Home License -- for personal use only. Not for government, academic, research, commercial, or other organizational use. 07-Oct-2025 22:45:02 memory_test(): MATLAB/Octave version 9.11.0.2358333 (R2021b) Update 7 Try to see how big vectors and matrices can be. Using default value of N_LOG_MIN = 0 Using default value of N_LOG_MAX = 25 I4VEC Memory Test Log2(N) N Ave CPU Real 0 1 2.00 0.000000e+00 2.081000e-03 1 2 1.00 1.000000e-02 5.430000e-04 2 4 1.00 0.000000e+00 4.300000e-05 3 8 1.50 0.000000e+00 3.900000e-05 4 16 1.19 0.000000e+00 6.020000e-04 5 32 0.97 0.000000e+00 1.300000e-05 6 64 1.03 0.000000e+00 9.000000e-06 7 128 0.92 0.000000e+00 1.200000e-05 8 256 0.97 0.000000e+00 3.200000e-05 9 512 0.94 0.000000e+00 3.300000e-05 10 1024 1.02 0.000000e+00 3.100000e-05 11 2048 1.02 0.000000e+00 4.400000e-05 12 4096 0.99 0.000000e+00 7.700000e-05 13 8192 1.00 0.000000e+00 1.630000e-04 14 16384 1.00 0.000000e+00 2.420000e-04 15 32768 1.00 0.000000e+00 4.830000e-04 16 65536 1.00 0.000000e+00 9.290000e-04 17 131072 1.00 0.000000e+00 1.730000e-03 18 262144 1.00 1.000000e-02 4.009000e-03 19 524288 1.00 2.000000e-02 8.162000e-03 20 1048576 1.00 2.000000e-02 1.629000e-02 21 2097152 1.00 5.000000e-02 3.163600e-02 22 4194304 1.00 1.100000e-01 6.499400e-02 23 8388608 1.00 2.400000e-01 1.321950e-01 24 16777216 1.00 4.500000e-01 2.549390e-01 25 33554432 1.00 8.600000e-01 5.064780e-01 R8VEC Memory Test Log2(N) N Ave CPU Real 0 1 1.06 0.000000e+00 1.270000e-04 1 2 1.44 0.000000e+00 1.990000e-04 2 4 0.91 0.000000e+00 4.000000e-05 3 8 1.22 0.000000e+00 3.800000e-05 4 16 0.97 0.000000e+00 4.090000e-04 5 32 1.06 0.000000e+00 1.400000e-05 6 64 1.05 0.000000e+00 8.000000e-06 7 128 0.95 0.000000e+00 9.000000e-06 8 256 1.03 0.000000e+00 1.000000e-05 9 512 0.99 0.000000e+00 1.200000e-05 10 1024 1.01 0.000000e+00 1.500000e-05 11 2048 1.01 0.000000e+00 2.200000e-05 12 4096 1.00 0.000000e+00 4.100000e-05 13 8192 1.00 0.000000e+00 8.300000e-05 14 16384 1.01 0.000000e+00 1.390000e-04 15 32768 1.00 1.000000e-02 2.830000e-04 16 65536 1.00 0.000000e+00 5.370000e-04 17 131072 1.00 0.000000e+00 1.060000e-03 18 262144 1.00 1.000000e-02 2.258000e-03 19 524288 1.00 0.000000e+00 4.901000e-03 20 1048576 1.00 2.000000e-02 9.546000e-03 21 2097152 1.00 3.000000e-02 2.000300e-02 22 4194304 1.00 7.000000e-02 5.628400e-02 23 8388608 1.00 1.300000e-01 1.060110e-01 24 16777216 1.00 2.800000e-01 2.116870e-01 25 33554432 1.00 5.500000e-01 4.304540e-01 I4MAT Memory Test Log2(N) N N1 N2 Ave CPU Real 