202
>> 24.1424	0.0044	1.30%	0.0044
>> MultiSource/Benchmarks/Prolangs-C/TimberWolfMC/timberwolfmc
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.54=3>
2.59%	3.5627
>> 3.6550	0.0020	3.05%	0.0020
>> MultiSource/Benchmarks/mediabench/jpeg/jpeg-6a/cjpeg
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.414=3>
2.45%	1.9966
>> 2.0456	0.0004	3.55%	0.0004
>> MultiSource/Benchmarks/VersaBench/dbms/dbms
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.276=3>
2.44%	0.5900
>> 0.6044	0.0032	2.65%	0.0032
>> MultiSource/Benchmarks/MiBench/consumer-lame/consumer-lame
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.271=3>
2.38%	1.3152
>> 1.3465	0.0018	2.82%	0.0018
>> MultiSource/Benchmarks/MiBench/telecomm-gsm/telecomm-gsm
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.297=3>
2.30%	0.4994
>> 0.5109	0.0017	2.76%	0.0017
>> MultiSource/Applications/ClamAV/clamscan
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.214=3>
2.22%	4.2109
>> 4.3044	0.0044	2.95%	0.0044
>> SingleSource/Benchmarks/Misc-C++/stepanov_container
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.372=3>
2.21%	0.6435
>> 0.6577	0.0003	1.51%	0.0003
>> SingleSource/Benchmarks/Misc-C++/bigfib
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.321=3>
2.04%	0.5012
>> 0.5114	0.0004	1.61%	0.0004
>> MultiSource/Applications/SPASS/SPASS
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.25=3>
2.02%	5.5417
>> 5.6538	0.0039	2.44%	0.0039
>> MultiSource/Benchmarks/mediabench/gsm/toast/toast
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.123=3>
2.02%	0.5000
>> 0.5101	0.0012	2.74%	0.0012
>> MultiSource/Applications/JM/lencod/lencod
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.384=3>
1.85%	4.6177
>> 4.7032	0.0080	2.43%	0.0080
>> MultiSource/Applications/JM/ldecod/ldecod
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.125=3>
1.79%	2.1653
>> 2.2040	0.0005	2.13%	0.0005
>> MultiSource/Applications/d/make_dparser
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.134=3>
1.78%	1.0781
>> 1.0973	0.0005	2.12%	0.0005
>> MultiSource/Benchmarks/MiBench/consumer-typeset/consumer-typeset
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.392=3>
1.55%	4.4195
>> 4.4882	0.0010	2.22%	0.0010
>> MultiSource/Benchmarks/ASCI_Purple/SMG2000/smg2000
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.310=3>
1.48%	2.7292
>> 2.7695	0.0071	2.32%	0.0071
>> MultiSource/Applications/oggenc/oggenc
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.293=3>
1.42%	1.5932
>> 1.6158	0.0016	1.22%	0.0016
>> MultiSource/Applications/treecc/treecc
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.181=3>
1.41%	0.7875
>> 0.7986	0.0012	2.58%	0.0012
>> MultiSource/Benchmarks/MallocBench/gs/gs
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.301=3>
1.40%	1.8794
>> 1.9058	0.0036	2.02%	0.0036
>> MultiSource/Applications/lua/lua
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.155=3>
1.39%	1.4269
>> 1.4467	0.0010	2.18%	0.0010
>> MultiSource/Applications/kimwitu++/kc
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.412=3>
1.32%	11.9555
>> 12.1130	0.0069	1.24%	0.0069
>> MultiSource/Applications/hbd/hbd
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.164=3>
1.30%	0.9697
>> 0.9823	0.0006	1.89%	0.0006
>> MultiSource/Benchmarks/mafft/pairlocalalign
>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.426=3>
1.08%	2.1013
>> 2.1239	0.0018	1.91%	0.0018
>> 
>> *Report Time*: 1.96s
>> 
>> 
>> _______________________________________________
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>> llvm-testresults at cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/llvm-testresults
> 
> _______________________________________________
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Duncan Sands

2012-Jul-05 08:33 UTC

head link

[LLVMdev] Exception handling slowdown?

Hi Bill,
> Nothing that I'm aware of has changed with EH. Is it possible to bisect
the problem?
I don't see any relevant LLVM changes, so I guess clang C++ compilation
slowed
down due to some clang changes.  I'm not going to investigate this.

Ciao, Duncan.
