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exec - 2024-04-27 02:31:01 - MAQAO 2.20.0

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Optimizer

Loop IDAnalysisPenalty Score
Loop 228 - exec+Execution Time: 6 % - Vectorization Ratio: 100.00 % - Vector Length Use: 100.00 %
Loop Computation Issues+96
[SA] Presence of expensive FP instructions - Perform hoisting, change algorithm, use SVML or proper numerical library or perform value profiling (count the number of distinct input values). There are 24 issues (= instructions) costing 4 points each.96
Data Access Issues+6
[SA] Presence of constant non unit stride data access - Use array restructuring, perform loop interchange or use gather instructions to lower a bit the cost. There are 2 issues ( = data accesses) costing 2 point each.4
[SA] More than 20% of the loads are accessing the stack - Perform loop splitting to decrease pressure on registers. This issue costs 2 points.2
Vectorization Roadblocks+4
[SA] Presence of constant non unit stride data access - Use array restructuring, perform loop interchange or use gather instructions to lower a bit the cost. There are 2 issues ( = data accesses) costing 2 point each.4
Loop 104 - exec+Execution Time: 5 % - Vectorization Ratio: 100.00 % - Vector Length Use: 100.00 %
Loop Computation Issues+32
[SA] Presence of expensive FP instructions - Perform hoisting, change algorithm, use SVML or proper numerical library or perform value profiling (count the number of distinct input values). There are 8 issues (= instructions) costing 4 points each.32
Data Access Issues+28
[SA] Presence of constant non unit stride data access - Use array restructuring, perform loop interchange or use gather instructions to lower a bit the cost. There are 13 issues ( = data accesses) costing 2 point each.26
[SA] More than 20% of the loads are accessing the stack - Perform loop splitting to decrease pressure on registers. This issue costs 2 points.2
Vectorization Roadblocks+26
[SA] Presence of constant non unit stride data access - Use array restructuring, perform loop interchange or use gather instructions to lower a bit the cost. There are 13 issues ( = data accesses) costing 2 point each.26
Loop 225 - exec+Execution Time: 5 % - Vectorization Ratio: 100.00 % - Vector Length Use: 100.00 %
Loop Computation Issues+96
[SA] Presence of expensive FP instructions - Perform hoisting, change algorithm, use SVML or proper numerical library or perform value profiling (count the number of distinct input values). There are 24 issues (= instructions) costing 4 points each.96
Data Access Issues+6
[SA] Presence of constant non unit stride data access - Use array restructuring, perform loop interchange or use gather instructions to lower a bit the cost. There are 2 issues ( = data accesses) costing 2 point each.4
[SA] More than 20% of the loads are accessing the stack - Perform loop splitting to decrease pressure on registers. This issue costs 2 points.2
Vectorization Roadblocks+4
[SA] Presence of constant non unit stride data access - Use array restructuring, perform loop interchange or use gather instructions to lower a bit the cost. There are 2 issues ( = data accesses) costing 2 point each.4
Loop 418 - exec+Execution Time: 4 % - Vectorization Ratio: 100.00 % - Vector Length Use: 100.00 %
Loop Computation Issues+260
[SA] Presence of expensive FP instructions - Perform hoisting, change algorithm, use SVML or proper numerical library or perform value profiling (count the number of distinct input values). There are 64 issues (= instructions) costing 4 points each.256
[SA] Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA - Reorganize arithmetic expressions to exhibit potential for FMA. This issue costs 4 points.4
Data Access Issues+2
[SA] Presence of constant non unit stride data access - Use array restructuring, perform loop interchange or use gather instructions to lower a bit the cost. There are 1 issues ( = data accesses) costing 2 point each.2
Vectorization Roadblocks+2
[SA] Presence of constant non unit stride data access - Use array restructuring, perform loop interchange or use gather instructions to lower a bit the cost. There are 1 issues ( = data accesses) costing 2 point each.2
Loop 206 - exec+Execution Time: 4 % - Vectorization Ratio: 100.00 % - Vector Length Use: 100.00 %
Loop Computation Issues+4
[SA] Less than 10% of the FP ADD/SUB/MUL arithmetic operations are performed using FMA - Reorganize arithmetic expressions to exhibit potential for FMA. This issue costs 4 points.4
