Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 197,636
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     206,787
Calibration 2     198,762
Calibration 3     197,790
ssj_ops@calibrated=198,276
100% 99.7% 198,276 197,636
90% 90.3% 178,449 179,042
80% 80.1% 158,621 158,882
70% 70.2% 138,793 139,159
60% 59.8% 118,966 118,654
50% 50.3% 99,138 99,714
40% 40.1% 79,310 79,607
30% 29.7% 59,483 58,797
20% 20.4% 39,655 40,545
10% 10.1% 19,828 20,069
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 15,042,757 1,494
Payment 15,042,757
Order Status 1,504,276
Delivery 1,504,276
Stock Level 1,504,276
Customer Report 15,042,763
Calibration 2 New Order 14,457,736 1,494
Payment 14,457,738
Order Status 1,445,775
Delivery 1,445,774
Stock Level 1,445,773
Customer Report 14,457,737
Calibration 3 New Order 14,385,872 1,494
Payment 14,385,870
Order Status 1,438,588
Delivery 1,438,587
Stock Level 1,438,587
Customer Report 14,385,874
100% 99.7% New Order 14,373,630 1,494
Payment 14,373,639
Order Status 1,437,364
Delivery 1,437,363
Stock Level 1,437,363
Customer Report 14,373,639
90% 90.3% New Order 13,021,578 1,494
Payment 13,021,579
Order Status 1,302,157
Delivery 1,302,158
Stock Level 1,302,158
Customer Report 13,021,578
80% 80.1% New Order 11,555,243 1,494
Payment 11,555,250
Order Status 1,155,527
Delivery 1,155,526
Stock Level 1,155,525
Customer Report 11,555,252
70% 70.2% New Order 10,120,828 1,494
Payment 10,120,832
Order Status 1,012,082
Delivery 1,012,082
Stock Level 1,012,083
Customer Report 10,120,828
60% 59.8% New Order 8,629,587 1,494
Payment 8,629,588
Order Status 862,958
Delivery 862,959
Stock Level 862,959
Customer Report 8,629,586
50% 50.3% New Order 7,252,004 1,494
Payment 7,252,002
Order Status 725,201
Delivery 725,201
Stock Level 725,201
Customer Report 7,252,004
40% 40.1% New Order 5,790,031 1,494
Payment 5,790,033
Order Status 579,004
Delivery 579,004
Stock Level 579,003
Customer Report 5,790,032
30% 29.7% New Order 4,276,130 1,494
Payment 4,276,131
Order Status 427,613
Delivery 427,613
Stock Level 427,613
Customer Report 4,276,131
20% 20.4% New Order 2,948,788 1,494
Payment 2,948,790
Order Status 294,880
Delivery 294,879
Stock Level 294,879
Customer Report 2,948,790
10% 10.1% New Order 1,459,544 1,494
Payment 1,459,539
Order Status 145,955
Delivery 145,955
Stock Level 145,955
Customer Report 1,459,544
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0