>
> -bw
>
> On Jun 20, 2012, at 12:38 AM, Duncan Sands <baldrick at free.fr>
wrote:
>
>> Did something change with exception handling recently?  A bunch of lit
bots are
>> showing slower compile times for many tests.
>>
>> Ciao, Duncan.
>>
>> On 20/06/12 07:53, llvm-testresults at cs.uiuc.edu wrote:
>>>
>>>   lab-mini-03__O0-g__clang_DEV__x86_64 test results
>>>  
<http://llvm.org/perf/db_default/v4/nts/1283?compare_to=1278&baseline=999>
>>>
>>> Run 	Order 	Start Time 	Duration
>>> Current <http://llvm.org/perf/db_default/v4/nts/1283>	158786
>>> <http://llvm.org/perf/db_default/v4/nts/order/1314>
2012-06-20 03:39:48	2:15:27
>>> Previous <http://llvm.org/perf/db_default/v4/nts/1278>	158769
>>> <http://llvm.org/perf/db_default/v4/nts/order/1310>
2012-06-20 00:57:42	2:15:20
>>> Baseline <http://llvm.org/perf/db_default/v4/nts/999>	158324
>>> <http://llvm.org/perf/db_default/v4/nts/order/1162>
2012-06-11 20:29:30	2:15:20
>>>
>>>
>>>       Tests Summary
>>>
>>> Status Group 	# 	# (B)
>>> Performance Regressions	45 	46
>>> Unchanged Tests	849 	848
>>> *Total Tests*	*894* 	*894*
>>>
>>>
>>>       Run-Over-Run Changes Detail
>>>
>>> Performance Regressions - Compile Time 	Δ	Previous	Current	σ 	Δ (B)
σ (B)
>>> SingleSource/UnitTests/ObjC/exceptions-4
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.420=3>	7.94%
0.3463
>>> 0.3738	0.0002	7.88%	0.0002
>>> SingleSource/UnitTests/ObjC/trivial-interface
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.222=3>	7.88%
0.3437
>>> 0.3708	0.0003	7.73%	0.0003
>>> SingleSource/UnitTests/ObjC/exceptions-2
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.343=3>	7.87%
0.3444
>>> 0.3715	0.0081	7.81%	0.0081
>>> SingleSource/UnitTests/ObjC/synchronized
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.388=3>	7.79%
0.3464
>>> 0.3734	0.0002	7.64%	0.0002
>>> SingleSource/UnitTests/ObjC/exceptions-3
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.108=3>	7.78%
0.3458
>>> 0.3727	0.0004	7.72%	0.0004
>>> SingleSource/UnitTests/ObjC/for-in
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.418=3>	7.76%
0.3493
>>> 0.3764	0.0005	7.67%	0.0005
>>> SingleSource/UnitTests/ObjC/parameter-passing
>>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.24=3>
7.59%	0.3715
>>> 0.3997	0.0031	7.33%	0.0031
>>> SingleSource/UnitTests/ObjC/instance-method-metadata
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.375=3>	7.52%
0.3486
>>> 0.3748	0.0010	7.45%	0.0010
>>> SingleSource/UnitTests/ObjC/property
>>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.8=3>
7.49%	0.3646
>>> 0.3919	0.0000	7.37%	0.0000
>>> SingleSource/UnitTests/ObjC/exceptions
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.101=3>	7.47%
0.3641
>>> 0.3913	0.0004	7.41%	0.0004
>>> SingleSource/UnitTests/ObjC++/property-reference-object
>>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.50=3>
5.96%	0.5792
>>> 0.6137	0.0001	4.21%	0.0001
>>> SingleSource/UnitTests/ObjC++/Hello
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.428=3>	5.89%
0.5742
>>> 0.6080	0.0002	4.36%	0.0002
>>> SingleSource/UnitTests/ObjC++/property-reference
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.156=3>	5.18%
0.7033
>>> 0.7397	0.0003	3.15%	0.0003
>>> MultiSource/Benchmarks/MiBench/consumer-jpeg/consumer-jpeg
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.284=3>	3.70%
1.9509
>>> 2.0230	0.0008	2.72%	0.0008
>>> MultiSource/Benchmarks/mediabench/jpeg/jpeg-6a/cjpeg
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.414=3>	3.55%
1.9755
>>> 2.0456	0.0004	2.45%	0.0004
>>> MultiSource/Benchmarks/MiBench/office-ispell/office-ispell
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.106=3>	3.49%
0.5011
>>> 0.5186	0.0007	3.18%	0.0007
>>> MultiSource/Applications/spiff/spiff
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.400=3>	3.43%
0.3989
>>> 0.4126	0.0010	2.41%	0.0010
>>> MultiSource/Benchmarks/MallocBench/espresso/espresso
