Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 210,055
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     211,412
Calibration 2     209,951
Calibration 3     209,901
ssj_ops@calibrated=209,926
100% 100.1% 209,926 210,055
90% 90.0% 188,933 188,850
80% 80.2% 167,941 168,278
70% 70.3% 146,948 147,527
60% 59.9% 125,956 125,648
50% 50.6% 104,963 106,302
40% 39.8% 83,970 83,552
30% 29.8% 62,978 62,491
20% 20.2% 41,985 42,328
10% 10.2% 20,993 21,384
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 15,379,171 1,494
Payment 15,379,171
Order Status 1,537,917
Delivery 1,537,916
Stock Level 1,537,918
Customer Report 15,379,166
Calibration 2 New Order 15,270,968 1,494
Payment 15,270,968
Order Status 1,527,096
Delivery 1,527,096
Stock Level 1,527,097
Customer Report 15,270,961
Calibration 3 New Order 15,267,048 1,494
Payment 15,267,049
Order Status 1,526,706
Delivery 1,526,704
Stock Level 1,526,705
Customer Report 15,267,052
100% 100.1% New Order 15,277,931 1,494
Payment 15,277,933
Order Status 1,527,793
Delivery 1,527,792
Stock Level 1,527,794
Customer Report 15,277,931
90% 90.0% New Order 13,734,794 1,494
Payment 13,734,794
Order Status 1,373,481
Delivery 1,373,478
Stock Level 1,373,480
Customer Report 13,734,796
80% 80.2% New Order 12,239,126 1,494
Payment 12,239,127
Order Status 1,223,912
Delivery 1,223,913
Stock Level 1,223,912
Customer Report 12,239,126
70% 70.3% New Order 10,730,499 1,494
Payment 10,730,492
Order Status 1,073,049
Delivery 1,073,050
Stock Level 1,073,050
Customer Report 10,730,494
60% 59.9% New Order 9,138,417 1,494
Payment 9,138,417
Order Status 913,843
Delivery 913,842
Stock Level 913,841
Customer Report 9,138,412
50% 50.6% New Order 7,731,543 1,494
Payment 7,731,543
Order Status 773,154
Delivery 773,155
Stock Level 773,154
Customer Report 7,731,546
40% 39.8% New Order 6,076,509 1,494
Payment 6,076,506
Order Status 607,651
Delivery 607,649
Stock Level 607,651
Customer Report 6,076,504
30% 29.8% New Order 4,544,938 1,494
Payment 4,544,938
Order Status 454,494
Delivery 454,496
Stock Level 454,494
Customer Report 4,544,939
20% 20.2% New Order 3,078,443 1,494
Payment 3,078,444
Order Status 307,845
Delivery 307,845
Stock Level 307,845
Customer Report 3,078,446
10% 10.2% New Order 1,555,203 1,494
Payment 1,555,202
Order Status 155,521
Delivery 155,522
Stock Level 155,520
Customer Report 1,555,208
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0