Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 195,606
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     198,214
Calibration 2     195,614
Calibration 3     195,806
ssj_ops@calibrated=195,710
100% 99.9% 195,710 195,606
90% 90.0% 176,139 176,161
80% 79.6% 156,568 155,722
70% 70.9% 136,997 138,742
60% 60.0% 117,426 117,490
50% 50.4% 97,855 98,585
40% 40.0% 78,284 78,190
30% 30.3% 58,713 59,249
20% 20.0% 39,142 39,219
10% 9.9% 19,571 19,341
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 14,417,924 1,494
Payment 14,417,929
Order Status 1,441,793
Delivery 1,441,792
Stock Level 1,441,791
Customer Report 14,417,921
Calibration 2 New Order 14,227,595 1,494
Payment 14,227,591
Order Status 1,422,760
Delivery 1,422,761
Stock Level 1,422,759
Customer Report 14,227,595
Calibration 3 New Order 14,241,010 1,494
Payment 14,241,011
Order Status 1,424,101
Delivery 1,424,101
Stock Level 1,424,102
Customer Report 14,241,009
100% 99.9% New Order 14,227,541 1,494
Payment 14,227,541
Order Status 1,422,753
Delivery 1,422,754
Stock Level 1,422,754
Customer Report 14,227,543
90% 90.0% New Order 12,812,399 1,494
Payment 12,812,394
Order Status 1,281,240
Delivery 1,281,240
Stock Level 1,281,240
Customer Report 12,812,399
80% 79.6% New Order 11,325,410 1,494
Payment 11,325,411
Order Status 1,132,542
Delivery 1,132,539
Stock Level 1,132,542
Customer Report 11,325,409
70% 70.9% New Order 10,090,883 1,494
Payment 10,090,882
Order Status 1,009,089
Delivery 1,009,090
Stock Level 1,009,088
Customer Report 10,090,883
60% 60.0% New Order 8,545,837 1,494
Payment 8,545,837
Order Status 854,582
Delivery 854,584
Stock Level 854,583
Customer Report 8,545,837
50% 50.4% New Order 7,170,241 1,494
Payment 7,170,243
Order Status 717,024
Delivery 717,024
Stock Level 717,026
Customer Report 7,170,245
40% 40.0% New Order 5,686,589 1,494
Payment 5,686,597
Order Status 568,660
Delivery 568,660
Stock Level 568,660
Customer Report 5,686,597
30% 30.3% New Order 4,309,216 1,494
Payment 4,309,211
Order Status 430,922
Delivery 430,921
Stock Level 430,922
Customer Report 4,309,213
20% 20.0% New Order 2,852,497 1,494
Payment 2,852,503
Order Status 285,250
Delivery 285,250
Stock Level 285,250
Customer Report 2,852,498
10% 9.9% New Order 1,406,690 1,494
Payment 1,406,686
Order Status 140,668
Delivery 140,669
Stock Level 140,669
Customer Report 1,406,684
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0