This CvxCompress was originally authored by Thor Johnsen.
It is believed that this will work with a wide variety of gcc versions, but as I am writing this I have only tested it with gcc 7.30 and gcc 9.3.0.
There are several tests included, some of which depends on binary cubes of input need to exist at some absolute path which is no longer present. Thus, here I describe only the ones that require no input file.
Prompt> ( setenv LD_LIBRARY_PATH ${LD_LIBRARY_PATH}:${cwd} ; ./CvxCompress_Test )
*
* CvxCompress module tests (ICC1900, AVX).
*
2. Verify correctness of forward wavelet transform...[Passed]
3. Verify correctness of inverse wavelet transform...[Passed]
4. Test throughput of wavelet transform (forward + inverse)...
-> 8 x 8 x 8 ( L1 ) :: 4.770 secs - 3602 MCells/s - 435 GF/s
-> 16 x 16 x 16 ( L1 ) :: 4.629 secs - 3711 MCells/s - 480 GF/s
-> 32 x 32 x 32 ( L2 ) :: 6.371 secs - 2697 MCells/s - 361 GF/s
-> 64 x 64 x 64 ( L3 ) :: 7.438 secs - 2310 MCells/s - 314 GF/s
-> 128 x 128 x 128 (DRAM) :: 11.056 secs - 1557 MCells/s - 213 GF/s
-> 256 x 256 x 256 (DRAM) :: 18.059 secs - 965 MCells/s - 133 GF/s
5. Verify correctness of Copy_To_Block method...[Passed!]
6. Verify correctness of Copy_From_Block method...[Passed!]
7. Test throughput of block copy...
-> 8 x 8 x 8 [Passed!] :: 0.413 secs - 2603 MCells/s - 31.23 GB/s
-> 16 x 16 x 16 [Passed!] :: 0.438 secs - 2454 MCells/s - 29.44 GB/s
-> 32 x 32 x 32 [Passed!] :: 0.605 secs - 1775 MCells/s - 21.30 GB/s
-> 64 x 64 x 64 [Passed!] :: 0.517 secs - 2077 MCells/s - 24.92 GB/s
-> 128 x 128 x 128 [Passed!] :: 0.608 secs - 1767 MCells/s - 21.20 GB/s
-> 256 x 256 x 256 [Passed!] :: 0.694 secs - 1547 MCells/s - 18.56 GB/s
8. Verify correctness of Global_RMS method...[Passed!]
9. Test throughput of Compress() method...
nx=1604, ny=1606, nz=968
-> 8 x 8 x 8 ( L1 ) 9 iterations - 11.024 secs - 2036 MCells/s - ratio 29.03:1
-> 16 x 16 x 16 ( L1 ) 12 iterations - 10.419 secs - 2872 MCells/s - ratio 51.37:1
-> 32 x 32 x 32 ( L2 ) 10 iterations - 10.356 secs - 2408 MCells/s - ratio 73.40:1
-> 64 x 64 x 64 ( L3 ) 10 iterations - 10.654 secs - 2341 MCells/s - ratio 93.21:1
-> 128 x 128 x 128 (DRAM) 7 iterations - 10.751 secs - 1624 MCells/s - ratio 105.98:1
10. Test throughput of Decompress() method...
-> 8 x 8 x 8 ( L1 ) 7 iterations - 10.321 secs - 1691 MCells/s
-> 16 x 16 x 16 ( L1 ) 10 iterations - 10.283 secs - 2425 MCells/s
-> 32 x 32 x 32 ( L2 ) 8 iterations - 11.327 secs - 1761 MCells/s
-> 64 x 64 x 64 ( L3 ) 8 iterations - 10.695 secs - 1865 MCells/s
Prompt> ( setenv LD_LIBRARY_PATH ${LD_LIBRARY_PATH}:$cwd ; ./Test_With_Generated_Input )
Using global RMS.
Using size of input (nslow, middle, fast) = ( 320, 416, 352 )
Starting compression test
RMS:
input : 0.707107
output: 0.707080
Difference: 0.000118
compression ratio (return value) = 1048.35:1, compression throughput = 1282 MC/s, decompression throughput = 1207 MC/s, error = 1.663531e-04, SNR = 75.6 dB
Total compression and decompression times were 0.08 seconds
Total compression ratio (based on compress_length) was 1048.35:1, compressed length in bytes = 178789
Using size of input (nslow, middle, fast) = ( 640, 832, 704 )
Starting compression test
RMS:
input : 0.707107
output: 0.707080
Difference: 0.000118
compression ratio (return value) = 1048.55:1, compression throughput = 1838 MC/s, decompression throughput = 1619 MC/s, error = 1.663531e-04, SNR = 75.6 dB
Total compression and decompression times were 0.44 seconds
Total compression ratio (based on compress_length) was 1048.55:1, compressed length in bytes = 1430039
Using size of input (nslow, middle, fast) = ( 960, 1248, 1056 )
Starting compression test
RMS:
input : 0.707107
output: 0.707080
Difference: 0.000118
compression ratio (return value) = 1048.57:1, compression throughput = 2217 MC/s, decompression throughput = 1708 MC/s, error = 1.663531e-04, SNR = 75.6 dB