Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 195,628
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     205,243
Calibration 2     197,280
Calibration 3     196,699
ssj_ops@calibrated=196,990
100% 99.3% 196,990 195,628
90% 90.5% 177,291 178,278
80% 79.8% 157,592 157,226
70% 70.3% 137,893 138,386
60% 60.8% 118,194 119,672
50% 49.9% 98,495 98,220
40% 40.2% 78,796 79,146
30% 30.0% 59,097 59,086
20% 19.9% 39,398 39,199
10% 9.8% 19,699 19,328
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 14,930,574 1,494
Payment 14,930,578
Order Status 1,493,057
Delivery 1,493,057
Stock Level 1,493,059
Customer Report 14,930,576
Calibration 2 New Order 14,349,343 1,494
Payment 14,349,344
Order Status 1,434,933
Delivery 1,434,934
Stock Level 1,434,935
Customer Report 14,349,344
Calibration 3 New Order 14,305,534 1,494
Payment 14,305,534
Order Status 1,430,553
Delivery 1,430,552
Stock Level 1,430,552
Customer Report 14,305,535
100% 99.3% New Order 14,228,705 1,494
Payment 14,228,704
Order Status 1,422,870
Delivery 1,422,871
Stock Level 1,422,871
Customer Report 14,228,706
90% 90.5% New Order 12,965,801 1,494
Payment 12,965,805
Order Status 1,296,581
Delivery 1,296,581
Stock Level 1,296,579
Customer Report 12,965,802
80% 79.8% New Order 11,434,963 1,494
Payment 11,434,958
Order Status 1,143,496
Delivery 1,143,494
Stock Level 1,143,495
Customer Report 11,434,955
70% 70.3% New Order 10,064,475 1,494
Payment 10,064,475
Order Status 1,006,448
Delivery 1,006,446
Stock Level 1,006,446
Customer Report 10,064,478
60% 60.8% New Order 8,703,927 1,494
Payment 8,703,929
Order Status 870,393
Delivery 870,390
Stock Level 870,392
Customer Report 8,703,929
50% 49.9% New Order 7,143,552 1,494
Payment 7,143,558
Order Status 714,355
Delivery 714,356
Stock Level 714,356
Customer Report 7,143,554
40% 40.2% New Order 5,756,234 1,494
Payment 5,756,232
Order Status 575,624
Delivery 575,625
Stock Level 575,623
Customer Report 5,756,229
30% 30.0% New Order 4,297,380 1,494
Payment 4,297,376
Order Status 429,739
Delivery 429,737
Stock Level 429,737
Customer Report 4,297,381
20% 19.9% New Order 2,851,017 1,494
Payment 2,851,018
Order Status 285,102
Delivery 285,102
Stock Level 285,101
Customer Report 2,851,014
10% 9.8% New Order 1,405,828 1,494
Payment 1,405,821
Order Status 140,582
Delivery 140,583
Stock Level 140,583
Customer Report 1,405,818
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0