0 1 1 1 2.00 0.000000e+00 1.950000e-04 1 2 1 2 0.50 0.000000e+00 4.700000e-04 2 4 2 2 1.00 0.000000e+00 4.240000e-04 3 8 2 4 0.88 0.000000e+00 5.100000e-05 4 16 4 4 1.12 0.000000e+00 6.830000e-04 5 32 4 8 0.91 0.000000e+00 1.700000e-05 6 64 8 8 1.05 0.000000e+00 1.200000e-05 7 128 8 16 0.98 0.000000e+00 1.300000e-05 8 256 16 16 0.92 0.000000e+00 2.900000e-05 9 512 16 32 1.04 0.000000e+00 2.300000e-05 10 1024 32 32 1.01 0.000000e+00 2.500000e-05 11 2048 32 64 0.99 0.000000e+00 3.600000e-05 12 4096 64 64 0.99 0.000000e+00 5.700000e-05 13 8192 64 128 1.00 0.000000e+00 1.210000e-04 14 16384 128 128 1.00 1.000000e-02 2.350000e-04 15 32768 128 256 1.01 0.000000e+00 4.050000e-04 16 65536 256 256 1.00 0.000000e+00 7.520000e-04 17 131072 256 512 1.00 0.000000e+00 1.439000e-03 18 262144 512 512 1.00 1.000000e-02 2.800000e-03 19 524288 512 1024 1.00 1.000000e-02 5.736000e-03 20 1048576 1024 1024 1.00 2.000000e-02 1.112100e-02 21 2097152 1024 2048 1.00 4.000000e-02 2.272100e-02 22 4194304 2048 2048 1.00 9.000000e-02 6.103100e-02 23 8388608 2048 4096 1.00 2.100000e-01 1.252310e-01 24 16777216 4096 4096 1.00 4.200000e-01 2.534690e-01 25 33554432 4096 8192 1.00 8.500000e-01 5.103120e-01 R8MAT Memory Test Log2(N) N N1 N2 Ave CPU Real 0 1 1 1 0.82 0.000000e+00 1.220000e-04 1 2 1 2 0.83 0.000000e+00 2.040000e-04 2 4 2 2 1.03 0.000000e+00 1.500000e-04 3 8 2 4 0.84 0.000000e+00 4.900000e-05 4 16 4 4 0.96 0.000000e+00 4.850000e-04 5 32 4 8 1.12 0.000000e+00 1.500000e-05 6 64 8 8 1.17 0.000000e+00 1.100000e-05 7 128 8 16 1.00 0.000000e+00 1.200000e-05 8 256 16 16 0.99 0.000000e+00 1.800000e-05 9 512 16 32 1.03 0.000000e+00 1.600000e-05 10 1024 32 32 0.98 0.000000e+00 1.900000e-05 11 2048 32 64 0.99 0.000000e+00 2.700000e-05 12 4096 64 64 1.01 0.000000e+00 4.300000e-05 13 8192 64 128 1.00 0.000000e+00 8.900000e-05 14 16384 128 128 1.00 1.000000e-02 1.540000e-04 15 32768 128 256 1.00 0.000000e+00 2.810000e-04 16 65536 256 256 1.00 0.000000e+00 5.490000e-04 17 131072 256 512 1.00 0.000000e+00 1.169000e-03 18 262144 512 512 1.00 0.000000e+00 2.292000e-03 19 524288 512 1024 1.00 1.000000e-02 4.950000e-03 20 1048576 1024 1024 1.00 1.000000e-02 9.411000e-03 21 2097152 1024 2048 1.00 3.000000e-02 1.993900e-02 22 4194304 2048 2048 1.00 7.000000e-02 5.627500e-02 23 8388608 2048 4096 1.00 1.400000e-01 1.069660e-01 24 16777216 4096 4096 1.00 2.700000e-01 2.147480e-01 25 33554432 4096 8192 1.00 5.400000e-01 4.321120e-01 memory_test(): Normal end of execution. 07-Oct-2025 22:45:06