Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 211,130
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     212,450
Calibration 2     212,636
Calibration 3     211,740
ssj_ops@calibrated=212,188
100% 99.5% 212,188 211,130
90% 89.5% 190,969 189,890
80% 80.6% 169,751 171,031
70% 69.8% 148,532 148,188
60% 60.4% 127,313 128,073
50% 50.6% 106,094 107,462
40% 40.2% 84,875 85,309
30% 30.1% 63,656 63,931
20% 20.1% 42,438 42,611
10% 9.9% 21,219 21,020
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 15,455,114 1,494
Payment 15,455,111
Order Status 1,545,511
Delivery 1,545,510
Stock Level 1,545,510
Customer Report 15,455,109
Calibration 2 New Order 15,467,483 1,494
Payment 15,467,485
Order Status 1,546,747
Delivery 1,546,749
Stock Level 1,546,749
Customer Report 15,467,480
Calibration 3 New Order 15,401,376 1,494
Payment 15,401,372
Order Status 1,540,137
Delivery 1,540,139
Stock Level 1,540,137
Customer Report 15,401,378
100% 99.5% New Order 15,356,903 1,494
Payment 15,356,902
Order Status 1,535,690
Delivery 1,535,691
Stock Level 1,535,691
Customer Report 15,356,903
90% 89.5% New Order 13,810,263 1,494
Payment 13,810,261
Order Status 1,381,026
Delivery 1,381,025
Stock Level 1,381,026
Customer Report 13,810,262
80% 80.6% New Order 12,438,952 1,494
Payment 12,438,952
Order Status 1,243,895
Delivery 1,243,896
Stock Level 1,243,895
Customer Report 12,438,948
70% 69.8% New Order 10,777,611 1,494
Payment 10,777,614
Order Status 1,077,762
Delivery 1,077,761
Stock Level 1,077,761
Customer Report 10,777,603
60% 60.4% New Order 9,314,547 1,494
Payment 9,314,538
Order Status 931,454
Delivery 931,454
Stock Level 931,455
Customer Report 9,314,540
50% 50.6% New Order 7,815,446 1,494
Payment 7,815,446
Order Status 781,545
Delivery 781,546
Stock Level 781,543
Customer Report 7,815,442
40% 40.2% New Order 6,204,539 1,494
Payment 6,204,536
Order Status 620,455
Delivery 620,454
Stock Level 620,455
Customer Report 6,204,539
30% 30.1% New Order 4,649,685 1,494
Payment 4,649,683
Order Status 464,968
Delivery 464,969
Stock Level 464,969
Customer Report 4,649,684
20% 20.1% New Order 3,099,091 1,494
Payment 3,099,095
Order Status 309,909
Delivery 309,911
Stock Level 309,909
Customer Report 3,099,087
10% 9.9% New Order 1,528,790 1,494
Payment 1,528,787
Order Status 152,878
Delivery 152,879
Stock Level 152,878
Customer Report 1,528,788
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0