haldi Posted November 6, 2023 Share #26 Posted November 6, 2023 root@NAS:/# 7zz b -mmt3 -md26 7-Zip (z) 23.01 (x64) : Copyright (c) 1999-2023 Igor Pavlov : 2023-06-20 64-bit locale=en_US.utf8 Threads:8 OPEN_MAX:1024, ASM mt3 d26 Compiler: Alpine Clang 14.0.6 GCC 4.2.1 CLANG 14.0: SSE2 Linux : 4.4.302+ : #64561 SMP Fri May 19 01:38:13 CST 2023 : x86_64 PageSize:4KB hwcap:BFEBFBFF Intel(R) Xeon(R) CPU E31265L @ 2.40GHz (206A7) 1T CPU Freq (MHz): 2681 2790 2616 2680 2978 3003 2929 3T CPU Freq (MHz): 298% 2560 301% 2481 RAM size: 7845 MB, # CPU hardware threads: 8 RAM usage: 814 MB, # Benchmark threads: 3 Compressing | Decompressing Dict Speed Usage R/U Rating | Speed Usage R/U Rating KiB/s % MIPS MIPS | KiB/s % MIPS MIPS 22: 13173 334 3836 12815 | 160011 393 3473 13651 23: 12427 344 3681 12662 | 159329 392 3519 13787 24: 11982 350 3684 12884 | 148497 380 3427 13032 25: 11432 354 3686 13053 | 154815 393 3510 13778 26: 10334 389 3237 12593 | 146145 386 3418 13183 ---------------------------------- | ------------------------------ Avr: 11869 354 3625 12801 | 153759 389 3469 13486 Tot: 371 3547 13144 root@NAS:/# and you were right about 4 threads not doing any speed increase... only was more RAM usage. 1T CPU Freq (MHz): 3010 2986 3134 2876 2711 2836 3063 4T CPU Freq (MHz): 398% 2468 399% 2469 RAM size: 7845 MB, # CPU hardware threads: 8 RAM usage: 1629 MB, # Benchmark threads: 4 Compressing | Decompressing Dict Speed Usage R/U Rating | Speed Usage R/U Rating KiB/s % MIPS MIPS | KiB/s % MIPS MIPS 22: 12439 337 3587 12101 | 164498 395 3551 14034 23: 11830 342 3520 12054 | 160034 396 3497 13848 24: 11651 351 3569 12528 | 155246 388 3513 13624 25: 11739 364 3684 13404 | 147441 377 3485 13122 26: 10433 388 3275 12714 | 152418 395 3483 13749 ---------------------------------- | ------------------------------ Avr: 11619 357 3527 12560 | 155927 390 3506 13675 Tot: 373 3516 13118 Using all 8 threads does increase the speed by about 50%... but again RAM usage explodes 1T CPU Freq (MHz): 3148 2932 3103 3028 2888 2914 3007 4T CPU Freq (MHz): 397% 2464 399% 2466 RAM size: 7845 MB, # CPU hardware threads: 8 RAM usage: 3259 MB, # Benchmark threads: 8 Compressing | Decompressing Dict Speed Usage R/U Rating | Speed Usage R/U Rating KiB/s % MIPS MIPS | KiB/s % MIPS MIPS 22: 16395 591 2696 15949 | 212858 744 2441 18151 23: 15557 601 2637 15851 | 201973 704 2483 17471 24: 16036 637 2706 17243 | 204872 727 2473 17976 25: 15186 635 2731 17339 | 199023 716 2473 17709 26: 13582 685 2416 16551 | 194639 709 2476 17552 ---------------------------------- | ------------------------------ Avr: 15351 630 2637 16587 | 202673 720 2469 17772 Tot: 675 2553 17179 Quote Link to comment Share on other sites More sharing options...
DSfuchs Posted November 8, 2023 Author Share #27 Posted November 8, 2023 On 11/6/2023 at 2:08 PM, haldi said: root@NAS:/# 7zz b -mmt3 -md26 7-Zip (z) 23.01 (x64) : Copyright (c) 1999-2023 Igor Pavlov : 2023-06-20 64-bit locale=en_US.utf8 Threads:8 OPEN_MAX:1024, ASM mt3 d26 Compiler: Alpine Clang 14.0.6 GCC 4.2.1 CLANG 14.0: SSE2 Linux : 4.4.302+ : #64561 SMP Fri May 19 01:38:13 CST 2023 : x86_64 PageSize:4KB hwcap:BFEBFBFF Intel(R) Xeon(R) CPU E31265L @ 2.40GHz (206A7) 1T CPU Freq (MHz): 2681 2790 2616 2680 2978 3003 2929 3T CPU Freq (MHz): 298% 2560 301% 2481 RAM size: 7845 MB, # CPU hardware threads: 8 RAM usage: 814 MB, # Benchmark threads: 3 Compressing | Decompressing Dict Speed Usage R/U Rating | Speed Usage R/U Rating KiB/s % MIPS MIPS | KiB/s % MIPS MIPS 22: 13173 334 3836 12815 | 160011 393 3473 13651 23: 12427 344 3681 12662 | 159329 392 3519 13787 24: 11982 350 3684 12884 | 148497 380 3427 13032 25: 11432 354 3686 13053 | 154815 393 3510 13778 26: 10334 389 3237 12593 | 146145 386 3418 13183 ---------------------------------- | ------------------------------ Avr: 11869 354 3625 12801 | 153759 389 3469 13486 Tot: 371 3547 13144 root@NAS:/# and you were right about 4 threads not doing any speed increase... only was more RAM usage. 1T CPU Freq (MHz): 3010 2986 3134 2876 2711 2836 3063 4T CPU Freq (MHz): 398% 2468 399% 2469 RAM size: 7845 MB, # CPU hardware threads: 8 RAM usage: 1629 MB, # Benchmark threads: 4 Compressing | Decompressing Dict Speed Usage R/U Rating | Speed Usage R/U Rating KiB/s % MIPS MIPS | KiB/s % MIPS MIPS 22: 12439 337 3587 12101 | 164498 395 3551 14034 23: 11830 342 3520 12054 | 160034 396 3497 13848 24: 11651 351 3569 12528 | 155246 388 3513 13624 25: 11739 364 3684 13404 | 147441 377 3485 13122 26: 10433 388 3275 12714 | 152418 395 3483 13749 ---------------------------------- | ------------------------------ Avr: 11619 357 3527 12560 | 155927 390 3506 13675 Tot: 373 3516 13118 Using all 8 threads does increase the speed by about 50%... but again RAM usage explodes 1T CPU Freq (MHz): 3148 2932 3103 3028 2888 2914 3007 4T CPU Freq (MHz): 397% 2464 399% 2466 RAM size: 7845 MB, # CPU hardware threads: 8 RAM usage: 3259 MB, # Benchmark threads: 8 Compressing | Decompressing Dict Speed Usage R/U Rating | Speed Usage R/U Rating KiB/s % MIPS MIPS | KiB/s % MIPS MIPS 22: 16395 591 2696 15949 | 212858 744 2441 18151 23: 15557 601 2637 15851 | 201973 704 2483 17471 24: 16036 637 2706 17243 | 204872 727 2473 17976 25: 15186 635 2731 17339 | 199023 716 2473 17709 26: 13582 685 2416 16551 | 194639 709 2476 17552 ---------------------------------- | ------------------------------ Avr: 15351 630 2637 16587 | 202673 720 2469 17772 Tot: 675 2553 17179 Everything looks fine with this “Ivy Bridge” CPU Quote Link to comment Share on other sites More sharing options...
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