Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,423
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     204,525
Calibration 2     193,829
Calibration 3     192,600
ssj_ops@calibrated=193,214
100% 99.1% 193,214 191,423
90% 90.2% 173,893 174,317
80% 80.1% 154,571 154,719
70% 70.0% 135,250 135,266
60% 59.9% 115,929 115,738
50% 50.1% 96,607 96,834
40% 39.8% 77,286 76,919
30% 30.2% 57,964 58,311
20% 20.2% 38,643 38,968
10% 9.8% 19,321 18,987
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 14,876,914 1,494
Payment 14,876,914
Order Status 1,487,692
Delivery 1,487,692
Stock Level 1,487,691
Customer Report 14,876,918
Calibration 2 New Order 14,097,581 1,494
Payment 14,097,581
Order Status 1,409,758
Delivery 1,409,756
Stock Level 1,409,758
Customer Report 14,097,574
Calibration 3 New Order 14,008,613 1,494
Payment 14,008,611
Order Status 1,400,861
Delivery 1,400,861
Stock Level 1,400,861
Customer Report 14,008,614
100% 99.1% New Order 13,923,258 1,494
Payment 13,923,260
Order Status 1,392,327
Delivery 1,392,326
Stock Level 1,392,325
Customer Report 13,923,259
90% 90.2% New Order 12,677,602 1,494
Payment 12,677,605
Order Status 1,267,760
Delivery 1,267,760
Stock Level 1,267,761
Customer Report 12,677,601
80% 80.1% New Order 11,252,741 1,494
Payment 11,252,734
Order Status 1,125,273
Delivery 1,125,273
Stock Level 1,125,272
Customer Report 11,252,730
70% 70.0% New Order 9,837,974 1,494
Payment 9,837,971
Order Status 983,798
Delivery 983,798
Stock Level 983,798
Customer Report 9,837,973
60% 59.9% New Order 8,417,306 1,494
Payment 8,417,311
Order Status 841,730
Delivery 841,731
Stock Level 841,730
Customer Report 8,417,308
50% 50.1% New Order 7,042,661 1,494
Payment 7,042,657
Order Status 704,266
Delivery 704,266
Stock Level 704,267
Customer Report 7,042,655
40% 39.8% New Order 5,594,145 1,494
Payment 5,594,147
Order Status 559,414
Delivery 559,413
Stock Level 559,414
Customer Report 5,594,150
30% 30.2% New Order 4,240,899 1,494
Payment 4,240,894
Order Status 424,090
Delivery 424,090
Stock Level 424,091
Customer Report 4,240,894
20% 20.2% New Order 2,834,150 1,494
Payment 2,834,152
Order Status 283,415
Delivery 283,415
Stock Level 283,415
Customer Report 2,834,147
10% 9.8% New Order 1,381,040 1,494
Payment 1,381,041
Order Status 138,105
Delivery 138,104
Stock Level 138,104
Customer Report 1,381,040
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0