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.408=3>	3.07%
1.6150
>>> 1.6645	0.0037	2.68%	0.0037
>>> MultiSource/Benchmarks/Prolangs-C/TimberWolfMC/timberwolfmc
>>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.54=3>
3.05%	3.5468
>>> 3.6550	0.0020	2.59%	0.0020
>>> MultiSource/Applications/ClamAV/clamscan
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.214=3>	2.95%
4.1812
>>> 4.3044	0.0044	2.22%	0.0044
>>> MultiSource/Benchmarks/Ptrdist/bc/bc
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.423=3>	2.92%
0.3907
>>> 0.4021	0.0030	2.32%	0.0030
>>> MultiSource/Benchmarks/MiBench/consumer-lame/consumer-lame
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.271=3>	2.82%
1.3096
>>> 1.3465	0.0018	2.38%	0.0018
>>> MultiSource/Benchmarks/MiBench/telecomm-gsm/telecomm-gsm
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.297=3>	2.76%
0.4972
>>> 0.5109	0.0017	2.30%	0.0017
>>> MultiSource/Benchmarks/mediabench/gsm/toast/toast
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.123=3>	2.74%
0.4965
>>> 0.5101	0.0012	2.02%	0.0012
>>> MultiSource/Benchmarks/VersaBench/dbms/dbms
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.276=3>	2.65%
0.5888
>>> 0.6044	0.0032	2.44%	0.0032
>>> MultiSource/Benchmarks/Prolangs-C/bison/mybison
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.131=3>	2.65%
0.4612
>>> 0.4734	0.0015	1.63%	0.0015
>>> MultiSource/Applications/treecc/treecc
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.181=3>	2.58%
0.7785
>>> 0.7986	0.0012	1.41%	0.0012
>>> MultiSource/Applications/SPASS/SPASS
>>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.25=3>
2.44%	5.5191
>>> 5.6538	0.0039	2.02%	0.0039
>>> MultiSource/Applications/JM/lencod/lencod
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.384=3>	2.43%
4.5916
>>> 4.7032	0.0080	1.85%	0.0080
>>> MultiSource/Benchmarks/Prolangs-C++/city/city
>>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.30=3>
2.37%	2.0844
>>> 2.1339	0.0010	3.22%	0.0010
>>> MultiSource/Benchmarks/Prolangs-C/agrep/agrep
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.162=3>	2.35%
0.4337
>>> 0.4439	0.0002	1.79%	0.0002
>>> MultiSource/Benchmarks/ASCI_Purple/SMG2000/smg2000
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.310=3>	2.32%
2.7068
>>> 2.7695	0.0071	1.48%	0.0071
>>> MultiSource/Applications/hexxagon/hexxagon
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.243=3>	2.28%
0.9968
>>> 1.0195	0.0005	2.89%	0.0005
>>> MultiSource/Benchmarks/MiBench/consumer-typeset/consumer-typeset
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.392=3>	2.22%
4.3907
>>> 4.4882	0.0010	1.55%	0.0010
>>> MultiSource/Applications/lua/lua
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.155=3>	2.18%
1.4158
>>> 1.4467	0.0010	1.39%	0.0010
>>> MultiSource/Applications/JM/ldecod/ldecod
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.125=3>	2.13%
2.1580
>>> 2.2040	0.0005	1.79%	0.0005
>>> MultiSource/Applications/d/make_dparser
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.134=3>	2.12%
1.0745
>>> 1.0973	0.0005	1.78%	0.0005
>>> MultiSource/Benchmarks/MallocBench/gs/gs
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.301=3>	2.02%
1.8680
>>> 1.9058	0.0036	1.40%	0.0036
>>> MultiSource/Benchmarks/mafft/pairlocalalign
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.426=3>	1.91%
2.0841
>>> 2.1239	0.0018	1.08%	0.0018
>>> MultiSource/Applications/hbd/hbd
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.164=3>	1.89%
0.9641
>>> 0.9823	0.0006	1.30%	0.0006
>>> MultiSource/Benchmarks/Bullet/bullet
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.274=3>	1.30%
23.8330
>>> 24.1424	0.0044	2.65%	0.0044
>>> MultiSource/Applications/kimwitu++/kc
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.412=3>	1.24%
11.9645
>>> 12.1130	0.0069	1.32%	0.0069
>>> MultiSource/Applications/oggenc/oggenc
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.293=3>	1.22%
