Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 210,873
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     213,827
Calibration 2     211,759
Calibration 3     211,892
ssj_ops@calibrated=211,826
100% 99.6% 211,826 210,873
90% 90.0% 190,643 190,596
80% 79.3% 169,460 167,997
70% 70.1% 148,278 148,536
60% 60.5% 127,095 128,185
50% 50.3% 105,913 106,620
40% 40.2% 84,730 85,192
30% 30.0% 63,548 63,453
20% 20.1% 42,365 42,662
10% 9.8% 21,183 20,791
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 15,553,720 1,494
Payment 15,553,716
Order Status 1,555,374
Delivery 1,555,374
Stock Level 1,555,373
Customer Report 15,553,715
Calibration 2 New Order 15,401,743 1,494
Payment 15,401,741
Order Status 1,540,174
Delivery 1,540,174
Stock Level 1,540,175
Customer Report 15,401,744
Calibration 3 New Order 15,411,489 1,494
Payment 15,411,485
Order Status 1,541,148
Delivery 1,541,149
Stock Level 1,541,150
Customer Report 15,411,485
100% 99.6% New Order 15,336,513 1,494
Payment 15,336,507
Order Status 1,533,651
Delivery 1,533,650
Stock Level 1,533,651
Customer Report 15,336,511
90% 90.0% New Order 13,862,046 1,494
Payment 13,862,041
Order Status 1,386,205
Delivery 1,386,205
Stock Level 1,386,203
Customer Report 13,862,043
80% 79.3% New Order 12,218,655 1,494
Payment 12,218,659
Order Status 1,221,866
Delivery 1,221,866
Stock Level 1,221,865
Customer Report 12,218,661
70% 70.1% New Order 10,804,192 1,494
Payment 10,804,189
Order Status 1,080,420
Delivery 1,080,419
Stock Level 1,080,419
Customer Report 10,804,194
60% 60.5% New Order 9,323,107 1,494
Payment 9,323,110
Order Status 932,311
Delivery 932,311
Stock Level 932,312
Customer Report 9,323,108
50% 50.3% New Order 7,754,244 1,494
Payment 7,754,241
Order Status 775,425
Delivery 775,423
Stock Level 775,425
Customer Report 7,754,247
40% 40.2% New Order 6,196,049 1,494
Payment 6,196,050
Order Status 619,605
Delivery 619,604
Stock Level 619,604
Customer Report 6,196,049
30% 30.0% New Order 4,614,805 1,494
Payment 4,614,810
Order Status 461,481
Delivery 461,481
Stock Level 461,480
Customer Report 4,614,806
20% 20.1% New Order 3,102,724 1,494
Payment 3,102,728
Order Status 310,273
Delivery 310,274
Stock Level 310,273
Customer Report 3,102,728
10% 9.8% New Order 1,512,121 1,494
Payment 1,512,123
Order Status 151,213
Delivery 151,213
Stock Level 151,212
Customer Report 1,512,118
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0