Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 207,135
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     209,963
Calibration 2     207,727
Calibration 3     208,388
ssj_ops@calibrated=208,057
100% 99.6% 208,057 207,135
90% 89.6% 187,252 186,413
80% 80.6% 166,446 167,762
70% 69.9% 145,640 145,515
60% 60.1% 124,834 125,064
50% 50.6% 104,029 105,342
40% 39.8% 83,223 82,704
30% 30.3% 62,417 63,119
20% 20.0% 41,611 41,520
10% 9.9% 20,806 20,612
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 15,272,068 1,494
Payment 15,272,062
Order Status 1,527,206
Delivery 1,527,206
Stock Level 1,527,206
Customer Report 15,272,063
Calibration 2 New Order 15,108,568 1,494
Payment 15,108,571
Order Status 1,510,856
Delivery 1,510,856
Stock Level 1,510,857
Customer Report 15,108,564
Calibration 3 New Order 15,156,266 1,494
Payment 15,156,266
Order Status 1,515,626
Delivery 1,515,626
Stock Level 1,515,627
Customer Report 15,156,267
100% 99.6% New Order 15,065,589 1,494
Payment 15,065,586
Order Status 1,506,559
Delivery 1,506,558
Stock Level 1,506,559
Customer Report 15,065,590
90% 89.6% New Order 13,559,051 1,494
Payment 13,559,051
Order Status 1,355,904
Delivery 1,355,906
Stock Level 1,355,905
Customer Report 13,559,052
80% 80.6% New Order 12,200,893 1,494
Payment 12,200,891
Order Status 1,220,089
Delivery 1,220,089
Stock Level 1,220,089
Customer Report 12,200,891
70% 69.9% New Order 10,582,993 1,494
Payment 10,582,993
Order Status 1,058,299
Delivery 1,058,301
Stock Level 1,058,299
Customer Report 10,582,994
60% 60.1% New Order 9,095,686 1,494
Payment 9,095,687
Order Status 909,568
Delivery 909,568
Stock Level 909,568
Customer Report 9,095,686
50% 50.6% New Order 7,661,251 1,494
Payment 7,661,249
Order Status 766,125
Delivery 766,124
Stock Level 766,124
Customer Report 7,661,251
40% 39.8% New Order 6,015,324 1,494
Payment 6,015,322
Order Status 601,531
Delivery 601,530
Stock Level 601,533
Customer Report 6,015,326
30% 30.3% New Order 4,590,607 1,494
Payment 4,590,609
Order Status 459,060
Delivery 459,061
Stock Level 459,060
Customer Report 4,590,603
20% 20.0% New Order 3,019,692 1,494
Payment 3,019,701
Order Status 301,969
Delivery 301,971
Stock Level 301,969
Customer Report 3,019,698
10% 9.9% New Order 1,499,093 1,494
Payment 1,499,092
Order Status 149,908
Delivery 149,909
Stock Level 149,909
Customer Report 1,499,089
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0