Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 188,398
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     202,251
Calibration 2     190,787
Calibration 3     189,659
ssj_ops@calibrated=190,223
100% 99.0% 190,223 188,398
90% 89.3% 171,201 169,860
80% 80.0% 152,178 152,271
70% 69.9% 133,156 133,018
60% 60.2% 114,134 114,539
50% 50.3% 95,111 95,630
40% 40.2% 76,089 76,432
30% 30.3% 57,067 57,632
20% 20.2% 38,045 38,390
10% 10.0% 19,022 18,941
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 14,712,736 1,494
Payment 14,712,741
Order Status 1,471,274
Delivery 1,471,273
Stock Level 1,471,273
Customer Report 14,712,739
Calibration 2 New Order 13,876,514 1,494
Payment 13,876,511
Order Status 1,387,651
Delivery 1,387,651
Stock Level 1,387,650
Customer Report 13,876,512
Calibration 3 New Order 13,793,843 1,494
Payment 13,793,845
Order Status 1,379,384
Delivery 1,379,384
Stock Level 1,379,384
Customer Report 13,793,836
100% 99.0% New Order 13,701,706 1,494
Payment 13,701,701
Order Status 1,370,170
Delivery 1,370,170
Stock Level 1,370,170
Customer Report 13,701,708
90% 89.3% New Order 12,353,541 1,494
Payment 12,353,542
Order Status 1,235,354
Delivery 1,235,354
Stock Level 1,235,354
Customer Report 12,353,541
80% 80.0% New Order 11,074,662 1,494
Payment 11,074,661
Order Status 1,107,466
Delivery 1,107,467
Stock Level 1,107,467
Customer Report 11,074,660
70% 69.9% New Order 9,674,341 1,494
Payment 9,674,341
Order Status 967,433
Delivery 967,433
Stock Level 967,434
Customer Report 9,674,340
60% 60.2% New Order 8,330,997 1,494
Payment 8,330,999
Order Status 833,100
Delivery 833,100
Stock Level 833,099
Customer Report 8,330,991
50% 50.3% New Order 6,955,241 1,494
Payment 6,955,242
Order Status 695,524
Delivery 695,523
Stock Level 695,524
Customer Report 6,955,232
40% 40.2% New Order 5,558,752 1,494
Payment 5,558,751
Order Status 555,875
Delivery 555,876
Stock Level 555,875
Customer Report 5,558,753
30% 30.3% New Order 4,191,516 1,494
Payment 4,191,516
Order Status 419,151
Delivery 419,152
Stock Level 419,152
Customer Report 4,191,516
20% 20.2% New Order 2,792,090 1,494
Payment 2,792,092
Order Status 279,211
Delivery 279,209
Stock Level 279,208
Customer Report 2,792,093
10% 10.0% New Order 1,377,578 1,494
Payment 1,377,575
Order Status 137,758
Delivery 137,757
Stock Level 137,758
Customer Report 1,377,574
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0