Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 189,572
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 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     192,691
Calibration 2     189,967
Calibration 3     189,819
ssj_ops@calibrated=189,893
100% 99.8% 189,893 189,572
90% 89.9% 170,904 170,683
80% 79.6% 151,914 151,235
70% 70.2% 132,925 133,333
60% 59.8% 113,936 113,498
50% 49.6% 94,947 94,232
40% 39.7% 75,957 75,307
30% 30.0% 56,968 56,969
20% 20.2% 37,979 38,379
10% 10.0% 18,989 19,043
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
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,016,274 1,494
Payment 14,016,275
Order Status 1,401,629
Delivery 1,401,627
Stock Level 1,401,628
Customer Report 14,016,276
Calibration 2 New Order 13,816,176 1,494
Payment 13,816,177
Order Status 1,381,618
Delivery 1,381,619
Stock Level 1,381,617
Customer Report 13,816,174
Calibration 3 New Order 13,805,507 1,494
Payment 13,805,512
Order Status 1,380,550
Delivery 1,380,551
Stock Level 1,380,549
Customer Report 13,805,502
100% 99.8% New Order 13,789,187 1,494
Payment 13,789,185
Order Status 1,378,919
Delivery 1,378,919
Stock Level 1,378,919
Customer Report 13,789,186
90% 89.9% New Order 12,413,708 1,494
Payment 12,413,713
Order Status 1,241,371
Delivery 1,241,370
Stock Level 1,241,372
Customer Report 12,413,709
80% 79.6% New Order 10,999,810 1,494
Payment 10,999,812
Order Status 1,099,982
Delivery 1,099,980
Stock Level 1,099,981
Customer Report 10,999,812
70% 70.2% New Order 9,697,653 1,494
Payment 9,697,651
Order Status 969,766
Delivery 969,763
Stock Level 969,764
Customer Report 9,697,654
60% 59.8% New Order 8,255,365 1,494
Payment 8,255,363
Order Status 825,537
Delivery 825,537
Stock Level 825,536
Customer Report 8,255,367
50% 49.6% New Order 6,853,332 1,494
Payment 6,853,329
Order Status 685,332
Delivery 685,334
Stock Level 685,334
Customer Report 6,853,334
40% 39.7% New Order 5,476,907 1,494
Payment 5,476,909
Order Status 547,690
Delivery 547,691
Stock Level 547,692
Customer Report 5,476,906
30% 30.0% New Order 4,143,342 1,494
Payment 4,143,339
Order Status 414,333
Delivery 414,333
Stock Level 414,334
Customer Report 4,143,340
20% 20.2% New Order 2,791,242 1,494
Payment 2,791,242
Order Status 279,124
Delivery 279,125
Stock Level 279,126
Customer Report 2,791,243
10% 10.0% New Order 1,384,955 1,494
Payment 1,384,955
Order Status 138,495
Delivery 138,495
Stock Level 138,496
Customer Report 1,384,950
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0