OV - Compare Loops

MAQAO

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Loops

▶stream.c: 348 - 87.53 %

ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)
Run orig_default						Run gcc_default						Run armclang_5						Run gcc_6
Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 348-348					Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 348-348					Loop Source Regions						Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 348-348
9	8.46	8.70	29.58	100	100	9	8.47	8.59	28.41	100	50							7	8.03	8.19	29.53	0	25

Sum on 1 analyzed binary loop (exec - 9)						Sum on 1 analyzed binary loop (exec - 9)						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						Sum on 1 analyzed binary loop (exec - 7)
Analysis					Count	Analysis					Count	Analysis					Count	Analysis					Count
Loop Computation Issues						Loop Computation Issues												Loop Computation Issues
Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1	Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1							Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1
Data Access Issues						Data Access Issues												Data Access Issues
Presence of constant non-unit stride data access					1	Presence of constant non-unit stride data access					1							Presence of constant non-unit stride data access
Vectorization Roadblocks						Vectorization Roadblocks												Vectorization Roadblocks
Presence of constant non-unit stride data access					1	Presence of constant non-unit stride data access					1							Presence of constant non-unit stride data access

▶stream.c: 359 - 58.72 %

ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)
Run orig_default						Run gcc_default						Run armclang_5						Run gcc_6
Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 359-360					Loop Source Regions						Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 359-360					Loop Source Regions
11	8.47	8.69	29.53	100	100							7	8.01	8.21	29.19	0	25

Sum on 1 analyzed binary loop (exec - 11)						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						Sum on 1 analyzed binary loop (exec - 7)						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.
Analysis					Count	Analysis					Count	Analysis					Count	Analysis					Count
Data Access Issues												Data Access Issues
Presence of constant non-unit stride data access					1							Presence of constant non-unit stride data access
Vectorization Roadblocks												Vectorization Roadblocks
Presence of constant non-unit stride data access					1							Presence of constant non-unit stride data access

▶stream.c: 360 - 57.94 %

ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)
Run orig_default						Run gcc_default						Run armclang_5						Run gcc_6
Loop Source Regions						Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 360-360					Loop Source Regions						Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 360-360
						6	8.49	8.59	28.41	100	50							5	8.03	8.19	29.53	0	25

No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						Sum on 1 analyzed binary loop (exec - 6)						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						Sum on 1 analyzed binary loop (exec - 5)
Analysis					Count	Analysis					Count	Analysis					Count	Analysis					Count
						Data Access Issues												Data Access Issues
						Presence of constant non-unit stride data access					1							Presence of constant non-unit stride data access
						Vectorization Roadblocks												Vectorization Roadblocks
						Presence of constant non-unit stride data access					1							Presence of constant non-unit stride data access

▶stream.c: 336 - 42.32 %

ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)
Run orig_default						Run gcc_default						Run armclang_5						Run gcc_6
Loop Source Regions						Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 336-336					Loop Source Regions						Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 336-336
						12	6.59	6.71	22.18	100	50							9	5.50	5.58	20.15	0	25

No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						Sum on 1 analyzed binary loop (exec - 12)						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						Sum on 1 analyzed binary loop (exec - 9)
Analysis					Count	Analysis					Count	Analysis					Count	Analysis					Count
						Loop Computation Issues												Loop Computation Issues
						Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1							Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1
						Data Access Issues												Data Access Issues
						Presence of constant non-unit stride data access					1							Presence of constant non-unit stride data access
						Vectorization Roadblocks												Vectorization Roadblocks
						Presence of constant non-unit stride data access					1							Presence of constant non-unit stride data access

▶stream.c: 324 - 40.63 %

ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)
Run orig_default						Run gcc_default						Run armclang_5						Run gcc_6
Loop Source Regions						Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 324-324					Loop Source Regions						Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 324-324
						15	6.15	6.18	20.45	100	50							11	5.50	5.59	20.18	0	25

No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						Sum on 1 analyzed binary loop (exec - 15)						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						Sum on 1 analyzed binary loop (exec - 11)
Analysis					Count	Analysis					Count	Analysis					Count	Analysis					Count
						Data Access Issues												Data Access Issues
						Presence of constant non-unit stride data access					1							Presence of constant non-unit stride data access
						Vectorization Roadblocks												Vectorization Roadblocks
						Presence of constant non-unit stride data access					1							Presence of constant non-unit stride data access

▶stream.c: 335 - 39.70 %

ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)
Run orig_default						Run gcc_default						Run armclang_5						Run gcc_6
Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 335-336					Loop Source Regions						Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 335-336					Loop Source Regions
7	5.69	5.82	19.78	100	100							5	5.46	5.61	19.92	0	25

Sum on 1 analyzed binary loop (exec - 7)						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						Sum on 1 analyzed binary loop (exec - 5)						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.
Analysis					Count	Analysis					Count	Analysis					Count	Analysis					Count
Loop Computation Issues												Loop Computation Issues
Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1							Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1
Data Access Issues												Data Access Issues
Presence of constant non-unit stride data access					1							Presence of constant non-unit stride data access
Vectorization Roadblocks												Vectorization Roadblocks
Presence of constant non-unit stride data access					1							Presence of constant non-unit stride data access

▶stream.c: 347 - 29.20 %

ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)
Run orig_default						Run gcc_default						Run armclang_5						Run gcc_6
Loop Source Regions						Loop Source Regions						Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 347-348					Loop Source Regions
												6	8.02	8.22	29.20	0	25