1.5963
>>> 1.6158	0.0016	1.42%	0.0016
>>> MultiSource/Applications/sqlite3/sqlite3
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.402=3>	1.13%
2.0217
>>> 2.0446	0.0012	0.49%	0.0012
>>>
>>> Performance Regressions - Execution Time 	Δ	Previous	Current	σ 	Δ
(B) 	σ (B)
>>> SingleSource/Benchmarks/Shootout-C++/fibo
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.194=2>	1.03%
12.2303
>>> 12.3566	0.0101	-0.17%	0.0101
>>>
>>>
>>>       Run-Over-Baseline Changes Detail
>>>
>>> Performance Regressions - Compile Time 	Δ(B)	Baseline	Current	σ(B) 
Δ 	σ
>>> SingleSource/UnitTests/ObjC/exceptions-4
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.420=3>	7.88%
0.3465
>>> 0.3738	0.0002	7.94%	0.0002
>>> SingleSource/UnitTests/ObjC/exceptions-2
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.343=3>	7.81%
0.3446
>>> 0.3715	0.0081	7.87%	0.0081
>>> SingleSource/UnitTests/ObjC/trivial-interface
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.222=3>	7.73%
0.3442
>>> 0.3708	0.0003	7.88%	0.0003
>>> SingleSource/UnitTests/ObjC/exceptions-3
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.108=3>	7.72%
0.3460
>>> 0.3727	0.0004	7.78%	0.0004
>>> SingleSource/UnitTests/ObjC/for-in
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.418=3>	7.67%
0.3496
>>> 0.3764	0.0005	7.76%	0.0005
>>> SingleSource/UnitTests/ObjC/synchronized
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.388=3>	7.64%
0.3469
>>> 0.3734	0.0002	7.79%	0.0002
>>> SingleSource/UnitTests/ObjC/instance-method-metadata
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.375=3>	7.45%
0.3488
>>> 0.3748	0.0010	7.52%	0.0010
>>> SingleSource/UnitTests/ObjC/exceptions
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.101=3>	7.41%
0.3643
>>> 0.3913	0.0004	7.47%	0.0004
>>> SingleSource/UnitTests/ObjC/property
>>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.8=3>
7.37%	0.3650
>>> 0.3919	0.0000	7.49%	0.0000
>>> SingleSource/UnitTests/ObjC/parameter-passing
>>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.24=3>
7.33%	0.3724
>>> 0.3997	0.0031	7.59%	0.0031
>>> SingleSource/UnitTests/ObjC++/Hello
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.428=3>	4.36%
0.5826
>>> 0.6080	0.0002	5.89%	0.0002
>>> SingleSource/UnitTests/ObjC++/property-reference-object
>>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.50=3>
4.21%	0.5889
>>> 0.6137	0.0001	5.96%	0.0001
>>> MultiSource/Benchmarks/Prolangs-C++/city/city
>>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.30=3>
3.22%	2.0673
>>> 2.1339	0.0010	2.37%	0.0010
>>> MultiSource/Benchmarks/MiBench/office-ispell/office-ispell
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.106=3>	3.18%
0.5026
>>> 0.5186	0.0007	3.49%	0.0007
>>> SingleSource/UnitTests/ObjC++/property-reference
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.156=3>	3.15%
0.7171
>>> 0.7397	0.0003	5.18%	0.0003
>>> SingleSource/Benchmarks/Misc-C++/Large/ray
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.318=3>	2.95%
0.3625
>>> 0.3732	0.0003	2.13%	0.0003
>>> SingleSource/Benchmarks/Shootout-C++/moments
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.206=3>	2.91%
0.3678
>>> 0.3785	0.0005	2.13%	0.0005
>>> SingleSource/Benchmarks/Shootout-C++/hash
>>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.66=3>
2.89%	0.4146
>>> 0.4266	0.0003	2.16%	0.0003
>>> MultiSource/Applications/hexxagon/hexxagon
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.243=3>	2.89%
0.9909
>>> 1.0195	0.0005	2.28%	0.0005
>>> SingleSource/Benchmarks/Shootout-C++/sieve
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.347=3>	2.82%
0.3726
>>> 0.3831	0.0002	1.97%	0.0002
>>> SingleSource/Benchmarks/Shootout-C++/hash2
>>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.41=3>
2.73%	0.4251
>>> 0.4367	0.0006	1.94%	0.0006
>>> MultiSource/Benchmarks/MiBench/consumer-jpeg/consumer-jpeg
