prefetch-bench-new
AMD Athlon II X2 245 testing with a ASUS M4A78 (2301 BIOS) and ECS AMD Radeon HD 7450 on Debian testing via the Phoronix Test Suite.


with prefetch 2: 

	Processor: AMD Athlon II X2 245 @ 2.90GHz (2 Cores), Motherboard: ASUS M4A78 (2301 BIOS), Chipset: AMD RX780/RX790 + SB7x0/SB8x0/SB9x0, Memory: 4096MB, Disk: 120GB Samsung SSD 850 + 2 x 2000GB Seagate ST2000DL003-9VT1, Graphics: ECS AMD Radeon HD 7450, Audio: Realtek ALC887, Network: Realtek RTL8111/8168/8411

	OS: Debian testing, Kernel: 5.6.0-proper-rmw (x86_64), Compiler: GCC 9.3.0, File-System: ext4

without prefetch: 

	Processor: AMD Athlon II X2 245 @ 2.90GHz (2 Cores), Motherboard: ASUS M4A78 (2301 BIOS), Chipset: AMD RX780/RX790 + SB7x0/SB8x0/SB9x0, Memory: 4096MB, Disk: 120GB Samsung SSD 850 + 2 x 2000GB Seagate ST2000DL003-9VT1, Graphics: ECS AMD Radeon HD 7450, Audio: Realtek ALC887, Network: Realtek RTL8111/8168/8411

	OS: Debian testing, Kernel: 5.6.0-proper-rmw (x86_64), Compiler: GCC 9.3.0, File-System: ext4

with prefetch 4: 

	Processor: AMD Athlon II X2 245 @ 2.90GHz (2 Cores), Motherboard: ASUS M4A78 (2301 BIOS), Chipset: AMD RX780/RX790 + SB7x0/SB8x0/SB9x0, Memory: 4096MB, Disk: 120GB Samsung SSD 850 + 2 x 2000GB Seagate ST2000DL003-9VT1, Graphics: ECS AMD Radeon HD 7450, Audio: Realtek ALC887, Network: Realtek RTL8111/8168/8411

	OS: Debian testing, Kernel: 5.6.0-proper-rmw (x86_64), Compiler: GCC 9.3.0, File-System: ext4


Flexible IO Tester 3.18
Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: /mnt
MB/s > Higher Is Better
with prefetch 2 .. 49.2 |================================================
without prefetch . 44.5 |===========================================
with prefetch 4 .. 55.3 |======================================================


Flexible IO Tester 3.18
Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: /mnt
IOPS > Higher Is Better
with prefetch 2 .. 1571 |================================================
without prefetch . 1422 |===========================================
with prefetch 4 .. 1767 |======================================================


Flexible IO Tester 3.18
Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt
MB/s > Higher Is Better
with prefetch 2 .. 53.1 |=====================================================
without prefetch . 53.9 |======================================================
with prefetch 4 .. 50.4 |==================================================


Flexible IO Tester 3.18
Type: Sequential Read - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt
IOPS > Higher Is Better
with prefetch 2 .. 846 |======================================================
without prefetch . 859 |=======================================================
with prefetch 4 .. 802 |===================================================


Flexible IO Tester 3.18
Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: /mnt
MB/s > Higher Is Better
with prefetch 2 .. 109 |======================================================
without prefetch . 106 |====================================================
with prefetch 4 .. 112 |=======================================================


Flexible IO Tester 3.18
Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 32KB - Disk Target: /mnt
IOPS > Higher Is Better
with prefetch 2 .. 3468 |====================================================
without prefetch . 3381 |===================================================
with prefetch 4 .. 3571 |======================================================


Flexible IO Tester 3.18
Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt
MB/s > Higher Is Better
with prefetch 2 .. 121 |======================================================
without prefetch . 122 |=======================================================
with prefetch 4 .. 123 |=======================================================


Flexible IO Tester 3.18
Type: Sequential Write - Engine: IO_uring - Buffered: No - Direct: Yes - Block Size: 64KB - Disk Target: /mnt
IOPS > Higher Is Better
with prefetch 2 .. 1929 |=====================================================
without prefetch . 1949 |======================================================
with prefetch 4 .. 1963 |======================================================


FS-Mark 3.3
Test: 1000 Files, 1MB Size
Files/s > Higher Is Better
with prefetch 2 .. 12.2 |======================================================
without prefetch . 12.2 |======================================================
with prefetch 4 .. 12.3 |======================================================