Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 186,896
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     197,370
Calibration 2     188,481
Calibration 3     187,353
ssj_ops@calibrated=187,917
100% 99.5% 187,917 186,896
90% 90.0% 169,125 169,191
80% 80.4% 150,334 151,019
70% 69.9% 131,542 131,407
60% 59.7% 112,750 112,111
50% 50.7% 93,958 95,358
40% 40.6% 75,167 76,345
30% 30.2% 56,375 56,717
20% 20.0% 37,583 37,657
10% 10.0% 18,792 18,876
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 14,357,186 1,494
Payment 14,357,194
Order Status 1,435,720
Delivery 1,435,720
Stock Level 1,435,719
Customer Report 14,357,195
Calibration 2 New Order 13,707,874 1,494
Payment 13,707,873
Order Status 1,370,788
Delivery 1,370,787
Stock Level 1,370,788
Customer Report 13,707,874
Calibration 3 New Order 13,627,535 1,494
Payment 13,627,539
Order Status 1,362,754
Delivery 1,362,755
Stock Level 1,362,754
Customer Report 13,627,536
100% 99.5% New Order 13,593,778 1,494
Payment 13,593,787
Order Status 1,359,378
Delivery 1,359,379
Stock Level 1,359,378
Customer Report 13,593,778
90% 90.0% New Order 12,304,979 1,494
Payment 12,304,977
Order Status 1,230,498
Delivery 1,230,498
Stock Level 1,230,498
Customer Report 12,304,980
80% 80.4% New Order 10,983,197 1,494
Payment 10,983,197
Order Status 1,098,319
Delivery 1,098,320
Stock Level 1,098,320
Customer Report 10,983,194
70% 69.9% New Order 9,557,337 1,494
Payment 9,557,340
Order Status 955,733
Delivery 955,735
Stock Level 955,735
Customer Report 9,557,338
60% 59.7% New Order 8,153,948 1,494
Payment 8,153,950
Order Status 815,395
Delivery 815,396
Stock Level 815,395
Customer Report 8,153,945
50% 50.7% New Order 6,935,240 1,494
Payment 6,935,239
Order Status 693,523
Delivery 693,525
Stock Level 693,524
Customer Report 6,935,237
40% 40.6% New Order 5,552,608 1,494
Payment 5,552,614
Order Status 555,259
Delivery 555,261
Stock Level 555,260
Customer Report 5,552,604
30% 30.2% New Order 4,124,952 1,494
Payment 4,124,952
Order Status 412,494
Delivery 412,494
Stock Level 412,496
Customer Report 4,124,954
20% 20.0% New Order 2,738,821 1,494
Payment 2,738,815
Order Status 273,882
Delivery 273,883
Stock Level 273,882
Customer Report 2,738,818
10% 10.0% New Order 1,372,870 1,494
Payment 1,372,872
Order Status 137,287
Delivery 137,287
Stock Level 137,286
Customer Report 1,372,868
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0