No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						Sum on 1 analyzed binary loop (exec - 6)						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.
Analysis					Count	Analysis					Count	Analysis					Count	Analysis					Count
												Loop Computation Issues
												Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1

▶stream.c: 296 - 0.62 %

ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)
Run orig_default						Run gcc_default						Run armclang_5						Run gcc_6
Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 296-296					Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 296-296					Loop Source Regions						Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 296-296
5	0.07	0.06	0.21	100	100	18	0.06	0.06	0.19	100	72.73							13	0.06	0.06	0.21	100	100

Sum on 1 analyzed binary loop (exec - 5)						Sum on 1 analyzed binary loop (exec - 18)						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						Sum on 1 analyzed binary loop (exec - 13)
Analysis					Count	Analysis					Count	Analysis					Count	Analysis					Count
Loop Computation Issues						Loop Computation Issues												Loop Computation Issues
Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1	Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1							Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1
Data Access Issues						Data Access Issues												Data Access Issues
Presence of constant non-unit stride data access					1	Presence of constant non-unit stride data access					1							Presence of constant non-unit stride data access					1
Vectorization Roadblocks						Vectorization Roadblocks												Vectorization Roadblocks
Presence of constant non-unit stride data access					1	Presence of constant non-unit stride data access					1							Presence of constant non-unit stride data access					1

▶stream.c: 295 - 0.22 %

ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)
Run orig_default						Run gcc_default						Run armclang_5						Run gcc_6
Loop Source Regions						Loop Source Regions						Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 295-296					Loop Source Regions
												4	0.06	0.06	0.22	40	35

No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						Sum on 1 analyzed binary loop (exec - 4)						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.
Analysis					Count	Analysis					Count	Analysis					Count	Analysis					Count
												Loop Computation Issues
												Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1

▶stream.c: 484 - 0.20 %

ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)
Run orig_default						Run gcc_default						Run armclang_5						Run gcc_6
Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 484-487					Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 484-487					Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 484-487					Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 484-487
15	1.29	0.02	0.07	85.71	87.76	25	0.62	0.01	0.03	100	100	10	0.97	0.02	0.06	0	25	20	0.62	0.01	0.04	100	100

Sum on 1 analyzed binary loop (exec - 15)						Sum on 1 analyzed binary loop (exec - 25)						Sum on 1 analyzed binary loop (exec - 10)						Sum on 1 analyzed binary loop (exec - 20)
Analysis					Count	Analysis					Count	Analysis					Count	Analysis					Count
Loop Computation Issues						Loop Computation Issues						Loop Computation Issues						Loop Computation Issues
Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1	Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1	Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1	Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA					1
Presence of a large number of scalar integer instructions					0	Presence of a large number of scalar integer instructions					0	Presence of a large number of scalar integer instructions					1	Presence of a large number of scalar integer instructions					0
Data Access Issues						Data Access Issues						Data Access Issues						Data Access Issues
Presence of constant non-unit stride data access					1	Presence of constant non-unit stride data access					1	Presence of constant non-unit stride data access						Presence of constant non-unit stride data access					1
Vectorization Roadblocks						Vectorization Roadblocks						Vectorization Roadblocks						Vectorization Roadblocks
Presence of constant non-unit stride data access					1	Presence of constant non-unit stride data access					1	Presence of constant non-unit stride data access						Presence of constant non-unit stride data access					1

▶stream.c: 277 - 0.12 %

ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)
Run orig_default						Run gcc_default						Run armclang_5						Run gcc_6
Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 277-278					Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 277-279					Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 276-278					Loop Source Regions
3	0.02	0.01	0.02	100	100	21	0.04	0.02	0.05	100	100	2	0.04	0.01	0.05	0	25

Sum on 1 analyzed binary loop (exec - 3)						Sum on 1 analyzed binary loop (exec - 21)						Sum on 1 analyzed binary loop (exec - 2)						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.
Analysis					Count	Analysis					Count	Analysis					Count	Analysis					Count
Data Access Issues						Data Access Issues						Data Access Issues
Presence of constant non-unit stride data access					1	Presence of constant non-unit stride data access					1	Presence of constant non-unit stride data access
Vectorization Roadblocks						Vectorization Roadblocks						Vectorization Roadblocks
Presence of constant non-unit stride data access					1	Presence of constant non-unit stride data access					1	Presence of constant non-unit stride data access

▶stream.c: 276 - 0.07 %

ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)	ASM Loop ID	Max Time Over Threads (s)	Time w.r.t. Wall Time (s)	Cov (%)	Vect. Ratio (%)	Vector Length Use (%)
Run orig_default						Run gcc_default						Run armclang_5						Run gcc_6
Loop Source Regions						Loop Source Regions						Loop Source Regions						Loop Source Regions	/home/eoseret/Tools/QaaS/qaas_runs/175-491-9774/intel/stream/build/stream/src/stream.c: 277-279
																		15	0.04	0.02	0.07	0	25

No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						No Optimizer analysis found for any assembly loop. More loops can be analyzed using option --optimizer-loop-count.						Sum on 1 analyzed binary loop (exec - 15)
Analysis					Count	Analysis					Count	Analysis					Count	Analysis					Count
																		Loop Computation Issues
																		Presence of a large number of scalar integer instructions					1

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