Loop 140 - exec+Execution Time: 4 % - Vectorization Ratio: 100.00 % - Vector Length Use: 100.00 %
Loop Computation Issues+128
[SA] Presence of expensive FP instructions - Perform hoisting, change algorithm, use SVML or proper numerical library or perform value profiling (count the number of distinct input values). There are 32 issues (= instructions) costing 4 points each.128
Loop 149 - exec+Execution Time: 4 % - Vectorization Ratio: 100.00 % - Vector Length Use: 100.00 %
Loop Computation Issues+128
[SA] Presence of expensive FP instructions - Perform hoisting, change algorithm, use SVML or proper numerical library or perform value profiling (count the number of distinct input values). There are 32 issues (= instructions) costing 4 points each.128
Loop 138 - exec+Execution Time: 4 % - Vectorization Ratio: 100.00 % - Vector Length Use: 94.02 %
Loop Computation Issues+192
[SA] Presence of expensive FP instructions - Perform hoisting, change algorithm, use SVML or proper numerical library or perform value profiling (count the number of distinct input values). There are 48 issues (= instructions) costing 4 points each.192
Data Access Issues+70
[SA] Presence of indirect accesses - Use array restructuring or gather instructions to lower the cost. There are 6 issues ( = indirect data accesses) costing 4 point each.24
[SA] Presence of expensive instructions (GATHER/SCATTER) - Use array restructuring. There are 10 issues (= instructions) costing 4 points each.40
[SA] Presence of special instructions executing on a single port (INSERT/EXTRACT, BLEND/MERGE, SHUFFLE/PERM) - Simplify data access and try to get stride 1 access. There are 6 issues (= instructions) costing 1 point each.6
Vectorization Roadblocks+24
[SA] Presence of indirect accesses - Use array restructuring or gather instructions to lower the cost. There are 6 issues ( = indirect data accesses) costing 4 point each.24
Inefficient Vectorization+48
[SA] Presence of expensive instructions (GATHER/SCATTER) - Use array restructuring. There are 10 issues (= instructions) costing 4 points each.40
[SA] Presence of special instructions executing on a single port (INSERT/EXTRACT, BLEND/MERGE, SHUFFLE/PERM) - Simplify data access and try to get stride 1 access. There are 6 issues (= instructions) costing 1 point each.6
[SA] Inefficient vectorization: use of masked instructions - Simplify control structure. The issue costs 2 points.2
Loop 147 - exec+Execution Time: 4 % - Vectorization Ratio: 96.15 % - Vector Length Use: 91.11 %
Loop Computation Issues+192
[SA] Presence of expensive FP instructions - Perform hoisting, change algorithm, use SVML or proper numerical library or perform value profiling (count the number of distinct input values). There are 48 issues (= instructions) costing 4 points each.192
Data Access Issues+77
[SA] Presence of indirect accesses - Use array restructuring or gather instructions to lower the cost. There are 6 issues ( = indirect data accesses) costing 4 point each.24
[SA] Presence of expensive instructions (GATHER/SCATTER) - Use array restructuring. There are 10 issues (= instructions) costing 4 points each.40
[SA] Presence of special instructions executing on a single port (INSERT/EXTRACT, BLEND/MERGE, SHUFFLE/PERM, BROADCAST) - Simplify data access and try to get stride 1 access. There are 13 issues (= instructions) costing 1 point each.13
Vectorization Roadblocks+24
[SA] Presence of indirect accesses - Use array restructuring or gather instructions to lower the cost. There are 6 issues ( = indirect data accesses) costing 4 point each.24
Inefficient Vectorization+55
[SA] Presence of expensive instructions (GATHER/SCATTER) - Use array restructuring. There are 10 issues (= instructions) costing 4 points each.40
[SA] Presence of special instructions executing on a single port (INSERT/EXTRACT, BLEND/MERGE, SHUFFLE/PERM, BROADCAST) - Simplify data access and try to get stride 1 access. There are 13 issues (= instructions) costing 1 point each.13
[SA] Inefficient vectorization: use of masked instructions - Simplify control structure. The issue costs 2 points.2
Loop 123 - exec+Execution Time: 3 % - Vectorization Ratio: 100.00 % - Vector Length Use: 100.00 %
Loop Computation Issues+128
[SA] Presence of expensive FP instructions - Perform hoisting, change algorithm, use SVML or proper numerical library or perform value profiling (count the number of distinct input values). There are 32 issues (= instructions) costing 4 points each.128
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