Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 201,141
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     208,388
Calibration 2     201,525
Calibration 3     201,131
ssj_ops@calibrated=201,328
100% 99.9% 201,328 201,141
90% 89.7% 181,195 180,580
80% 80.4% 161,062 161,957
70% 70.0% 140,930 140,958
60% 60.3% 120,797 121,468
50% 49.7% 100,664 100,079
40% 39.8% 80,531 80,200
30% 30.3% 60,398 61,024
20% 20.1% 40,266 40,408
10% 10.2% 20,133 20,450
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 15,157,968 1,494
Payment 15,157,967
Order Status 1,515,798
Delivery 1,515,798
Stock Level 1,515,797
Customer Report 15,157,968
Calibration 2 New Order 14,656,921 1,494
Payment 14,656,922
Order Status 1,465,693
Delivery 1,465,693
Stock Level 1,465,692
Customer Report 14,656,920
Calibration 3 New Order 14,629,944 1,494
Payment 14,629,945
Order Status 1,462,994
Delivery 1,462,996
Stock Level 1,462,995
Customer Report 14,629,946
100% 99.9% New Order 14,630,379 1,494
Payment 14,630,382
Order Status 1,463,038
Delivery 1,463,039
Stock Level 1,463,037
Customer Report 14,630,378
90% 89.7% New Order 13,134,674 1,494
Payment 13,134,665
Order Status 1,313,466
Delivery 1,313,465
Stock Level 1,313,466
Customer Report 13,134,672
80% 80.4% New Order 11,778,958 1,494
Payment 11,778,961
Order Status 1,177,896
Delivery 1,177,896
Stock Level 1,177,896
Customer Report 11,778,964
70% 70.0% New Order 10,252,604 1,494
Payment 10,252,607
Order Status 1,025,261
Delivery 1,025,260
Stock Level 1,025,259
Customer Report 10,252,601
60% 60.3% New Order 8,834,099 1,494
Payment 8,834,098
Order Status 883,409
Delivery 883,410
Stock Level 883,410
Customer Report 8,834,099
50% 49.7% New Order 7,278,528 1,494
Payment 7,278,531
Order Status 727,852
Delivery 727,853
Stock Level 727,853
Customer Report 7,278,528
40% 39.8% New Order 5,832,802 1,494
Payment 5,832,798
Order Status 583,280
Delivery 583,279
Stock Level 583,281
Customer Report 5,832,800
30% 30.3% New Order 4,438,363 1,494
Payment 4,438,360
Order Status 443,837
Delivery 443,836
Stock Level 443,836
Customer Report 4,438,366
20% 20.1% New Order 2,938,787 1,494
Payment 2,938,787
Order Status 293,879
Delivery 293,878
Stock Level 293,879
Customer Report 2,938,790
10% 10.2% New Order 1,487,290 1,494
Payment 1,487,295
Order Status 148,728
Delivery 148,731
Stock Level 148,728
Customer Report 1,487,288
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0