Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 198,822
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     205,679
Calibration 2     199,995
Calibration 3     198,298
ssj_ops@calibrated=199,147
100% 99.8% 199,147 198,822
90% 89.7% 179,232 178,558
80% 80.4% 159,317 160,206
70% 69.8% 139,403 138,946
60% 59.8% 119,488 119,033
50% 50.3% 99,573 100,166
40% 40.1% 79,659 79,761
30% 29.9% 59,744 59,597
20% 19.9% 39,829 39,532
10% 10.2% 19,915 20,347
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 14,961,867 1,494
Payment 14,961,873
Order Status 1,496,186
Delivery 1,496,188
Stock Level 1,496,186
Customer Report 14,961,869
Calibration 2 New Order 14,545,602 1,494
Payment 14,545,600
Order Status 1,454,562
Delivery 1,454,558
Stock Level 1,454,560
Customer Report 14,545,601
Calibration 3 New Order 14,423,301 1,494
Payment 14,423,294
Order Status 1,442,330
Delivery 1,442,330
Stock Level 1,442,329
Customer Report 14,423,301
100% 99.8% New Order 14,461,750 1,494
Payment 14,461,747
Order Status 1,446,176
Delivery 1,446,176
Stock Level 1,446,176
Customer Report 14,461,751
90% 89.7% New Order 12,987,215 1,494
Payment 12,987,221
Order Status 1,298,721
Delivery 1,298,721
Stock Level 1,298,722
Customer Report 12,987,218
80% 80.4% New Order 11,651,590 1,494
Payment 11,651,590
Order Status 1,165,160
Delivery 1,165,160
Stock Level 1,165,158
Customer Report 11,651,595
70% 69.8% New Order 10,106,472 1,494
Payment 10,106,472
Order Status 1,010,647
Delivery 1,010,648
Stock Level 1,010,648
Customer Report 10,106,470
60% 59.8% New Order 8,657,931 1,494
Payment 8,657,931
Order Status 865,793
Delivery 865,792
Stock Level 865,792
Customer Report 8,657,936
50% 50.3% New Order 7,285,188 1,494
Payment 7,285,190
Order Status 728,518
Delivery 728,519
Stock Level 728,520
Customer Report 7,285,193
40% 40.1% New Order 5,800,876 1,494
Payment 5,800,872
Order Status 580,087
Delivery 580,087
Stock Level 580,087
Customer Report 5,800,870
30% 29.9% New Order 4,334,369 1,494
Payment 4,334,365
Order Status 433,439
Delivery 433,437
Stock Level 433,436
Customer Report 4,334,365
20% 19.9% New Order 2,875,149 1,494
Payment 2,875,153
Order Status 287,515
Delivery 287,515
Stock Level 287,515
Customer Report 2,875,150
10% 10.2% New Order 1,479,870 1,494
Payment 1,479,870
Order Status 147,986
Delivery 147,987
Stock Level 147,986
Customer Report 1,479,863
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0