Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 188,230
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 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     191,586
Calibration 2     188,988
Calibration 3     188,376
ssj_ops@calibrated=188,682
100% 99.8% 188,682 188,230
90% 89.7% 169,814 169,250
80% 80.7% 150,945 152,261
70% 70.3% 132,077 132,647
60% 60.1% 113,209 113,404
50% 50.1% 94,341 94,597
40% 40.2% 75,473 75,775
30% 30.1% 56,605 56,705
20% 20.1% 37,736 37,908
10% 10.1% 18,868 19,078
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
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 13,935,916 1,494
Payment 13,935,918
Order Status 1,393,592
Delivery 1,393,593
Stock Level 1,393,592
Customer Report 13,935,917
Calibration 2 New Order 13,746,256 1,494
Payment 13,746,260
Order Status 1,374,626
Delivery 1,374,624
Stock Level 1,374,627
Customer Report 13,746,266
Calibration 3 New Order 13,700,380 1,494
Payment 13,700,380
Order Status 1,370,038
Delivery 1,370,038
Stock Level 1,370,038
Customer Report 13,700,379
100% 99.8% New Order 13,690,030 1,494
Payment 13,690,027
Order Status 1,369,003
Delivery 1,369,004
Stock Level 1,369,002
Customer Report 13,690,022
90% 89.7% New Order 12,310,112 1,494
Payment 12,310,108
Order Status 1,231,012
Delivery 1,231,011
Stock Level 1,231,011
Customer Report 12,310,112
80% 80.7% New Order 11,074,277 1,494
Payment 11,074,273
Order Status 1,107,428
Delivery 1,107,429
Stock Level 1,107,427
Customer Report 11,074,278
70% 70.3% New Order 9,647,555 1,494
Payment 9,647,558
Order Status 964,754
Delivery 964,756
Stock Level 964,756
Customer Report 9,647,557
60% 60.1% New Order 8,248,137 1,494
Payment 8,248,136
Order Status 824,814
Delivery 824,814
Stock Level 824,813
Customer Report 8,248,128
50% 50.1% New Order 6,880,465 1,494
Payment 6,880,460
Order Status 688,046
Delivery 688,046
Stock Level 688,045
Customer Report 6,880,456
40% 40.2% New Order 5,510,884 1,494
Payment 5,510,883
Order Status 551,089
Delivery 551,089
Stock Level 551,087
Customer Report 5,510,882
30% 30.1% New Order 4,124,099 1,494
Payment 4,124,094
Order Status 412,410
Delivery 412,410
Stock Level 412,408
Customer Report 4,124,096
20% 20.1% New Order 2,757,141 1,494
Payment 2,757,132
Order Status 275,714
Delivery 275,713
Stock Level 275,713
Customer Report 2,757,136
10% 10.1% New Order 1,387,519 1,494
Payment 1,387,522
Order Status 138,752
Delivery 138,752
Stock Level 138,752
Customer Report 1,387,523
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0