Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 207,079
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     209,350
Calibration 2     207,931
Calibration 3     207,559
ssj_ops@calibrated=207,745
100% 99.7% 207,745 207,079
90% 89.3% 186,970 185,579
80% 80.1% 166,196 166,490
70% 69.3% 145,421 144,021
60% 59.0% 124,647 122,558
50% 49.9% 103,872 103,745
40% 40.1% 83,098 83,347
30% 30.0% 62,323 62,266
20% 20.2% 41,549 42,041
10% 10.1% 20,774 20,945
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 15,228,235 1,494
Payment 15,228,233
Order Status 1,522,824
Delivery 1,522,824
Stock Level 1,522,824
Customer Report 15,228,234
Calibration 2 New Order 15,122,960 1,494
Payment 15,122,963
Order Status 1,512,296
Delivery 1,512,298
Stock Level 1,512,297
Customer Report 15,122,960
Calibration 3 New Order 15,095,682 1,494
Payment 15,095,686
Order Status 1,509,568
Delivery 1,509,568
Stock Level 1,509,569
Customer Report 15,095,683
100% 99.7% New Order 15,062,260 1,494
Payment 15,062,262
Order Status 1,506,227
Delivery 1,506,226
Stock Level 1,506,226
Customer Report 15,062,259
90% 89.3% New Order 13,497,269 1,494
Payment 13,497,273
Order Status 1,349,728
Delivery 1,349,728
Stock Level 1,349,727
Customer Report 13,497,274
80% 80.1% New Order 12,109,393 1,494
Payment 12,109,386
Order Status 1,210,938
Delivery 1,210,939
Stock Level 1,210,939
Customer Report 12,109,389
70% 69.3% New Order 10,474,695 1,494
Payment 10,474,693
Order Status 1,047,468
Delivery 1,047,471
Stock Level 1,047,469
Customer Report 10,474,692
60% 59.0% New Order 8,913,445 1,494
Payment 8,913,440
Order Status 891,345
Delivery 891,344
Stock Level 891,345
Customer Report 8,913,450
50% 49.9% New Order 7,545,109 1,494
Payment 7,545,109
Order Status 754,512
Delivery 754,512
Stock Level 754,511
Customer Report 7,545,115
40% 40.1% New Order 6,061,766 1,494
Payment 6,061,761
Order Status 606,176
Delivery 606,177
Stock Level 606,177
Customer Report 6,061,755
30% 30.0% New Order 4,528,634 1,494
Payment 4,528,635
Order Status 452,862
Delivery 452,864
Stock Level 452,864
Customer Report 4,528,630
20% 20.2% New Order 3,057,573 1,494
Payment 3,057,574
Order Status 305,759
Delivery 305,758
Stock Level 305,758
Customer Report 3,057,579
10% 10.1% New Order 1,523,330 1,494
Payment 1,523,334
Order Status 152,333
Delivery 152,334
Stock Level 152,335
Customer Report 1,523,334
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0