Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 198,200
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 18, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     206,905
Calibration 2     200,335
Calibration 3     199,399
ssj_ops@calibrated=199,867
100% 99.2% 199,867 198,200
90% 90.5% 179,880 180,798
80% 79.5% 159,893 158,843
70% 70.2% 139,907 140,266
60% 60.4% 119,920 120,687
50% 50.2% 99,933 100,331
40% 40.2% 79,947 80,353
30% 30.1% 59,960 60,243
20% 19.7% 39,973 39,277
10% 10.2% 19,987 20,291
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Default Thermal Profile Settings
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 15,050,175 1,494
Payment 15,050,178
Order Status 1,505,018
Delivery 1,505,017
Stock Level 1,505,018
Customer Report 15,050,174
Calibration 2 New Order 14,570,617 1,494
Payment 14,570,619
Order Status 1,457,062
Delivery 1,457,062
Stock Level 1,457,062
Customer Report 14,570,617
Calibration 3 New Order 14,502,522 1,494
Payment 14,502,523
Order Status 1,450,252
Delivery 1,450,253
Stock Level 1,450,252
Customer Report 14,502,522
100% 99.2% New Order 14,416,277 1,494
Payment 14,416,273
Order Status 1,441,627
Delivery 1,441,627
Stock Level 1,441,627
Customer Report 14,416,273
90% 90.5% New Order 13,149,181 1,494
Payment 13,149,183
Order Status 1,314,919
Delivery 1,314,919
Stock Level 1,314,919
Customer Report 13,149,181
80% 79.5% New Order 11,552,983 1,494
Payment 11,552,994
Order Status 1,155,299
Delivery 1,155,300
Stock Level 1,155,300
Customer Report 11,552,989
70% 70.2% New Order 10,201,272 1,494
Payment 10,201,279
Order Status 1,020,127
Delivery 1,020,128
Stock Level 1,020,128
Customer Report 10,201,275
60% 60.4% New Order 8,778,007 1,494
Payment 8,778,010
Order Status 877,801
Delivery 877,802
Stock Level 877,801
Customer Report 8,778,007
50% 50.2% New Order 7,296,986 1,494
Payment 7,296,988
Order Status 729,699
Delivery 729,699
Stock Level 729,699
Customer Report 7,296,985
40% 40.2% New Order 5,843,926 1,494
Payment 5,843,926
Order Status 584,391
Delivery 584,392
Stock Level 584,392
Customer Report 5,843,921
30% 30.1% New Order 4,381,326 1,494
Payment 4,381,329
Order Status 438,133
Delivery 438,132
Stock Level 438,133
Customer Report 4,381,327
20% 19.7% New Order 2,856,493 1,494
Payment 2,856,499
Order Status 285,649
Delivery 285,651
Stock Level 285,649
Customer Report 2,856,498
10% 10.2% New Order 1,475,693 1,494
Payment 1,475,696
Order Status 147,571
Delivery 147,568
Stock Level 147,570
Customer Report 1,475,690
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0