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     206,123
Calibration 2     199,789
Calibration 3     198,651
ssj_ops@calibrated=199,220
100% 99.5% 199,220 198,200
90% 89.9% 179,298 179,023
80% 79.8% 159,376 158,900
70% 69.0% 139,454 137,417
60% 59.6% 119,532 118,832
50% 50.0% 99,610 99,668
40% 39.7% 79,688 79,160
30% 29.8% 59,766 59,386
20% 19.8% 39,844 39,417
10% 9.9% 19,922 19,659
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 14,991,663 1,494
Payment 14,991,664
Order Status 1,499,168
Delivery 1,499,167
Stock Level 1,499,168
Customer Report 14,991,665
Calibration 2 New Order 14,531,086 1,494
Payment 14,531,089
Order Status 1,453,110
Delivery 1,453,109
Stock Level 1,453,109
Customer Report 14,531,089
Calibration 3 New Order 14,448,369 1,494
Payment 14,448,373
Order Status 1,444,837
Delivery 1,444,837
Stock Level 1,444,837
Customer Report 14,448,369
100% 99.5% New Order 14,415,846 1,494
Payment 14,415,842
Order Status 1,441,584
Delivery 1,441,585
Stock Level 1,441,584
Customer Report 14,415,843
90% 89.9% New Order 13,021,581 1,494
Payment 13,021,584
Order Status 1,302,159
Delivery 1,302,158
Stock Level 1,302,157
Customer Report 13,021,582
80% 79.8% New Order 11,556,375 1,494
Payment 11,556,380
Order Status 1,155,637
Delivery 1,155,637
Stock Level 1,155,638
Customer Report 11,556,384
70% 69.0% New Order 9,995,119 1,494
Payment 9,995,117
Order Status 999,512
Delivery 999,511
Stock Level 999,512
Customer Report 9,995,119
60% 59.6% New Order 8,642,727 1,494
Payment 8,642,729
Order Status 864,272
Delivery 864,273
Stock Level 864,273
Customer Report 8,642,727
50% 50.0% New Order 7,249,000 1,494
Payment 7,249,002
Order Status 724,899
Delivery 724,901
Stock Level 724,901
Customer Report 7,249,001
40% 39.7% New Order 5,757,089 1,494
Payment 5,757,098
Order Status 575,708
Delivery 575,708
Stock Level 575,708
Customer Report 5,757,091
30% 29.8% New Order 4,319,036 1,494
Payment 4,319,036
Order Status 431,905
Delivery 431,904
Stock Level 431,904
Customer Report 4,319,037
20% 19.8% New Order 2,866,813 1,494
Payment 2,866,812
Order Status 286,681
Delivery 286,682
Stock Level 286,681
Customer Report 2,866,812
10% 9.9% New Order 1,429,880 1,494
Payment 1,429,879
Order Status 142,988
Delivery 142,988
Stock Level 142,987
Customer Report 1,429,876
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0