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.284=3>	2.72%
1.9694
>>> 2.0230	0.0008	3.70%	0.0008
>>> MultiSource/Benchmarks/MallocBench/espresso/espresso
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.408=3>	2.68%
1.6211
>>> 1.6645	0.0037	3.07%	0.0037
>>> MultiSource/Benchmarks/Bullet/bullet
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.274=3>	2.65%
23.5202
>>> 24.1424	0.0044	1.30%	0.0044
>>> MultiSource/Benchmarks/Prolangs-C/TimberWolfMC/timberwolfmc
>>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.54=3>
2.59%	3.5627
>>> 3.6550	0.0020	3.05%	0.0020
>>> MultiSource/Benchmarks/mediabench/jpeg/jpeg-6a/cjpeg
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.414=3>	2.45%
1.9966
>>> 2.0456	0.0004	3.55%	0.0004
>>> MultiSource/Benchmarks/VersaBench/dbms/dbms
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.276=3>	2.44%
0.5900
>>> 0.6044	0.0032	2.65%	0.0032
>>> MultiSource/Benchmarks/MiBench/consumer-lame/consumer-lame
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.271=3>	2.38%
1.3152
>>> 1.3465	0.0018	2.82%	0.0018
>>> MultiSource/Benchmarks/MiBench/telecomm-gsm/telecomm-gsm
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.297=3>	2.30%
0.4994
>>> 0.5109	0.0017	2.76%	0.0017
>>> MultiSource/Applications/ClamAV/clamscan
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.214=3>	2.22%
4.2109
>>> 4.3044	0.0044	2.95%	0.0044
>>> SingleSource/Benchmarks/Misc-C++/stepanov_container
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.372=3>	2.21%
0.6435
>>> 0.6577	0.0003	1.51%	0.0003
>>> SingleSource/Benchmarks/Misc-C++/bigfib
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.321=3>	2.04%
0.5012
>>> 0.5114	0.0004	1.61%	0.0004
>>> MultiSource/Applications/SPASS/SPASS
>>> <http://llvm.org/perf/db_default/v4/nts/1283/graph?test.25=3>
2.02%	5.5417
>>> 5.6538	0.0039	2.44%	0.0039
>>> MultiSource/Benchmarks/mediabench/gsm/toast/toast
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.123=3>	2.02%
0.5000
>>> 0.5101	0.0012	2.74%	0.0012
>>> MultiSource/Applications/JM/lencod/lencod
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.384=3>	1.85%
4.6177
>>> 4.7032	0.0080	2.43%	0.0080
>>> MultiSource/Applications/JM/ldecod/ldecod
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.125=3>	1.79%
2.1653
>>> 2.2040	0.0005	2.13%	0.0005
>>> MultiSource/Applications/d/make_dparser
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.134=3>	1.78%
1.0781
>>> 1.0973	0.0005	2.12%	0.0005
>>> MultiSource/Benchmarks/MiBench/consumer-typeset/consumer-typeset
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.392=3>	1.55%
4.4195
>>> 4.4882	0.0010	2.22%	0.0010
>>> MultiSource/Benchmarks/ASCI_Purple/SMG2000/smg2000
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.310=3>	1.48%
2.7292
>>> 2.7695	0.0071	2.32%	0.0071
>>> MultiSource/Applications/oggenc/oggenc
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.293=3>	1.42%
1.5932
>>> 1.6158	0.0016	1.22%	0.0016
>>> MultiSource/Applications/treecc/treecc
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.181=3>	1.41%
0.7875
>>> 0.7986	0.0012	2.58%	0.0012
>>> MultiSource/Benchmarks/MallocBench/gs/gs
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.301=3>	1.40%
1.8794
>>> 1.9058	0.0036	2.02%	0.0036
>>> MultiSource/Applications/lua/lua
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.155=3>	1.39%
1.4269
>>> 1.4467	0.0010	2.18%	0.0010
>>> MultiSource/Applications/kimwitu++/kc
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.412=3>	1.32%
11.9555
>>> 12.1130	0.0069	1.24%	0.0069
>>> MultiSource/Applications/hbd/hbd
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.164=3>	1.30%
0.9697
>>> 0.9823	0.0006	1.89%	0.0006
>>> MultiSource/Benchmarks/mafft/pairlocalalign
>>>
<http://llvm.org/perf/db_default/v4/nts/1283/graph?test.426=3>	1.08%
2.1013
>>> 2.1239	0.0018	1.91%	0.0018
>>>
>>> *Report Time*: 1.96s
>>>
>>>
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