Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 195,912
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     204,600
Calibration 2     196,941
Calibration 3     196,194
ssj_ops@calibrated=196,567
100% 99.7% 196,567 195,912
90% 89.7% 176,911 176,275
80% 80.3% 157,254 157,837
70% 69.6% 137,597 136,880
60% 60.2% 117,940 118,369
50% 49.7% 98,284 97,611
40% 39.6% 78,627 77,756
30% 29.8% 58,970 58,642
20% 20.2% 39,313 39,659
10% 10.0% 19,657 19,746
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 14,882,743 1,494
Payment 14,882,746
Order Status 1,488,275
Delivery 1,488,275
Stock Level 1,488,275
Customer Report 14,882,745
Calibration 2 New Order 14,324,395 1,494
Payment 14,324,395
Order Status 1,432,440
Delivery 1,432,439
Stock Level 1,432,440
Customer Report 14,324,395
Calibration 3 New Order 14,270,344 1,494
Payment 14,270,342
Order Status 1,427,034
Delivery 1,427,035
Stock Level 1,427,035
Customer Report 14,270,341
100% 99.7% New Order 14,248,315 1,494
Payment 14,248,310
Order Status 1,424,832
Delivery 1,424,831
Stock Level 1,424,832
Customer Report 14,248,319
90% 89.7% New Order 12,820,642 1,494
Payment 12,820,639
Order Status 1,282,064
Delivery 1,282,065
Stock Level 1,282,064
Customer Report 12,820,640
80% 80.3% New Order 11,479,087 1,494
Payment 11,479,094
Order Status 1,147,909
Delivery 1,147,910
Stock Level 1,147,910
Customer Report 11,479,090
70% 69.6% New Order 9,955,189 1,494
Payment 9,955,191
Order Status 995,518
Delivery 995,520
Stock Level 995,519
Customer Report 9,955,188
60% 60.2% New Order 8,608,658 1,494
Payment 8,608,666
Order Status 860,866
Delivery 860,864
Stock Level 860,865
Customer Report 8,608,661
50% 49.7% New Order 7,099,079 1,494
Payment 7,099,075
Order Status 709,907
Delivery 709,908
Stock Level 709,907
Customer Report 7,099,077
40% 39.6% New Order 5,655,011 1,494
Payment 5,655,012
Order Status 565,501
Delivery 565,502
Stock Level 565,501
Customer Report 5,655,005
30% 29.8% New Order 4,264,929 1,494
Payment 4,264,927
Order Status 426,495
Delivery 426,492
Stock Level 426,494
Customer Report 4,264,929
20% 20.2% New Order 2,884,401 1,494
Payment 2,884,399
Order Status 288,441
Delivery 288,442
Stock Level 288,441
Customer Report 2,884,400
10% 10.0% New Order 1,436,096 1,494
Payment 1,436,093
Order Status 143,610
Delivery 143,610
Stock Level 143,608
Customer Report 1,436,092
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0